M5.7 earthquake 103 km ESE of Yujing, Taiwan
A magnitude 5.7 earthquake struck 103 km ESE of Yujing, Taiwan on Sat, Feb 21, 1981, 4:09 AM GMT+8 (20:09 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M5.9 104 km ESE of Yujing, Taiwan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (ms), moderate
- Local time
- UTC
- 1981-02-20 20:09:09 UTC
- Depth
- 26.0 km (16.2 mi), shallow
- Epicenter
- 22.918° N, 121.448° E
- Region
- Taiwan
- 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
- 7.8% of gravity
- Peak ground velocity
- 1.4 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 3.8118 km ESE of Yujing, Taiwan · 16649 days ago · 28 km deep · 19 km away
- 5.9104 km ESE of Yujing, Taiwan · 16640 days ago · 24 km deep · 3 km away
- 4.6110 km S of Hualien City, Taiwan · 16614 days ago · 26 km deep · 23 km away
- 4.813 km SE of Yujing, Taiwan · 16611 days ago · 24 km deep · 92 km away
- 4.1119 km NE of Hengchun, Taiwan · 16600 days ago · 33 km deep · 43 km away
Earthquakes todayTaiwan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cab (also filed as gcmtb022081b, gcmt19810220200909, iscgem631580). Read Tue, Sep 22, 2026, 8:19 AM UTC.