Indonesia earthquakes

M5.5 earthquake 142 km NW of Ternate, Indonesia

A magnitude 5.5 earthquake struck 142 km NW of Ternate, Indonesia on Mon, Aug 12, 1968, 9:43 PM GMT+8 (13:43 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M5.8 142 km NW of Ternate, Indonesia. This one was a foreshock.

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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
5.5 (mw), moderate
Local time
UTC
1968-08-12 13:43:45 UTC
Depth
20.0 km (12.4 mi), shallow
Epicenter
1.561° N, 126.356° 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.

Magnitude uncertainty
±0.34
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 5.8142 km NW of Ternate, Indonesia · 21224 days ago · 30 km deep · 21 km away
  2. 6.0129 km E of Bitung, Indonesia · 21220 days ago · 46 km deep · 24 km away
  3. 5.5142 km WNW of Tobelo, Indonesia · 21220 days ago · 20 km deep · 75 km away
  4. 5.5133 km WNW of Ternate, Indonesia · 21219 days ago · 20 km deep · 19 km away
  5. 5.8130 km ESE of Laikit, Laikit II (Dimembe), Indonesia · 21219 days ago · 35 km deep · 53 km away
  6. 5.5136 km WNW of Ternate, Indonesia · 21212 days ago · 16 km deep · 54 km away
  7. 5.5Molucca Sea · 21207 days ago · 15 km deep · 14 km away

Before

  1. 6.0136 km NW of Ternate, Indonesia · 21226 days ago · 25 km deep · 12 km away
  2. 5.9147 km E of Laikit, Laikit II (Dimembe), Indonesia · 21227 days ago · 30 km deep · 9 km away
  3. 6.5114 km E of Bitung, Indonesia · 21227 days ago · 21 km deep · 26 km away
  4. 5.8117 km WNW of Ternate, Indonesia · 21227 days ago · 20 km deep · 29 km away
  5. 7.7121 km E of Bitung, Indonesia · 21227 days ago · 21 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem817937. Read Tue, Sep 22, 2026, 8:18 AM UTC.