Indonesia earthquakes

M5.3 earthquake 128 km WSW of Insrom, Indonesia

A magnitude 5.3 earthquake struck 128 km WSW of Insrom, Indonesia on Thu, Nov 21, 1985, 9:17 AM GMT+9 (00:17 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.0 127 km SE of Manokwari, Indonesia. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
5.3 (mb), moderate
Local time
UTC
1985-11-21 00:17:55 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
1.694° S, 135.018° 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 2.3 and up: 4 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 3.5129 km SSE of Manokwari, Indonesia · 14915 days ago · 10 km deep · 76 km away
  2. 5.2114 km SE of Manokwari, Indonesia · 14910 days ago · 10 km deep · 34 km away
  3. 6.0127 km SE of Manokwari, Indonesia · 14899 days ago · 25 km deep · 14 km away
  4. 4.397 km SSE of Manokwari, Indonesia · 14882 days ago · 33 km deep · 58 km away

Before

  1. 5.0Near the north coast of Papua, Indonesia · 14918 days ago · 10 km deep · 69 km away
  2. 5.0118 km SE of Manokwari, Indonesia · 14918 days ago · 10 km deep · 37 km away
  3. 4.4119 km SE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 29 km away
  4. 4.2127 km SSE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 51 km away
  5. 4.496 km SSE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 77 km away
  6. 4.496 km SSE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 64 km away
  7. 6.097 km SSE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 66 km away
  8. 5.3100 km SSE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 77 km away
  9. 4.1119 km WSW of Insrom, Indonesia · 14919 days ago · 10 km deep · 9 km away
  10. 4.9119 km SE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 32 km away
  11. 7.1127 km SE of Manokwari, Indonesia · 14919 days ago · 10 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002mzw. Read Tue, Sep 22, 2026, 9:13 AM UTC.