From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Samoa Islands region Geographic coordinates: 15 611S, 172 817W Magnitude: 5 9 Depth: 10 km Universal Time (UTC): 22 Mar 2026 22:26:16 Time near the Epicenter (1): 23 Mar 2026 11:26:16 Time in your area (1): 23 Mar 2026 08:26:16

Location with respect to nearby cities: 111 5 km (69 2 mi) ENE of Hihifo, Tonga 226 9 km (140 7 mi) SSW of Apia, Samoa 271 1 km (168 1 mi) WSW of Pago Pago, American Samoa 661 4 km (410 1 mi) NNE of Nuku‘alofa, Tonga 841 6 km (521 8 mi) E of Labasa, Fiji

ADDITIONAL PARAMETERS

event ID : us 6000siln

This event has been reviewed by a seismologist

(1) Nominal Standard Time; local and daylight savings time zone may differ For subsequent updates, maps, and technical information, see: https://earthquake usgs gov/earthquakes/eventpage/us6000siln?utm_medium=email&utm_source=ENS&utm_campaign=realtime or https://earthquake usgs gov/

National Earthquake Information Center U S Geological Survey

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