Geophysical Events
Geophysical Event

M 7.5 Tonga

March 24, 2026 · 04:37 UTC
M 7.5 Tonga
Magnitude
M 7.5
Location
158 km W of Neiafu, Tonga
Depth
234 km
Coordinates
-18.539, -175.476
Shakemap

Shakemap

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Did You Feel It

Did You Feel It

The USGS collects information from people who felt an earthquake and creates maps that show what people experienced and the extent of the damage.

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Aftershock

Aftershock

Aftershocks, smaller earthquakes that occur in the same general area during the days to years following a larger event or "mainshock."

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Earthquake Browser

Earthquake Browser

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Regional Tectonics (Video)

Regional Tectonics (Video)

The Tonga-Kermadec subduction zone has surprisingly complex tectonics that generates volcanoes, including the explosive eruption of Hunga Tonga-Hunga Ha’apai in 2022, and a variety of earthquakes ranging from deep subduction quakes to shallow great earthquakes that produce tsunamis.

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