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M5.0 Earthquake near 58 km SSW of Merizo Village, Guam

UTC time: 2026-07-21 11:09:45 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M5.0
Depth
12.2 km
Source
USGS

58 km SSW of Merizo Village, Guam

Map

M5.0 Earthquake near 58 km SSW of Merizo Village, Guam · 2026-07-21 — Map showing the location of the epicenter
M5.0 Earthquake near 58 km SSW of Merizo Village, Guam · 2026-07-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.0 earthquake was recorded near 58 km SSW of Merizo Village, Guam on July 21, 2026 at 11:09 UTC. With a focal depth of about 12 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 USGS.

Details

ID
1452cfc8bd76154c0f1799d334aa4c104ce6f30e
Magnitude
M5.0
Depth
12.2 km
UTC time
2026-07-21 11:09:45 UTC
Local time
—
Country
—
Source
usgs
Coordinates
12.82160, 144.38140
Temperature
28.9°C

Depth profile

Depth profile Depth: 12.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.2 km
Shallow
12.2 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

Felt reports

2felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Jul 21, 2026, 11:16 AM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Estimated impact

3 Felt reports · max reported intensity 3.8

Tectonic context

Located on the Mariana Plate.
Near the boundary Philippine Sea ↔ Mariana · about 81 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Hagåtña82.9 kmNE1'051

GeoNames · CC BY 4.0

Volcanoes nearby

  • Seamount X
    Distance: 62 km ·Stratovolcano ·Elevation: -1'230 m ·United States
  • Forecast Seamount
    Distance: 81 km ·Stratovolcano ·Elevation: -1'456 m ·United States
  • NW Rota-1
    Distance: 202 km ·Stratovolcano ·Elevation: -455 m ·Last eruption: 2010 ·United States
  • Esmeralda Bank
    Distance: 255 km ·Stratovolcano ·Elevation: -74 m ·United States
  • Mariana Back-Arc Segment at 15.5°N
    Distance: 288 km ·Fissure vent ·Elevation: -4'100 m ·Last eruption: 2015 ·United States
  • Ruby
    Distance: 335 km ·Stratovolcano ·Elevation: -174 m ·Last eruption: 2023 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Antonio B. Won Pat International AirportGuam · GUM · PGUM
    86.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Comparison of seismic sources

4 sources currently report magnitudes from M5.0 to M5.1.

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

SourceMagnitudeDepthPosition difference
EMSCM5.012.2 km0.0 km
ISCM5.012.0 km0.1 km
USGSM5.012.2 km0.0 km
GFZM5.110.0 km15.2 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#41
Earlier events M≥495
Earlier events M≥550
Compared since2025-01-01

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

Strongest earlier events

M6.12025-05-28 13:34:16 UTC61.0 km51 km SSE of Inarajan Village, Guam M6.02025-11-04 07:37:25 UTC135.1 kmNorthern Mariana Islands-Guam [Sea] M6.02025-08-10 04:56:48 UTC137.0 km93 km ESE of Inarajan Village, Guam M6.02025-03-01 20:02:12 UTC148.8 km M5.92025-11-04 07:37:23 UTC143.5 km192 km WSW of Merizo Village, Guam

Stats (last 24h)

Global (24h)
504
Country (24h)
—
—
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