2 moderate earthquakes in the coastal waters of Puerto Rico

Earthquake overview : 2 moderate shallow earthquakes occurred at 2 AM just off the western Puerto Rico coast. The earthquakes were also felt as weak shaking in the Dominican Republic.
"I Felt it" Reports --> see below + Let us know "how you felt this earthquake"
To read the full story as it happened, we advise our readers to start at the lower part of the page (earthquake data).

Keep this page open or return regularly as we will be back with more details when they become available

Felt reports from the greater epicenter area - image courtesy USGS

Update 13:48 UTC : The Red Sismica Puerto Rico is mentioning a max. VI MMI recorded in Mayaguez (strong shaking).  There are many reports of fallen objects like books, statues, hanging objects, etc. Many people mentioned a loud rumble.  The Agencia Estatal para el Manejo de Emergencias y Administración de Desastres (AEMEAD) reported that no serious damage has occurred.

Update : The earthquake was also felt in the Dominican Republic.

Update : Since the first quake a number of aftershocks have been registered and we expect more to come.

Update : NO damage has been reported so far. We will have to wait until daylight before this can be confirmed.

Update : Max. intensity as reported by people near the epicenter was V (moderate shaking).

Update :  The earthquakes were clearly felt by people living all over the island of Puerto Rico.

Update :People living at the western coast close to the epicenter had the impression that the quakes were more dangerous than measured.

Update : Luckily the epicenter was not below land, but approx. 20 km out in the Mona passage.

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"I Felt It" reports as received by Earthquake-Report.com
Puerto Rico : Un temblor con 2 replicas a las 210AM. Estaba durmiendo cuando empezo , temblo toda la cama bien fuerte y en eso sali corriendo de un segundo piso, cargando dos ninos que fue mas el susto.
Puerto Real : Se sintio la sacudoda bien fuerte, pero lo impresionante fue el ruido estruendoso como si estuvieran aplastando un vehiculo, ahh y como si hubiera sido en el patio de la casa.
Aguadilla : I was reading on the couch, and the couch and my entire house had light to maybe moderate shaking.
Mayaguez : I was frighten for the first time in my life by an earthquake. The first episode woke me up, the second I could like feel the waves, and hear my neighbors scream and shout our their fears. But luckily it was nothing to compare with Haiti's and other earthquakes.
Carolina : Two were felt, the strongest of the two at 2 and the second about 2:05 am.
Aguada : Thought the house was breaking apart on the 5.3 quake. We are at Carr 4418, km 3.5 We started to leave the house. We are on the 2nd floor.
Arecibo : First shake at about 06.07 UT, followed up by a stronger shake at about 06.10 UT. We only recognized the first event because of rattling of our bedroom wardrobe sliding door. The second event was stronger and again the wardrobe door rattled, but this time we could feel mild movement of the ground too. No damage.
République Dominicaine : 02h05 craquement vec légère  secousse. 02h10 secousse plus forte durée environ 4 secondes.
Isabela : At 2:10 am local time a large shake was felt, after a few seconds a larger movement was felt. At 2:18 an after shock was felt smaller than the first.
Punta Cana (Republique Dominicaine) : leger craquement des meubles ,les chaises ont  cogné dans les vitres, sensation de deplacement lateral dans le lit.
Punta Cana (Republique Dominicaine) : Dans la nuit de vendredi à samedi, soit le 17 décembre 2011. Une première secousse s'est fait sentir à 2 h 11 a.m. et la deuxième à 2 h 14, trois minutes plus tard. Nous étions au Majestic Elegance resort de Punta Cana, au dernier étage d'un édifice de 4 étages. Difficile d'évaluer l'intensité des secousses et la durée, c'est toujours impressionnant et épeurant à la fois.  Marie Bouffard et Jean Royer, Sherbrooke Canada
Punta Cana (Republique Dominicaine) : La première secousse nous a réveillé et nous attendions la suivante... en espérant qu'elle soit aussi faible.  Nous étions au deuxième étage et nous avons entendu des bruits de vitre, probablement les bouteilles qui se cognaient contre elles dans le petit frigo de la chambre.  Heureusement, ça n'a pas duré longtemps et le lendemain, personne en parlait...??  Surprenant!!          Anne et André, Trois-Rivières, Québec, Canada

Most important Earthquake Data:
Magnitude : 5.3  (first one was 5.1)
UTC Time : Saturday, December 17, 2011 at 06:09:09 UTC  (first one 06:06)
Local time at epicenter : Saturday, December 17, 2011 at 02:09:09 AM at epicenter   (first one 02:06)
Depth (Hypocenter) : 17 km   (first one 14 km)
Geo-location(s) :
21 km (13 miles) SW (218°) from Stella, PR
22 km (14 miles) WNW (298°) from Puerto Real, PR
135 km (84 miles) WSW (255°) from SAN JUAN, Puerto Rico

Links to important maps
USGS Did You Feel It Map
Google satellite map showing the epicenter and the surrounding area
Historic earthquakes map
Seismic hazard map
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I felt it – Ik heb het gevoeld – Το έκανα αισθάνεται Yo lo he sentido – 我的确感到了 – 私はそれを感じていました- Ich habe es gefühlt – Bunu hissediyorum yaptı – لم أشعر أنه

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