Indonesia earthquakes

M5.2 earthquake 169 km NW of Tobelo, Indonesia

A magnitude 5.2 earthquake struck 169 km NW of Tobelo, Indonesia on Mon, Oct 20, 1986, 3:27 PM GMT+9 (06:27 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 167 km NW of Tobelo, Indonesia. This one was a foreshock.

Tobelo 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
5.2 (mb), moderate
Local time
UTC
1986-10-20 06:27:13 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
2.823° N, 126.940° 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

Nearest places

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

Nearby

Within 100 km, magnitude 2.2 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 5.5167 km NW of Tobelo, Indonesia · 14582 days ago · 42 km deep · 7 km away
  2. 5.0172 km NW of Tobelo, Indonesia · 14582 days ago · 33 km deep · 24 km away
  3. 5.0157 km WNW of Tobelo, Indonesia · 14580 days ago · 76 km deep · 69 km away
  4. 4.2166 km NW of Tobelo, Indonesia · 14577 days ago · 33 km deep · 19 km away
  5. 5.2130 km NW of Tobelo, Indonesia · 14567 days ago · 67 km deep · 42 km away
  6. 4.8167 km WNW of Tobelo, Indonesia · 14561 days ago · 78 km deep · 64 km away
  7. 6.0153 km WNW of Tobelo, Indonesia · 14560 days ago · 79 km deep · 48 km away
  8. 4.895 km NNW of Tobelo, Indonesia · 14544 days ago · 62 km deep · 81 km away
  9. 4.8128 km WNW of Tobelo, Indonesia · 14543 days ago · 86 km deep · 96 km away
  10. 4.8143 km WNW of Tobelo, Indonesia · 14533 days ago · 58 km deep · 61 km away

Before

  1. 4.4181 km WNW of Tobelo, Indonesia · 14594 days ago · 33 km deep · 86 km away
  2. 4.4149 km NNW of Tobelo, Indonesia · 14600 days ago · 33 km deep · 65 km away
  3. 5.5153 km NNW of Tobelo, Indonesia · 14600 days ago · 46 km deep · 36 km away
  4. 5.0236 km SSE of Sarangani, Philippines · 14606 days ago · 69 km deep · 93 km away
  5. 6.0240 km SE of Sarangani, Philippines · 14607 days ago · 45 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002z3d. Read Tue, Sep 22, 2026, 10:51 AM UTC.