Caribbean seismic activity

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Gustywind
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#141 Postby Gustywind » Mon Aug 22, 2011 3:52 pm

Ok thanks Barbara, no signs here in Guadeloupe given the citizens of Guadeloupe. If i have any infos i will keep you informed as possible.
Gustywind :)
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Re: St. Maarten just felt a strong earthquake

#142 Postby WeatherLovingDoc » Mon Aug 22, 2011 6:29 pm

Wow Ms Bee, a hectic heart thumping couple of days for you all. 4.7 magnitude is scary. I hope it's a loner, and just want to let you know your friends are thinking of you all down in the islands. Stay safe.
-WLD
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Re: St. Maarten just felt a strong earthquake

#143 Postby Stephanie » Tue Aug 23, 2011 5:55 pm

Strange and then a 5.8 follows yours along the East Coast of the US a few days later. :eek:
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#144 Postby Gustywind » Tue Aug 23, 2011 9:04 pm

Earthquakes everywhere and more frequents the last days. Something to meditate for sure :double:
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St. Maarten just felt a strong earthquake

#145 Postby Nightwatch » Sat Aug 27, 2011 11:46 am

4.6 now at Aruba
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Re: Eastern Caribbean seismic activity

#146 Postby cycloneye » Sat Aug 27, 2011 12:18 pm

4.6 quake in Aruba

Magnitude 4.6
Date-Time Saturday, August 27, 2011 at 16:15:26 UTC
Saturday, August 27, 2011 at 12:15:26 PM at epicenter
Time of Earthquake in other Time Zones

Location 12.604°N, 69.740°W
Depth 20.5 km (12.7 miles)
Region ARUBA REGION
Distances 33 km (20 miles) ENE of ORANJESTAD, Aruba
105 km (65 miles) WNW of WILLEMSTAD, Curacao, Neth. Antilles
131 km (81 miles) N of Coro, Venezuela
1824 km (1133 miles) SE of Miami, Florida

Location Uncertainty horizontal +/- 21.5 km (13.4 miles); depth +/- 4.5 km (2.8 miles)
Parameters NST= 47, Nph= 47, Dmin=423 km, Rmss=0.94 sec, Gp= 83°,
M-type=body wave magnitude (Mb), Version=4
Source Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)

Event ID usc0005kp6

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Re: Eastern Caribbean seismic activity

#147 Postby GCANE » Wed Aug 31, 2011 4:09 am

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Re: Eastern Caribbean seismic activity

#148 Postby alan1961 » Fri Sep 09, 2011 8:40 am

5.0 Magnitude quake close to Martinique and Dominica but deep.
Any of the storm2k members in this region feel it?

Image

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Re: Eastern Caribbean seismic activity

#149 Postby GCANE » Fri Sep 09, 2011 10:15 am

alan1961 wrote:5.0 Magnitude quake close to Martinique and Dominica but deep.
Any of the storm2k members in this region feel it?

Image




Here is where TS Maria was at the time of the quake.


Image
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Re: Eastern Caribbean seismic activity

#150 Postby sittingduck » Fri Sep 09, 2011 12:41 pm

Hey GCANE,
I always come in here and read what you are posting but don't comment - but thanks for doing this - it is very interesting. On the last quake that is fairly close to Maria - I noticed that you said that it was a deep quake - and I noticed that is was over 90 miles deep - is that unusually deep?
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Re: Eastern Caribbean seismic activity

#151 Postby GCANE » Sat Sep 10, 2011 6:14 am

sittingduck wrote:Hey GCANE,
I always come in here and read what you are posting but don't comment - but thanks for doing this - it is very interesting. On the last quake that is fairly close to Maria - I noticed that you said that it was a deep quake - and I noticed that is was over 90 miles deep - is that unusually deep?


Your welcome SittingDuck.

It is deep, most in the Carib are more shallow.

I need to find out if this part of the plate is subducting.
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Re: Eastern Caribbean seismic activity

#152 Postby GCANE » Sat Sep 10, 2011 6:17 am

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Re: Eastern Caribbean seismic activity

#153 Postby cycloneye » Tue Sep 27, 2011 4:21 pm

A 4.6 quake occured just NE of the Virgin Islands. No damage reported.

Image

Magnitude 4.6
Date-Time Tuesday, September 27, 2011 at 19:27:09 UTC
Tuesday, September 27, 2011 at 03:27:09 PM at epicenter
Time of Earthquake in other Time Zones

Location 18.922°N, 64.352°W
Depth 19 km (11.8 miles)
Region VIRGIN ISLANDS REGION
Distances 22 km (13 miles) N (351°) from Settlement, Anegada, British Virgin Islands
53 km (33 miles) N (10°) from Spanish Town, Virgin Gorda, British Virgin Islands
56 km (35 miles) NNE (24°) from East End-Long Look, Tortola, British Virgin Islands
59 km (37 miles) NNE (28°) from ROAD TOWN, British Virgin Islands
180 km (112 miles) ENE (71°) from Carolina, PR

Location Uncertainty horizontal +/- 1.4 km (0.9 miles); depth +/- 3.2 km (2.0 miles)
Parameters NST= 73, Nph= 73, Dmin=136.6 km, Rmss=0.28 sec, Gp=212°,
M-type=body wave magnitude (Mb), Version=2
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Re: Eastern Caribbean seismic activity

#154 Postby cycloneye » Wed Oct 19, 2011 9:47 am

A moderate quake occured on Tuesday evening with epicenter just NE of Antigua and Barbuda.

Magnitude 4.1
Date-Time Tuesday, October 18, 2011 at 23:49:42 UTC
Tuesday, October 18, 2011 at 07:49:42 PM at epicenter
Time of Earthquake in other Time Zones

Location 17.823°N, 61.659°W
Depth 25.5 km (15.8 miles)
Region ANTIGUA AND BARBUDA REG, LEEWARD ISLANDS
Distances 10 km (6 miles) NNE of Codrington, Barbuda
67 km (41 miles) N of SAINT JOHN'S, Antigua
109 km (67 miles) ENE of BASSETERRE, St. Kitts and Nevis
468 km (290 miles) E of SAN JUAN, Puerto Rico

Location Uncertainty horizontal +/- 12.9 km (8.0 miles); depth +/- 8.9 km (5.5 miles)
Parameters NST= 36, Nph= 36, Dmin=21.7 km, Rmss=0.88 sec, Gp=216°,
M-type=body wave magnitude (Mb), Version=4
Source USGS NEIC (WDCS-D)

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Re: Eastern Caribbean seismic activity

#155 Postby cycloneye » Wed Nov 09, 2011 6:58 pm

A 3.8 quake occured near the British Virgin Islands.

Magnitude 3.8
Date-Time Wednesday, November 09, 2011 at 20:18:56 UTC
Wednesday, November 09, 2011 at 04:18:56 PM at epicenter
Time of Earthquake in other Time Zones

Location 19.367°N, 64.263°W
Depth 123.7 km (76.9 miles)
Region VIRGIN ISLANDS REGION
Distances 71 km (44 miles) N (5°) from Settlement, Anegada, British Virgin Islands
104 km (64 miles) N (10°) from Spanish Town, Virgin Gorda, British Virgin Islands
106 km (66 miles) NNE (18°) from East End-Long Look, Tortola, British Virgin Islands
109 km (68 miles) NNE (20°) from ROAD TOWN, British Virgin Islands
210 km (130 miles) ENE (59°) from Carolina, PR

Location Uncertainty horizontal +/- 5.9 km (3.7 miles); depth +/- 9.5 km (5.9 miles)
Parameters NST= 10, Nph= 10, Dmin=192.1 km, Rmss=0.23 sec, Gp=234°,
M-type=duration magnitude (Md), Version=0
Source Puerto Rico Seismic Network, University of Puerto Rico

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Re: Eastern Caribbean seismic activity

#156 Postby cycloneye » Sun Nov 13, 2011 4:30 pm

A swarm of quakes occured between the 12th and 13th just NE of the Virgin Islands.

Image
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#157 Postby Nightwatch » Mon Nov 14, 2011 12:38 pm

4.3 quake haiti
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Re: Eastern Caribbean seismic activity

#158 Postby GCANE » Tue Nov 15, 2011 5:44 am

Seven quakes have rocked Caribbean islands as of Saturday and another tremor occurred in Haiti this Monday, arising concern among experts about a likely seismic reactivation in the area.

"For some days we have observed an unusual activity that seems to be linked to the subduction of the Caribbean tectonic plate," Saint Lucian seismologist Bruce Kleever told Prensa Latina.

Seven tremors were felt in the British overseas territories in East Caribbean over the weekend, according to the Disaster Management Department of the Virgin Islands.

"The seisms were of 3.5-4.6 magnitude and could also be felt in Puerto Rico.

A 4.3-magnitude quake rocked southern Haiti early morning today, one year, ten months and two days after the worst seism in the history of this country occurred.

According to the expert, the tremor might indicate an area of seismic activity also in the northern Caribbean plate.

For years, the specialists have feared the likelihood of powerful quakes and ensuing tsunamis in the Caribbean because of the existence in the area of important focuses of danger of tectonic movement.

One of them is located near Dominica, considered the point with the largest number of potentially active volcanoes in the world.

At least 88 tsunamis have occurred in the Caribbean in the past 500 years, the worst of them in 1946, killing some 1,600 people.

http://www.plenglish.com/index.php?opti ... 2&Itemid=1
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Re: Eastern Caribbean seismic activity

#159 Postby GCANE » Tue Nov 15, 2011 5:47 am

STRONGEST AFTERSHOCK IN HAITI IN MORE THAN A YEAR

EARTHQUAKE SUMMARY FOR NOVEMBER 14, 2011

An earthquake of M 4.3 in Haiti today continued the elevated seismicity level of the Caribbean which has been occurring over the past week. This is the strongest aftershock of the M 7.0 earthquake in Haiti which occurred on January 12, 2010 in more than a year. That mainshock killed nearly 300,000 people while devastating the nation of Haiti economically. The last aftershocks of similar or larger magnitude than M 4.3 occurred on November 12, 2010 (M 4.5); September 21, 2010 (M 4.5) and May 20, 2010 (M 4.3). The last event of significantly larger magnitude occurred in February, 2010 with M 4.8. NEIC reported today's event was felt with intensity I-II in Leogane and Port-au-Prince, Haiti and Santo Domingo, Dominican Republic.

http://www.earthquakesummary.info/
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Re: Eastern Caribbean seismic activity

#160 Postby GCANE » Wed Nov 16, 2011 7:57 am

A quake in Haiti, swarms in the Virgin Islands, Puerto Rico- tension mounts on Caribbean plate

http://hisz.rsoe.hu/alertmap/site/?page ... -33052-MLC


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