M5.5 earthquake 154 km NW of Ternate, Indonesia
A magnitude 5.5 earthquake struck 154 km NW of Ternate, Indonesia on Wed, Oct 30, 1968, 1:00 AM GMT+8 (17:00 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M6.1 148 km WNW of Tobelo, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1968-10-29 17:00:40 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 1.767° N, 126.394° 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
- ±0.25
- 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: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 6.1125 km E of Bitung, Indonesia · 21150 days ago · 30 km deep · 62 km away
- 6.1148 km WNW of Tobelo, Indonesia · 21140 days ago · 43 km deep · 84 km away
- 5.882 km E of Laikit, Laikit II (Dimembe), Indonesia · 21127 days ago · 76 km deep · 87 km away
- 5.6144 km E of Bitung, Indonesia · 21097 days ago · 19 km deep · 12 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem816409. Read Sat, Sep 26, 2026, 9:29 PM UTC.