Earthquake LogM7.2 earthquake, China, 1931-08-18
MagnitudeM7.2mw
This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.
Depth10 km
Time (UTC)1931-08-18 14:21
Rank in 193111 / 124among M6+
Rank since 1900819 / 14,458
Energy vs an M6×75approx.
148 km ESE of Altay, China · 47.25, 89.90
M6.5+ within 300 km (largest first)
M7.9
M7.2
M7.0
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M7.9 1931-08-10 | 1931-08-10 21:18 | 10 km | 172 km SE of Altay, China |
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.