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M5.6 Earthquake near Northern Mariana Islands-Guam [Sea]

UTC time: 2025-12-15 23:06:14 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
M5.6
Depth
99.2 km
Source
INGV

Northern Mariana Islands-Guam [Sea]

Map

M5.6 Earthquake near Northern Mariana Islands-Guam [Sea] · 2025-12-15 — Map showing the location of the epicenter
M5.6 Earthquake near Northern Mariana Islands-Guam [Sea] · 2025-12-15 — Map showing the location of the epicenter

About this earthquake

On December 15, 2025 at 23:06 UTC, a magnitude M5.6 earthquake occurred near Northern Mariana Islands-Guam [Sea]. At around 99 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 INGV.

Details

ID
d02ac84ad9ad87adfb81ab0468ae4d5923971c3a
Magnitude
M5.6
Depth
99.2 km
UTC time
2025-12-15 23:06:14 UTC
Local time
—
Country
—
Source
ingv
Coordinates
14.30860, 145.90500
Temperature
28.4°C

Depth profile

Depth profile Depth: 99.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 99.2 km
Intermediate
99.2 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
Saipan101.8 kmN48'220

GeoNames · CC BY 4.0

Volcanoes nearby

  • Esmeralda Bank
    Distance: 101 km ·Stratovolcano ·Elevation: -74 m ·United States
  • NW Rota-1
    Distance: 126 km ·Stratovolcano ·Elevation: -455 m ·Last eruption: 2010 ·United States
  • Ruby
    Distance: 149 km ·Stratovolcano ·Elevation: -174 m ·Last eruption: 2023 ·United States
  • East Diamante
    Distance: 182 km ·Stratovolcano ·Elevation: -127 m ·United States
  • Mariana Back-Arc Segment at 15.5°N
    Distance: 194 km ·Fissure vent ·Elevation: -4'100 m ·Last eruption: 2015 ·United States
  • Anatahan
    Distance: 228 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
    73.1 kmStraight-line distance
  • Francisco Manglona Borja / Tinian International AirportNorthern Mariana Islands · TIQ · PGWT
    82.7 kmStraight-line distance
  • Saipan International AirportNorthern Mariana Islands · SPN · PGSN
    92.1 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

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#7
Earlier events M≥455
Earlier events M≥521
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 UTC137.2 km117 km ESE of Yigo Village, Guam M6.02025-08-10 04:56:48 UTC148.8 km93 km ESE of Inarajan Village, Guam M6.02025-03-01 20:02:12 UTC99.2 km M5.92025-08-10 04:56:48 UTC148.8 kmGUAM REGION M5.82025-12-15 23:06:04 UTC19.2 kmEvent of magnitude 5.8, near of Jayapura (Monde)

Stats (last 24h)

Global (24h)
623
Country (24h)
—
—
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