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M5.1 Earthquake near SOUTHWESTERN RYUKYU ISL., JAPAN

UTC time: 2026-02-28 01:49:19 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Magnitude
M5.1
Depth
10.0 km
Source
EMSC

SOUTHWESTERN RYUKYU ISL., JAPAN

Map

M5.1 Earthquake near SOUTHWESTERN RYUKYU ISL., JAPAN · 2026-02-28 — Map showing the location of the epicenter
M5.1 Earthquake near SOUTHWESTERN RYUKYU ISL., JAPAN · 2026-02-28 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near SOUTHWESTERN RYUKYU ISL., JAPAN on February 28, 2026 at 01:49 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by EMSC.

Details

ID
4d69abaf1d08c9243d78b49bbb6ac17c89dab5d9
Magnitude
M5.1
Depth
10.0 km
UTC time
2026-02-28 01:49:19 UTC
Local time
—
Country
—
Source
emsc
Coordinates
25.18570, 125.03480
Temperature
22.3°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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Hirara50.3 kmSE34'354
Naha288.5 kmNE317'625
Taipei353.5 kmW7'871'900

GeoNames · CC BY 4.0

Volcanoes nearby

  • Submarine Volcano NNE of Iriomotejima
    Distance: 131 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 313 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 350 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 436 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Shimojishima AirportJapan · SHI · RORS
    41.4 kmStraight-line distance
  • Miyako AirportJapan · MMY · ROMY
    51.9 kmStraight-line distance
  • Tarama AirportJapan · TRA · RORT
    69.4 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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours2
First 24 hours7
First 72 hours15
Strongest subsequent eventM5.6
M5.22026-02-28 01:49:23 UTC12.9 kmNortheast of Taiwan M5.22026-02-28 05:53:56 UTC15.1 kmSouthwestern Ryukyu Islands, Japan M4.62026-02-28 11:18:50 UTC17.4 kmgong gu dao shi M5.12026-02-28 12:57:00 UTC16.4 kmEvent of magnitude 5.1, near of Taipei (Monde) M4.92026-02-28 21:39:28 UTC4.4 kmSOUTHWESTERN RYUKYU ISL., JAPAN M4.72026-02-28 21:39:30 UTC3.1 kmSouthwestern Ryukyu Islands, Japan M4.62026-02-28 21:41:52 UTC124.2 kmSouthwestern Ryukyu Islands, Japan M4.72026-03-01 04:54:09 UTC29.0 kmNORTHEAST OF TAIWAN M5.02026-03-02 04:56:26 UTC9.3 kmNORTHEAST OF TAIWAN M5.02026-03-02 04:56:28 UTC17.1 kmNortheast of Taiwan M5.12026-03-02 10:39:21 UTC16.3 kmSouthwestern Ryukyu Islands, Japan M5.62026-03-02 10:39:23 UTC10.6 kmNortheast of 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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥441
Earlier events M≥57
Compared since2025-01-01

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.22026-02-27 02:54:52 UTC5.4 kmSOUTHWESTERN RYUKYU ISL., JAPAN M5.12025-11-20 23:36:08 UTC48.8 kmNortheast of Taiwan M5.12025-11-20 23:36:07 UTC53.9 kmNORTHEAST OF TAIWAN M5.12025-03-22 22:14:27 UTC60.3 km110 km NNW of Hirara, Japan M5.02025-11-20 23:36:11 UTC109.7 kmEvent of magnitude 5.0, near of Taipei (Monde)

Stats (last 24h)

Global (24h)
684
Country (24h)
—
—
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