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M3.9 Depth: 43.0 km

M3.9 Earthquake near OFFSHORE ATACAMA, CHILE (Chile)

UTC time: 2025-08-21 10:18:43 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near OFFSHORE ATACAMA, CHILE (Chile) on August 21, 2025 at 10:18 UTC. With a focal depth of about 43 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: 35 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M3.9
Depth
43.0 km
UTC time
2025-08-21 10:18:43 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-28.85000, -71.50000
Temperature
14.6°C

Map

Depth profile

Depth profile Depth: 43 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 43 km
Shallow
43 km
43 km — shallower than the regional average (99.2 km)
Regional average: 99.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Solo, El
    Distance: 335 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Tipas
    Distance: 342 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 349 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 374 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Falso Azufre
    Distance: 383 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Nevada, Sierra
    Distance: 390 km ·Complex ·Elevation: 6'173 m ·Chile-Argentina

Historic earthquake map · Chile

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Chile

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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