From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Santiago del Estero, Argentina Geographic coordinates: 27 064S, 63 523W Magnitude: 5 7 Depth: 571 km Universal Time (UTC): 2 Oct 2025 21:37:58 Time near the Epicenter (1): 2 Oct 2025 18:37:58 Time in your area (1): 3 Oct 2025 07:37:58

Location with respect to nearby cities: 29 1 km (18 0 mi) W of El Hoyo, Argentina 109 1 km (67 6 mi) NE of Santiago del Estero, Argentina 127 1 km (78 8 mi) WNW of Quimilí, Argentina 140 7 km (87 2 mi) ENE of Termas de Río Hondo, Argentina 162 3 km (100 6 mi) E of Alderetes, Argentina

ADDITIONAL PARAMETERS

event ID : us 6000recz

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/us6000recz?utm_medium=email&utm_source=ENS&utm_campaign=realtime or https://earthquake usgs gov/

National Earthquake Information Center U S Geological Survey

DISCLAIMER: https://earthquake usgs gov/ens/help html?page=help#disclaimer

This email was sent to earthquakes@aus-city com

You requested mail for events between -90 0/90 0 latitude and 180 0/-180 0 longitude (Default World) for M5 0 at all times

To change your parameters, go to https://earthquake usgs gov/ens/ To unsubscribe, send a one-line reply to this message with: STOP earthquakes@aus-city com