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M5.5 Depth: 37.7 km

M5.5 Earthquake near TONGA

UTC time: 2025-08-12 13:41:29 UTC Local time: —

About this earthquake

On August 12, 2025 at 13:41 UTC, a magnitude M5.5 earthquake occurred near TONGA. With a focal depth of about 38 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 data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M5.5
Depth
37.7 km
UTC time
2025-08-12 13:41:29 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-15.27640, -173.31160
Temperature
26.3°C

Map

Depth profile

Depth profile Depth: 37.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37.7 km
Shallow
37.7 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
Apia231.1 kmNE40'407

GeoNames · CC BY 4.0

Volcanoes nearby

  • West Mata
    Distance: 51 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Curacoa
    Distance: 54 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Niuatahi
    Distance: 75 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafahi
    Distance: 79 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Tafu-Maka
    Distance: 99 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Savaii
    Distance: 204 km ·Shield ·Elevation: 1'858 m ·Last eruption: 1911 ·Samoa

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 hours2
Strongest subsequent eventM5.6
M4.82025-08-14 09:50:45 UTC85.5 km45 km ESE of Hihifo, Tonga M5.02025-08-14 09:50:46 UTC93.1 kmTonga Islands M5.52025-08-18 07:48:43 UTC3.6 km88 km NNE of Hihifo, Tonga M5.52025-08-18 07:48:44 UTC22.5 kmTonga Islands M5.52025-08-18 07:48:45 UTC5.6 kmTONGA M5.62025-08-18 07:48:49 UTC54.7 km122 km ENE of Hihifo, Tonga

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥447
Earlier events M≥512
Compared since2025-01-03

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

Strongest earlier events

M5.62025-04-04 08:01:06 UTC130.0 km84 km WNW of Hihifo, Tonga M5.52025-04-19 16:55:04 UTC20.9 km92 km NNE of Hihifo, Tonga M5.52025-02-20 10:31:20 UTC67.9 km68 km NNW of Hihifo, Tonga M5.42025-06-29 01:56:15 UTC126.5 kmTonga Islands M5.32025-07-10 04:46:57 UTC117.0 kmTonga Islands

Stats (last 24h)

Global (24h)
589
Country (24h)
—
—
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