M4.0 earthquake 79 km SSW of Arica, Chile
A magnitude 4.0 earthquake struck 79 km SSW of Arica, Chile on Tue, Feb 18, 2020, 6:05 AM GMT-3 (09:05 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.7 47 km SE 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-18 09:05:48 UTC
- Depth
- 54.8 km (34.0 mi), shallow
- Epicenter
- 19.143° S, 70.586° 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 4.1 km horizontally, 13.9 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
- Station coverage gap
- 195°, poorly surrounded by stations
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.367 km SSE of Arica, Chile · 2389 days ago · 70 km deep · 49 km away
- 4.747 km SE of Arica, Chile · 2384 days ago · 72 km deep · 70 km away · felt by 4
- 4.340 km W of Arica, Chile · 2375 days ago · 35 km deep · 67 km away
- 3.986 km SSE of Arica, Chile · 2365 days ago · 31 km deep · 49 km away · felt by 2
- 4.199 km N of Iquique, Chile · 2364 days ago · 69 km deep · 66 km away · felt by 5
- 4.665 km NNW of Iquique, Chile · 2362 days ago · 64 km deep · 64 km away · felt by 23
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007sal. Read Sat, Oct 3, 2026, 2:41 AM UTC.