M4.2 earthquake 136 km SE of Iquique, Chile
A magnitude 4.2 earthquake struck 136 km SE of Iquique, Chile on Sun, Feb 7, 2021, 3:10 AM GMT-3 (06:10 UTC), 108 km (67 mi) below the surface.
A larger quake followed: M4.5 150 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-07 06:10:38 UTC
- Depth
- 107.6 km (66.9 mi), intermediate-depth
- Epicenter
- 21.028° S, 69.166° 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, 4.2 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 59°
- 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: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.085 km NNE of Tocopilla, Chile · 2056 days ago · 42 km deep · 82 km away · felt by 1
- 4.1159 km WSW of Colchani, Bolivia · 2054 days ago · 165 km deep · 87 km away
- 4.3144 km N of Calama, Chile · 2050 days ago · 131 km deep · 42 km away · felt by 2
- 4.5150 km N of Calama, Chile · 2050 days ago · 145 km deep · 52 km away · felt by 1
- 4.2106 km E of Iquique, Chile · 2044 days ago · 108 km deep · 75 km away · felt by 4
- 3.867 km SSE of Iquique, Chile · 2034 days ago · 66 km deep · 78 km away · felt by 5
- 3.656 km ESE of Iquique, Chile · 2020 days ago · 31 km deep · 82 km away · felt by 6
- 4.2119 km SE of Iquique, Chile · 2010 days ago · 84 km deep · 17 km away · felt by 2
- 3.9151 km N of Calama, Chile · 2005 days ago · 120 km deep · 22 km away · felt by 1
Before
- 4.1149 km N of Calama, Chile · 2070 days ago · 127 km deep · 53 km away
- 4.982 km NNE of Calama, Chile · 2089 days ago · 117 km deep · 92 km away · felt by 1
- 4.1156 km ESE of Iquique, Chile · 2089 days ago · 106 km deep · 35 km away
- 4.3114 km SE of Iquique, Chile · 2092 days ago · 96 km deep · 31 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dfat. Read Fri, Oct 2, 2026, 3:02 PM UTC.