Light earthquake, 4.3 mag strikes near Culebra in Puerto Rico

A light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, 79 kilometers (49 miles) from Culebra in Puerto Rico. Exact location, longitude -65.3118° West, latitude 19.0193° North, depth = 31.67 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10008ddz. Event ids that are associated: us10008ddz. The 4.3-magnitude earthquake was detected at 18:34:58 / 6:34 pm (local time epicenter). Exact time and date of earthquake 30/03/17 / 2017-03-30 22:34:58 / March 30, 2017 @ 10:34 pm UTC/GMT. The earthquake was roughly at a depth of 31.67 km (20 miles).

Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Epicenter of the earthquake was 85 km (53 miles) from Fajardo (c. 34 100 pop), 85 km (53 miles) from Charlotte Amalie (c. 20 000 pop), 90 km (56 miles) from Río Grande (c. 13 500 pop), 84 km (52 miles) from Luquillo (c. 8 300 pop), 92 km (57 miles) from San Isidro (c. 8 100 pop), 91 km (57 miles) from Ceiba (c. 6 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Isidro, Ceiba, Río Grande (min 5000 pop).

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days nineteen, in the past 30 days thirty-nine and in the last 365 days three hundred and eighty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 79 km N of Culebra, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-65.3118° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.0193° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	31.67 km	Depth of the event in kilometers.
Place	79km N of Culebra, 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	2017-03-30 22:34:58	Time when the event occurred. UTC/GMT
Updated	2017-03-30 22:48:36	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	284	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	,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	0.708	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.88 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	132	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	us10008ddz	Id of event.
Event Code	10008ddz	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10008ddz,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.3 mb

The magnitude for the event.

Longitude

-65.3118° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

19.0193° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

31.67 km

Depth of the event in kilometers.

Place

79km N of Culebra, 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

2017-03-30 22:34:58

Time when the event occurred. UTC/GMT

Updated

2017-03-30 22:48:36

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

284

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

,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

0.708

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

Root Mean Square

0.88 sec

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

Azimuthal Gap

132

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

us10008ddz

Id of event.

Event Code

10008ddz

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

Event IDS

,us10008ddz,

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

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Light earthquake, 4.3 mag strikes near Culebra in Puerto Rico

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