M4.0 earthquake 36 km WSW of Arica, Chile
A magnitude 4.0 earthquake struck 36 km WSW of Arica, Chile on Tue, Mar 10, 2015, 10:53 AM GMT-3 (13:53 UTC), 56 km (35 mi) below the surface.
A larger quake followed: M4.8 84 km S of Pacocha, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 2015-03-10 13:53:34 UTC
- Depth
- 56.1 km (34.8 mi), shallow
- Epicenter
- 18.549° S, 70.631° 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 7.6 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- FROM_LOCATION
- Station coverage gap
- 161°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.884 km S of Pacocha, Peru · 4214 days ago · 64 km deep · 67 km away
- 4.1103 km W of Arica, Chile · 4214 days ago · 49 km deep · 67 km away
- 4.288 km S of Arica, Chile · 4213 days ago · 77 km deep · 90 km away
- 4.051 km WSW of Arica, Chile · 4202 days ago · 40 km deep · 18 km away
- 4.256 km E of Arica, Chile · 4192 days ago · 131 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001m3u. Read Wed, Sep 30, 2026, 12:05 PM UTC.