M4.8 earthquake 93 km N of Sinabang, Indonesia
A magnitude 4.8 earthquake struck 93 km N of Sinabang, Indonesia on Thu, Jul 21, 1977, 9:36 AM GMT+7 (02:36 UTC), 68 km (42 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1977-07-21 02:36:02 UTC
- Depth
- 68.0 km (42.3 mi), shallow
- Epicenter
- 3.321° N, 96.315° 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.
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 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 usp0000pth. Read Tue, Sep 22, 2026, 9:15 AM UTC.