M5.0 earthquake 109 km N of Tobelo, Indonesia
A magnitude 5.0 earthquake struck 109 km N of Tobelo, Indonesia on Sun, Aug 18, 1985, 7:33 PM GMT+9 (10:33 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 134 km NE 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
- 5.0 (mb), moderate
- Local time
- UTC
- 1985-08-18 10:33:47 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 2.703° N, 128.200° 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 2.0 and up: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.753 km NNW of Tobelo, Indonesia · 15004 days ago · 33 km deep · 76 km away
- 5.3134 km NE of Tobelo, Indonesia · 15003 days ago · 69 km deep · 56 km away
- 4.7161 km N of Tobelo, Indonesia · 14988 days ago · 95 km deep · 69 km away
- 5.771 km ENE of Tobelo, Indonesia · 14981 days ago · 240 km deep · 79 km away
Before
- 5.5121 km N of Tobelo, Indonesia · 15011 days ago · 66 km deep · 12 km away
- 4.8124 km NNE of Tobelo, Indonesia · 15011 days ago · 238 km deep · 36 km away
- 4.6126 km NNE of Tobelo, Indonesia · 15013 days ago · 225 km deep · 47 km away
- 5.098 km NE of Tobelo, Indonesia · 15029 days ago · 241 km deep · 53 km away
- 4.4101 km ENE of Tobelo, Indonesia · 15039 days ago · 65 km deep · 99 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hw0. Read Tue, Sep 22, 2026, 8:44 PM UTC.