M4.2 earthquake 54 km SSW of Tocopilla, Chile
A magnitude 4.2 earthquake struck 54 km SSW of Tocopilla, Chile on Sat, Oct 17, 2020, 12:53 AM GMT-3 (03:53 UTC), 29 km (18 mi) below the surface.
A larger quake followed: M4.3 46 km SW of Tocopilla, 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
- 2020-10-17 03:53:05 UTC
- Depth
- 29.0 km (18.0 mi), shallow
- Epicenter
- 22.561° S, 70.352° 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 3.5 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 136°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.276 km N of Antofagasta, Chile · 2158 days ago · 46 km deep · 47 km away
- 4.346 km SW of Tocopilla, Chile · 2127 days ago · 69 km deep · 17 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c8wr. Read Fri, Oct 2, 2026, 4:02 PM UTC.