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Moderate mag. 5.1 earthquake - Costa Rica on Thursday, 31 January 2019

Moderate mag. 5.1 earthquake  - Costa Rica on Thursday, 31 January 2019
Jan 31 13:28: Magnitude recalculated from 5.0 to 5.1.
Hypocenter depth recalculated from 45.0 to 26.0 km.
Date & time: Thursday, 31 January 2019 13:09 UTC
Magnitude: 5.1
Depth: 26.0 km
Epicenter latitude / longitude: 9.16°N / 83.72°W (Costa Rica)
Nearest volcano: Irazu (89 km)
Primary data source: GFZ
Estimated released energy: 2.8*10^12 J (783 MWh / 674 tons of TNT) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Thu, 31 Jan 2019
Thu, 31 Jan 13:09 UTCM 4.9 / 40 km COSTA RICAEMSC
Thu, 31 Jan 13:09 UTCM 4.9 / 13.6 km- 25km W of Ciudad Cortes, Costa RicaUSGS
Thu, 31 Jan 13:09 UTCM 5.4 / 24 km33 km al Noroeste de Drake, Osa.RSN

"I felt it" reports:
Cajón / MMI V (Moderate shaking): Felt like a semi truck
Alajuela / MMI III (Weak shaking): I was laying in bed at the time. Noticed light shaking and swaying for less than 10 seconds.
Bocas del Toro, Panama (172.3 km E from epicenter) [Map] / MMI II (Very weak shaking): Very slight, mild shaking. Only noticeable as me and my partner were sitting at desks, not felt by others who were walking
Playa Jacó, Jacó Bay condo / MMI IV (Light shaking)
Tranquilo Lodge — DrakeBay Costa Rica / MMI IV (Light shaking): I felt the earthquake while a guest at Tranquilo Lodge very near the epicenter of the quake in Piedras Blancas, Drake Bay( N of Gofita) on Oso Península in Costa Rica. When the 6.1 magnitude earth earthquake hit The whole chalet shook. I was getting dress for breakfast. I thought a bulldozer was pushing the building. No damages. .
Near Bahía Drake, Osa Peninsula / MMI VI (Strong shaking): Standing in the forest. Loud crashing noise, as if trees falling down (but weren’t) Trees moved in a wave-like way. Monkeys alarmed.
Osa Peninsula / MMI VI (Strong shaking)
Domincal / MMI IV (Light shaking): On the porch in the mountains whole house shook
Ojochal Costa Rica / MMI V (Moderate shaking)
Corazón de Jesus en Puerto Armuelles / MMI II (Very weak shaking): I thought a dog had bumped the back of the chair I was sitting on. I turned to look and my friend said it was a tremor. Then three of us felt a milder tremor. We were all sitting in plastic chairs on a concrete floor.
(17.1 km NW from epicenter) [Map] / MMI II (Very weak shaking) (via app)
La Gamba, Golfito / MMI IV (Light shaking): Felt by all guests at Esquinas Lodge. No damage but short strong temblor. Pool water caused mini tsunami.
Udaipur lahaul Spiti / MMI V (Moderate shaking)
Escalares, above Dominicalito, altitude 1000 ft ab / MMI II (Very weak shaking): A double rumble followed by a long wobble.
La Alfombra, Perez Zeledon / MMI IV (Light shaking): glass doors rattled, felt a sway
Meerut / MMI VII (Very strong shaking): Very soundly
Baru (23 km NW from epicenter) [Map] / MMI III (Weak shaking) (via app)
Jacó Bay Apartments (113.1 km WNW from epicenter) [Map] / MMI IV (Light shaking)
Ojochal / MMI IV (Light shaking)
(25.6 km WNW from epicenter) [Map] / MMI IV (Light shaking)
Uvita de Osa / MMI IV (Light shaking)
Ojochal de Osa (10.7 km SE from epicenter) [Map] / MMI IV (Light shaking): House shook horizontally for about 5 seconds (via app)
Puerto armuelles (138.5 km SE from epicenter) [Map] / MMI V (Moderate shaking): Shaking went on for about 45seconds. (via app)
Domonicalito / MMI III (Weak shaking)
Escaleras, Dominical (13.1 km NW from epicenter) [Map] / MMI IV (Light shaking): Wobbly feeling (via app)
Puerto Armuelles, Panama / MMI IV (Light shaking)
(42.4 km SE from epicenter) [Map] / MMI V (Moderate shaking)
Platanillo / MMI III (Weak shaking): Bed was shaking glass was shaking no damage
Los Algarrobos, Chiriquí (160.3 km ESE from epicenter) [Map] / MMI II (Very weak shaking): Fue débil y breve (via app)
Bali Rica, Calle Papagayo, Ojochal / MMI III (Weak shaking): Felt like a long duration
Puerto Armuelles Corazon de Jesus (136.8 km SE from epicenter) [Map] / MMI III (Weak shaking): I was sitting in my chair and felt it swaying lightly. My husband who was standing did not feel it at all. (via app)
San Miguel de Desamparados (88.3 km NNW from epicenter) [Map] / MMI II (Very weak shaking)
(98.5 km NNW from epicenter) [Map] / MMI III (Weak shaking)
David (Panama) (164 km SE from epicenter)(no details): Short shake (via EMSC)
Puerto Armuelles (Panama) (135 km SE from epicenter)(no details): Felt the shaking for about 45 seconds. (via EMSC)
Puerto Cortes (Costa Rica) (21 km E from epicenter)(no details): Short lived quake. (via EMSC)
Concepcion (Costa Rica) (115 km NW from epicenter)(no details): Leve y corto en Tres Rios (via EMSC)


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