Mag. 4.5 earthquake - North Pacific Ocean, 119 km southwest of Nicoya, Guanacaste, Costa Rica, on Saturday, 5 Dec 2020 12:10 am (GMT -6) -
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Light magnitude 4.5 earthquake at 15 km depth
5 Dec 06:10 UTC: First to report: RSN after 0 minutes.
Local time at epicenter: Saturday, 5 Dec 2020 12:10 am (GMT -6)
Magnitude: 4.5
Depth: 15.0 km
Epicenter latitude / longitude: 9.246°N / 86.033°W

Nearest volcano: Miravalles (193 km / 120 mi)
Nearby towns and cities:
90 km (56 mi) SW of Samara (pop: 1,070) --> See nearby quakes!
119 km (74 mi) SSW of Nicoya (pop: 15,300) --> See nearby quakes!
154 km (96 mi) WSW of Puntarenas (pop: 35,700) --> See nearby quakes!
160 km (100 mi) WSW of Chacarita (pop: 26,400) --> See nearby quakes!
167 km (104 mi) SW of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
168 km (104 mi) SSW of Liberia (pop: 45,400) --> See nearby quakes!
172 km (107 mi) WSW of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
217 km (135 mi) WSW of Alajuela (pop: 47,500) --> See nearby quakes!
225 km (140 mi) WSW of San Francisco (pop: 55,900) --> See nearby quakes!
227 km (141 mi) WSW of San José (pop: 335,000) --> See nearby quakes!
106 km (66 mi) WSW of Isla Cabo Blanco Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
26.3°C (79 F), humidity: 86%, wind: 6 m/s (12 kts) from WSW
Primary data source: RSN
Scattered Clouds

Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 4.5 | 15 km | 90 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.
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There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area since 1900
Mag. 4.5 earthquake - North Pacific Ocean, 119 km southwest of Nicoya, Guanacaste, Costa Rica, on Saturday, 5 Dec 2020 12:10 am (GMT -6)- Date / time UTC| Mag |Depth|Age|Distance| Details
- 05 Sep 2012 14:42| 7.6 |40km / 25mi|8 years ago|115km / 71mi| 12km ESE of Hojancha, Costa Rica
- 05 Oct 1950 16:09| 7.5 |98km / 61mi|70 years ago|175km / 109mi| Costa Rica
- 25 Mar 1990 13:22| 7.3 |22km / 14mi|31 years ago|154km / 96mi| Costa Rica
- 04 Mar 1924 10:07| 7.1 |15km / 9.3mi|97 years ago|240km / 149mi| Costa Rica
- 23 Aug 1978 00:38| 7.0 |56km / 35mi|42 years ago|139km / 86mi| Costa Rica
- 06 Dec 1941 21:24| 7.0 |15km / 9.3mi|79 years ago|184km / 114mi| Off the Coast of Costa Rica
- 20 Aug 1999 10:02| 6.9 |20km / 12.4mi|21 years ago|207km / 129mi| Costa Rica
- 03 Apr 1990 22:57| 6.8 |53km / 33mi|31 years ago|244km / 152mi| Near the Coast of Nicaragua
- 22 Dec 1939 04:44| 6.8 |25km / 16mi|81 years ago|135km / 84mi| Costa Rica
- 09 Sep 1952 12:54| 6.7 |15km / 9.3mi|68 years ago|200km / 124mi| Off the Coast of Costa Rica
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