M4.6 earthquake 134 km NNE of Calama, Chile
A magnitude 4.6 earthquake struck 134 km NNE of Calama, Chile on Thu, Apr 21, 2022, 3:27 PM GMT-4 (19:27 UTC), 119 km (74 mi) below the surface.
A larger quake followed: M4.8 159 km NNE 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
- 4.6 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-04-21 19:27:27 UTC
- Depth
- 118.7 km (73.8 mi), intermediate-depth
- Epicenter
- 21.385° S, 68.318° 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 I, not felt 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
- 4.6 Mwr
- Nodal plane 1
- Strike 336°, dip 62°, rake -78°
- Nodal plane 2
- Strike 132°, dip 31°, rake -111°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 4.7 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 14 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.6145 km NNE of Calama, Chile · 1624 days ago · 139 km deep · 30 km away
- 4.0146 km ESE of Iquique, Chile · 1620 days ago · 112 km deep · 88 km away · felt by 1
- 4.2105 km SW of Uyuni, Bolivia · 1620 days ago · 185 km deep · 94 km away
- 4.2148 km N of Calama, Chile · 1612 days ago · 124 km deep · 53 km away
- 4.437 km NNE of Calama, Chile · 1609 days ago · 122 km deep · 98 km away
- 4.0131 km N of Calama, Chile · 1603 days ago · 125 km deep · 56 km away
- 4.0145 km NNE of Calama, Chile · 1596 days ago · 135 km deep · 28 km away
- 4.2116 km SW of Uyuni, Bolivia · 1592 days ago · 211 km deep · 70 km away
- 4.2124 km N of Calama, Chile · 1591 days ago · 105 km deep · 48 km away
- 4.1142 km SE of Iquique, Chile · 1582 days ago · 109 km deep · 88 km away
- 4.3111 km NNE of Calama, Chile · 1581 days ago · 111 km deep · 38 km away
- 4.2140 km N of Calama, Chile · 1580 days ago · 127 km deep · 44 km away
- 4.8159 km NNE of Calama, Chile · 1576 days ago · 129 km deep · 26 km away · felt by 2
- 4.236 km NE of Calama, Chile · 1568 days ago · 112 km deep · 99 km away
Before
- 4.375 km NNE of Calama, Chile · 1631 days ago · 129 km deep · 60 km away
- 4.5154 km NNE of Calama, Chile · 1633 days ago · 131 km deep · 41 km away · felt by 3
- 4.0132 km N of Calama, Chile · 1635 days ago · 117 km deep · 54 km away
- 4.6153 km NNE of Calama, Chile · 1638 days ago · 128 km deep · 40 km away · felt by 1
- 4.239 km NNE of Calama, Chile · 1641 days ago · 115 km deep · 95 km away
- 4.3147 km N of Calama, Chile · 1641 days ago · 131 km deep · 61 km away
- 4.255 km NE of Calama, Chile · 1645 days ago · 126 km deep · 81 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000hfe1. Read Sun, Oct 4, 2026, 1:57 PM UTC.