Hazard

TypeEarthquake
StatusHistorical
Name92 km NNE of Hihifo, Tonga
Date2025/04/19
Time16:55
CountrySamoa
Origin15.1815000, -173.4796000
Hazard MapShakeMap (XML, Gzipped), 2025/04/23 21:11:37
Moment Magnitude5.5
Energy Magnitude5.4361
Focal Depth32.495 km
Tectonic SettingSubduction Slab
Seismic Moment1.9953·1024 dyn·cm (1.9953·1017 J)
Radiated Seismic Energy3192419703950 J
AccessPublic
Created: System

Earthquake Catalog Data

NoTimeEpicenterFocal DepthMagnitudeCatalog
1.16:55:0415.1815000, -173.479600032.5 km5.5 M<sub>w</sub>USGS

Hazard Maps

NoDate
1.2025/04/23 21:11:37
2.2025/04/22 23:11:06
3.2025/04/22 21:09:42

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