M4.6 earthquake 203 km NNE of Tobelo, Indonesia
A magnitude 4.6 earthquake struck 203 km NNE of Tobelo, Indonesia on Mon, Feb 18, 1985, 8:51 PM GMT+9 (11:51 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 193 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
- 4.6 (mb), light
- Local time
- UTC
- 1985-02-18 11:51:30 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 3.415° N, 128.739° 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 1.6 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.1193 km NE of Tobelo, Indonesia · 15179 days ago · 33 km deep · 39 km away
- 4.8186 km W of Tobi Village, Palau · 15172 days ago · 33 km deep · 100 km away
- 4.7157 km NNE of Tobelo, Indonesia · 15136 days ago · 33 km deep · 59 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002c09. Read Wed, Sep 23, 2026, 2:37 AM UTC.