Minor earthquake: M3.38 quake has struck near Culebra in Puerto Rico

A minor earthquake with magnitude 3.38 (ml/mb) was detected on Monday, 39 kilometers (24 miles) from Culebra in Puerto Rico. Date and time of earthquake in UTC/GMT: 07/10/24 / 2024-10-07 07:00:38 / October 7, 2024 @ 7:00 am. The earthquake occurred at a depth of 77.37 km (48 miles) below the earth’s surface. Event id: pr71461983. Ids that are associated to the earthquake: pr71461983. The 3.38-magnitude earthquake was detected at 07:00:38 / 7:00 am (local time epicenter). Exact location, longitude -65.259° West, latitude 18.660166666667° North, depth = 77.37 km.

Nearest cities/city/towns to hypocenter/epicentrum was Carolina, Santa Barbara, Punta Santiago (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Earthquake epicenter was 80 km (50 miles) from Carolina (c. 170 400 pop), 56 km (35 miles) from Fajardo (c. 34 100 pop), 73 km (46 miles) from Tortola (c. 23 900 pop), 50 km (31 miles) from Charlotte Amalie (c. 20 000 pop), 68 km (42 miles) from Río Grande (c. 13 500 pop).

In the past 24 hours, there have been two, in the last 10 days fifteen, in the past 30 days twenty-seven and in the last 365 days one hundred and thirty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 39 km N of Culebra, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.38 mb	The magnitude for the event.
Longitude	-65.259° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.660166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	77.37 km	Depth of the event in kilometers.
Place	39 km 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	2024-10-07 07:00:38	Time when the event occurred. UTC/GMT
Updated	2024-10-07 07:15:28	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	176	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,	A comma-separated list of network contributors.
Number of Stations Used	20	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.3515	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.26 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	206	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	pr71461983	Id of event.
Event Code	71461983	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71461983,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

3.38 mb

The magnitude for the event.

Longitude

-65.259° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

18.660166666667° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

77.37 km

Depth of the event in kilometers.

Place

39 km 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

2024-10-07 07:00:38

Time when the event occurred. UTC/GMT

Updated

2024-10-07 07:15:28

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

Timezone offset

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

176

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,

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

0.3515

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

Root Mean Square

0.26 sec

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

Azimuthal Gap

206

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

pr71461983

Id of event.

Event Code

71461983

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

Event IDS

,pr71461983,

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

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Minor earthquake: M3.38 quake has struck near Culebra in Puerto Rico

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