M5.5 earthquake 56 km W of Tobelo, Indonesia
A magnitude 5.5 earthquake struck 56 km W of Tobelo, Indonesia on Fri, Apr 5, 1985, 10:00 PM GMT+9 (13:00 UTC), 145 km (90 mi) below the surface.
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
- 1985-04-05 13:00:23 UTC
- Depth
- 144.5 km (89.8 mi), intermediate-depth
- Epicenter
- 1.799° N, 127.511° E
- Region
- Indonesia
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 1.2% of gravity
- Peak ground velocity
- -0.9 cm/s
- Map
- Automatic
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
- CONSTRAINED_BY_DEPTH_PHASES
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 1 in the 30 days before it.
After
- 4.7113 km NW of Ternate, Indonesia · 15139 days ago · 33 km deep · 96 km away
- 4.6139 km NW of Ternate, Indonesia · 15135 days ago · 66 km deep · 92 km away
- 5.163 km WSW of Tobelo, Indonesia · 15125 days ago · 172 km deep · 32 km away
- 5.2146 km WNW of Tobelo, Indonesia · 15111 days ago · 33 km deep · 93 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002dgk (also filed as gcmtb040585b, gcmt19850405130022, iscgem526833). Read Tue, Sep 22, 2026, 4:25 PM UTC.