Earthquake information

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Magnitude	3.4
Region	COSTA RICA
Date time	2026-10-28 00:53:30.0 UTC
Location	10.102 ; -84.259
Depth	10 km
Distance	27 km WNW of San José, Costa Rica / pop: 335,000 / local time: 18:53:30.0 2026-10-27 11 km NW of Alajuela, Costa Rica / pop: 47,400 / local time: 18:53:30.0 2026-10-27

Source parameters provided by:

Seccion de Sismologia, Univ. de Costa Rica, San Jose, Costa Rica -- San Jose, Costa Rica (UCR)

I felt this earthquake

All data providers for this event:

Instituto Nicaraguense de Estudios Territoriales -- Managua, Nicaragua (INET)
Seccion de Sismologia, Univ. de Costa Rica, San Jose, Costa Rica -- San Jose, Costa Rica (UCR)
Instituto de investigacion observatorio valcanologico y sismologico, Heredia, Costa Rica -- Heredia, Costa Rica (UNA)

Further information can be found at:

GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Servicio Sismologico Nacional, Instituto de Geofisica, UNAM -- Mexico City, Mexico (UNM)
Instituto de investigacion observatorio valcanologico y sismologico, Heredia, Costa Rica -- Heredia, Costa Rica (UNA)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Seccion de Sismologia, Univ. de Costa Rica, San Jose, Costa Rica -- San Jose, Costa Rica (UCR)