Minor mag. 3.1 earthquake - Poas, Provincia de Alajuela, 34 km northwest of San Jose, San José, Costa Rica, on 2021-07-11 04:56:45 -

Minor mag. 3.1 earthquake - Poas, Provincia de Alajuela, 34 km northwest of San Jose, San José, Costa Rica, on 2021-07-11 04:56:45

Minor magnitude 3.1 earthquake at 72 km depth

Date & time: Jul 11, 2021 10:56:45 UTC -
Local time at epicenter: 2021-07-11 04:56:45
Magnitude: 3.1
Depth: 72.0 km
Epicenter latitude / longitude: 10.192°N / 84.249°W (Poas, Provincia de Alajuela, Costa Rica)
Antipode: 10.192°S / 95.751°E
Nearest volcano: Poas (2 km / 1 mi)
Nearby towns and cities:
6 km (4 mi) SSE of Rio Segundo (Valverde Vega, Alajuela) (pop: 9,850) --> See nearby quakes!
20 km (12 mi) NNW of Alajuela (pop: 47,500) --> See nearby quakes!
24 km (15 mi) NNW of Mercedes (Heredia) (pop: 26,000) --> See nearby quakes!
24 km (15 mi) SE of Ciudad Quesada (Barrio San Martín, Alajuela) (pop: 27,300) --> See nearby quakes!
26 km (16 mi) NW of Heredia (pop: 21,900) --> See nearby quakes!
26 km (16 mi) NNW of San Francisco (Heredia) (pop: 55,900) --> See nearby quakes!
32 km (20 mi) NW of San Juan (Tibás, San José) (pop: 26,000) --> See nearby quakes!
34 km (21 mi) NW of San Vicente (San José) (pop: 34,400) --> See nearby quakes!
34 km (21 mi) NW of San Vicente (San José) (pop: 34,400) --> See nearby quakes!
34 km (21 mi) NNW of San Jose (San José) (pop: 335,000) --> See nearby quakes!
Primary data source: INETER
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) More info
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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.
Mag.DepthLocationSource
3.172 km11 Km Al Oeste De Vara Blanca, Costa RicaINETER

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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