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M3.1 Depth: 30.0 km

M3.1 Earthquake near Kunigami, Okinawa Prefecture (Japan)

UTC time: 2026-08-03 13:21:30 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Kunigami, Okinawa Prefecture (Japan) on August 3, 2026 at 13:21 UTC. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 7 earthquakes, the strongest at M3.7.

Details

Magnitude
M3.1
Depth
30.0 km
UTC time
2026-08-03 13:21:30 UTC
Local time
—
Country
Japan
State
Okinawa Prefecture
City
Kunigami
County
Kunigami
Village
Kunigami
Source
emsc
Coordinates
26.90000, 128.20000
Temperature
30.1°C

Map

Depth profile

Depth profile Depth: 30 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30 km
Shallow
30 km
30 km — close to 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

  • Io-Torishima
    Distance: 109 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan
  • Yokoatejima
    Distance: 225 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Akusekijima
    Distance: 316 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima
    Distance: 339 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 367 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 381 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·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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