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M 4.5 earthquake — 34 km S of Igiugig, Alaska
April 20, 1983 · USGS event usp0001ukp
Magnitude
4.5 (mb)
Depth
208.7 km
Location
34 km S of Igiugig, Alaska
Coordinates
59.023, -155.972
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.