Caribbean seismic activity

[cycloneye]

There has been a swarm of quakes this morning near PR and St Maarten,the strongest a 5.1 north of PR at 6:35 AM. I felt it,but no damage has been reported here.

[cycloneye]

The 5.1 quake was upgraded to 5.2.

Magnitude 5.2
Date-Time Monday, November 28, 2011 at 10:35:57 UTC
Monday, November 28, 2011 at 06:35:57 AM at epicenter
Time of Earthquake in other Time Zones

Location 19.098°N, 66.747°W
Depth 15 km (9.3 miles) (poorly constrained)
Region PUERTO RICO REGION
Distances 69 km (43 miles) N (4°) from Carrizales, PR
69 km (43 miles) N (7°) from Hatillo, PR
69 km (43 miles) N (9°) from Camuy, PR
94 km (58 miles) NW (317°) from SAN JUAN, Puerto Rico

Location Uncertainty horizontal +/- 1.6 km (1.0 miles); depth +/- 31.6 km (19.6 miles)
Parameters NST= 26, Nph= 30, Dmin=79.5 km, Rmss=0.66 sec, Gp=202°,
M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=1

[alan1961]

a strong 5.6 to the east of the islands and fairly shallow.

[cycloneye]

Two moderate quakes occured this morning in the Mona Passage,but no damage was reported.

Magnitude 5.1
Date-Time Saturday, December 17, 2011 at 06:06:12 UTC
Saturday, December 17, 2011 at 02:06:12 AM at epicenter
Time of Earthquake in other Time Zones

Location 18.188°N, 67.370°W
Depth 14 km (8.7 miles)
Region MONA PASSAGE, PUERTO RICO
Distances 20 km (12 miles) SW (221°) from Stella, PR
21 km (13 miles) SW (216°) from Rincón, PR
22 km (14 miles) WSW (240°) from La Playa, PR
82 km (51 miles) WNW (284°) from Ponce, PR
135 km (84 miles) WSW (256°) from SAN JUAN, Puerto Rico

Location Uncertainty horizontal +/- 2 km (1.2 miles); depth +/- 2.2 km (1.4 miles)
Parameters NST= 21, Nph= 21, Dmin=24.5 km, Rmss=0.34 sec, Gp=130°,
M-type=regional moment magnitude (Mw), Version=3




Magnitude 5.3
Date-Time Saturday, December 17, 2011 at 06:09:09 UTC
Saturday, December 17, 2011 at 02:09:09 AM at epicenter
Time of Earthquake in other Time Zones

Location 18.172°N, 67.371°W
Depth 17 km (10.6 miles)
Region MONA PASSAGE, PUERTO RICO
Distances 21 km (13 miles) SW (218°) from Stella, PR
22 km (14 miles) WNW (298°) from Puerto Real, PR
23 km (14 miles) SW (214°) from Rincón, PR
82 km (51 miles) WNW (283°) from Ponce, PR
135 km (84 miles) WSW (255°) from SAN JUAN, Puerto Rico

Location Uncertainty horizontal +/- 1.7 km (1.1 miles); depth +/- 1.2 km (0.7 miles)
Parameters NST= 21, Nph= 21, Dmin=24.8 km, Rmss=0.15 sec, Gp=209°,
M-type=regional moment magnitude (Mw), Version=1

[summersquall]

Aftershocks
http://earthquake.usgs.gov/earthquakes/ ... es_all.php
MAG UTC DATE-TIME LAT LON DEPTH
2.5 2011/12/17 19:47:51 18.180 -67.356 5.9 MONA PASSAGE, PR
 3.0  2011/12/17 11:43:20   18.166   -67.366  12.4   MONA PASSAGE, PR
 3.1  2011/12/17 10:05:32   18.165   -67.375  17.8   MONA PASSAGE, PR
 2.8  2011/12/17 09:48:34   18.188   -67.372  11.8   MONA PASSAGE, PR
 2.5  2011/12/17 08:00:57   18.194   -67.340 15.6   MOVA PASSAGE, PR
 2.6  2011/12/17 07:34:48   18.191   -67.342  17.2   MONA PASSAGE, PR
 3.1  2011/12/17 07:32:20  18.179   -67.371  16.2   MONA PASSAGE, PR
 3.1  2011/12/17 07:30:21   18.195   -67.380  16.8   MONA PASSAGE, PR
 3.1  2011/12/17 07:03:18   18.178   -67.366  21.5   MONA PASSAGE, PR
 2.5  2011/12/17 07:01:08   18.174   -67.382  16.3   MONA PASSAGE, PR
 3.2  2011/12/17 06:45:56   18.184   -67.394   7.6  MONA PASSAGE, PR
 2.5  2011/12/17 06:40:09   18.152   -67.397  17.2   MONA PASSAGE, PR
 2.7  2011/12/17 06:38:23   18.160   -67.391  15.1   MONA PASSAGE, PR
 3.1  2011/12/17 06:32:18   18.158   -67.365  16.0   MONA PASSAGE, PR
 2.6  2011/12/17 06:23:08   18.189   -67.357  13.0   MONA PASSAGE, PR
 3.2  2011/12/17 06:21:03   18.185   -67.380  17.0   MONA PASSAGE, PR
 2.5  2011/12/17 06:16:39   18.186   -67.355  12.0   MONA PASSAGE, PR
 3.0  2011/12/17 06:14:20   18.186   -67.319  7.2  MONA PASSAGE, PR

[cycloneye]

A 5.3 quake rocked the Dominican Republic this morning.

[cycloneye]

A 5.0 quake occured early this morning just south of the Dominican Republic.


Magnitude

5.0



Date-Time

Thursday, January 19, 2012 at 06:28:20 UTC
Thursday, January 19, 2012 at 02:28:20 AM at epicenter
Time of Earthquake in other Time Zones



Location

18.052°N, 68.762°W



Depth

82.6 km (51.3 miles)



Region

DOMINICAN REPUBLIC REGION



Distances

47 km (30 miles) SSE (152°) from La Romana, La Romana, Dominican Republic
63 km (39 miles) S (185°) from Higüey, La Altagracia, Dominican Republic
74 km (46 miles) SE (128°) from San Pedro de Macorís, San Pedro de Macorís, Dominican Republic
135 km (84 miles) ESE (111°) from SANTO DOMINGO, Dominican Republic



Location Uncertainty

horizontal +/- 4.5 km (2.8 miles); depth +/- 4.7 km (2.9 miles)



Parameters

NST= 20, Nph= 20, Dmin=104.4 km, Rmss=0.43 sec, Gp=198°,
M-type=duration magnitude (Md), Version=1

[cycloneye]

A 5.1 quake occured in the north coast of the Dominican Republic.


Magnitude
5.1
Date-Time
Monday, January 23, 2012 at 20:50:14 UTC
Monday, January 23, 2012 at 04:50:14 PM at epicenter
Time of Earthquake in other Time Zone
Location

19.572°N, 70.073°W

Depth

7.4 km (4.6 miles)

Region

DOMINICAN REPUBLIC

Distances

35 km (21 miles) NNE of San Francisco de Macoris, D.R.
67 km (41 miles) ENE of Santiago, Dominican Republic
123 km (76 miles) N of SANTO DOMINGO, Dominican Republic
1246 km (774 miles) ESE of Miami, Florida

Location Uncertainty

horizontal +/- 10.6 km (6.6 miles); depth +/- 5.3 km (3.3 miles)

Parameters

NST=363, Nph=370, Dmin=123.6 km, Rmss=0.9 sec, Gp= 22°,
M-type=body wave magnitude (Mb), Version=5

[cycloneye]

A 4.6 quake occured late in the afternoon almost at the same area as the 23rd one.


Magnitude
4.6
Date-Time

Tuesday, January 24, 2012 at 21:45:23 UTC
Tuesday, January 24, 2012 at 05:45:23 PM at epicenter
Time of Earthquake in other Time Zones

Location
19.578°N, 70.067°W
Depth
10 km (6.2 miles)
Region
DOMINICAN REPUBLIC
Distances
36 km (22 miles) NNE of San Francisco de Macoris, D.R.
67 km (41 miles) ENE of Santiago, Dominican Republic
124 km (77 miles) N of SANTO DOMINGO, Dominican Republic
1245 km (773 miles) ESE of Miami, Florida

Location Uncertainty

horizontal +/- 16.3 km (10.1 miles); depth +/- 3.1 km (1.9 miles)
Parameters
NST= 38, Nph= 38, Dmin=124.7 km, Rmss=1.22 sec, Gp=119°,
M-type=body wave magnitude (Mb), Version=6


.

[cycloneye]

A 4.1 quake occured near Martinique.


Magnitude

4.1
Date-Time

Sunday, January 29, 2012 at 11:33:14 UTC
Sunday, January 29, 2012 at 07:33:14 AM at epicenter
Time of Earthquake in other Time Zones
Location

14.280°N, 60.246°W
Depth

68.6 km (42.6 miles)
Region

MARTINIQUE REGION, WINDWARD ISLANDS
Distances

86 km (53 miles) ENE of CASTRIES, St. Lucia
96 km (59 miles) ESE of FORT-DE-FRANCE, Martinique
147 km (91 miles) NNW of BRIDGETOWN, Barbados
782 km (485 miles) SE of SAN JUAN, Puerto Rico

Location Uncertainty

horizontal +/- 30.3 km (18.8 miles); depth +/- 38.1 km (23.7 miles)

Parameters

NST= 15, Nph= 20, Dmin=109.1 km, Rmss=1.43 sec, Gp=184°,
M-type=body wave magnitude (Mb), Version=7

Source

Magnitude: USGS NEIC (WDCS-D)

[cycloneye]

A 3.6 quake occured in the morning of April 10, a few miles NW of Puerto Rico.

Earthquake Details

Estimated Maximum Intensity: II in Quebradillas, PR
Date: April 10, 2012 10:42:29 UTC
April 10, 2012 06:42:29 Local Time
Region: Mona Canyon
Distances: 43.68 Km Northwest of Aguadilla,PR
50.78 Km North-Northeast of Desecheo,PR
70.59 Km North-Northwest of Mayagüez,PR

Magnitude: 3.56 Md
Location: Latitude:18.8095 Longitude:-67.3236
Depth: 6.94 Km
Tsunami Warning Level: No tsunami threat for Puerto Rico and the Virgin Islands
Issued date and time : 2012-04-10 07:39:49

http://earthquake.usgs.gov/earthquakes/ ... 05#summary

[cycloneye]

A moderate 3.6 quake occured in the Mona Channel.

http://earthquake.usgs.gov/earthquakes/map/

[cycloneye]

A 3.5 quake occured on May 2nd north of San Juan.

http://earthquake.usgs.gov/earthquakes/ ... 00#summary

[msbee]

A moderate quake occurred last night near St. Maarten. No damages reported.

Magnitude M 4.1
Region ST. MARTIN REGION, LEEWARD ISL.
Date time 2012-06-03 00:33:04.0 UTC
Location 17.95 N ; 63.21 W
Depth 106 km
Distances 710 km E Santo domingo (pop 2,201,941 ; local time 20:33:04.5 2012-06-02)
293 km E Carolina (pop 170,404 ; local time 20:33:04.5 2012-06-02)
21 km SW Princess quarter (pop 13,048 ; local time 20:33:04.5 2012-06-02)
13 km SW Low lands (pop 249 ; local time 20:33:04.5 2012-06-02)

[cycloneye]

Earthquake Details

This event has been reviewed by a seismologist.

Magnitude 5.2 (Preliminary magnitude — update expected within 15 minutes)
Date-Time

Wednesday, July 04, 2012 at 21:29:25 UTC
Wednesday, July 04, 2012 at 05:29:25 PM at epicenter

Location 18.397°N, 62.878°W
Depth 57 km (35.4 miles) set by location program
Region ANGUILLA REGION, LEEWARD ISLANDS
Distances

27 km (17 miles) E (87°) from THE VALLEY, Anguilla
27 km (17 miles) NE (43°) from The Valley, Anguilla
31 km (20 miles) NE (46°) from Sandy Ground, , Anguilla
327 km (203 miles) E (90°) from Carolina, PR

Location Uncertainty Error estimate not available
Parameters NST= 19, Nph= 19, Dmin=43.6 km, Rmss=0.63 sec, Gp=202°,
M-type=local magnitude (ML), Version=1
Source

West Coast and Alaska Tsunami Warning Center/NOAA/NWS

Event ID at00m6nnp1

[cycloneye]

Just east of Anguilla was the epicenter.No tsunami warnings issued.



http://redsismica.uprm.edu/Spanish/Info ... II&int=III

http://redsismica.uprm.edu/Spanish/Info ... 0704212924

[msbee]

no Tsunami danger thankfully

[underthwx]

000
SEXX60 PAAQ 042131
EQIAT1

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
531 PM AST WED JUL 4 2012

...THIS IS AN INFORMATION STATEMENT...

EVALUATION
AN EARTHQUAKE HAS OCCURRED WITH A MAGNITUDE SUCH THAT A TSUNAMI
WILL NOT BE GENERATED. THIS WILL BE THE ONLY WCATWC MESSAGE
ISSUED FOR THIS EVENT.

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 5.2
TIME - 1729 EDT JUL 04 2012
1729 AST JUL 04 2012
1629 CDT JUL 04 2012
2129 UTC JUL 04 2012
LOCATION - 18.4 NORTH 62.9 WEST
95 MILES/153 KM SE OF SETTLEMENT BR. VIRGIN IS.
210 MILES/338 KM E OF SAN JUAN PUERTO RICO
DEPTH - 35 MILES/57 KM

THE LOCATION AND MAGNITUDE ARE BASED ON PRELIMINARY INFORMATION.
FURTHER INFORMATION WILL BE ISSUED BY THE UNITED STATES
GEOLOGICAL SURVEY - EARTHQUAKE.USGS.GOV - OR THE PUERTO RICO
SEISMIC NETWORK.

$$

[msbee]

We are about 10 miles from Anguilla and we felt the earthquake here quite strongly.Very heavy roaring and heavy shaking. People report being frightened but no damages have been reported.
Other islands report feeling it also.

[underthwx]

000
SEXX60 PAAQ 042131
EQIAT1

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
531 PM AST WED JUL 4 2012

...THIS IS AN INFORMATION STATEMENT...

EVALUATION
AN EARTHQUAKE HAS OCCURRED WITH A MAGNITUDE SUCH THAT A TSUNAMI
WILL NOT BE GENERATED. THIS WILL BE THE ONLY WCATWC MESSAGE
ISSUED FOR THIS EVENT.

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 5.2
TIME - 1729 EDT JUL 04 2012
1729 AST JUL 04 2012
1629 CDT JUL 04 2012
2129 UTC JUL 04 2012
LOCATION - 18.4 NORTH 62.9 WEST
95 MILES/153 KM SE OF SETTLEMENT BR. VIRGIN IS.
210 MILES/338 KM E OF SAN JUAN PUERTO RICO
DEPTH - 35 MILES/57 KM

THE LOCATION AND MAGNITUDE ARE BASED ON PRELIMINARY INFORMATION.
FURTHER INFORMATION WILL BE ISSUED BY THE UNITED STATES
GEOLOGICAL SURVEY - EARTHQUAKE.USGS.GOV - OR THE PUERTO RICO
SEISMIC NETWORK.

$$