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Chile · Antofagasta Region

M5.1 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-07-22 17:34:37 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.1
Depth
108.7 km
Source
USGS

Antofagasta Region · San Pedro de Atacama

Country overview

Map

M5.1 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile) · 2026-07-22 — Map showing the location of the epicenter
M5.1 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile) · 2026-07-22 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near San Pedro de Atacama, Antofagasta Region (Chile) on July 22, 2026 at 17:34 UTC. At around 109 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 30 earthquakes, the strongest at M4.0.

Depth profile

Depth profile Depth: 108.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 108.7 km
Intermediate
108.7 km
108.7 km — close to the regional average (99.8 km)
Regional average: 99.8 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Tectonic context

Located on the South America Plate.
Near the boundary Altiplano ↔ South America · about 209 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Calama110.1 kmN166'334
Salta353.2 kmSE520'683

GeoNames · CC BY 4.0

Volcanoes nearby

  • Tilocalar
    Distance: 77 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Tujle, Cerro
    Distance: 77 km ·Maar ·Elevation: 3'550 m ·Chile
  • Lascar
    Distance: 81 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile
  • Chiliques
    Distance: 87 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Purico Complex
    Distance: 90 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Licancabur
    Distance: 90 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours3
First 24 hours9
First 72 hours32
Strongest subsequent eventM5.4
M3.52026-07-22 18:15:11 UTC123.5 kmCalama M3.32026-07-22 19:57:53 UTC132.7 kmSan Pedro de Atacama M2.72026-07-22 21:32:50 UTC108.7 kmCalama M2.82026-07-22 23:37:15 UTC110.6 kmCalama M2.72026-07-23 00:09:15 UTC136.7 kmSan Pedro de Atacama M3.12026-07-23 00:37:45 UTC139.6 kmMunicipio de San Antonio de los Cobres M4.72026-07-23 01:56:00 UTC55.5 kmSierra Gorda M3.42026-07-23 04:22:56 UTC118.1 kmSan Pedro de Atacama M2.72026-07-23 08:06:03 UTC78.3 kmSierra Gorda M2.72026-07-23 18:31:18 UTC123.8 kmSan Pedro de Atacama M2.62026-07-23 19:11:56 UTC129.8 kmCalama M2.72026-07-23 21:06:44 UTC131.1 kmMaría Elena

Comparison of seismic sources

3 sources currently report magnitudes from M4.9 to M5.1.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
EMSCM5.1108.7 km0.0 km
GFZM4.9111.0 km12.0 km
USGSM5.1108.7 km0.0 km

Antofagasta Region

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 527 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#20
Earlier events M≥4284
Earlier events M≥527
Compared since2025-01-01

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.92026-05-25 21:52:20 UTC110.5 kmCalama M6.92026-05-25 21:52:18 UTC106.4 kmCalama M6.92026-05-25 21:52:21 UTC102.3 kmSan Pedro de Atacama M6.82026-05-25 21:52:18 UTC94.0 kmCalama M6.52026-05-25 21:52:10 UTC105.9 kmCalama

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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