Indonesia earthquakes

M4.9 earthquake 148 km NW of Ternate, Indonesia

A magnitude 4.9 earthquake struck 148 km NW of Ternate, Indonesia on Tue, Jul 28, 1981, 7:06 PM GMT+9 (10:06 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M5.5 133 km NW of Tobelo, Indonesia. This one was a foreshock.

Ternate forecastMore in Indonesia

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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
1981-07-28 10:06:18 UTC
Depth
75.6 km (47.0 mi), intermediate-depth
Epicenter
1.827° N, 126.539° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.8101 km NNW of Ternate, Indonesia · 16492 days ago · 123 km deep · 59 km away
  2. 4.9132 km W of Ternate, Indonesia · 16486 days ago · 93 km deep · 97 km away
  3. 5.5133 km NW of Tobelo, Indonesia · 16475 days ago · 38 km deep · 89 km away
  4. 4.9150 km WNW of Tobelo, Indonesia · 16475 days ago · 80 km deep · 55 km away
  5. 4.5158 km WNW of Tobelo, Indonesia · 16462 days ago · 64 km deep · 28 km away
  6. 5.2133 km WNW of Tobelo, Indonesia · 16438 days ago · 90 km deep · 43 km away

Before

  1. 5.0152 km ENE of Laikit, Laikit II (Dimembe), Indonesia · 16509 days ago · 64 km deep · 27 km away
  2. 4.8139 km WNW of Ternate, Indonesia · 16514 days ago · 60 km deep · 61 km away
  3. 5.3103 km E of Laikit, Laikit II (Dimembe), Indonesia · 16520 days ago · 96 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001ez8. Read Tue, Sep 22, 2026, 2:55 PM UTC.