Minor earthquake 3.15 mag, 111 km N of San Juan, Puerto Rico

A minor earthquake magnitude 3.15 (ml/mb) has struck on Monday, 111 km N of San Juan, Puerto Rico (69 miles). Exact time and date of event in UTC/GMT: 04/12/17 / 2017-12-04 13:21:03 / December 4, 2017 @ 1:21 pm. Exact location of earthquake, longitude -66.081 West, latitude 19.47 North, depth = 33 km. All ids that are associated to the event: pr2017338006. Unique identifier: pr2017338006. The earthquake occurred at a depth of 33 km (21 miles). The temblor was detected at 09:21:03 / 9:21 am (local time epicenter).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days ten, in the past 30 days fifteen and in the last 365 days two hundred and fourty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 111 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.15 mb	The magnitude for the event.
Longitude	-66.081° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.47° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	33 km	Depth of the event in kilometers.
Place	111km 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	2017-12-04 13:21:03	Time when the event occurred. UTC/GMT
Updated	2017-12-04 16:14:49	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	153	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	8	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.3095	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.32 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	284	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	pr2017338006	Id of event.
Event Code	2017338006	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2017338006,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.15 mag, 111 km N of San Juan, Puerto Rico

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