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M6.3 Depth: 83.6 km

M6.3 Earthquake near Tonga [Sea]

UTC time: 2026-03-22 06:15:47 UTC Local time: —

About this earthquake

On March 22, 2026 at 06:15 UTC, a magnitude M6.3 earthquake occurred near Tonga [Sea]. At around 84 km, the focal depth places this among intermediate-depth events. Events of this size are considered strong and can be dangerous in inhabited regions.

The event was recorded by INGV.

Details

Magnitude
M6.3
Depth
83.6 km
UTC time
2026-03-22 06:15:47 UTC
Local time
—
Country
—
Source
ingv
Coordinates
-15.41950, -172.91000
Temperature
28.6°C

Map

Depth profile

Depth profile Depth: 83.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 83.6 km
Intermediate
83.6 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
Apia215.0 kmNE40'407

GeoNames · CC BY 4.0

Volcanoes nearby

  • Curacoa
    Distance: 84 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • West Mata
    Distance: 97 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Tafahi
    Distance: 102 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Niuatahi
    Distance: 117 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafu-Maka
    Distance: 142 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Savaii
    Distance: 205 km ·Shield ·Elevation: 1'858 m ·Last eruption: 1911 ·Samoa

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours11
First 72 hours13
Strongest subsequent eventM6.3
M6.22026-03-22 15:27:56 UTC51.1 km###.# km ( ###.# mi) SW (az= 234.4) from San Miguel Is., CA M6.12026-03-22 15:27:57 UTC23.2 kmTonga Islands M5.32026-03-22 15:27:58 UTC40.7 kmEvent of magnitude 5.3, near of Nouméa (Monde) M6.32026-03-22 15:28:08 UTC6.8 kmTonga [Sea] M6.32026-03-22 15:30:40 UTC17.7 kmTonga Islands M5.12026-03-22 15:31:04 UTC92.1 kmEvent of magnitude 5.1, near of Nouméa (Monde) M5.62026-03-22 16:00:18 UTC52.5 km M4.82026-03-22 16:23:15 UTC59.1 km131 km SSW of Gataivai, Samoa M5.92026-03-22 22:26:14 UTC20.1 km###.# km ( ###.# mi) SW (az= 234.4) from San Miguel Is., CA M5.82026-03-23 06:02:45 UTC7.3 km###.# km ( ###.# mi) SW (az= 234.6) from San Miguel Is., CA M5.22026-03-23 06:02:48 UTC27.7 kmEvent of magnitude 5.2, near of Nouméa (Monde) M5.12026-03-23 08:44:29 UTC34.7 kmSamoa Islands region

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥4130
Earlier events M≥560
Compared since2025-01-03

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

Strongest earlier events

M6.22026-03-22 06:15:36 UTC15.2 km###.# km ( ###.# mi) SW (az= 234.7) from San Miguel Is., CA M6.02026-03-08 09:28:26 UTC126.7 kmTonga Islands M5.92025-11-28 03:29:38 UTC195.3 kmSamoa Islands Region M5.72026-02-10 21:14:44 UTC90.5 kmSamoa Islands Region M5.72025-11-28 03:30:09 UTC201.8 kmTonga Islands

Stats (last 24h)

Global (24h)
587
Country (24h)
—
—
Current earthquakes in
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