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M3.0 Depth: 36.6 km

M3.0 Earthquake near BIO-BIO, CHILE (Chile)

UTC time: 2025-10-28 09:36:07 UTC Local time: —

About this earthquake

A magnitude M3.0 earthquake was recorded near BIO-BIO, CHILE (Chile) on October 28, 2025 at 09:36 UTC. The hypocenter lay relatively close to the surface at around 37 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: 30 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M3.0
Depth
36.6 km
UTC time
2025-10-28 09:36:07 UTC
Local time
—
Country
Chile
City
Región del Biobío
Source
emsc
Coordinates
-37.73000, -73.17000
Temperature
11.9°C

Map

Depth profile

Depth profile Depth: 36.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.6 km
Shallow
36.6 km
36.6 km — shallower than the regional average (99.1 km)
Regional average: 99.1 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

  • Tolhuaca
    Distance: 148 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Callaqui
    Distance: 153 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Lonquimay
    Distance: 156 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·Chile
  • Antuco
    Distance: 164 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Llaima
    Distance: 165 km ·Stratovolcano ·Elevation: 3'125 m ·Last eruption: 2009 ·Chile
  • Copahue
    Distance: 175 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·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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