4.0
Earthquake Details: Tarapaca, Chile
8/20/2026, 7:48:15 AM
A magnitude 4.0 earthquake occurred near Tarapaca, Chile on 8/20/2026 at 7:48:15 AM. The seismic event was recorded at a depth of -126 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-126 km
Significance0
Latitude-21.2600
Longitude-69.9100
Event IDemsc:20260820_0000296
Magnitude4.0
Updated:8/20/2026, 7:57:59 AM
External Resources
View on EMSC Official SiteLoading map...
Time & depth
- Local time
- 8/20/2026, 3:48:15 AM GMT-4
- UTC
- 8/20/2026, 7:48:15 AM UTC
-126 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.3105 km SW of Atocha, BoliviaBeforeM4.1Oruro, BoliviaBeforeM3.9Antofagasta, ChileBeforeM3.6Potosi, BoliviaBeforeM4.636 km WNW of Ollagüe, ChileBeforeM3.6Salta, ArgentinaBeforeM3.6Antofagasta, ChileBeforeM3.4Antofagasta, ChileBeforeM4.781 km W of San Antonio de los Cobres, ArgentinaBeforeM4.785 km S of Antofagasta, ChileBeforeM4.162 km W of Ollagüe, ChileAfterM3.4Antofagasta, ChileAfter
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: Aug 20, 2026, 07:57 AM UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. 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. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.