M5.5 earthquake 159 km WNW of Tobelo, Indonesia
A magnitude 5.5 earthquake struck 159 km WNW of Tobelo, Indonesia on Sun, Mar 20, 1983, 8:24 PM GMT+9 (11:24 UTC), 42 km (26 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1983-03-20 11:24:46 UTC
- Depth
- 41.6 km (25.8 mi), shallow
- Epicenter
- 2.326° N, 126.700° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.5 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · 25 stations |
| 5.33 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.3 | Mwc, centroid moment | Global CMT project | Preliminary |
Did you feel it?
No one has reported feeling this quake to the USGS.
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 2 in the 30 days before it.
After
- 4.6173 km WNW of Tobelo, Indonesia · 15901 days ago · 90 km deep · 20 km away
- 4.872 km WNW of Tobelo, Indonesia · 15894 days ago · 112 km deep · 91 km away
- 5.0159 km WNW of Tobelo, Indonesia · 15882 days ago · 83 km deep · 7 km away
- 4.799 km W of Tobelo, Indonesia · 15881 days ago · 163 km deep · 85 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001tsj (also filed as gcmtb032083b, gcmt19830320112446, iscgem581020). Read Sat, Oct 3, 2026, 12:43 PM UTC.