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M5.5 Depth: 10.0 km

M5.5 Earthquake near Tonga Islands Region

UTC time: 2025-08-14 04:38:14 UTC Local time: —

About this earthquake

A magnitude M5.5 earthquake was recorded near Tonga Islands Region on August 14, 2025 at 04:38 UTC. 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 USP.

Details

Magnitude
M5.5
Depth
10.0 km
UTC time
2025-08-14 04:38:14 UTC
Local time
—
Country
—
Source
usp
Coordinates
-18.29854, -172.63141

Map

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
Alofi297.7 kmE624

GeoNames · CC BY 4.0

Volcanoes nearby

  • Fonualei
    Distance: 181 km ·Stratovolcano ·Elevation: 188 m ·Last eruption: 1957 ·Tonga
  • Tofua Arc at 18.3°S
    Distance: 183 km ·Stratovolcano ·Elevation: -40 m ·Last eruption: 2019 ·Tonga
  • Late
    Distance: 220 km ·Stratovolcano ·Elevation: 540 m ·Last eruption: 1854 ·Tonga
  • Home Reef
    Distance: 239 km ·Stratovolcano ·Elevation: -10 m ·Last eruption: 2026 ·Tonga
  • Lateiki
    Distance: 255 km ·Stratovolcano ·Elevation: 43 m ·Last eruption: 2019 ·Tonga
  • Kao
    Distance: 293 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1847 ·Tonga

Subsequent earthquakes nearby

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

First 6 hours2
First 24 hours2
First 72 hours2
Strongest subsequent eventM5.7
M5.72025-08-14 04:38:17 UTC60.9 km208 km ENE of Neiafu, Tonga M5.62025-08-14 04:38:17 UTC12.5 kmTonga Islands Region M4.92025-08-20 19:55:51 UTC149.4 kmSAMOA ISLANDS REGION M5.42025-08-23 15:49:54 UTC125.1 kmTonga Islands Region M5.22025-08-23 15:49:54 UTC143.9 kmSAMOA ISLANDS REGION

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥412
Earlier events M≥54
Compared since2025-01-05

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

Strongest earlier events

M5.12025-03-23 23:36:23 UTC120.1 km176 km ESE of Neiafu, Tonga M5.02025-04-16 07:30:18 UTC48.1 km135 km E of Neiafu, Tonga M5.02025-02-05 20:15:07 UTC85.4 km142 km ESE of Neiafu, Tonga M5.02025-01-28 21:06:28 UTC143.0 km13 km N of Neiafu, Tonga M4.92025-04-17 01:14:29 UTC141.6 km146 km SSE of Hihifo, Tonga

Stats (last 24h)

Global (24h)
587
Country (24h)
—
—
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