M4.2 earthquake 126 km SE of Arica, Chile
A magnitude 4.2 earthquake struck 126 km SE of Arica, Chile on Thu, Sep 16, 2021, 4:29 AM GMT-3 (07:29 UTC), 119 km (74 mi) below the surface.
A larger quake followed: M4.4 101 km SSE 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
- 2021-09-16 07:29:05 UTC
- Depth
- 118.5 km (73.6 mi), intermediate-depth
- Epicenter
- 19.197° S, 69.365° 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 5.4 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 102°
- 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: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.392 km ENE of Iquique, Chile · 1842 days ago · 103 km deep · 95 km away · felt by 9
- 4.0115 km E of Arica, Chile · 1837 days ago · 138 km deep · 67 km away · felt by 1
- 4.394 km S of Arica, Chile · 1828 days ago · 34 km deep · 97 km away · felt by 2
- 4.0Tarapaca, Chile · 1816 days ago · 113 km deep · 77 km away
- 4.4101 km SSE of Arica, Chile · 1792 days ago · 89 km deep · 44 km away · felt by 2
- 4.090 km NE of Iquique, Chile · 1788 days ago · 102 km deep · 55 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fbqz. Read Sat, Oct 3, 2026, 12:04 AM UTC.