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Strong mag. 6.3 earthquake - Central Mid Atlantic Ridge on Thursday, 30 November 2017

Strong mag. 6.3 earthquake - Central Mid Atlantic Ridge on Thursday, 30 November 2017

Strong mag. 6.3 earthquake  - Central Mid Atlantic Ridge on Thursday, 30 November 2017
30 Nov 06:42 UTC: First to report: GFZ after 9 minutes.
Date & time: Thursday, 30 November 2017 06:32 UTC
Magnitude: 6.3
Depth: 10.0 km
Epicenter latitude / longitude: 1.15°S / 23.46°W (international territory)
Primary data source: GFZ
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Thu, 30 Nov 06:32 UTCM 6.3 / 10 kmCentral Mid Atlantic RidgeGFZ
Thu, 30 Nov 06:32 UTCM 6.5 / 10 km- Central Mid-Atlantic RidgeUSGS

shake map
(shakemap: USGS)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own experience report!
Aberdeen nj / Weak shaking (MMI III) : Was laying on my couch when I felt a joint then the couch and the house started to shake for a good 30 seconds and then about a min later it happened again
Gaithersburg / Light shaking (MMI IV) : I was siting on bed when the floor raised and lowered the bed and the siding creaked like a strong wind hit it, but there was no wind. My brother in-law felt it too.
Curaçao / Very weak shaking (MMI II) : laying in my bed.
Arlington va / Very weak shaking (MMI II) : Slight trembling woke me up from a cat nap on the second story of our house.
West Chester PA / Moderate shaking (MMI V) : I live in 1957 built home. Felt like floor coming up; chair bouncing. Cracking. Rumbling. Loud. Right before 5pm
BALTIMORE / Weak shaking (MMI III) : Living in the city led me to think it was a truck,however it felt different than the usual truck going by.
19807 / Weak shaking (MMI III) : It felt like a very low flying helicopter. My husbands hand shook on ymrhe counter.
Delaware Technical Community College, Dover DE / Light shaking (MMI IV)
Hammonton / Moderate shaking (MMI V) : I️ was on the toilet and it shook
Severn md / Very weak shaking (MMI II)
Severn, md 21144 / Very weak shaking (MMI II)
9462 fens hollow laurel MD 20723 / Weak shaking (MMI III) : On the main level shake felt by myself and my husband lasted for less than 5 secs
Cherry Hill, NJ / Very weak shaking (MMI II) : Around 4:50pm EST in Cherry Hill, NJ. Friends in surrounding towns felt it too.
São Roque , SP , Brasil / not felt

Aftershocks of the 6.3 quake: Central Mid Atlantic Ridge, 30 Nov 2017 06h32

Show info about this
List of recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Map of aftershocks

Significant earthquakes in the same area since 1900

Strong mag. 6.3 earthquake - Central Mid Atlantic Ridge on Thursday, 30 November 2017

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