Minor earthquake, 3.34 mag strikes near San Juan in Puerto Rico

A minor earthquake with magnitude 3.34 (ml/mb) was reported 115 km N of San Juan, Puerto Rico (71 miles) on Wednesday. Exact time and date of earthquake 17/01/18 / 2018-01-17 04:40:57 / January 17, 2018 @ 4:40 am UTC/GMT. Unique identifier: pr2018017002. Ids that are associated to the event: pr2018017002. The temblor was reported at 00:40:57 / 12:40 am (local time epicenter). The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Exact location of earthquake, -66.0855° West, 19.514° North, depth 35 km.

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

Questions or comments?

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: 115 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.34 mb	The magnitude for the event.
Longitude	-66.0855° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.514° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	115km 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	2018-01-17 04:40:57	Time when the event occurred. UTC/GMT
Updated	2018-01-17 07:49:43	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	172	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	10	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.205	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.39 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	281	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	pr2018017002	Id of event.
Event Code	2018017002	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2018017002,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.34 mag strikes near San Juan in Puerto Rico

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