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M3.1 Depth: 10.0 km

M3.1 Earthquake near Itoshima, Fukuoka Prefecture (Japan)

UTC time: 2026-08-17 23:21:30 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Itoshima, Fukuoka Prefecture (Japan) on August 17, 2026 at 23:21 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Japan: over the past 24 hours, QuakeMap24 logged 6 earthquakes, the strongest at M5.0.

Details

Magnitude
M3.1
Depth
10.0 km
UTC time
2026-08-17 23:21:30 UTC
Local time
—
Country
Japan
State
Fukuoka Prefecture
City
Itoshima
Source
emsc
Coordinates
33.50000, 130.10000
Temperature
26.8°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (32.8 km)
Regional average: 32.8 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

  • Unzendake
    Distance: 84 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan
    Distance: 114 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kujusan
    Distance: 116 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Yufu-Tsurumi
    Distance: 122 km ·Lava dome(s) ·Last eruption: 867 ·Japan
  • Fukue
    Distance: 150 km ·Volcanic field ·Elevation: 315 m ·Last eruption: -400 ·Japan
  • Abu
    Distance: 170 km ·Volcanic field ·Elevation: 641 m ·Last eruption: -6850 ·Japan

Historic earthquake map · Japan

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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