M7.4 earthquake 122 km ENE of Hengchun, Taiwan
A magnitude 7.4 earthquake struck 122 km ENE of Hengchun, Taiwan on Sun, Dec 21, 1919, 4:37 AM GMT+8 (20:37 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.4 (mw), major
- Local time
- UTC
- 1919-12-20 20:37:34 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 22.529° N, 121.787° E
- Region
- Taiwan
- 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
- 13.5% of gravity
- Peak ground velocity
- 2.5 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
- ±0.28
- 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 1 in the 30 days before it.
Before
Earthquakes todayTaiwan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem913021. Read Wed, Sep 23, 2026, 4:22 AM UTC.