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M3.5 Depth: 83.5 km

M3.5 Earthquake near BIO-BIO, CHILE (Chile)

UTC time: 2025-10-01 11:53:20 UTC Local time: —

About this earthquake

A magnitude M3.5 earthquake was recorded near BIO-BIO, CHILE (Chile) on October 1, 2025 at 11:53 UTC. The earthquake originated at an intermediate depth of about 84 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 39 earthquakes, the strongest at M3.8.

Details

Magnitude
M3.5
Depth
83.5 km
UTC time
2025-10-01 11:53:20 UTC
Local time
—
Country
Chile
City
Región del Biobío
Source
emsc
Coordinates
-37.95000, -72.10000
Temperature
14.8°C

Map

Depth profile

Depth profile Depth: 83.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 83.5 km
Intermediate
83.5 km
83.5 km — close to the regional average (99.1 km)
Regional average: 99.1 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

  • Tolhuaca
    Distance: 56 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Callaqui
    Distance: 57 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Lonquimay
    Distance: 66 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·Chile
  • Copahue
    Distance: 81 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina
  • Llaima
    Distance: 89 km ·Stratovolcano ·Elevation: 3'125 m ·Last eruption: 2009 ·Chile
  • Antuco
    Distance: 90 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile

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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