Minor earthquake, 3.5 mag has occurred near Brenas in Puerto Rico

A minor earthquake with magnitude 3.5 (ml/mb) was reported 117 km N of Brenas, Puerto Rico (73 miles) on Friday. Unique identifier: pr15261006. Ids that are associated to the event: pr15261006. Exact location of event, longitude -66.3417 West, latitude 19.5244 North, depth = 56 km. The temblor was picked up at 18:55:35 / 6:55 pm (local time epicenter). Exact time and date of event in UTC/GMT: 18/09/15 / 2015-09-18 22:55:35 / September 18, 2015 @ 10:55 pm. The earthquake was roughly at a depth of 56 km (35 miles).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days eighteen, in the past 30 days fifty-seven and in the last 365 days three hundred and ninety-six earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 117 km N of Brenas, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

Brenas Puerto Rico

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-66.3417° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.5244° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	56 km	Depth of the event in kilometers.
Place	117km N of Brenas, 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	2015-09-18 22:55:35	Time when the event occurred. UTC/GMT
Updated	2015-09-18 23:55:44	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	188	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	15	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.05552046	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.73 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	226.8	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	pr15261006	Id of event.
Event Code	15261006	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr15261006,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag has occurred near Brenas in Puerto Rico

How would you describe the shaking?

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