Earthquake details

Friday, October 4, 1940 Earthquake

The earthquake hit China on Friday, October 4, 1940 at 04:35 UTC with a magnitude of 6.2. The closest known location in the current dataset is Nagqu Prefecture (China - CN), about 79.4 km away. The epicenter is located at longitude 91.658 and latitude 30.851.

Magnitude 6.2
Alert Severe
Depth 15.0 km
Coordinates 30.851, 91.658
UTC time 1940-10-04 04:35:55.790
Location Nagqu Prefecture
Country China (CN)
Severity Severe

Earthquake map 1940-10-04

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
Nagqu Prefecture
China · 2025-12-02 10:56 UTC
168.1 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.