M4.5 earthquake 170 km N of Palu, Indonesia
A magnitude 4.5 earthquake struck 170 km N of Palu, Indonesia on Wed, Jul 31, 1985, 2:18 AM GMT+8 (18:18 UTC), 94 km (58 mi) below the surface.
A larger quake followed: M5.4 129 km NNE of Palu, 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
- 1985-07-30 18:18:35 UTC
- Depth
- 93.9 km (58.3 mi), intermediate-depth
- Epicenter
- 0.621° N, 120.076° 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 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 usp0002h7w. Read Tue, Sep 22, 2026, 9:15 AM UTC.