M5.5 earthquake 183 km WNW of Qamdo, China
A magnitude 5.5 earthquake struck 183 km WNW of Qamdo, China on Wed, Aug 1, 1951, 9:37 PM GMT+8 (13:37 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1951-08-01 13:37:30 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 31.539° N, 95.312° E
- Region
- China
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 22.2% of gravity
- Peak ground velocity
- 2.6 cm/s
- Map
- Automatic

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: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem894576. Read Thu, Sep 24, 2026, 5:40 AM UTC.