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M4.9 Earthquake near RYUKYU ISLANDS, JAPAN

UTC time: 2025-09-20 04:46:34 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.9
Depth
10.0 km
Source
EMSC

RYUKYU ISLANDS, JAPAN

Map

About this earthquake

On September 20, 2025 at 04:46 UTC, a magnitude M4.9 earthquake occurred near RYUKYU ISLANDS, JAPAN. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC.

Details

ID
3b872d60a22c3332e5682f01382d5e58e43a535b
Magnitude
M4.9
Depth
10.0 km
UTC time
2025-09-20 04:46:34 UTC
Local time
—
Country
—
Source
emsc
Coordinates
24.07870, 126.23320
Temperature
29.4°C

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
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: 240 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 441 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Io-Torishima
    Distance: 467 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan
  • Tatun Volcanic Group
    Distance: 489 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
593
Country (24h)
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