Light earthquake: M4.66 quake has struck near Hatillo in Puerto Rico

A light earthquake with magnitude 4.66 (ml/mb) was reported 69 kilometers (43 miles) from Hatillo in Puerto Rico on Sunday. The earthquake was roughly at a depth of 34 km (21 miles). All ids that are associated to the event: pt17198001, us20009wug, pr2017198001. Unique identifier: pr2017198001. The temblor was reported at 22:19:02 / 10:19 pm (local time epicenter). Exact location of event, depth 34 km, -66.7793° West, 19.1255° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 17/07/17 / 2017-07-17 02:19:02 / July 17, 2017 @ 2:19 am UTC/GMT.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 73 km (45 miles) from Arecibo (c. 49 300 pop), 98 km (61 miles) from Levittown (c. 29 800 pop), 86 km (54 miles) from Vega Baja (c. 29 300 pop), 79 km (49 miles) from Barceloneta (c. 22 300 pop), 83 km (52 miles) from Manatí (c. 16 100 pop), 87 km (54 miles) from Aguadilla (c. 16 100 pop), 92 km (57 miles) from Dorado (c. 13 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Las Marías, Toa Alta, Candelaria Arenas.

In the past 24 hours, there have been two, in the last 10 days thirteen, in the past 30 days thirty-five and in the last 365 days two hundred and twenty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 69 km N of Hatillo, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.66 mb	The magnitude for the event.
Longitude	-66.7793° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.1255° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	34 km	Depth of the event in kilometers.
Place	69km N of Hatillo, 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	2017-07-17 02:19:02	Time when the event occurred. UTC/GMT
Updated	2017-07-17 03:34:27	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	23	The total number of felt reports
CDI	3.8	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	343	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	,pt,us,pr,	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	0.6558	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.4 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	249	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	pr2017198001	Id of event.
Event Code	2017198001	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt17198001,us20009wug,pr2017198001,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.66 mb

The magnitude for the event.

Longitude

-66.7793° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

19.1255° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

34 km

Depth of the event in kilometers.

Place

69km N of Hatillo, 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

2017-07-17 02:19:02

Time when the event occurred. UTC/GMT

Updated

2017-07-17 03:34:27

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

3.8

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

343

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,us,pr,

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

0.6558

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

Root Mean Square

0.4 sec

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

Azimuthal Gap

249

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

pr2017198001

Id of event.

Event Code

2017198001

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

Event IDS

,pt17198001,us20009wug,pr2017198001,

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

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Light earthquake: M4.66 quake has struck near Hatillo in Puerto Rico

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