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M4.6 Depth: 22.0 km

M4.6 Earthquake near OFFSHORE BIO-BIO, CHILE (Chile)

UTC time: 2025-07-16 12:03:12 UTC Local time: —

About this earthquake

On July 16, 2025 at 12:03 UTC, a magnitude M4.6 earthquake occurred near OFFSHORE BIO-BIO, CHILE (Chile). The hypocenter lay relatively close to the surface at around 22 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC. Chile: 32 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude
M4.6
Depth
22.0 km
UTC time
2025-07-16 12:03:12 UTC
Local time
—
Country
Chile
City
Región del Biobío
Source
emsc
Coordinates
-37.96720, -73.46870
Temperature
9.9°C

Map

Depth profile

Depth profile Depth: 22 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22 km
Shallow
22 km
22 km — shallower than the regional average (99.2 km)
Regional average: 99.2 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: 164 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Lonquimay
    Distance: 171 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·Chile
  • Llaima
    Distance: 172 km ·Stratovolcano ·Elevation: 3'125 m ·Last eruption: 2009 ·Chile
  • Callaqui
    Distance: 177 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Antuco
    Distance: 197 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Copahue
    Distance: 201 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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