M4.0 earthquake 82 km NNE of Tocopilla, Chile
A magnitude 4.0 earthquake struck 82 km NNE of Tocopilla, Chile on Tue, Oct 6, 2020, 10:25 AM GMT-3 (13:25 UTC), 46 km (28 mi) below the surface.
A larger quake followed: M4.3 134 km N of Calama, 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
- 2020-10-06 13:25:11 UTC
- Depth
- 45.7 km (28.4 mi), shallow
- Epicenter
- 21.410° S, 69.872° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.2 km horizontally, 4.4 km in depth
- Magnitude uncertainty
- ±0.37
- Depth from
- From location
- Station coverage gap
- 149°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.220 km NE of Tocopilla, Chile · 2181 days ago · 72 km deep · 63 km away
- 4.239 km NW of Tocopilla, Chile · 2179 days ago · 24 km deep · 79 km away
- 3.983 km NNE of Tocopilla, Chile · 2171 days ago · 53 km deep · 5 km away · felt by 2
- 4.086 km NNE of Tocopilla, Chile · 2165 days ago · 54 km deep · 7 km away · felt by 1
- 4.3134 km N of Calama, Chile · 2147 days ago · 128 km deep · 92 km away
Before
- 3.763 km S of Iquique, Chile · 2187 days ago · 45 km deep · 76 km away · felt by 3
- 4.483 km NNE of Tocopilla, Chile · 2211 days ago · 51 km deep · 4 km away · felt by 1
- 4.583 km NNE of Tocopilla, Chile · 2212 days ago · 52 km deep · 5 km away · felt by 1
- 4.578 km NNE of Tocopilla, Chile · 2212 days ago · 45 km deep · 8 km away · felt by 6
- 6.282 km NNE of Tocopilla, Chile · 2212 days ago · 51 km deep · 4 km away · felt by 149
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c63f. Read Fri, Oct 2, 2026, 1:58 PM UTC.