Light earthquake, 4.7 mag has occurred near Isabela in Puerto Rico

A light earthquake magnitude 4.7 (ml/mb) has occurred on Tuesday, 45 kilometers (28 miles) from Isabela in Puerto Rico. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 19.4 km (12 miles). Exact location of event, depth 19.4 km, -67.12° West, 18.903° North. All ids that are associated to the event: pt19268051. Unique identifier: pt19268051. The 4.7-magnitude earthquake has occurred at 21:05:10 / 9:05 pm (local time epicenter). Exact time and date of earthquake 25/09/19 / 2019-09-25 01:05:10 / September 25, 2019 @ 1:05 am UTC/GMT.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Vega Alta, Morovis, Ceiba. Epicenter of the earthquake was 78 km (49 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 92 km (57 miles) from Vega Baja (c. 29 300 pop), 79 km (49 miles) from Barceloneta (c. 22 300 pop), 92 km (57 miles) from Adjuntas (c. 19 500 pop), 85 km (53 miles) from Manatí (c. 16 100 pop), 53 km (33 miles) from Aguadilla (c. 16 100 pop).

In the past 24 hours, there have been fourty-one, in the last 10 days fourty-six, in the past 30 days sixty and in the last 365 days three hundred and twenty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 45 km NNW of Isabela, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	-67.12° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.903° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.4 km	Depth of the event in kilometers.
Place	45km 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	2019-09-25 01:05:10	Time when the event occurred. UTC/GMT
Updated	2019-09-25 01:09:22	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	340	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pt	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,	A comma-separated list of network contributors.
Number of Stations Used	19	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pt19268051	Id of event.
Event Code	19268051	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt19268051,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.7 mb

The magnitude for the event.

Longitude

-67.12° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

18.903° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

19.4 km

Depth of the event in kilometers.

Place

45km 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

2019-09-25 01:05:10

Time when the event occurred. UTC/GMT

Updated

2019-09-25 01:09:22

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

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

340

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.

Sources

,pt,

A comma-separated list of network contributors.

Number of Stations Used

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

pt19268051

Id of event.

Event Code

19268051

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,pt19268051,

A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag has occurred near Isabela in Puerto Rico

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