Earthquake LogM7.9 earthquake, China, 1931-08-10
MagnitudeM7.9mw
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Depth10 km
Time (UTC)1931-08-10 21:18
Rank in 19313 / 124among M6+
Rank since 1900119 / 14,458
Energy vs an M6×708approx.
172 km SE of Altay, China · 46.86, 89.89
M6.5+ within 300 km (largest first)
M7.9
M7.2
M7.0
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.