Very strong mag. 6.1 earthquake - Caribbean Sea, 79 km southeast of Georgetown, George Town, Cayman Islands, on 2020-01-28 16:55:16 -05:00 -

This quake was likely an aftershock of the 7.7 quake Caribbean Sea, 274 km east of Georgetown, George Town, Cayman Islands, 2020-01-28 14:10:24 -05:00, which had occurred 2 hours and 45 minutes earlier.
Very strong mag. 6.1 earthquake - Caribbean Sea, 79 km southeast of Georgetown, George Town, Cayman Islands, on 2020-01-28 16:55:16 -05:00

Very strong magnitude 6.1 earthquake at 10 km depth

28 Jan 22:00 UTC: First to report: USGS after 5 minutes.
Jan 28 22:02: Magnitude recalculated from 6.3 to 6.5.
Hypocenter depth recalculated from 21.0 to 10.0 km.
Jan 28 22:14: Magnitude recalculated from 6.5 to 6.1.
Date & time: 28 Jan 2020 21:55:16 UTC -
Local time at epicenter: 2020-01-28 16:55:16 -05:00
Magnitude: 6.1
Depth: 10.0 km
Epicenter latitude / longitude: 18.9457°N / 80.7142°W (Caribbean Sea, Cayman Islands)
Nearby towns and cities:
58 km (36 mi) SE of East End (pop: 1,640) --> See nearby quakes!
79 km (49 mi) ESE of Georgetown (George Town) (pop: 29,400) --> See nearby quakes!
87 km (54 mi) ESE of West Bay (pop: 11,300) --> See nearby quakes!
299 km (186 mi) W of Montego Bay (Jamaica) (pop: 82,900) --> See nearby quakes!
357 km (222 mi) SSW of Sancti Spiritus (Cuba) (pop: 127,100) --> See nearby quakes!
357 km (222 mi) S of Cienfuegos (Cuba) (pop: 186,600) --> See nearby quakes!
381 km (237 mi) SSW of Ciego de Avila (Cuba) (pop: 142,000) --> See nearby quakes!
393 km (244 mi) S of Santa Clara (Cuba) (pop: 250,500) --> See nearby quakes!
398 km (247 mi) SW of Camagüey (Cuba) (pop: 347,600) --> See nearby quakes!
427 km (265 mi) WNW of Kingston (Jamaica) (pop: 937,700) --> See nearby quakes!
363 km (225 mi) WNW of Jamaica Island (pop: 2,950,200) --> See nearby quakes!
390 km (242 mi) SSW of Cuba Island (pop: 11,167,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) 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
6.110 km57km SE of East End, Cayman IslandsUSGS
6.410 kmNorth of Honduras (Cayman Islands)GFZ
6.110 kmCayman Islands RegionEMSC
6.310 kmCayman Islands RegionGeoAu
6.110 kmCayman Is. [Sea] (Cayman Islands)INGV

User reports for this quake (26)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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1056.3 km SSW of epicenter [Map] / not felt (reported through our app)
George Town, Grand Cayman (78.8 km WNW of epicenter) [Map] / Light shaking (MMI IV) : Was stopped in traffic and felt the car shaking.  
Grand Marriott Resort, Grand Cayman Island / Moderate shaking (MMI V) : Sitting on the bed and thought husband was shaking leg but he was not.  
Westbay cayman / Moderate shaking (MMI V)
Cayey, PR, US (1539.8 km E of epicenter) [Map] / not felt : NOT FELT (reported through our app)  
West bay / Moderate shaking (MMI V)
Savannah, Newlands (68 km WNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
George Town, Grand Cayman / Light shaking (MMI IV) : Not as disoriented as the earlier one which was 7.7 this was mild but still some dizziness and thing in the house shaking.  
81.2 km WNW of epicenter [Map] / Strong shaking (MMI VI)
Manati PR (1499.1 km E of epicenter) [Map] / Very weak shaking (MMI II) : I felt dizzy and a very slight ringing in my ears and i felt some movement. I ask in the office and another person fwlt the same. Right then the app alert went off! We were very surprised! Almost 20 min later the wave reached here. (reported through our app)  
2129.9 km N of epicenter [Map] / not felt (reported through our app)
Uganda / Light shaking (MMI IV)
George Town, Grand Cayman / Very weak shaking (MMI II) : One quick shake, only about one or two seconds.  
Chipley, FL (1379.6 km NNW of epicenter) [Map] / not felt (reported through our app)
Athens wv (2052.4 km N of epicenter) [Map] / Very weak shaking (MMI II) : Felt the bed moving slight in a kind of rolling way, very light, only for a few seconds, vertigo feeling (reported through our app)  
George Town (79.7 km WNW of epicenter) [Map] / Strong shaking (MMI VI) : Still experiencing aftershocks  
George Town (79.6 km WNW of epicenter) [Map] / Light shaking (MMI IV)
81.4 km WNW of epicenter [Map] / Strong shaking (MMI VI) : Short. 15 sec  
I did not feel it. Cancún / not felt
1433.7 km E of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
West Bay (Cayman Islands, 63 km NW of epicenter) : Se sintió muy fuerte, y dure como 2 horas mariada, y cuando ya pensé que todo estaba bien sentí una réplica como a las 5 y algo de la tarde. (reported through EMSC)  
Bodden Town (Cayman Islands, 48 km NW of epicenter) : Felt it but not as scary (reported through EMSC)  
Santiago de Cuba (Cuba, 543 km E of epicenter) : Sigan así ya algún día los podrán detectar antes de que ocurra (reported through EMSC)  
West Bay (Cayman Islands, 63 km NW of epicenter) : Fue de una fuerza medianamente alarmante y un temblor bastante prolongado. En west bay, cerca del hotel westin no hubieron manifestaciones físicas importantes (reported through EMSC)  
George Town (Cayman Islands, 56 km NW of epicenter) : South Sound, Grand Cayman. Was definitely noticeable but didn’t last long. (reported through EMSC)  
(Cayman Islands, 49 km NW of epicenter) : We are feeling the aftershocks. (reported through EMSC)  
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