Light earthquake, 4 mag strikes near Aguadilla in Puerto Rico

A light earthquake magnitude 4 (ml/mb) strikes 59 kilometers (37 miles) from Aguadilla in Puerto Rico on Thursday. The epicenter of the earthquake was roughly 43 km (27 miles) below the earth’s surface. All ids that are associated to the event: pr15197016, at00nrlido. Unique identifier: pr15197016. The temblor was reported at 14:34:38 / 2:34 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/07/15 / 2015-07-16 19:34:38 / July 16, 2015 @ 7:34 pm. Exact location of earthquake, longitude -67.592 West, latitude 18.763 North, depth = 43 km. A tsunami warning has been issued near Aguadilla in Puerto Rico (Does not indicate if a tsunami actually did or will exist).

Close country/countries that might be effected, Dominican Republic (c. 9 824 000 pop), Puerto Rico (c. 3 917 000 pop). The epicenter was 88 km (55 miles) from Punta Cana (c. 100 000 pop), 79 km (49 miles) from Mayagüez (c. 78 600 pop), 59 km (37 miles) from Aguadilla (c. 16 100 pop), 67 km (41 miles) from Isabela (c. 12 500 pop), 85 km (53 miles) from Hormigueros (c. 11 900 pop), 79 km (49 miles) from San Sebastián (c. 11 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cabo Rojo, Punta Cana, Puerto Real.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been four, in the last 10 days eight, in the past 30 days fourteen and in the last 365 days two hundred and twenty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 59 km NW of Aguadilla, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

Aguadilla Cabo Rojo Dominican Republic Hormigueros Isabela Mayaguez Puerto Real Puerto Rico Punta Cana San Sebastian

More information

Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-67.592° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.763° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	43 km	Depth of the event in kilometers.
Place	59km NW of Aguadilla, 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	2015-07-16 19:34:38	Time when the event occurred. UTC/GMT
Updated	2015-07-16 19:44:38	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2	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	1	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	246	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,at,	A comma-separated list of network contributors.
Number of Stations Used	45	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.38986883	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.08 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	190.8	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	pr15197016	Id of event.
Event Code	15197016	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr15197016,at00nrlido,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4 mb

The magnitude for the event.

Longitude

-67.592° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

18.763° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

43 km

Depth of the event in kilometers.

Place

59km NW of Aguadilla, 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

2015-07-16 19:34:38

Time when the event occurred. UTC/GMT

Updated

2015-07-16 19:44:38

Time when the event was most recently updated. UTC/GMT

Timezone offset

-300

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

246

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

,pr,at,

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

0.38986883

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

Root Mean Square

1.08 sec

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

Azimuthal Gap

190.8

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

pr15197016

Id of event.

Event Code

15197016

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

Event IDS

,pr15197016,at00nrlido,

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

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Light earthquake, 4 mag strikes near Aguadilla in Puerto Rico

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