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Chile · Biobio Region

M3.7 Earthquake near Antuco, Biobio Region (Chile)

UTC time: 2026-08-26 04:25:27 UTC Local time: —

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About this earthquake

On August 26, 2026 at 04:25 UTC, a magnitude M3.7 earthquake occurred near Antuco, Biobio Region (Chile). At around 147 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 21 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

ID
2fb5f860fe36a99ad1b25d22b6bfb97f23ef92cd
Magnitude
M3.7
Depth
146.8 km
UTC time
2026-08-26 04:25:27 UTC
Local time
—
Country
Chile
State
Biobio Region
City
Antuco
County
Provincia de Bío-Bío
Source
emsc
Coordinates
-37.27000, -71.33000
Temperature
-0.6°C

Depth profile

Depth profile Depth: 146.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 146.8 km
Intermediate
146.8 km
146.8 km — deeper than the regional average (99.7 km)
Regional average: 99.7 km
Why depth matters

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

Depth classes per USGS

Volcanoes nearby

  • Antuco
    Distance: 15 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Chillan, Nevados de
    Distance: 45 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Copahue
    Distance: 66 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina
  • Callaqui
    Distance: 74 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Resago, Volcan
    Distance: 98 km ·Pyroclastic cone ·Elevation: 1'890 m ·Chile
  • Blancas, Lomas
    Distance: 113 km ·Stratovolcano ·Elevation: 2'268 m ·Chile

Chile

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 2,749 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

Historic earthquake map · Chile

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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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