Light mag. 3.4 earthquake - North Pacific Ocean, 39 km south of Nicoya, Provincia de Guanacaste, Costa Rica, on Wednesday, 21 April 2021 at 21:43 (GMT) -
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Light magnitude 3.4 earthquake at 15 km depth
21 Apr 22:07 UTC: First to report: EMSC after 24 minutes.
Date & time: 21 Apr 2021 21:43:30 UTC -
Depth: 15.0 km
Epicenter latitude / longitude: 9.81°N / 85.55°W (North Pacific Ocean, Costa Rica)
Nearest volcano: Tenorio (112 km / 70 mi)
Nearby towns and cities:
8 km (5 mi) SSW of Samara (pop: 1,070) --> See nearby quakes!
31 km (19 mi) SSW of Hojancha (pop: 1,820) --> See nearby quakes!
39 km (24 mi) SSW of Nicoya (pop: 15,300) --> See nearby quakes!
80 km (50 mi) WSW of Puntarenas (pop: 35,700) --> See nearby quakes!
85 km (53 mi) SW of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
87 km (54 mi) WSW of Chacarita (pop: 26,400) --> See nearby quakes!
93 km (58 mi) S of Liberia (pop: 45,400) --> See nearby quakes!
99 km (62 mi) WSW of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
157 km (98 mi) W of San Francisco (pop: 55,900) --> See nearby quakes!
161 km (100 mi) W of San Jose (pop: 335,000) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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.
|3.4||15 km||OFF COAST OF COSTA RICA||EMSC|
|3.4||15 km||8 Km Al Sur De Samara, Nicoya., Costa Rica||RSN|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.