M4.2 earthquake 88 km NNW of Tocopilla, Chile
A magnitude 4.2 earthquake struck 88 km NNW of Tocopilla, Chile on Fri, Aug 20, 2021, 3:07 AM GMT-4 (07:07 UTC), 21 km (13 mi) below the surface.
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
- 2021-08-20 07:07:15 UTC
- Depth
- 21.0 km (13.0 mi), shallow
- Epicenter
- 21.326° S, 70.430° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.2 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 191°, poorly surrounded by stations
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.288 km NNE of Tocopilla, Chile · 1860 days ago · 45 km deep · 60 km away · felt by 2
- 4.270 km NNW of Tocopilla, Chile · 1832 days ago · 35 km deep · 23 km away
- 3.773 km WSW of Iquique, Chile · 1826 days ago · 17 km deep · 97 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f8q8. Read Sat, Oct 3, 2026, 7:53 AM UTC.