M4.7 earthquake 147 km N of Calama, Chile
A magnitude 4.7 earthquake struck 147 km N of Calama, Chile on Wed, Jul 7, 2021, 1:28 PM GMT-4 (17:28 UTC), 118 km (73 mi) below the surface.
A larger quake followed: M5.2 150 km E of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-07-07 17:28:14 UTC
- Depth
- 118.2 km (73.5 mi), intermediate-depth
- Epicenter
- 21.139° S, 68.701° 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 II, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 4.7 Mwr
- Nodal plane 1
- Strike 324°, dip 82°, rake -78°
- Nodal plane 2
- Strike 88°, dip 14°, rake -145°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.8 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 41°
- Stations used
- 106
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 16 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.461 km NNE of Calama, Chile · 1912 days ago · 125 km deep · 91 km away
- 5.2150 km E of Iquique, Chile · 1912 days ago · 108 km deep · 91 km away · felt by 38
- 4.391 km NNE of Calama, Chile · 1906 days ago · 129 km deep · 66 km away · felt by 1
- 4.690 km NNE of Calama, Chile · 1904 days ago · 147 km deep · 66 km away
- 4.3132 km E of Iquique, Chile · 1902 days ago · 110 km deep · 82 km away · felt by 2
- 4.986 km NNE of Calama, Chile · 1899 days ago · 104 km deep · 64 km away · felt by 3
- 4.475 km NNE of Calama, Chile · 1899 days ago · 139 km deep · 79 km away · felt by 1
- 4.2103 km ESE of Iquique, Chile · 1891 days ago · 101 km deep · 89 km away · felt by 5
- 4.3141 km N of Calama, Chile · 1885 days ago · 134 km deep · 10 km away
- 4.0107 km WSW of Colchani, Bolivia · 1884 days ago · 203 km deep · 99 km away
- 5.287 km NE of Calama, Chile · 1882 days ago · 137 km deep · 85 km away · felt by 8
- 4.1158 km ESE of Iquique, Chile · 1877 days ago · 108 km deep · 30 km away
- 4.5128 km NNE of Calama, Chile · 1874 days ago · 105 km deep · 20 km away · felt by 2
- 4.3124 km N of Calama, Chile · 1873 days ago · 124 km deep · 26 km away
- 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 46 km away · felt by 9
- 4.5149 km SW of Uyuni, Bolivia · 1864 days ago · 206 km deep · 80 km away
Before
- 4.0119 km N of Calama, Chile · 1918 days ago · 126 km deep · 28 km away
- 4.0150 km ESE of Iquique, Chile · 1918 days ago · 107 km deep · 33 km away
- 4.0138 km N of Calama, Chile · 1921 days ago · 117 km deep · 10 km away
- 4.3134 km NNE of Calama, Chile · 1923 days ago · 110 km deep · 39 km away
- 4.398 km NNE of Calama, Chile · 1925 days ago · 111 km deep · 64 km away
- 4.2Chile-Bolivia border region · 1931 days ago · 135 km deep · 45 km away
- 4.5153 km ESE of Iquique, Chile · 1939 days ago · 118 km deep · 37 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000esy6. Read Fri, Oct 2, 2026, 8:23 PM UTC.