Earthquake LogM8.1 earthquake, Mongolia Earthquake, 1957-12-04
MagnitudeM8.1mw
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Depth30 km
Time (UTC)1957-12-04 03:37
Rank in 19572 / 175among M6+
Rank since 190063 / 14,458
Energy vs an M6×1,413approx.
1957 Gobi-Altay, Mongolia Earthquake · 45.19, 99.37
M6.5+ within 300 km (largest first)
M8.1
M6.9
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.1 1950-02-25 | 1950-02-25 05:47 | 15 km | 142 km WSW of Bayanhongor, Mongolia |
| M6.3 1915-04-30 | 1915-04-30 01:45 | 15 km | 134 km SW of Hovd, Mongolia |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.