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M 4.6 earthquake — 73 km SSE of Ugashik, Alaska
June 20, 1978 · USGS event usp0000v5e
Magnitude
4.6 (mb)
Depth
99 km
Location
73 km SSE of Ugashik, Alaska
Coordinates
56.873, -157.088
Other earthquakes in Alaska around this time
Source: U.S. Geological Survey, Earthquake Hazards Program (ANSS Comprehensive Catalog). Magnitudes and locations for older events are revised as methods improve. This is a catalogue record, not a forecast.