Minor earthquake: M3.4 quake has struck near San Juan in Puerto Rico

A minor earthquake with magnitude 3.4 (ml/mb) was reported 124 km N of San Juan, Puerto Rico (77 miles) on Friday. The 3.4-magnitude earthquake was detected at 10:43:18 / 10:43 am (local time epicenter). The earthquake was roughly at a depth of 38 km (24 miles). All ids that are associated to the event: pr16092004. Unique identifier: pr16092004. Exact location of event, longitude -65.9677 West, latitude 19.5862 North, depth = 38 km. Global time and date of event 01/04/16 / 2016-04-01 14:43:18 / April 1, 2016 @ 2:43 pm UTC/GMT.

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days ten and in the last 365 days four hundred and ninety earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

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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. 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: 124 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.4 mb	The magnitude for the event.
Longitude	-65.9677° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.5862° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	38 km	Depth of the event in kilometers.
Place	124km N of San Juan, 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	2016-04-01 14:43:18	Time when the event occurred. UTC/GMT
Updated	2016-04-01 15:16:32	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	178	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	11	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.22440373	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.34 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	313.2	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	pr16092004	Id of event.
Event Code	16092004	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr16092004,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.4 quake has struck near San Juan in Puerto Rico

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