Taiwan earthquakes

M3.1 earthquake 61 km SE of Yilan, Taiwan

A magnitude 3.1 earthquake struck 61 km SE of Yilan, Taiwan on Mon, Dec 21, 1987, 11:47 PM GMT+8 (15:47 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.7 86 km SW of Yonakuni, Japan. This one was a foreshock.

Yilan forecastMore in Taiwan

Map

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

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The earthquake

Magnitude
3.1 (m), minor
Local time
UTC
1987-12-21 15:47:23 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
24.398° N, 122.222° 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.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.273 km ENE of Hualien City, Taiwan · 14162 days ago · 33 km deep · 16 km away
  2. 4.347 km W of Yonakuni, Japan · 14157 days ago · 33 km deep · 32 km away
  3. 3.818 km SE of Hualien City, Taiwan · 14151 days ago · 50 km deep · 78 km away
  4. 4.657 km SSW of Yonakuni, Japan · 14146 days ago · 10 km deep · 74 km away
  5. 3.781 km SSW of Yonakuni, Japan · 14146 days ago · 10 km deep · 74 km away
  6. 4.452 km ENE of Hualien City, Taiwan · 14139 days ago · 48 km deep · 31 km away
  7. 4.829 km SE of Hualien City, Taiwan · 14123 days ago · 39 km deep · 79 km away
  8. 5.786 km SW of Yonakuni, Japan · 14109 days ago · 35 km deep · 66 km away
  9. 4.183 km SSW of Yonakuni, Japan · 14109 days ago · 33 km deep · 76 km away
  10. 4.271 km SW of Yonakuni, Japan · 14107 days ago · 33 km deep · 62 km away
  11. 4.168 km SSW of Yonakuni, Japan · 14107 days ago · 33 km deep · 68 km away
  12. 4.366 km SSW of Yonakuni, Japan · 14107 days ago · 29 km deep · 64 km away
  13. 4.971 km SW of Yonakuni, Japan · 14107 days ago · 39 km deep · 56 km away
  14. 5.067 km SW of Yonakuni, Japan · 14107 days ago · 38 km deep · 58 km away
  15. 5.169 km SW of Yonakuni, Japan · 14107 days ago · 43 km deep · 54 km away
  16. 5.173 km SW of Yonakuni, Japan · 14107 days ago · 39 km deep · 55 km away

Before

  1. 4.329 km ENE of Hualien City, Taiwan · 14169 days ago · 33 km deep · 49 km away
  2. 4.229 km SSE of Hualien City, Taiwan · 14177 days ago · 48 km deep · 95 km away
  3. 4.021 km E of Hualien City, Taiwan · 14178 days ago · 43 km deep · 61 km away
  4. 4.424 km SE of Jiufen, Taiwan · 14184 days ago · 33 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003bf4. Read Tue, Sep 29, 2026, 8:14 PM UTC.