Moderate mag. 4.4 earthquake - 25 km northwest of Golfito, Provincia de Puntarenas, Costa Rica, on 2021-04-20 05:22:48 -

Moderate mag. 4.4 earthquake - 25 km northwest of Golfito, Provincia de Puntarenas, Costa Rica, on 2021-04-20 05:22:48

Moderate magnitude 4.4 earthquake at 11 km depth

20 Apr 11:28 UTC: First to report: INETER after 5 minutes.
20 Apr 11:35: Magnitude recalculated from 4.6 to 4.4. Hypocenter depth recalculated from 6.0 to 8.0 km (from 3.7 to 5 mi). Epicenter location corrected by 3.8 km (2.4 mi) towards SE.
20 Apr 13:14: Hypocenter depth recalculated from 8.0 to 11.0 km (from 5 to 6.8 mi). Epicenter location corrected by 5.4 km (3.4 mi) towards NNE.
Date & time: 20 Apr 2021 11:22:48 UTC -
Local time at epicenter: 2021-04-20 05:22:48
Magnitude: 4.4
Depth: 11.0 km
Epicenter latitude / longitude: 8.776°N / 83.284°W (Golfito, Provincia de Puntarenas, Costa Rica)
Nearest volcano: Baru (85 km / 53 mi)
Nearby towns and cities:
27 km (17 mi) NW of Golfito (Puntarenas) (pop: 6,780) --> See nearby quakes!
33 km (21 mi) SE of Ciudad Cortés (Puntarenas) (pop: 3,850) --> See nearby quakes!
35 km (22 mi) W of San Vito (Puntarenas) (pop: 3,980) --> See nearby quakes!
40 km (25 mi) WNW of Corredor (Ciudad Neily, Puntarenas) (pop: 7,080) --> See nearby quakes!
44 km (28 mi) S of Buenos Aires (Puntarenas) (pop: 11,700) --> See nearby quakes!
56 km (35 mi) WNW of Canoas (Puntarenas) (pop: 4,570) --> See nearby quakes!
80 km (50 mi) SE of San Isidro (San José) (pop: 34,900) --> See nearby quakes!
138 km (86 mi) S of Limon (Limón) (pop: 63,100) --> See nearby quakes!
156 km (97 mi) SE of San Jose (San José) (pop: 335,000) --> See nearby quakes!
217 km (135 mi) SE of Puntarenas (pop: 35,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 22.5°C (72 F), humidity: 94%, wind: 1 m/s (2 kts) from NE
Primary data source: INETER
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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.
MagnitudeDepthLocationSource
4.411 km44 Km Al Noreste De Playa Madrigal, Costa RicaINETER
unspecifiedn/aNear San Isidro, San José, Costa RicaVolcanoDiscovery
4.426 km5 Km Al Oeste De Chacarita, Buenos Aires., Costa RicaRSN
4.79 kmCOSTA RICAEMSC

User reports for this quake (13)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Uvita (75.5 km NW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Laying in bed & bed shook and jumped slightly, the walls also creaked  
Uvita / Weak shaking (MMI III) / 1-2 s : I was sleeping and my house did booty shaked.....  
Boquete (77.9 km E of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / very short
Uvita / Weak shaking (MMI III) / 1-2 s : I was sleeping and my house did booty shaked.....  
46.5 km NW of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s : Very minor - no damage.  
Aqua caliente (53.1 km E of epicenter) [Map] / Moderate shaking (MMI V) : Woke me up in bed moderately rocking bed. Moderate intensity  
Playa san josecito (13 km SSE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short
72 km NW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Uvita / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Puerto Jiménez / Very weak shaking (MMI II) / rattling, vibrating / very short
Boquete (77.9 km E of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / very short
Ojochal, puntarenas Costa Rica / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Puerto Jimenez, Could sta Rica / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
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