M5.1 earthquake 135 km N of Tobelo, Indonesia
A magnitude 5.1 earthquake struck 135 km N of Tobelo, Indonesia on Thu, Oct 9, 1986, 11:58 PM GMT+9 (14:58 UTC), 125 km (77 mi) below the surface.
A larger quake followed: M5.2 43 km NNE 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
- 5.1 (mb), moderate
- Local time
- UTC
- 1986-10-09 14:58:31 UTC
- Depth
- 124.7 km (77.5 mi), intermediate-depth
- Epicenter
- 2.951° N, 128.018° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.243 km NNE of Tobelo, Indonesia · 14582 days ago · 130 km deep · 100 km away
- 5.2130 km NW of Tobelo, Indonesia · 14567 days ago · 67 km deep · 89 km away
- 4.895 km NNW of Tobelo, Indonesia · 14544 days ago · 62 km deep · 71 km away
Before
- 5.1161 km NNE of Tobelo, Indonesia · 14593 days ago · 211 km deep · 57 km away
- 4.4144 km N of Tobelo, Indonesia · 14594 days ago · 111 km deep · 19 km away
- 5.9138 km N of Tobelo, Indonesia · 14598 days ago · 106 km deep · 4 km away
- 4.4149 km NNW of Tobelo, Indonesia · 14599 days ago · 33 km deep · 57 km away
- 5.5153 km NNW of Tobelo, Indonesia · 14599 days ago · 46 km deep · 85 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002yth. Read Mon, Sep 21, 2026, 7:56 PM UTC.