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Chile

M2.7 Earthquake near BIO-BIO, CHILE (Chile)

UTC time: 2025-10-21 19:59:26 UTC Local time: —

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About this earthquake

On October 21, 2025 at 19:59 UTC, a magnitude M2.7 earthquake occurred near BIO-BIO, CHILE (Chile). The hypocenter lay relatively close to the surface at around 25 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 26 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
823b88de1dddd67b655ade334915bcc97c348f7c
Magnitude
M2.7
Depth
25.0 km
UTC time
2025-10-21 19:59:26 UTC
Local time
—
Country
Chile
City
Región del Biobío
Source
emsc
Coordinates
-36.69000, -72.97000
Temperature
13.4°C

Depth profile

Depth profile Depth: 25 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25 km
Shallow
25 km
25 km — shallower than the regional average (99.3 km)
Regional average: 99.3 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

  • Chillan, Nevados de
    Distance: 143 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Antuco
    Distance: 164 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Longavi, Nevado de
    Distance: 171 km ·Stratovolcano ·Elevation: 3'175 m ·Last eruption: -4890 ·Chile
  • Blancas, Lomas
    Distance: 181 km ·Stratovolcano ·Elevation: 2'268 m ·Chile
  • Resago, Volcan
    Distance: 186 km ·Pyroclastic cone ·Elevation: 1'890 m ·Chile
  • Callaqui
    Distance: 193 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Carriel Sur International AirportChile · CCP · SCIE
    12.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-09

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Región del Biobío

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 2.0 · 31 Catalogue entries

Of 30 other entries for this area and period, 26 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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