Minor earthquake, 3.36 mag has occurred near San Juan in Puerto Rico

A minor earthquake magnitude 3.36 (ml/mb) has struck on Saturday, 146 km N of San Juan, Puerto Rico (91 miles). Date and time of earthquake in UTC/GMT: 23/12/17 / 2017-12-23 15:20:01 / December 23, 2017 @ 3:20 pm. Exact location, longitude -66.2545° West, latitude 19.785° North, depth = 51 km. The 3.36-magnitude earthquake has occurred at 11:20:01 / 11:20 am (local time epicenter). The earthquake occurred at a depth of 51 km (32 miles). Unique identifier: pr2017357002. Ids that are associated to the event: pr2017357002.

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

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 146 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.36 mb	The magnitude for the event.
Longitude	-66.2545° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.785° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	51 km	Depth of the event in kilometers.
Place	146km 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	2017-12-23 15:20:01	Time when the event occurred. UTC/GMT
Updated	2017-12-23 20:25:22	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		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	174	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	5	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.5225	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.55 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	307	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	pr2017357002	Id of event.
Event Code	2017357002	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2017357002,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.36 mag has occurred near San Juan in Puerto Rico

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