4.5
Earthquake Details: 58 km SW of Atocha, Bolivia
Oct 23, 2026, 02:45:41
- Depth
- 235.83 km
- Felt reports
- No data
Source: USGSUpdated: Oct 23, 2026, 02:59 AM UTC
A magnitude 4.5 earthquake occurred on Oct 23, 2026 at 02:45:41. Epicenter: 58 km SW of Atocha, Bolivia. Reported depth: 235.83 km.
Tsunami information
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Time & depth
- Local time
- Oct 22, 2026, 22:45:41 GMT-4
- UTC
- Oct 23, 2026, 02:45:41 UTC
235.83 km · Intermediate-focus
Between 70 and 300 km deep.
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Nearby major cities
Nearby earthquakes · 12
M3.8Antofagasta, ChileBeforeM3.6Jujuy, ArgentinaBeforeM3.8Salta, ArgentinaBeforeM3.8Salta, ArgentinaBeforeM4.0Antofagasta, ChileBeforeM4.0Salta, ArgentinaBeforeM4.649 km S of Ollagüe, ChileBeforeM3.9Jujuy, ArgentinaBeforeM4.5102 km W of San Antonio de los Cobres, ArgentinaBeforeM3.7Antofagasta, ChileAfterM3.6Antofagasta, ChileAfterM3.9Potosí, BoliviaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 4.5
us6000u49c
- Depth:
- 235.83 km
- Time:
- Updated:
- Oct 23, 2026, 02:59 AM UTC
Technical Details
Depth235.83 km
Significance312
Latitude-21.3469
Longitude-66.5795
Event IDus6000u49c
Magnitude4.5
Updated:Oct 23, 2026, 02:59:08 UTC
Regional Seismicity
External Resources
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 23, 2026, 02:59 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0.
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).