Light earthquake, 4.6 mag was detected near Hatillo in Puerto Rico

A light earthquake with magnitude 4.6 (ml/mb) was reported 59 kilometers (37 miles) from Hatillo in Puerto Rico on Thursday. Id of earthquake: us700034ks. Event ids that are associated: pt19101001, us700034ks. The 4.6-magnitude earthquake was detected at 15:31:35 / 3:31 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 11/04/19 / 2019-04-11 19:31:35 / April 11, 2019 @ 7:31 pm. Exact location of event, longitude -66.7758 West, latitude 19.0254 North, depth = 18.79 km. The earthquake occurred at a depth of 18.79 km (12 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 94 km (58 miles) from San Juan (c. 418 100 pop), 96 km (59 miles) from Bayamón (c. 203 500 pop), 62 km (38 miles) from Arecibo (c. 49 300 pop), 89 km (56 miles) from Levittown (c. 29 800 pop), 76 km (48 miles) from Vega Baja (c. 29 300 pop), 95 km (59 miles) from Cataño (c. 28 100 pop), 69 km (43 miles) from Barceloneta (c. 22 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Naranjito, Orocovis, Maricao. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

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. 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: 59 km N of Hatillo, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	-66.7758° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.0254° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	18.79 km	Depth of the event in kilometers.
Place	59km 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	2019-04-11 19:31:35	Time when the event occurred. UTC/GMT
Updated	2019-04-11 19:52:22	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	326	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,us,	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	0.593	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.83 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	175	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us700034ks	Id of event.
Event Code	700034ks	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt19101001,us700034ks,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.6 mb

The magnitude for the event.

Longitude

-66.7758° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

19.0254° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

18.79 km

Depth of the event in kilometers.

Place

59km 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

2019-04-11 19:31:35

Time when the event occurred. UTC/GMT

Updated

2019-04-11 19:52:22

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

326

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,

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

0.593

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

Root Mean Square

0.83 sec

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

Azimuthal Gap

175

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

us700034ks

Id of event.

Event Code

700034ks

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

Event IDS

,pt19101001,us700034ks,

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

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Light earthquake, 4.6 mag was detected near Hatillo in Puerto Rico

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