Japan earthquakes

M4.8 earthquake 44 km W of Yonakuni, Japan

A magnitude 4.8 earthquake struck 44 km W of Yonakuni, Japan on Tue, Dec 30, 1986, 6:24 AM GMT+8 (22:24 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.7 12 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
4.8 (mb), light
Local time
UTC
1986-12-29 22:24:46 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
24.437° N, 122.567° E
Region
Japan
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 1.8 and up: 13 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 3.662 km ENE of Hualien City, Taiwan · 14505 days ago · 33 km deep · 48 km away
  2. 5.712 km E of Hualien City, Taiwan · 14504 days ago · 38 km deep · 99 km away
  3. 4.118 km ENE of Hualien City, Taiwan · 14503 days ago · 41 km deep · 93 km away
  4. 4.077 km E of Hualien City, Taiwan · 14499 days ago · 33 km deep · 52 km away
  5. 4.080 km N of Yonakuni, Japan · 14494 days ago · 196 km deep · 88 km away
  6. 4.637 km SSW of Yonakuni, Japan · 14482 days ago · 60 km deep · 40 km away
  7. 4.160 km WNW of Yonakuni, Japan · 14481 days ago · 76 km deep · 24 km away
  8. 5.2Taiwan region · 14478 days ago · 40 km deep · 38 km away
  9. 5.028 km SSE of Yilan, Taiwan · 14475 days ago · 71 km deep · 71 km away
  10. 4.128 km ENE of Hualien City, Taiwan · 14473 days ago · 33 km deep · 81 km away
  11. 3.954 km ENE of Hualien City, Taiwan · 14459 days ago · 33 km deep · 56 km away
  12. 4.448 km E of Jiufen, Taiwan · 14458 days ago · 79 km deep · 78 km away
  13. 4.435 km NE of Yonakuni, Japan · 14456 days ago · 33 km deep · 76 km away

Before

  1. 3.557 km ENE of Hualien City, Taiwan · 14518 days ago · 33 km deep · 53 km away
  2. 4.123 km ENE of Hualien City, Taiwan · 14518 days ago · 33 km deep · 87 km away
  3. 4.862 km SE of Yilan, Taiwan · 14519 days ago · 37 km deep · 41 km away
  4. 4.337 km ENE of Hualien City, Taiwan · 14530 days ago · 33 km deep · 74 km away
  5. 5.215 km SSW of Jiufen, Taiwan · 14530 days ago · 104 km deep · 96 km away
  6. 4.957 km ENE of Hualien City, Taiwan · 14533 days ago · 33 km deep · 56 km away
  7. 4.741 km ENE of Hualien City, Taiwan · 14534 days ago · 33 km deep · 69 km away
  8. 4.041 km ENE of Hualien City, Taiwan · 14537 days ago · 33 km deep · 69 km away
  9. 4.856 km E of Yilan, Taiwan · 14537 days ago · 39 km deep · 45 km away
  10. 3.971 km SE of Yilan, Taiwan · 14538 days ago · 42 km deep · 38 km away
  11. 5.136 km E of Hualien City, Taiwan · 14541 days ago · 34 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003192. Read Tue, Sep 22, 2026, 10:52 AM UTC.