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Chile · Biobio Region

M2.9 Earthquake near Arauco, Biobio Region (Chile)

UTC time: 2026-10-10 23:02:22 UTC Local time: —

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About this earthquake

On October 10, 2026 at 23:02 UTC, a magnitude M2.9 earthquake occurred near Arauco, Biobio Region (Chile). With a focal depth of about 22 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 21 earthquakes, the strongest at M3.3.

Details

ID
fc7b1279dc6005168751cf8298dfa01cba76efd0
Magnitude
M2.9
Depth
21.7 km
UTC time
2026-10-10 23:02:22 UTC
Local time
—
Country
Chile
State
Biobio Region
City
Arauco
County
Provincia de Arauco
Source
emsc
Coordinates
-37.33000, -73.44000
Temperature
11.9°C

Depth profile

Depth profile Depth: 21.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.7 km
Shallow
21.7 km
21.7 km — shallower than the regional average (99.7 km)
Regional average: 99.7 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

  • Antuco
    Distance: 185 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Callaqui
    Distance: 188 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Chillan, Nevados de
    Distance: 190 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Tolhuaca
    Distance: 192 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Lonquimay
    Distance: 200 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·Chile
  • Copahue
    Distance: 207 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina

Chile

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 6,379 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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