Caribbean seismic activity

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cycloneye
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Caribbean seismic activity

#1 Postby cycloneye » Fri Jan 15, 2010 5:56 pm

I decided to make a new topic to follow about what is going on in the Puerto Rico / U.S.and British Virgin Islands / Lesser Antilles region as the Sombrero fault,the Puerto Rico Trench located NE and North of the island and the Eastern Caribbean Plate continue active,although the majority of the quakes are very small,we here have felt some moderate ones in past decades.I will post the monthly activity and if there is a bigger one (Hopefully not) they will be posted.

As of this post,January activity so far has seen 90 quakes.

http://temblor.uprm.edu/cgi-bin/new-sea ... mit+Search
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Re: Puerto Rico / VI area earthquake activity continues

#2 Postby Gustywind » Fri Jan 15, 2010 6:53 pm

cycloneye wrote:I decided to make a new topic to follow about what is going on in the Puerto Rico / Virgin Islands region as the Sombrero fault and the Puerto Rico Trench located NE and North of the island continue active,although the majority of the quakes are very small,we here have felt some moderate ones in past decades.I will post the monthly activity and if there is a bigger one (Hopefully not) they will be posted.

As of this post,January activity so far has seen 90 quakes.

http://temblor.uprm.edu/cgi-bin/new-sea ... mit+Search

Good job as usual Luis :) thanks my friend we appreciate! Let's hope nothing bad to occur.
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Re: Puerto Rico / VI area earthquake activity continues

#3 Postby somethingfunny » Sat Jan 16, 2010 1:50 am

In the past, have major earthquakes along the Caribbean Plate tended to occur in short succession?
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Re: Puerto Rico / VI area earthquake activity continues

#4 Postby cycloneye » Sat Jan 16, 2010 7:15 am

somethingfunny wrote:In the past, have major earthquakes along the Caribbean Plate tended to occur in short succession?


The last big earthquake in Puerto Rico occured in 1918 with the epicenter on the western part.That gives you the idea about how far we can see big ones here.
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Re: Puerto Rico / VI area earthquake activity continues

#5 Postby cycloneye » Sat Jan 16, 2010 12:17 pm

This morning there was a 3.8 on the ritcher scale in the Puerto Rico Trench.For those who may not know this,the Puerto Rico Trench is the deepest part of the Atlantic Ocean (28,000 feet)

http://earthquake.usgs.gov/earthquakes/ ... 001609.php

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Re: Puerto Rico / VI area earthquake activity

#6 Postby cycloneye » Mon Jan 18, 2010 8:47 pm

When I created this thread on the 15th,there were 90 quakes and tremors registered in January.Since that first post 26 more are on the January list with the strongest at 4.0 and 3.8. :eek:
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Re: Puerto Rico / VI area earthquake activity

#7 Postby Stephanie » Mon Jan 18, 2010 9:03 pm

cycloneye wrote:When I created this thread on the 15th,there were 90 quakes and tremors registered in January.Since that first post 26 more are on the January list with the strongest at 4.0 and 3.8. :eek:


How does that compare to, let's say, a year ago? Are you able to get data that far back?
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Re: Puerto Rico / VI area earthquake activity

#8 Postby cycloneye » Mon Jan 18, 2010 9:12 pm

Stephanie wrote:
cycloneye wrote:When I created this thread on the 15th,there were 90 quakes and tremors registered in January.Since that first post 26 more are on the January list with the strongest at 4.0 and 3.8. :eek:


How does that compare to, let's say, a year ago? Are you able to get data that far back?


No monthly data going back but here is the long history that the Puerto Rico / Virgin Islands area has experienced in past decades and centuries.

http://redsismica.uprm.edu/english/Info ... as_sig.php
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Re: Puerto Rico / VI area earthquake activity

#9 Postby Stephanie » Mon Jan 18, 2010 9:15 pm

That is a lot.

I was just curious to see if the activity is more frequent a year ago than now and/or stronger.
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Re: Puerto Rico / VI area earthquake activity

#10 Postby cycloneye » Mon Jan 18, 2010 9:26 pm

Stephanie wrote:That is a lot.

I was just curious to see if the activity is more frequent a year ago than now and/or stronger.


I found the stats (In Spanish) of past years 2009 not included.2008 had 2,574 quakes,225 more than 2007.

http://redsismica.uprm.edu/spanish/sismos/repanual.php
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Re: Puerto Rico / VI area earthquake activity

#11 Postby Macrocane » Mon Jan 18, 2010 9:33 pm

It's interesting that since 2000 the number of quakes began an increasing trend.
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Re: Puerto Rico / VI area earthquake activity

#12 Postby Stephanie » Mon Jan 18, 2010 9:55 pm

Macrocane wrote:It's interesting that since 2000 the number of quakes began an increasing trend.


There's a 1,200 event jump between 2005 and 2006! :eek:
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Re: Puerto Rico / VI area earthquake activity

#13 Postby cycloneye » Sat Jan 23, 2010 1:30 pm

Here is the earthquake history since 1990 to present.This updates as a new quake occurs in the region of the Puerto Rico trench to the north of Puerto Rico,the Mona Passage fault at the Mona Channel and the Sombrero fault located just NE of the Puerto Rico / Virgin Islands area.As you can see,we have a very active history of quakes.

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Re: Puerto Rico / VI area earthquake activity

#14 Postby Gustywind » Sat Jan 23, 2010 1:42 pm

cycloneye wrote:Here is the earthquake history since 1990 to present.This updates as a new quake occurs in the region of the Puerto Rico trench to the north of Puerto Rico,the Mona Passage fault at the Mona Channel and the Sombrero fault located just NE of the Puerto Rico / Virgin Islands area.As you can see,we have a very active history of quakes.

Image

Absolutely Luis, tkanks for posting this :) , it's pretty interresting! "Very active history of quakes" is for my part... an euphemisma! :oops: Let's be always on our guard, things can turn quickly as Mother Nature has always surprise in store. Be vigilant my carib friends!
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#15 Postby Gustywind » Sun Jan 24, 2010 5:51 pm

Earthquake in Guadeloupe have been felt! I'm was just on my chair, nothing serious i tkink but i feel it.
I will keep you informed...
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Re:

#16 Postby cycloneye » Sun Jan 24, 2010 6:03 pm

Gustywind wrote:Earthquake in Guadeloupe have been felt! I'm was just on my chair, nothing serious i tkink but i feel it.
I will keep you informed...


5.1 quake just off Guadeloupe

It was very deep at 67 feet.

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Re: Re:

#17 Postby Gustywind » Sun Jan 24, 2010 6:06 pm

cycloneye wrote:
Gustywind wrote:Earthquake in Guadeloupe have been felt! I'm was just on my chair, nothing serious i tkink but i feel it.
I will keep you informed...


5.1 quake just off Guadeloupe

It was very deep at 67 feet.

Image

Ok tkanks Luis :) , hopefully very deep for sure! When i was saying yesterday that we should be on our guard... here is the fact.
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Re: PR / VI / L Antilles seismic activity=5.1 off Guadeloupe

#18 Postby cycloneye » Sun Jan 24, 2010 6:16 pm

As it has been said at other threads in the forum,the Caribbean plate is on fire.If there is some good news about this is that the plate in the Eastern Caribbean is accomodating with the many hundreds of less strong tremors that are occuring in all the area of Puerto Rico,Virgin islands and the Lesser Antilles. We have seen how the Western part of the plate has been with Haiti's big one.Lets hope that the eastern part of the plate continues to accomodate with small to moderate quakes.
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Re: PR / VI / L Antilles seismic activity=5.1 off Guadeloupe

#19 Postby Macrocane » Sun Jan 24, 2010 6:45 pm

One more added to the list :eek: The good news is that it seem that no damages occured.
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#20 Postby Gustywind » Mon Jan 25, 2010 8:41 am

Numbers have been lowered for this quake, consequently it was a 4.7 quake on Ritcher's scale, given our journalists.
:rarrow: http://guadeloupe.rfo.fr/infos/actualit ... 16766.html
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