Indonesia earthquakes

M4.9 earthquake 66 km ENE of Biak, Indonesia

A magnitude 4.9 earthquake struck 66 km ENE of Biak, Indonesia on Fri, Sep 14, 1979, 6:18 PM GMT+9 (09:18 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 73 km SSE of Biak, Indonesia. This one was a foreshock.

Biak forecastMore in Indonesia

Map

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

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1979-09-14 09:18:12 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
0.913° S, 136.622° E
Region
Indonesia
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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 16 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.326 km ENE of Biak, Indonesia · 17163 days ago · 33 km deep · 40 km away
  2. 4.615 km NE of Biak, Indonesia · 17162 days ago · 33 km deep · 52 km away
  3. 5.473 km SSE of Biak, Indonesia · 17161 days ago · 33 km deep · 96 km away
  4. 5.737 km E of Biak, Indonesia · 17144 days ago · 33 km deep · 35 km away
  5. 5.047 km E of Biak, Indonesia · 17143 days ago · 33 km deep · 30 km away
  6. 6.057 km E of Biak, Indonesia · 17142 days ago · 33 km deep · 28 km away
  7. 5.350 km E of Biak, Indonesia · 17142 days ago · 33 km deep · 39 km away
  8. 5.269 km ENE of Biak, Indonesia · 17142 days ago · 33 km deep · 4 km away
  9. 5.448 km E of Biak, Indonesia · 17142 days ago · 33 km deep · 32 km away
  10. 5.054 km E of Biak, Indonesia · 17142 days ago · 33 km deep · 23 km away
  11. 4.958 km E of Biak, Indonesia · 17141 days ago · 33 km deep · 21 km away
  12. 5.264 km E of Biak, Indonesia · 17141 days ago · 33 km deep · 27 km away
  13. 5.466 km ENE of Biak, Indonesia · 17140 days ago · 33 km deep · 12 km away
  14. 5.358 km E of Biak, Indonesia · 17129 days ago · 33 km deep · 32 km away
  15. 5.854 km E of Biak, Indonesia · 17128 days ago · 26 km deep · 25 km away
  16. 5.082 km E of Biak, Indonesia · 17126 days ago · 33 km deep · 33 km away

Before

  1. 4.829 km ESE of Biak, Indonesia · 17176 days ago · 33 km deep · 51 km away
  2. 4.351 km ENE of Biak, Indonesia · 17177 days ago · 33 km deep · 19 km away
  3. 5.153 km E of Biak, Indonesia · 17177 days ago · 33 km deep · 28 km away
  4. 5.652 km ENE of Biak, Indonesia · 17177 days ago · 33 km deep · 16 km away
  5. 5.942 km E of Biak, Indonesia · 17177 days ago · 26 km deep · 31 km away
  6. 5.653 km SSE of Biak, Indonesia · 17178 days ago · 33 km deep · 92 km away
  7. 5.270 km SSE of Biak, Indonesia · 17178 days ago · 33 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00012yc. Read Tue, Sep 22, 2026, 10:31 PM UTC.