China earthquakes

M5.5 earthquake 260 km NW of Kangding, China

A magnitude 5.5 earthquake struck 260 km NW of Kangding, China on Sun, Sep 9, 1973, 10:13 AM GMT+8 (02:13 UTC), 33 km (21 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.5 (mb), moderate
Local time
UTC
1973-09-09 02:13:39 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
31.650° N, 100.013° E
Region
China
Strongest shaking
V, moderate 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
V, moderate shaking
Peak ground acceleration
9.6% of gravity
Peak ground velocity
1.9 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Stations used
63

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes todayChina earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00003ch (also filed as atlas19730909021337, iscgem756207). Read Wed, Sep 23, 2026, 3:30 AM UTC.