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M4.9 Depth: 10.0 km

M4.9 Earthquake near 107 km ENE of ‘Ohonua, Tonga

UTC time: 2025-03-09 18:39:25 UTC Local time: —

About this earthquake

On March 9, 2025 at 18:39 UTC, a magnitude M4.9 earthquake occurred near 107 km ENE of ‘Ohonua, Tonga. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

Magnitude
M4.9
Depth
10.0 km
UTC time
2025-03-09 18:39:25 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-20.96010, -174.00820

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

Volcanoes nearby

  • Hunga Tonga-Hunga Ha'apai
    Distance: 150 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 161 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Fonuafo'ou
    Distance: 163 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Tofua
    Distance: 174 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga
  • Tofua Arc at 21.3°S
    Distance: 175 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Kao
    Distance: 178 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1847 ·Tonga

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
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