Minor earthquake 3.7 mag, 100 km N of San Juan, Puerto Rico

A minor earthquake with magnitude 3.7 (ml/mb) was reported 100 km N of San Juan, Puerto Rico (62 miles) on Thursday. Exact time and date of event in UTC/GMT: 23/07/15 / 2015-07-23 18:13:05 / July 23, 2015 @ 6:13 pm. The temblor was reported at 14:13:05 / 2:13 pm (local time epicenter). Exact location of event, longitude -66.0999 West, latitude 19.3754 North, depth = 52 km. Event id: pr15204020. Ids that are associated to the earthquake: pr15204020. The epicenter of the earthquake was roughly 52 km (32 miles) below the earth’s surface.

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been six, in the last 10 days thirty, in the past 30 days thirty-six and in the last 365 days two hundred and ninety-seven 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.

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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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 100 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-66.0999° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.3754° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	52 km	Depth of the event in kilometers.
Place	100km 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	2015-07-23 18:13:05	Time when the event occurred. UTC/GMT
Updated	2015-07-23 18:56:18	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	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.98006197	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.25 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	pr15204020	Id of event.
Event Code	15204020	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr15204020,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.7 mag, 100 km N of San Juan, Puerto Rico

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