M4.5 earthquake: Atocha, Bolivia
According to USGS, a magnitude 4.5 earthquake struck near Atocha, Bolivia on October 22, 2026. It was recorded at 10:45 PM GMT-4 at a depth of 236 km.
Magnitude and location may later be revised by USGS.
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Magnitude
M4.5
mb · Light
Depth
236 km
Intermediate
Time (UTC)
02:45:41 AM
October 23, 2026
Local time
10:45 PM
October 22, 2026 · GMT-4
Nearest towns and cities
The epicenter was about 190 km from Tarija.
- Tarija · 190 km W
- Potosí · 216 km SW
- Calama · 271 km NE
- Sucre · 291 km SW
- San Ramón de la Nueva Orán · 306 km NW
Earthquakes recorded nearby afterwards
No other earthquakes have been recorded within 50 km of the epicenter since this one.
Earthquake history of the area
From 1990 until this earthquake, 150 earthquakes of magnitude 4.5 or greater were recorded within 100 km of the epicenter. The largest was an M6.4 earthquake on September 15, 1999.
- M6.4Uyuni, Bolivia · 70 km SW · 218 kmUSGS
- M5.7Atocha, Bolivia · 133 km SW · 176 kmUSGS
- M5.4Ollagüe, Chile · 100 km E · 195 kmUSGS
- M5.4Ollagüe, Chile · 128 km SE · 175 kmUSGS
- M5.4Atocha, Bolivia · 82 km SW · 231 kmUSGS
- M5.4Atocha, Bolivia · 109 km SW · 201 kmUSGS
- M5.3Atocha, Bolivia · 137 km SW · 210 kmUSGS
- M5.3Atocha, Bolivia · 26 km W · 221 kmUSGS
Source: USGS earthquake catalogue (ComCat).
Frequently asked questions
Where was the October 22, 2026 earthquake near Atocha, Bolivia?
The earthquake occurred near Atocha, Bolivia at 21.347° S, 66.579° W, at a depth of 236 km. The nearest town was Tarija, about 190 km away.
How strong was the earthquake near Atocha, Bolivia?
USGS reported a magnitude of mb 4.5 (light). How strongly it was felt, and any damage, also depend on depth, distance from the epicenter and local ground conditions.
Were there aftershocks after the earthquake near Atocha, Bolivia?
No other earthquakes have been recorded within 50 km of the epicenter since this one.