M4.5 earthquake 242 km SE of Ambon, Indonesia
A magnitude 4.5 earthquake struck 242 km SE of Ambon, Indonesia on Mon, Sep 30, 1985, 7:48 AM GMT+9 (22:48 UTC), 220 km (137 mi) below the surface.
A larger quake followed: M4.7 219 km SSE of Amahai, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1985-09-29 22:48:11 UTC
- Depth
- 219.8 km (136.6 mi), intermediate-depth
- Epicenter
- 5.514° S, 129.408° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002k9t. Read Tue, Sep 22, 2026, 9:17 AM UTC.