From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: central Mid-Atlantic Ridge Geographic coordinates: 0 525S, 20 015W Magnitude: 6 6 Depth: 10 km Universal Time (UTC): 17 Jun 2026 18:56:58 Time near the Epicenter (1): 17 Jun 2026 17:56:58 Time in your area (1): 18 Jun 2026 04:56:58

Location with respect to nearby cities: 1028 0 km (637 3 mi) NW of Georgetown, Saint Helena 1219 7 km (756 2 mi) SW of Bonthe, Sierra Leone 1239 9 km (768 7 mi) SW of Goderich, Sierra Leone 1246 7 km (773 0 mi) SW of Waterloo, Sierra Leone 1248 5 km (774 1 mi) SW of Freetown, Sierra Leone

ADDITIONAL PARAMETERS

event ID : us 7000stti

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/us7000stti?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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