M5.9 earthquake 115 km ESE of Altay, China
A magnitude 5.9 earthquake struck 115 km ESE of Altay, China on Tue, Aug 11, 1931, 1:03 PM GMT+6 (07:03 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M7.3 148 km ESE of Altay, China. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1931-08-11 07:03:33 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 47.476° N, 89.566° E
- Region
- China
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.7144 km SSE of Altay, China · 34736 days ago · 15 km deep · 86 km away
- 7.3148 km ESE of Altay, China · 34734 days ago · 10 km deep · 35 km away
- 5.972 km E of Altay, China · 34726 days ago · 15 km deep · 47 km away
Before
Earthquakes todayChina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem906934. Read Tue, Sep 22, 2026, 11:35 AM UTC.