M4.7 earthquake 43 km SW of Ollagüe, Chile
A magnitude 4.7 earthquake struck 43 km SW of Ollagüe, Chile on Tue, Aug 22, 2023, 3:45 AM GMT-4 (07:45 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M5.3 Tarapaca, 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
- 2023-08-22 07:45:24 UTC
- Depth
- 103.4 km (64.3 mi), intermediate-depth
- Epicenter
- 21.546° S, 68.498° 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.
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 210°, dip 21°, rake -64°
- Nodal plane 2
- Strike 3°, dip 71°, rake -99°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.1 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 69°
- Stations used
- 64
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 17 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.244 km S of Ollagüe, Chile · 1138 days ago · 168 km deep · 33 km away
- 4.222 km SSE of Ollagüe, Chile · 1121 days ago · 110 km deep · 38 km away
- 4.240 km SSW of Ollagüe, Chile · 1120 days ago · 131 km deep · 9 km away
- 5.3Tarapaca, Chile · 1118 days ago · 111 km deep · 99 km away · felt by 16
- 4.456 km S of Ollagüe, Chile · 1118 days ago · 115 km deep · 32 km away
- 4.373 km NNE of Calama, Chile · 1116 days ago · 124 km deep · 39 km away
- 4.486 km SE of La Tirana, Chile · 1116 days ago · 112 km deep · 97 km away · felt by 4
- 4.254 km ESE of Ollagüe, Chile · 1115 days ago · 228 km deep · 81 km away
- 4.253 km WNW of Ollagüe, Chile · 1108 days ago · 111 km deep · 54 km away
- 4.4Antofagasta, Chile · 1108 days ago · 122 km deep · 81 km away
- 4.354 km W of Ollagüe, Chile · 1107 days ago · 126 km deep · 52 km away
- 4.359 km WNW of Ollagüe, Chile · 1102 days ago · 105 km deep · 62 km away · felt by 1
- 4.230 km WSW of Ollagüe, Chile · 1101 days ago · 107 km deep · 29 km away
- 4.574 km SSW of Ollagüe, Chile · 1098 days ago · 122 km deep · 35 km away
- 4.454 km SW of Ollagüe, Chile · 1093 days ago · 139 km deep · 11 km away
- 4.164 km NNE of Calama, Chile · 1092 days ago · 99 km deep · 47 km away
- 4.375 km NNE of Calama, Chile · 1083 days ago · 136 km deep · 35 km away
Before
- 4.142 km NE of Calama, Chile · 1158 days ago · 127 km deep · 73 km away
- 4.356 km NNE of Calama, Chile · 1159 days ago · 132 km deep · 54 km away
- 4.5Antofagasta, Chile · 1161 days ago · 115 km deep · 74 km away
- 4.338 km SE of Ollagüe, Chile · 1166 days ago · 134 km deep · 51 km away
- 4.066 km NNE of Calama, Chile · 1166 days ago · 124 km deep · 46 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kq2f. Read Sun, Oct 4, 2026, 2:41 PM UTC.