Minor earthquake, 3.7 mag strikes near San Antonio in Puerto Rico

A minor earthquake with magnitude 3.7 (ml/mb) was reported 148 km NNW of San Antonio, Puerto Rico (92 miles) on Monday. Exact location, longitude -67.6136° West, latitude 19.7446° North, depth = 38 km. Global date and time of event UTC/GMT: 14/12/15 / 2015-12-14 06:29:28 / December 14, 2015 @ 6:29 am. The temblor was detected at 01:29:28 / 1:29 am (local time epicenter). The epicenter of the earthquake was roughly 38 km (24 miles) below the earth’s surface. Event id: pr15348000. Ids that are associated to the earthquake: pr15348000.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days thirteen and in the last 365 days two hundred and thirty-five earthquakes of magnitude 3.0 or greater that have been detected nearby.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 148 km NNW of San Antonio, Puerto Rico.

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-67.6136° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.7446° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	38 km	Depth of the event in kilometers.
Place	148km NNW of San Antonio, 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	2015-12-14 06:29:28	Time when the event occurred. UTC/GMT
Updated	2015-12-14 07:08:21	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	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	211	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	16	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.35465945	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	309.6	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	pr15348000	Id of event.
Event Code	15348000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr15348000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.7 mag strikes near San Antonio in Puerto Rico

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