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M 4.5 earthquake — 15 km NW of Three Forks, Montana

August 27, 1977 · USGS event usp0000qbm

Magnitude
4.5 (mb)
Depth
10 km
Location
15 km NW of Three Forks, Montana
Coordinates
45.999, -111.690

Full USGS event page →

Other earthquakes in Montana around this time

M 4.7 · 49 km W of Hebgen Lake Estates, MontanaOctober 19, 1977M 5.2 · 26 km WNW of Hebgen Lake Estates, MontanaMarch 11, 1977M 4.6 · 6 km SSW of Toston, MontanaMarch 11, 1977M 4.5 · 12 km WSW of Ovando, MontanaApril 23, 1978M 5.3 · 24 km ENE of West Yellowstone, MontanaOctober 19, 1976M 4.6 · 15 km W of Hebgen Lake Estates, MontanaMay 8, 1979

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.

M 4.5 earthquake — 15 km NW of Three Forks, Montana | DisasterAtlasUSA