Taiwan earthquakes

M4.4 earthquake 44 km SSE of Yilan, Taiwan

A magnitude 4.4 earthquake struck 44 km SSE of Yilan, Taiwan on Mon, Aug 5, 1985, 9:18 PM GMT+8 (13:18 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 56 km ESE of Yilan, Taiwan. 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1985-08-05 13:18:20 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
24.419° N, 121.996° E
Region
Taiwan
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt on eastern Taiwan.

From the USGS event page for usp0002hdq. U.S. Geological Survey text and figures are in the public domain.

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: 13 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.738 km SSE of Yilan, Taiwan · 15029 days ago · 10 km deep · 16 km away
  2. 4.48 km N of Yilan, Taiwan · 15025 days ago · 32 km deep · 52 km away
  3. 4.917 km S of Hualien City, Taiwan · 15017 days ago · 33 km deep · 78 km away
  4. 4.152 km WNW of Yonakuni, Japan · 15011 days ago · 10 km deep · 58 km away
  5. 4.668 km ENE of Hualien City, Taiwan · 15008 days ago · 43 km deep · 40 km away
  6. 4.554 km ESE of Yilan, Taiwan · 15007 days ago · 10 km deep · 27 km away
  7. 3.745 km SE of Yilan, Taiwan · 15007 days ago · 28 km deep · 5 km away
  8. 5.114 km NW of Yonakuni, Japan · 14996 days ago · 106 km deep · 92 km away
  9. 3.832 km SSE of Hualien City, Taiwan · 14993 days ago · 28 km deep · 87 km away
  10. 4.972 km SW of Yonakuni, Japan · 14993 days ago · 35 km deep · 78 km away
  11. 3.99 km SW of Hualien City, Taiwan · 14989 days ago · 21 km deep · 72 km away
  12. 4.049 km ESE of Yilan, Taiwan · 14986 days ago · 10 km deep · 20 km away
  13. 5.556 km ESE of Yilan, Taiwan · 14986 days ago · 18 km deep · 35 km away

Before

  1. 4.841 km S of Yilan, Taiwan · 15032 days ago · 10 km deep · 21 km away
  2. 5.542 km SSE of Yilan, Taiwan · 15032 days ago · 10 km deep · 11 km away
  3. 3.850 km ESE of Jiufen, Taiwan · 15046 days ago · 105 km deep · 67 km away
  4. 4.078 km E of Hualien City, Taiwan · 15055 days ago · 33 km deep · 69 km away
  5. 4.828 km NNE of Hualien City, Taiwan · 15058 days ago · 35 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002hdq. Read Thu, Oct 1, 2026, 6:04 AM UTC.