M4.7 earthquake 121 km ENE of Lospalos, Timor Leste
A magnitude 4.7 earthquake struck 121 km ENE of Lospalos, Timor Leste on Sun, Sep 18, 1983, 12:25 AM GMT+8 (16:25 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 202 km NE of Lospalos, Timor Leste. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1983-09-17 16:25:39 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 8.178° S, 128.044° E
- Region
- Timor Leste
- 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 1.7 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2199 km ENE of Lospalos, Timor Leste · 15687 days ago · 124 km deep · 87 km away
- 5.1202 km NE of Lospalos, Timor Leste · 15659 days ago · 169 km deep · 94 km away
- 4.7108 km NNE of Lospalos, Timor Leste · 15651 days ago · 121 km deep · 94 km away
Before
Earthquakes todayTimor Leste earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001yep. Read Tue, Sep 22, 2026, 12:13 PM UTC.