M4.3 earthquake 53 km S of Arica, Chile
A magnitude 4.3 earthquake struck 53 km S of Arica, Chile on Sat, Feb 20, 2016, 4:03 AM GMT-3 (07:03 UTC), 68 km (42 mi) below the surface.
A larger quake followed: M5.2 52 km WSW of Arica, Chile. 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), light
- Local time
- UTC
- 2016-02-20 07:03:31 UTC
- Depth
- 68.2 km (42.4 mi), shallow
- Epicenter
- 18.953° S, 70.238° 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 6.0 km horizontally, 6.0 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 133°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.252 km WSW of Arica, Chile · 3864 days ago · 33 km deep · 60 km away · felt by 3
- 4.059 km SW of Arica, Chile · 3862 days ago · 35 km deep · 40 km away
- 4.715 km WSW of Tacna, Peru · 3860 days ago · 99 km deep · 98 km away
- 5.079 km ESE of Arica, Chile · 3856 days ago · 94 km deep · 66 km away · felt by 1
- 4.0Tarapaca, Chile · 3855 days ago · 98 km deep · 59 km away
- 4.088 km NW of Iquique, Chile · 3842 days ago · 38 km deep · 99 km away
- 4.4109 km SE of Arica, Chile · 3816 days ago · 123 km deep · 80 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10004s38. Read Wed, Sep 30, 2026, 4:12 AM UTC.