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M3.4 Depth: 20.0 km

M3.4 Earthquake near Miyakojima, Okinawa Prefecture (Japan)

UTC time: 2026-07-30 19:59:30 UTC Local time: —

About this earthquake

A magnitude M3.4 earthquake was recorded near Miyakojima, Okinawa Prefecture (Japan) on July 30, 2026 at 19:59 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 6 earthquakes, the strongest at M5.0.

Details

Magnitude
M3.4
Depth
20.0 km
UTC time
2026-07-30 19:59:30 UTC
Local time
—
Country
Japan
State
Okinawa Prefecture
City
Miyakojima
Source
emsc
Coordinates
24.80000, 125.50000
Temperature
29.1°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
20 km — shallower than the regional average (32.2 km)
Regional average: 32.2 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

  • Submarine Volcano NNE of Iriomotejima
    Distance: 161 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 358 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 400 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 437 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·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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