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Japan · Okinawa Prefecture

M3.3 Earthquake near Miyakojima, Okinawa Prefecture (Japan)

UTC time: 2026-09-02 01:27:30 UTC Local time: —
Magnitude
M3.3
Depth
20.0 km
Source
EMSC

Okinawa Prefecture · Miyakojima

Country overview

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About this earthquake

On September 2, 2026 at 01:27 UTC, a magnitude M3.3 earthquake occurred near Miyakojima, Okinawa Prefecture (Japan). The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.6.

Details

ID
b6e4c38cd506ae937a8a4d44c89df6345c37e10b
Magnitude
M3.3
Depth
20.0 km
UTC time
2026-09-02 01:27:30 UTC
Local time
—
Country
Japan
State
Okinawa Prefecture
City
Miyakojima
Source
emsc
Coordinates
24.90000, 125.10000
Temperature
28.5°C

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 (33.7 km)
Regional average: 33.7 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: 124 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 318 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 359 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 455 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Shimojishima AirportJapan · SHI · RORS
    9.3 kmStraight-line distance
  • Miyako AirportJapan · MMY · ROMY
    23.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Japan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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