Steaming from the north flank fumarole at Chiginagak Volcano on November 24, 2008. The image was taken by Robert Dreeszen from his cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south. /admin/imagedb/image_view.php?imageid=16105 Location of Chiginagak volcano and nearby volcanoes on the Alaska Peninsula. /admin/imagedb/image_view.php?imageid=15656 Chiginagak volcano's crater lake as viewed from the east. Mother Goose Lake can be seen to the northwest or top right of the photo. /admin/imagedb/image_view.php?imageid=15654 Telephoto view of Chiginagak from 25,000 ft asl from the east-northeast /admin/imagedb/image_view.php?imageid=14734 Chiginagak volcano viewed from 25,000 ft asl from the north. /admin/imagedb/image_view.php?imageid=14732 Telephoto view of Chiginagak from the east-northeast from 26,000 feet. /admin/imagedb/image_view.php?imageid=14738 Telephoto view of Chiginagak volcano from 25,000 ft asl from the northeast. /admin/imagedb/image_view.php?imageid=14733 Steaming from the north flank fumarole at Chiginagak Volcano on November 22, 2006. The image was taken by Bob and Carol Dreeszen from their cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south. /admin/imagedb/image_view.php?imageid=12437 Chiginagak puffing steam from the summit crater as seen from Pilot Point on the evening of October 20, 2006. Pilot Point is 36 miles (58 kilometers) northwest of Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=12181 Gas plume rises from the summit crater at Chiginagak Volcano as seen from Lower Ugashik Lake outlet. /admin/imagedb/image_view.php?imageid=12180 Painter Creek Lodge owner, Jon Kent, and USGS geologist, Kristi Wallace, conduct a bathymetric survey of Mother Goose Lake. The lower flanks of Chiginagak volcano can be seen in the background towards the southeast. /admin/imagedb/image_view.php?imageid=11007 ADGGS/AVO geologist, Janet Schaefer, measures lake water pH, temperature, conductivity, and oxygen levels using a multiparameter water quality monitor. Mother Goose Lake was severely impacted by an acid crater-lake flood from Chiginagak Volcano in 2005. /admin/imagedb/image_view.php?imageid=11008 USGS/AVO geologist Kristi Wallace pulls up a bottom sediment core from Mother Goose Lake. Mother Goose Lake was impacted by an acid crater-lake flood from Chiginagak Volcano in 2005. /admin/imagedb/image_view.php?imageid=11009 A 1-meter core of lake sediment from Mother Goose Lake was retrieved in August 2006 as part of a recurrence interval study of acid crater-lake drainage from Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=11011 This core of lake sediment from Mother Goose Lake was retrieved in August 2006 as part of a recurrence interval study of acid crater-lake drainage from Chiginagak Volcano. The bright orange sediment in the top few centimeters is a result of the oxidation of iron in the metal-laden, acidic, crater lake outflow waters. /admin/imagedb/image_view.php?imageid=11004 This core of lake sediment from Mother Goose Lake was retrieved in August 2006 as part of a recurrence interval study of acid crater-lake drainage from Chiginagak Volcano. The bright orange sediment in the top few centimeters is a result of the oxidation of iron in the metal-laden, acidic, crater lake outflow waters. /admin/imagedb/image_view.php?imageid=11012 Chiginagak Volcano field crew 2006. Left to Right: Janet Schaefer, geologist, AVO/ADGGS; Janet Jorgenson, botanist, USFWS/ANWR; Game McGimsey, geologist, AVO/USGS. /admin/imagedb/image_view.php?imageid=10999 Grey, cliff-forming, old Chiginagak lavas lie on top of a dark bed of Naknek Formation sedimentary rocks which in turn overlie light-colored intrusive rocks. /admin/imagedb/image_view.php?imageid=10997 Helicopter pilot Sam Egli of Egli Air Haul departs Mother Goose Lake with Chiginagak Volcano in the background. /admin/imagedb/image_view.php?imageid=10984 Chiginagak Volcano crater lake in the foreground and the highest ridge of Kialagvik Volcano in the background, just above the cloud level. /admin/imagedb/image_view.php?imageid=11620 During fieldwork on the flanks of Chiginagak volcano, Sam Egli proudly displays his Jet Ranger helicopter as reflected in AVO/DGGS geologist Janet Schaefer's sunglasses. /admin/imagedb/image_view.php?imageid=13934 Geologist Janet Schaefer collects a lava flow sample at the 4000-foot-level on Chiginagak. /admin/imagedb/image_view.php?imageid=10978 USFWS botanist Janet Jorgenson surveys vegetation damaged along middle Indecision Creek during the 2005 flood of acidic water from the summit crater of Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=10983 At 4000' on the south ridge adjacent to glacier that drains the crater of Chiginagak. /admin/imagedb/image_view.php?imageid=10982 North ridge along glacier that drains the crater of Chiginagak. /admin/imagedb/image_view.php?imageid=10981 Summit crater lake at Chiginagak, which formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. /admin/imagedb/image_view.php?imageid=10977 Close-up of the outlet cave for the summit crater lake at Chiginagak, which formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. /admin/imagedb/image_view.php?imageid=10976 Outlet cave for the summit crater lake at Chiginagak, which formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. /admin/imagedb/image_view.php?imageid=10975 Summit crater lake at Chiginagak, formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. Note outlet cave on far side of lake. /admin/imagedb/image_view.php?imageid=10974 Summit crater lake at Chiginagak, formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. /admin/imagedb/image_view.php?imageid=10973 USGS/AVO geologist Game McGimsey takes a water temperature reading where Mother Goose Hotsprings water flows into Volcano Creek on the north flank of Chiginagak Volcano. The temperature of the hot springs water at this location was 44.3 deg Celsius (111.7 deg F). /admin/imagedb/image_view.php?imageid=11018 An orange-colored terrace of an old debris flow deposit is preserved alongside the current drainage of Upper Indecision Creek, below the south glacier at Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=11019 AVO/DGGS geologist Janet Schaefer recording water sample data as part of the Chiginagak volcano acid flood monitoring project. /admin/imagedb/image_view.php?imageid=13932 Summit crater lake at Chiginagak, formed in 2005 and catastrophically drained and flooded Indecision and Volcano creeks with acidic water. /admin/imagedb/image_view.php?imageid=10970 Thermal area located at the foot of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=10967 Thermal area located at the foot of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=10968 Chiginigak viewed from the west. /admin/imagedb/image_view.php?imageid=10969 USFWS botanist Janet Jorgenson surveys vegetation along middle Indecision Creek that was damaged during the acidic flood from the summit crater of Chiginagak in the summer of 2005. /admin/imagedb/image_view.php?imageid=10965 Confluence of the forks of Upper Indecision Creek. The turbid fork drains the acidic crater lake of Chiginagak. /admin/imagedb/image_view.php?imageid=10964 Confluence of the forks of Upper Indecision Creek. The turbid fork drains the acidic crater lake of Chiginagak. /admin/imagedb/image_view.php?imageid=10963 Chiginagak summit viewed from above. /admin/imagedb/image_view.php?imageid=10584 Indecision creek coming from the right side of the view has a pH of 1.2. In early summer 2005, the crater lake at Chiginagak Volcano flooded down this drainage. An accompanying release of acidic aerosols flowed down the valley and caused the vegetation damage seen here in the valley bottom. /admin/imagedb/image_view.php?imageid=10589 Falls on Indecision creek which drains the lake at the summit of Chiginagak. The pH of this creek is 1.2. /admin/imagedb/image_view.php?imageid=10588 Chiginagak viewed from the west. /admin/imagedb/image_view.php?imageid=10582 Fumarole on the north side of Chiginagak. /admin/imagedb/image_view.php?imageid=10587 Fumarole on the north side of Chiginagak. /admin/imagedb/image_view.php?imageid=10586 Chiginagak summit viewed from the south. /admin/imagedb/image_view.php?imageid=10583 Chiginagak summit viewed from above. /admin/imagedb/image_view.php?imageid=10585 Chiginagak Summit acid lake. /admin/imagedb/image_view.php?imageid=10601 Janet Schaefer testing the highly acidic (pH 1.2) waters of upper Indecision creek. /admin/imagedb/image_view.php?imageid=10595 Vigorous steaming from the summit crater lake at Chiginagak Volcano on November 4, 2005. The image was taken by Bob and Carol Dreeszen from their cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south. /admin/imagedb/image_view.php?imageid=4506 Steaming from the summit crater lake and north flank fumarole on Chiginagak Volcano, October 25, 2005. Photo courtesy of Jeffry Anderson, U.S. Fish and Wildlife Service. /admin/imagedb/image_view.php?imageid=4507 Steaming at the summit crater lake of Chiginagak Volcano on October 25, 2005. Photo courtesy of Jeffry Anderson, U.S. Fish and Wildlife Service. /admin/imagedb/image_view.php?imageid=4508 Steam and gas emanating from the summit crater lake of Chiginagak Volcano, September 25, 2005. /admin/imagedb/image_view.php?imageid=4191 Steam and gas emanating from the crater lake at Chiginagak Volcano on September 25, 2005. /admin/imagedb/image_view.php?imageid=4193 Large ice blocks are perched on the crater rim as gas and steam rise from the crater lake at Chiginagak Volcano on September 25, 2005. /admin/imagedb/image_view.php?imageid=4194 Steam and gas emanating from the crater lake at Chiginagak Volcano on September 25, 2005. /admin/imagedb/image_view.php?imageid=4195 Summit of Chiginagak volcano showing steam rising up and out of summit crater. /admin/imagedb/image_view.php?imageid=4205 View over south rim to southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4208 View over south rim to southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4209 View over south rim to southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4210 View over south rim to southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4211 View over south rim to southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4213 View of the northeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4215 View of the north crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4217 View of the southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4218 Temporary seismic station on Chiginagak Volcano prior to removal. Station operated for 1 month. /admin/imagedb/image_view.php?imageid=4257 View of north wall and lake of Chiginagak crater; note that wall is ice/snow-free, and compare with image DSC02782, which shows that hoar frost covers most rock outcrops at the summit. /admin/imagedb/image_view.php?imageid=4203 View of the northeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4216 View directly down onto the crater lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4214 Southeast crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4207 East crater wall and lake of Chiginagak volcano. /admin/imagedb/image_view.php?imageid=4206 View of northeast wall and lake of Chiginagak summit crater; note that wall is ice/snow-free, and compare with image DSC02782, which shows that hoar frost covers most rock outcrops at the summit. /admin/imagedb/image_view.php?imageid=4204 Upper south flank of Chiginagak showing beheaded glacier that stands above crater lake (not visible). Note the extensive rime ice covering the rocks and compare with north wall of crater lake in subsequent photos. /admin/imagedb/image_view.php?imageid=4198 FLIR thermal image of the southeast crater wall and crater lake at Chiginagak Volcano on September 25, 2005. The crater lake temperature is approximately 40 degrees Celsius (104 degrees F). /admin/imagedb/image_view.php?imageid=4268 FLIR thermal image of the north flank fumarole of Chiginagak Volcano on September 25, 2005. /admin/imagedb/image_view.php?imageid=4271 Willie Scott, USGS, and Janet Jorgenson, USFWS, survey vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3381 New growth on this willow indicates a positive recovery for the vegetation that was damaged along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3382 Vegetation damage along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3383 Video spliced together of the Western Aleutian Campaign, 2005. Cyrus and I sailed with the Maritime Maid to Adak, where we met up with the rest of the Crew. Then we went to Amchitka to set up the Earth Station, and to Little Sitkin and Semisopochnoi to install Seismic Stations. In total we were at sea around 6 weeks. Also provided here are shots of Isnotski, Okmok, Davidof, Chiginagak, Shishaldin, Segula, and Iliamna. /admin/imagedb/image_view.php?imageid=4835 Temporary seismic station installed at Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=4256 Janet Schaefer and Willie Scott checking the installation of temporary seismic station at Chiginagak Volcano before final burial. Station will run for 1 month. /admin/imagedb/image_view.php?imageid=4255 Summit crater lake at Chiginagak Volcano, August 25, 2005. /admin/imagedb/image_view.php?imageid=3309 Summit crater lake at Chiginagak Volcano, August 25, 2005. /admin/imagedb/image_view.php?imageid=3305 Crater lake at summit of Chiginagak Volcano, August 20, 2005. /admin/imagedb/image_view.php?imageid=3289 Crater lake at summit of Chiginagak Volcano, August 20, 2005. /admin/imagedb/image_view.php?imageid=3297 Crater lake at summit of Chiginagak Volcano, August 20, 2005. /admin/imagedb/image_view.php?imageid=3299 Crater lake at summit of Chiginagak Volcano, August 20, 2005. /admin/imagedb/image_view.php?imageid=3302 Crater lake at summit of Chiginagak Volcano, August 20, 2005. Lake outflow occurs through the tunnel at the base of the south glacier headwall. /admin/imagedb/image_view.php?imageid=3296 Crater lake at summit of Chiginagak Volcano, August 20, 2005. A small stream of water can be seen exiting the crater lake through the tunnel at the base of the south glacier headwall. /admin/imagedb/image_view.php?imageid=3286 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3327 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3329 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. The gray deposits end here at the toe of the glacier. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3344 Toe of south glacier at Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=3348 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. Here near the base of the glacier, the gray deposits stand in stark contrast to the orange-brown older surface of the glacier. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3356 Willie Scott, USGS, measures the thickness of a flow lobes of a dark gray, clay-rich lahar that resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3358 Crater lake at summit of Chiginagak Volcano, August 20, 2005. A lighter gray spot of discoloration in the lake (in shadow, slightly off-center of lake) is an area of upwelling, presumably from a fumarole at the base of the crater. /admin/imagedb/image_view.php?imageid=3284 Crater lake at summit of Chiginagak Volcano, August 20, 2005. The area of upwelling, presumably from a fumarole at the base of the crater, can be seen as a slightly lighter color gray spot near the center of the lake. /admin/imagedb/image_view.php?imageid=3288 Crater lake at summit of Chiginagak Volcano, August 20, 2005, showing area of outflow at the base of the south glacier. /admin/imagedb/image_view.php?imageid=3301 Vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3361 Vegetation damage along an unnamed tributary to Chiginagak Bay, following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3362 Vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3365 Vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3368 Vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3370 Vegetation damage along upper Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3386 Damaged, upturned willow leaves appear light gray high up the slopes along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3389 Vegetation damage along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3390 A grove of poplars show signs of damage along Volcano Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3393 The top brown layer of mud along Indecision Creek was deposited as flood waters receded following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3396 Vegetation damage along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3415 Vegetation damage along Indecision Creek following the acidic crater lake flood, summer 2005. /admin/imagedb/image_view.php?imageid=3420 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3323 Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. They appear dark on the white snow and ice near the summit, and gray in the foreground where they cover the orange-brown lower portion of the glacier. The lahar deposits resulted from the draining of the summit caldera lake sometime in early summer 2005. /admin/imagedb/image_view.php?imageid=3339 Crater lake at summit of Chiginagak Volcano, August 20, 2005. /admin/imagedb/image_view.php?imageid=3300 Game McGimsey, USGS/AVO, gets ready to sample water for pH at the toe of a flow lobe of a dark gray, clay-rich lahar that resulted from the draining of the summit caldera lake sometime in early summer 2005. The pH of the water here was 3. /admin/imagedb/image_view.php?imageid=3355 The south glacier at Chiginagak Volcano is covered in orange, hydrothermally altered volcanic rock debris. Flow lobes of a dark gray, clay-rich lahar can be seen down the length of the south glacier at Chiginagak Volcano. The lahar deposits resulted from the draining of the summit crater lake sometime in early summer 2005. This photo was taken looking to the east, above the falls. /admin/imagedb/image_view.php?imageid=3346 Iron oxides along the shore of Mother Goose Lake in August 2005. /admin/imagedb/image_view.php?imageid=4258 Orange colloidal iron-oxides along the shore of Mother Goose Lake, August 2005. /admin/imagedb/image_view.php?imageid=4262 Volcano Creek inlet to Mother Goose Lake, August 2005. /admin/imagedb/image_view.php?imageid=4263 Topographic shaded relief map of Chiginagak Volcano, Alaska. /admin/imagedb/image_view.php?imageid=2916 Chiginagak Volcano as viewed from a tent camp on Nakalilok Bay, 12 miles to the south, late-September 2004. /admin/imagedb/image_view.php?imageid=4614 Snout of south glacier at head of tributary to Indecision Creek. Snout is thickly covered with hydrothermally altered debris erooded from core of volcano. /admin/imagedb/image_view.php?imageid=1313 View towards the summit of Chiginagak Volcano from sample sites 04JSCH016 - 020. Janet Schaefer in photo. /admin/imagedb/image_view.php?imageid=1095 August 24, 2004 fumarolic activity on the north flank of Chiginagak Volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1092 August 24, 2004 fumarolic activity on the north flank of Chiginagak volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1091 August 24, 2004 fumarolic activity on the north flank of Chiginagak volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1084 August 24, 2004 fumarolic activity on the north flank of Chiginagak volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1081 August 24, 2004 fumarolic activity on the north flank of Chiginagak volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1082 August 24, 2004 fumarolic activity on the north flank of Chiginagak volcano at an elevation of approximately 6,000 feet. /admin/imagedb/image_view.php?imageid=1083 Banded rock at site 04JSCH016, an eroded dome? on the north flank of Chiginagak volcano at an elevation of approximately 4600 feet. /admin/imagedb/image_view.php?imageid=1093 Toe of a young lava flow (sample 04JSCH025) at the head of Wandering Creek; view towards the northeast. /admin/imagedb/image_view.php?imageid=1097 Summit region of Chiginagak Volcano; view towards the north. /admin/imagedb/image_view.php?imageid=1076 Chiginagak volcano; view towards the southeast. /admin/imagedb/image_view.php?imageid=1070 Summit of Chiginagak Volcano with Mother Goose Lake to the west. /admin/imagedb/image_view.php?imageid=1078 Willie Scott on the shore of Mother Goose Lake looking east towards Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=1068 Ice-free knob on the southeast flank of Chiginagak Volcano at an elevation of approximately 5600 feet. Sample site 04JSCH012. /admin/imagedb/image_view.php?imageid=1085 Willie Scott sampling lava at site 04JSCH012, southeast side of Chiginagak Volcano, at an elevation of approximately 5600 feet; view to the southeast. /admin/imagedb/image_view.php?imageid=1087 Fumarole on upper northeast flank. /admin/imagedb/image_view.php?imageid=1318 Fumarole on upper northeast flank. /admin/imagedb/image_view.php?imageid=1322 Northwest wall of cirque of glacier on south flank of Chiginagak exposes fresh Holocene lava flows on the hydrothermally altered core of volcano. /admin/imagedb/image_view.php?imageid=883 North side of Upper Indecision Creek tributary. Lava flow over older pyroclastic flow and surge deposits. /admin/imagedb/image_view.php?imageid=1058 Janet Schaefer describing section of pumice-fall and pyroclastic-flow deposits deep in dissected fan on north flank. Site of samples 04JSCH010 and 04JSCH011. /admin/imagedb/image_view.php?imageid=977 Janet Schaefer collecting sample 04JSCH001 from lava flow on lower east flank of Chiginagak volcano /admin/imagedb/image_view.php?imageid=904 View to west along contact of Holocene lava flow (left) and Mesozoic sedimentary rocks (right) low on east flank of Chiginagak volcano. Contact is mostly buried by outwash gravel. /admin/imagedb/image_view.php?imageid=911 Janet Schaefer excavating section in Holocene block-and-ash-flow deposits on north side of "Bear" valley, southeast flank of Chiginagak. Deposits form terraced fill. Site for samples 04JSCH002 to 004. /admin/imagedb/image_view.php?imageid=917 Janet Schaefer collecting sample 04JSCH005 from prismatically jointed block on surface of pyroclastic flow near head of "Bear" valley on southeast flank of Chiginagak Volcano. /admin/imagedb/image_view.php?imageid=920 View up Bear Valley towards Chiginagak Volcano showing valley-filling block and ash flow. /admin/imagedb/image_view.php?imageid=1046 August 21, 2004. Sample site 04JSCH005; view to the East. Willie Scott sampling radially jointed block in upper Bear Valley. /admin/imagedb/image_view.php?imageid=1039 View to ESE from Mother Goose Lake /admin/imagedb/image_view.php?imageid=895 Chiginagak Volcano from the shore of Mother Goose Lake near the U.S. Fish and Wildlife cabin. /admin/imagedb/image_view.php?imageid=1029 Chiginagak Volcano from the shore of Mother Goose Lake near the U.S. Fish and Wildlife cabin. /admin/imagedb/image_view.php?imageid=1030 Chiginagak viewed to ESE from Mother Goose Lake /admin/imagedb/image_view.php?imageid=896 Chiginagak Volcano, looking east-southeast from Mother Goose Lake. /admin/imagedb/image_view.php?imageid=898 Aerial view of a vigorous fumarole at about 1,600 m (5,249 ft) elevation on the north flank of 2,067-m (6,781 ft)-high Chiginagak volcano. Steam emitted from this fumarole commonly produces a small plume and may be the source of the few questionable reports of historical eruptions from this volcano. Photograph by C. Nye, Alaska Division of Geological and Geophysical Surveys, May 9, 1994. /admin/imagedb/image_view.php?imageid=439 View, looking southeast, of 2,067-m (6,781 ft)-high Chiginagak volcano on the Alaska Peninsula. U.S. Geological Survey photograph, date unknown. /admin/imagedb/image_view.php?imageid=438 Topographic map of Chiginagak and Kialagvik. /admin/imagedb/image_view.php?imageid=653