M5.9 Earthquake near Mariana Islands

UTC time: 2025-12-15 23:06:18 UTC Local time: —

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

M5.9

Depth: 149.0 km
Source: GFZ

Mariana Islands

Map

About this earthquake

On December 15, 2025 at 23:06 UTC, a magnitude M5.9 earthquake occurred near Mariana Islands. At around 149 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

677c318f5680138dfa8e5a842e8e8b29e21bd4b2

Magnitude

M5.9

Depth

149.0 km

UTC time

2025-12-15 23:06:18 UTC

Local time

—

Country

—

Source

gfz

Coordinates

14.36000, 145.89000

Temperature

28.4°C

Depth profile

Intermediate

149 km

Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation

Saipan95.9 kmN48'220

GeoNames · CC BY 4.0

Volcanoes nearby

Esmeralda Bank

Distance: 96 km ·Stratovolcano ·Elevation: -74 m ·United States
NW Rota-1

Distance: 123 km ·Stratovolcano ·Elevation: -455 m ·Last eruption: 2010 ·United States
Ruby

Distance: 143 km ·Stratovolcano ·Elevation: -174 m ·Last eruption: 2023 ·United States
East Diamante

Distance: 176 km ·Stratovolcano ·Elevation: -127 m ·United States
Mariana Back-Arc Segment at 15.5°N

Distance: 189 km ·Fissure vent ·Elevation: -4'100 m ·Last eruption: 2015 ·United States
Anatahan

Distance: 223 km ·Stratovolcano ·Elevation: 790 m ·Last eruption: 2008 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

Rota International AirportNorthern Mariana Islands · ROP · PGRO
72.9 kmStraight-line distance
Francisco Manglona Borja / Tinian International AirportNorthern Mariana Islands · TIQ · PGWT
76.8 kmStraight-line distance
Saipan International AirportNorthern Mariana Islands · SPN · PGSN
86.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-09

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 hours0

First 24 hours0

First 72 hours0

Strongest subsequent eventM5.2

M5.22026-01-07 18:01:47 UTC62.1 kmUnited States M4.92026-01-07 18:02:01 UTC79.0 km64 km NE of Yigo Village, Guam

Comparison of seismic sources

3 sources currently report magnitudes from M5.6 to M5.9.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference

USPM5.610.0 km30.7 km

NNSNM5.699.6 km5.6 km

GFZM5.9149.0 km0.0 km

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#3

Earlier events M≥454

Earlier events M≥520

Compared since2025-01-10

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

Strongest earlier events

M6.12025-08-10 04:56:49 UTC142.9 km117 km ESE of Yigo Village, Guam M6.02025-03-01 20:02:12 UTC104.1 km M5.82025-12-15 23:06:04 UTC14.6 kmEvent of magnitude 5.8, near of Jayapura (Monde) M5.82025-08-10 04:56:50 UTC139.0 kmMariana Islands M5.72025-12-15 23:06:15 UTC5.6 km72 km SSE of San Jose Village, Northern Mariana Islands

Stats (last 24h)

Global (24h)

624

Country (24h)

—

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