Japan earthquakes

M4.8 earthquake 159 km E of Miyako, Japan

A magnitude 4.8 earthquake struck 159 km E of Miyako, Japan on Sat, Apr 10, 1976, 8:17 AM JST (23:17 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.9 143 km E of Miyako, Japan. This one was a foreshock.

Miyako forecastMore in Japan

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
1976-04-09 23:17:45 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
39.697° N, 143.804° 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.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.9143 km E of Miyako, Japan · 18427 days ago · 16 km deep · 18 km away
  2. 5.0138 km E of Miyako, Japan · 18427 days ago · 33 km deep · 22 km away
  3. 4.7151 km E of Miyako, Japan · 18427 days ago · 30 km deep · 9 km away
  4. 4.9134 km E of Miyako, Japan · 18427 days ago · 33 km deep · 26 km away
  5. 4.9182 km ENE of Miyako, Japan · 18420 days ago · 33 km deep · 71 km away
  6. 5.5125 km ENE of Miyako, Japan · 18418 days ago · 17 km deep · 71 km away
  7. 4.7141 km ENE of Miyako, Japan · 18418 days ago · 33 km deep · 50 km away
  8. 3.8157 km ENE of Miyako, Japan · 18418 days ago · 30 km deep · 41 km away
  9. 4.0163 km ESE of Yamada, Japan · 18407 days ago · 33 km deep · 88 km away

Before

  1. 4.8122 km E of Miyako, Japan · 18432 days ago · 28 km deep · 38 km away
  2. 4.6181 km E of Yamada, Japan · 18438 days ago · 33 km deep · 44 km away
  3. 4.9123 km E of Yamada, Japan · 18438 days ago · 46 km deep · 45 km away
  4. 5.0119 km E of Yamada, Japan · 18438 days ago · 49 km deep · 45 km away
  5. 4.4210 km E of Yamada, Japan · 18438 days ago · 33 km deep · 76 km away
  6. 5.3119 km E of Yamada, Japan · 18438 days ago · 40 km deep · 46 km away
  7. 5.4111 km E of Miyako, Japan · 18438 days ago · 42 km deep · 49 km away
  8. 5.0184 km ENE of Miyako, Japan · 18438 days ago · 29 km deep · 53 km away
  9. 4.6181 km ENE of Miyako, Japan · 18453 days ago · 23 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000fty. Read Tue, Sep 22, 2026, 4:23 AM UTC.