M4.3 earthquake 89 km E of Arica, Chile
A magnitude 4.3 earthquake struck 89 km E of Arica, Chile on Fri, Sep 18, 2015, 10:01 AM GMT-3 (13:01 UTC), 135 km (84 mi) below the surface.
A larger quake followed: M5.0 57 km ESE of Palca, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-09-18 13:01:51 UTC
- Depth
- 134.7 km (83.7 mi), intermediate-depth
- Epicenter
- 18.549° S, 69.453° W
- Region
- Chile
- 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.
- Location uncertainty
- About 8.3 km horizontally, 7.9 km in depth
- Magnitude uncertainty
- ±0.31
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.736 km ENE of Arica, Chile · 4020 days ago · 23 km deep · 60 km away
- 4.818 km E of Palca, Peru · 4012 days ago · 128 km deep · 96 km away · felt by 3
- 5.057 km ESE of Palca, Peru · 3993 days ago · 116 km deep · 64 km away
- 4.763 km ESE of Arica, Chile · 3972 days ago · 78 km deep · 40 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003jib. Read Thu, Oct 1, 2026, 2:38 AM UTC.