Minor earthquake: M3.3 quake has struck near Isabela in Puerto Rico

A minor earthquake magnitude 3.3 (ml/mb) strikes 56 kilometers (35 miles) from Isabela in Puerto Rico on Sunday. The temblor was detected at 08:18:13 / 8:18 am (local time epicenter). Event ids that are associated to the earthquake: pr16059018. Id of event: pr16059018. Global time and date of event 28/02/16 / 2016-02-28 12:18:13 / February 28, 2016 @ 12:18 pm UTC/GMT. The epicenter of the earthquake was roughly 79 km (49 miles) below the earth’s surface. Exact location of earthquake, longitude -66.9586 West, latitude 19.0046 North, depth = 79 km.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 64 km (40 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Barceloneta (c. 22 300 pop), 81 km (50 miles) from Manatí (c. 16 100 pop), 67 km (42 miles) from Aguadilla (c. 16 100 pop), 56 km (35 miles) from Isabela (c. 12 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Estancias de Florida, Manatí, Rincón (min 5000 pop).

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days twenty-two and in the last 365 days four hundred and fifty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 56 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-66.9586° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.0046° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	79 km	Depth of the event in kilometers.
Place	56km N of Isabela, Puerto Rico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-02-28 12:18:13	Time when the event occurred. UTC/GMT
Updated	2016-02-28 16:31:39	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	REVIEWED	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	168	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pr	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pr,	A comma-separated list of network contributors.
Number of Stations Used	12	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.66385499	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.28 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	262.8	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pr16059018	Id of event.
Event Code	16059018	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr16059018,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.3 quake has struck near Isabela in Puerto Rico

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