M5.7 earthquake 47 km NNE of Insrom, Indonesia
A magnitude 5.7 earthquake struck 47 km NNE of Insrom, Indonesia on Sat, Mar 6, 1982, 8:35 PM GMT+9 (11:35 UTC), 46 km (29 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Ms, surface-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1982-03-06 11:35:06 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 0.774° S, 136.255° 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 |
|---|---|---|---|
| 5.7 | Ms, surface-wave | USGS National Earthquake Information Center | Preferred · Reviewed · 3 stations |
| 5.81 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.8 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
CENTROID, MOMENT TENSOR SOLUTION HARVARD EVENT-FILE NAME B030682A DATA USED: GDSN L.P. BODY WAVES: 9S, 23C, T=45 CENTROID LOCATION: ORIGIN TIME 11:35: 6.0 0.4 LAT 0.67S 0.05;LON 136.24E 0.06 DEP 10.0 FIX;HALF-DURATION 2.5 MOMENT TENSOR; SCALE 10**24 D-CM MRR=2.05 0.12; MTT=-1.44 0.15 MFF=-0.61 0.17; MRT=-4.58 0.44 MRF=3.96 0.40; MTF=1.24 0.13 PRINCIPAL AXES: 1.(T) VAL=6.31;PLG=55;AZM=223 2.(N) 0.27; 2; 130 3.(P) -6.57; 35; 39 BEST DOUBLE COUPLE:M0=6.4*10**24 NP1:STRIKE=119;DIP=10;SLIP=79 NP2:Strike=311;Dip=80;Slip=92
From the USGS event page for usp0001jzn. U.S. Geological Survey text and figures are in the public domain.
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 2.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001jzn (also filed as gcmtb030682a, gcmt19820306113506, iscgem601844). Read Thu, Oct 1, 2026, 6:37 AM UTC.