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M4.6 Depth: 35.0 km

M4.6 Earthquake near Miyakojima, Okinawa Prefecture (Japan)

UTC time: 2026-06-22 22:20:45 UTC Local time: —

About this earthquake

A magnitude M4.6 earthquake was recorded near Miyakojima, Okinawa Prefecture (Japan) on June 22, 2026 at 22:20 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Details

Magnitude
M4.6
Depth
35.0 km
UTC time
2026-06-22 22:20:45 UTC
Local time
—
Country
Japan
State
Okinawa Prefecture
City
Miyakojima
Source
usgs
Coordinates
24.78170, 125.41610
Temperature
28.5°C

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 km
35 km — close to the regional average (35.3 km)
Regional average: 35.3 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

Estimated impact

1 Felt reports · max reported intensity 2

Tectonic context

Located on the Okinawa Plate.
Near the boundary Yangtze ↔ Okinawa · about 81 km away

Volcanoes nearby

  • Submarine Volcano NNE of Iriomotejima
    Distance: 152 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 350 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 392 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 444 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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