Light mag. 3.6 earthquake - 46 km south of Nicoya, Provincia de Guanacaste, Costa Rica, on Tuesday, 22 September 2020 at 14:18 (GMT) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Costa Rica| Provincia de Guanacaste | Provincia de Puntarenas | Provincia de Heredia | San Jose

Light magnitude 3.6 earthquake at 6 km depth
22 Sep 14:36 UTC: First to report: EMSC after 18 minutes.
Date & time: 22 Sep 2020 14:18:30 UTC -
Magnitude: 3.6
Depth: 6.0 km
Epicenter latitude / longitude: 9.77°N / 85.61°W

Nearest volcano: Miravalles (120 km / 75 mi)
Nearby towns and cities:
15 km (10 mi) SW of Samara (pop: 1,070) --> See nearby quakes!
38 km (24 mi) SSW of Hojancha (pop: 1,820) --> See nearby quakes!
46 km (28 mi) SSW of Nicoya (pop: 15,300) --> See nearby quakes!
55 km (34 mi) S of Santa Cruz (pop: 12,300) --> See nearby quakes!
88 km (54 mi) WSW of Puntarenas (pop: 35,700) --> See nearby quakes!
92 km (57 mi) SW of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
94 km (58 mi) WSW of Chacarita (pop: 26,400) --> See nearby quakes!
98 km (61 mi) S of Liberia (pop: 45,400) --> See nearby quakes!
164 km (102 mi) W of San Francisco (pop: 55,900) --> See nearby quakes!
168 km (105 mi) W of San Jose (pop: 335,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
27.9°C (82 F), humidity: 71%, wind: 1 km/h (0 kts) from ESE
Primary data source: EMSC (European-Mediterranean Seismological Centre)Clear Sky

Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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 3.6 | 6 km | Off Coast Of Costa Rica | EMSC |
M 3.6 | 6 km | 15 Km Al Suroeste 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.
be the first to report it!
There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 05 Sep 2012 14:42| 7.6 |40km / 25mi|9 years ago|41km / 25mi| Nandayure, 22 km SE of Nicoya, Provincia de Guanacaste, Costa Rica
- 05 Oct 1950 16:09| 7.5 |98km / 61mi|70 years ago|100km / 62mi| Tilaran, 8 km NE of Canas, Cañas, Provincia de Guanacaste, Costa Rica
- 25 Mar 1990 13:22| 7.3 |22km / 14mi|31 years ago|89km / 56mi| North Pacific Ocean, 7.2 km SE of Puntarenas, Costa Rica
- 15 Oct 1967 08:00| 7.1 |160km / 100mi|53 years ago|241km / 150mi| 9.2 km E of Granada, Nicaragua
- 24 Oct 1956 14:42| 7.1 |35km / 22mi|64 years ago|236km / 147mi| North Pacific Ocean, 13 km S of Masachapa, Departamento de Managua, Nicaragua
- 04 Mar 1924 10:07| 7.1 |15km / 9.3mi|97 years ago|186km / 115mi| Cartago, 7.6 km SW of Paraiso, Provincia de Cartago, Costa Rica
- 09 Oct 2004 21:26| 7.0 |35km / 22mi|16 years ago|217km / 135mi| North Pacific Ocean, 91 km SW of Managua, Nicaragua
- 23 Aug 1978 00:38| 7.0 |56km / 35mi|43 years ago|64km / 40mi| Nicoya, 53 km SE of Liberia, Provincia de Guanacaste, Costa Rica
- 06 Dec 1941 21:24| 7.0 |15km / 9.3mi|79 years ago|183km / 113mi| North Pacific Ocean, 164 km S of Сан-Хосе, Costa Rica
- 22 Dec 1939 04:44| 6.8 |25km / 16mi|81 years ago|89km / 56mi| North Pacific Ocean, 31 km E of Isla Cabo Blanco Island, Costa Rica
Hint: Click on Date/Time to show latest first
Show all