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M3.7 Depth: 20.0 km

M3.7 Earthquake near SHIKOKU, JAPAN

UTC time: 2025-08-18 22:17:30 UTC Local time: —

About this earthquake

A magnitude M3.7 earthquake was recorded near SHIKOKU, JAPAN on August 18, 2025 at 22:17 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 often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M3.7
Depth
20.0 km
UTC time
2025-08-18 22:17:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
32.20000, 132.10000
Temperature
29.0°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

  • Kirishimayama
    Distance: 120 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Asosan
    Distance: 122 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kujusan
    Distance: 127 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Yufu-Tsurumi
    Distance: 137 km ·Lava dome(s) ·Elevation: 1'584 m ·Last eruption: 867 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 150 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Aira
    Distance: 153 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan

Stats (last 24h)

Global (24h)
523
Country (24h)
—
—
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