M4.2 earthquake 82 km S of Arica, Chile
A magnitude 4.2 earthquake struck 82 km S of Arica, Chile on Wed, Sep 18, 2019, 2:36 AM GMT-3 (05:36 UTC), 73 km (45 mi) below the surface.
A larger quake followed: M4.6 118 km ESE 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-18 05:36:23 UTC
- Depth
- 72.7 km (45.2 mi), intermediate-depth
- Epicenter
- 19.224° S, 70.279° 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 4.3 km horizontally, 12.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 134°
- Stations used
- 34
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 0 in the 30 days before it.
After
- 4.6118 km ESE of Arica, Chile · 2535 days ago · 146 km deep · 100 km away
- 4.3117 km ESE of Arica, Chile · 2530 days ago · 111 km deep · 99 km away · felt by 1
- 4.1121 km NE of Iquique, Chile · 2520 days ago · 95 km deep · 89 km away
- 4.392 km ESE of Arica, Chile · 2515 days ago · 136 km deep · 95 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005hs1. Read Sat, Oct 3, 2026, 3:11 PM UTC.