Minor earthquake: M3.77 quake has struck near Brenas in Puerto Rico

A minor earthquake with magnitude 3.77 (ml/mb) was detected on Friday, 131 km N of Brenas, Puerto Rico (81 miles). All ids that are associated to the event: pr2018061000. Unique identifier: pr2018061000. Exact time and date of earthquake 02/03/18 / 2018-03-02 04:00:22 / March 2, 2018 @ 4:00 am UTC/GMT. The 3.77-magnitude earthquake was detected at 00:00:22 / 12:00 am (local time epicenter). The earthquake was roughly at a depth of 39 km (24 miles). Exact location of earthquake, -66.2658° West, 19.6521° North, depth 39 km.

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 eight, in the past 30 days twenty-four and in the last 365 days one hundred and ninety earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes in the world each year.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 131 km N of Brenas, Puerto Rico.

Brenas Puerto Rico

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Parameter	Value	Description
Magnitude	3.77 mb	The magnitude for the event.
Longitude	-66.2658° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.6521° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39 km	Depth of the event in kilometers.
Place	131km N of Brenas, 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	2018-03-02 04:00:22	Time when the event occurred. UTC/GMT
Updated	2018-03-02 04:31:31	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	219	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	1.3554	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.47 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	268	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	pr2018061000	Id of event.
Event Code	2018061000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2018061000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.77 quake has struck near Brenas in Puerto Rico

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