Minor earthquake 3.28 mag, 74 km N of Tierras Nuevas Poniente, Puerto Rico

A minor earthquake with magnitude 3.28 (ml/mb) was reported 74 kilometers (46 miles) from Tierras Nuevas Poniente in Puerto Rico on Saturday. Exact time and date of earthquake 28/12/24 / 2024-12-28 04:21:07 / December 28, 2024 @ 4:21 am UTC/GMT. All ids that are associated to the event: pr71469548. Unique identifier: pr71469548. The earthquake was roughly at a depth of 24.31 km (15 miles). Exact location, longitude -66.524° West, latitude 19.137833333333° North, depth = 24.31 km. The temblor was reported at 04:21:07 / 4:21 am (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Toa Baja, Camuy, Dorado. Epicenter of the event was 77 km (48 miles) from Arecibo (c. 49 300 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 76 km (47 miles) from Barceloneta (c. 22 300 pop), 79 km (49 miles) from Manatí (c. 16 100 pop), 80 km (50 miles) from Dorado (c. 13 100 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been two, in the last 10 days ten, in the past 30 days thirty-two and in the last 365 days two hundred and thirty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 74 km N of Tierras Nuevas Poniente, Puerto Rico.

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Parameter	Value	Description
Magnitude	3.28 mb	The magnitude for the event.
Longitude	-66.524° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.137833333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	24.31 km	Depth of the event in kilometers.
Place	74 km N of Tierras Nuevas Poniente, 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	2024-12-28 04:21:07	Time when the event occurred. UTC/GMT
Updated	2024-12-28 04:34:36	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	166	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	12	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.6572	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.29 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	288	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	pr71469548	Id of event.
Event Code	71469548	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71469548,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.28 mag, 74 km N of Tierras Nuevas Poniente, Puerto Rico

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