Minor earthquake, 3.11 mag strikes near Isabela in Puerto Rico

A minor earthquake magnitude 3.11 (ml/mb) has struck on Wednesday, 87 km NNW of Isabela, Puerto Rico (54 miles). The epicenter was at a depth of 26 km (16 miles). Id of earthquake: pr2018213006. Event ids that are associated: pr2018213006. The 3.11-magnitude earthquake was detected at 10:09:22 / 10:09 am (local time epicenter). Date and time of earthquake in UTC/GMT: 01/08/18 / 2018-08-01 14:09:22 / August 1, 2018 @ 2:09 pm. Exact location of event, longitude -67.2001 West, latitude 19.2726 North, depth = 26 km.

In the past 24 hours, there have been two, in the last 10 days nine, in the past 30 days twenty-one and in the last 365 days two hundred and seventy-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

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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. 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: 87 km NNW of Isabela, Puerto Rico.

Isabela Puerto Rico

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Parameter	Value	Description
Magnitude	3.11 mb	The magnitude for the event.
Longitude	-67.2001° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.2726° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	26 km	Depth of the event in kilometers.
Place	87km NNW of Isabela, 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	2018-08-01 14:09:22	Time when the event occurred. UTC/GMT
Updated	2018-08-01 18:40:58	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	149	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	6	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.81	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.15 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	337	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	pr2018213006	Id of event.
Event Code	2018213006	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2018213006,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.11 mag strikes near Isabela in Puerto Rico

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