Minor mag. 3.1 earthquake - San Ramon, 28 km west of Alajuela, Costa Rica, on Tuesday, July 20, 2021 at 10:35 (GMT) -
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Minor magnitude 3.1 earthquake at 68 km depth
20 Jul 13:44 UTC: First to report: EMSC after 3 hours.
Depth: 68.0 km
Epicenter latitude / longitude: 10.08°N / 84.46°W↗ (San Ramon, Provincia de Alajuela, Costa Rica)
Antipode: 10.08°S / 95.54°E↗
Nearest volcano: Platanar (27 km / 17 mi)
Nearby towns and cities:
1 km (1 mi) SE of San Ramon (San Ramón, Alajuela) (pop: 10,800) --> See nearby quakes!
24 km (15 mi) ENE of Esparza (Espíritu Santo, Puntarenas) (pop: 15,600) --> See nearby quakes!
27 km (17 mi) S of Ciudad Quesada (Barrio San Martín, Alajuela) (pop: 27,300) --> See nearby quakes!
28 km (17 mi) WNW of Alajuela (pop: 47,500) --> See nearby quakes!
33 km (21 mi) NW of San Rafael Abajo (Puriscal, San José) (pop: 27,400) --> See nearby quakes!
37 km (23 mi) ENE of Chacarita (Puntarenas) (pop: 26,400) --> See nearby quakes!
37 km (23 mi) WNW of Mercedes (Heredia) (pop: 26,000) --> See nearby quakes!
37 km (23 mi) WNW of San Francisco (Heredia) (pop: 55,900) --> See nearby quakes!
39 km (24 mi) WNW of San Rafael (San José) (pop: 25,400) --> See nearby quakes!
44 km (28 mi) WNW of San Jose (San José) (pop: 335,000) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|3.1||68 km||COSTA RICA||EMSC|
|3.1||68 km||Costa Rica: 1 Km Al Sureste De San Ramon, Alajuela.||RSN|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.