Ugashik-Peulik description and statistics

Type:	Stratovolcano with summit and flank domes, overlapping Ugashik caldera
Most Recent Activity:	1852
Seismically Monitored:	Yes
Current Color Code:	GREEN
Distance:	324 mi (522 km) from Anchorage
Elevation:	4836 ft (1474 m)
Latitude:	57.7503° N
Longitude:	156.37° W
Quadrangle:	Ugashik
CAVW Number:	1102-13-
Sample Image:	More Ugashik-Peulik images ...
Location Map:
Pronunciation:	Sound file
Synonyms:	Bocharova
Associated Features:	Ugashik caldera Peulik Mafic Knob 500

From Miller and others (1998): "Mount Peulik volcano, a small truncated stratovolcano with a basal diameter of about 10 km, is located just north of the main axis of the Aleutian Range near Becharof Lake on the Alaska Peninsula. The volcano lies west of the axis of a northeast-striking syncline (Detterman and others, 1987) and is built upon Jurassic sedimentary rocks. The volcano partially overlaps the north flank of Ugashik caldera, a small circular structure about 5 km in diameter and of probable late Pleistocene age. A summit crater, about 1.5 km in diameter, has been breached on the west side and is occupied by a dome about 0.5 km in diameter. This dome, and possibly earlier predecessors, were the source the a thick deposit of block-and-ash flows that underlie about 40 square km of the western flank of the volcano. A smaller dome occurs on the east flank at an elevation of 1200 m and was the source of a small block-and-ash flow. Avalanche deposits representing an earlier sector collapse (Miller, unpublished data) underlie an area of 75 square km northwest of the volcano. Flows from flank eruptions of Peulik cover about 8 square km north of the volcano extending as far as Becharof Lake."