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M5.4 Earthquake near South of Mariana Islands

UTC time: 2026-02-23 03:16:48 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. How our reports are produced ↗

Magnitude
M5.4
Depth
10.0 km
Source
GFZ

South of Mariana Islands

Map

M5.4 Earthquake near South of Mariana Islands · 2026-02-23 — Map showing the location of the epicenter
M5.4 Earthquake near South of Mariana Islands · 2026-02-23 — Map showing the location of the epicenter

About this earthquake

On February 23, 2026 at 03:16 UTC, a magnitude M5.4 earthquake occurred near South of Mariana Islands. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

ID
42484d12e6500f31d667cea0d4c2506396826c0c
Magnitude
M5.4
Depth
10.0 km
UTC time
2026-02-23 03:16:48 UTC
Local time
—
Country
—
Source
gfz
Coordinates
13.35000, 143.09000
Temperature
27.2°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
Hagåtña180.0 kmE1'051

GeoNames · CC BY 4.0

Volcanoes nearby

  • Forecast Seamount
    Distance: 90 km ·Stratovolcano ·Elevation: -1'456 m ·United States
  • Seamount X
    Distance: 101 km ·Stratovolcano ·Elevation: -1'230 m ·United States
  • NW Rota-1
    Distance: 229 km ·Stratovolcano ·Elevation: -455 m ·Last eruption: 2010 ·United States
  • Mariana Back-Arc Segment at 15.5°N
    Distance: 275 km ·Fissure vent ·Elevation: -4'100 m ·Last eruption: 2015 ·United States
  • Esmeralda Bank
    Distance: 294 km ·Stratovolcano ·Elevation: -74 m ·United States
  • Ruby
    Distance: 366 km ·Stratovolcano ·Elevation: -174 m ·Last eruption: 2023 ·United States

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#11
Earlier events M≥429
Earlier events M≥511
Compared since2025-01-01

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

Strongest earlier events

M6.02025-11-04 07:37:25 UTC103.7 kmNorthern Mariana Islands-Guam [Sea] M5.92025-11-04 07:37:23 UTC107.3 km192 km WSW of Merizo Village, Guam M5.92025-11-04 07:37:23 UTC102.4 kmGUAM REGION M5.92025-11-04 07:37:22 UTC100.8 kmSouth of Mariana Islands M5.92025-09-04 10:04:16 UTC148.3 km

Stats (last 24h)

Global (24h)
640
Country (24h)
—
—
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