M4.1 earthquake 158 km ESE of Iquique, Chile
A magnitude 4.1 earthquake struck 158 km ESE of Iquique, Chile on Thu, Aug 12, 2021, 2:10 PM GMT-4 (18:10 UTC), 108 km (67 mi) below the surface.
A larger quake followed: M4.9 136 km ESE 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-12 18:10:06 UTC
- Depth
- 107.8 km (67.0 mi), intermediate-depth
- Epicenter
- 20.888° S, 68.814° 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 6.2 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 64°
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.5128 km NNE of Calama, Chile · 1874 days ago · 105 km deep · 50 km away · felt by 2
- 4.3124 km N of Calama, Chile · 1873 days ago · 124 km deep · 50 km away
- 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 26 km away · felt by 9
- 4.1112 km E of Iquique, Chile · 1865 days ago · 104 km deep · 73 km away · felt by 3
- 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 64 km away · felt by 4
- 4.3160 km N of Calama, Chile · 1845 days ago · 104 km deep · 15 km away
- 4.5139 km E of Iquique, Chile · 1843 days ago · 118 km deep · 88 km away · felt by 1
- 4.4103 km NNE of Calama, Chile · 1835 days ago · 105 km deep · 84 km away
- 4.5142 km E of Iquique, Chile · 1833 days ago · 119 km deep · 51 km away · felt by 1
- 4.4138 km ESE of Iquique, Chile · 1830 days ago · 109 km deep · 22 km away · felt by 3
- 4.2150 km N of Calama, Chile · 1828 days ago · 136 km deep · 29 km away
- 4.5157 km N of Calama, Chile · 1828 days ago · 131 km deep · 24 km away · felt by 1
- 4.1101 km NNE of Calama, Chile · 1828 days ago · 130 km deep · 93 km away
- 4.2102 km N of Calama, Chile · 1822 days ago · 103 km deep · 74 km away
- 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 26 km away · felt by 3
Before
- 4.3141 km N of Calama, Chile · 1885 days ago · 134 km deep · 33 km away
- 4.4Tarapaca, Chile · 1889 days ago · 109 km deep · 71 km away · felt by 2
- 4.2103 km ESE of Iquique, Chile · 1891 days ago · 101 km deep · 60 km away · felt by 5
- 4.986 km NNE of Calama, Chile · 1899 days ago · 104 km deep · 93 km away · felt by 3
- 4.3132 km E of Iquique, Chile · 1902 days ago · 110 km deep · 52 km away · felt by 2
- 4.690 km NNE of Calama, Chile · 1904 days ago · 147 km deep · 96 km away
- 4.391 km NNE of Calama, Chile · 1906 days ago · 129 km deep · 96 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f4lu. Read Fri, Oct 2, 2026, 8:23 PM UTC.