Indonesia earthquakes

M3.6 earthquake 135 km S of Dompu, Indonesia

A magnitude 3.6 earthquake struck 135 km S of Dompu, Indonesia on Mon, Oct 17, 1977, 5:23 PM GMT+8 (09:23 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.3 190 km S of Dompu, 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
3.6 (ms), minor
Local time
UTC
1977-10-17 09:23:52 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
9.750° S, 118.320° 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
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 5.3190 km S of Dompu, Indonesia · 17871 days ago · 33 km deep · 56 km away
  2. 5.0164 km WSW of Waingapu, Indonesia · 17864 days ago · 33 km deep · 80 km away
  3. 5.7179 km WSW of Waingapu, Indonesia · 17860 days ago · 33 km deep · 68 km away
  4. 5.0194 km SSW of Dompu, Indonesia · 17858 days ago · 33 km deep · 63 km away

Before

  1. 5.0166 km S of Sumbawa Besar, Indonesia · 17873 days ago · 33 km deep · 84 km away
  2. 5.1165 km S of Sumbawa Besar, Indonesia · 17879 days ago · 33 km deep · 97 km away
  3. 5.6166 km S of Sumbawa Besar, Indonesia · 17880 days ago · 33 km deep · 93 km away
  4. 4.9160 km S of Sumbawa Besar, Indonesia · 17881 days ago · 33 km deep · 93 km away
  5. 5.0166 km S of Sumbawa Besar, Indonesia · 17882 days ago · 33 km deep · 94 km away
  6. 5.1168 km S of Sumbawa Besar, Indonesia · 17882 days ago · 33 km deep · 93 km away
  7. 5.0164 km S of Sumbawa Besar, Indonesia · 17882 days ago · 33 km deep · 86 km away
  8. 5.0147 km S of Sumbawa Besar, Indonesia · 17882 days ago · 33 km deep · 99 km away
  9. 5.6177 km S of Sumbawa Besar, Indonesia · 17883 days ago · 33 km deep · 82 km away
  10. 5.2180 km S of Sumbawa Besar, Indonesia · 17888 days ago · 24 km deep · 88 km away
  11. 5.6175 km S of Sumbawa Besar, Indonesia · 17888 days ago · 33 km deep · 97 km away
  12. 4.7176 km SSE of Sumbawa Besar, Indonesia · 17899 days ago · 33 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000r2v. Read Tue, Sep 22, 2026, 5:16 PM UTC.