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M4.2 Depth: 20.0 km

M4.2 Earthquake near OFF COAST OF HOKKAIDO, JAPAN

UTC time: 2025-08-23 09:36:30 UTC Local time: —

About this earthquake

A magnitude M4.2 earthquake was recorded near OFF COAST OF HOKKAIDO, JAPAN on August 23, 2025 at 09:36 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC.

Details

Magnitude
M4.2
Depth
20.0 km
UTC time
2025-08-23 09:36:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
42.90000, 146.60000
Temperature
17.8°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 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

  • Tomariyama [Golovnin]
    Distance: 137 km ·Caldera ·Elevation: 535 m ·Last eruption: 1848 ·Japan - administered by Russia
  • Raususan [Mendeleev]
    Distance: 139 km ·Stratovolcano ·Elevation: 882 m ·Last eruption: 1880 ·Japan - administered by Russia
  • Chachadake [Tiatia]
    Distance: 164 km ·Stratovolcano ·Elevation: 1'822 m ·Last eruption: 1981 ·Japan - administered by Russia
  • Berutarubesan [Berutarube]
    Distance: 176 km ·Stratovolcano ·Elevation: 1'221 m ·Japan - administered by Russia
  • Tenchozan
    Distance: 176 km ·Crater rows ·Elevation: 1'046 m ·Japan
  • Ruruidake [Smirnov]
    Distance: 177 km ·Stratovolcano ·Elevation: 1'447 m ·Japan - administered by Russia

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
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