Mag. 4.8 earthquake - North Pacific Ocean, 196 km west of San Jose, San José, San Jose, Costa Rica, on 20 de septiembre del 2018 2:03 am
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Light magnitude 4.8 earthquake at 24 km depth
20 Sep 08:24 UTC: First to report: RSN after 21 minutes.
Local time at epicenter: 20 de septiembre del 2018 2:03 am
Magnitude: 4.8
Depth: 24.0 km
Epicenter latitude / longitude: 9.451°N / 85.805°W
(North Pacific Ocean, Costa Rica)Nearest volcano: Miravalles (161 km / 100 mi)
Nearby towns and cities:
57 km (35 mi) SSW of Samara (pop: 1,070) --> See nearby quakes!
87 km (54 mi) SSW of Nicoya (pop: 15,300) --> See nearby quakes!
93 km (58 mi) SW of Nandayure (pop: 1,650) --> See nearby quakes!
93 km (58 mi) SSW of Santa Cruz (pop: 12,300) --> See nearby quakes!
121 km (75 mi) WSW of Puntarenas (pop: 35,700) --> See nearby quakes!
127 km (79 mi) WSW of Chacarita (pop: 26,400) --> See nearby quakes!
134 km (83 mi) SW of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
138 km (86 mi) SSW of Liberia (pop: 45,400) --> See nearby quakes!
193 km (120 mi) WSW of San Francisco (pop: 55,900) --> See nearby quakes!
196 km (122 mi) WSW of San Jose (pop: 335,000) --> See nearby quakes!
77 km (48 mi) W of Isla Cabo Blanco Island --> See nearby quakes!
209 km (130 mi) SSW of Isla Mancarroncito Island --> See nearby quakes!
211 km (131 mi) SSW of Isla La Venada Island --> See nearby quakes!
Primary data source: RSN
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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.
| Magnitude | Depth | Location | Source |
| M 4.8 | 24 km | 57 km al Sur de Samara, Nicoya. | RSN |
| M 4.8 | 24 km | OFF COAST OF COSTA RICA | EMSC |
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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Earlier earthquakes in the same area
Mag. 4.8 earthquake - North Pacific Ocean, 196 km west of San Jose, San José, San Jose, Costa Rica, on 20 de septiembre del 2018 2:03 amClick here to search our database for earlier earthquakes in the same area since 1900!
