Indonesia earthquakes

M5.1 earthquake 68 km S of Gorontalo, Indonesia

A magnitude 5.1 earthquake struck 68 km S of Gorontalo, Indonesia on Mon, Aug 10, 1987, 1:21 PM GMT+8 (05:21 UTC), 178 km (111 mi) below the surface.

A larger quake followed: M5.2 69 km S of Gorontalo, Indonesia. This one was a foreshock.

Gorontalo 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
5.1 (mb), moderate
Local time
UTC
1987-08-10 05:21:59 UTC
Depth
178.4 km (110.9 mi), intermediate-depth
Epicenter
0.072° S, 122.966° 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 2.1 and up: 5 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 3.697 km SE of Gorontalo, Indonesia · 14292 days ago · 139 km deep · 88 km away
  2. 4.063 km SSE of Gorontalo, Indonesia · 14291 days ago · 162 km deep · 47 km away
  3. 4.959 km SE of Gorontalo, Indonesia · 14285 days ago · 227 km deep · 56 km away
  4. 5.269 km S of Gorontalo, Indonesia · 14253 days ago · 182 km deep · 14 km away
  5. 4.687 km NNE of Luwuk, Indonesia · 14237 days ago · 151 km deep · 35 km away

Before

  1. 5.267 km SSE of Gorontalo, Indonesia · 14299 days ago · 176 km deep · 31 km away
  2. 5.572 km ESE of Gorontalo, Indonesia · 14307 days ago · 167 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00037dn. Read Wed, Sep 30, 2026, 1:12 PM UTC.