Taiwan earthquakes

M4.0 earthquake 35 km S of Yilan, Taiwan

A magnitude 4.0 earthquake struck 35 km S of Yilan, Taiwan on Mon, Aug 24, 1981, 9:08 AM GMT+8 (01:08 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 10 km E of Hualien City, Taiwan. This one was a foreshock.

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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
4.0 (mb), light
Local time
UTC
1981-08-24 01:08:27 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
24.437° N, 121.725° E
Region
Taiwan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.033 km NNE of Hualien City, Taiwan · 16458 days ago · 32 km deep · 20 km away
  2. 4.110 km E of Hualien City, Taiwan · 16432 days ago · 17 km deep · 52 km away
  3. 4.550 km WNW of Yonakuni, Japan · 16411 days ago · 107 km deep · 87 km away

Before

  1. 4.227 km E of Yilan, Taiwan · 16469 days ago · 10 km deep · 49 km away
  2. 4.335 km ESE of Yilan, Taiwan · 16486 days ago · 73 km deep · 39 km away
  3. 4.553 km ESE of Jiufen, Taiwan · 16496 days ago · 123 km deep · 78 km away
  4. 4.234 km E of Hualien City, Taiwan · 16496 days ago · 18 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001ffa. Read Tue, Sep 22, 2026, 9:15 PM UTC.