M4.5 earthquake 229 km SE of Ambon, Indonesia
A magnitude 4.5 earthquake struck 229 km SE of Ambon, Indonesia on Mon, Oct 27, 1986, 4:05 PM GMT+9 (07:05 UTC), 241 km (150 mi) below the surface.
A larger quake followed: M5.1 246 km SSE of Ambon, 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
- 1986-10-27 07:05:12 UTC
- Depth
- 241.2 km (149.9 mi), intermediate-depth
- Epicenter
- 5.398° S, 129.362° 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.1188 km SSE of Ambon, Indonesia · 14563 days ago · 232 km deep · 56 km away
- 5.1246 km SSE of Ambon, Indonesia · 14548 days ago · 277 km deep · 76 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002zdc. Read Tue, Sep 22, 2026, 8:07 AM UTC.