Minor earthquake: M3.29 quake has struck near San Antonio in Puerto Rico

A minor earthquake with magnitude 3.29 (ml/mb) was reported 77 kilometers (48 miles) from San Antonio in Puerto Rico on Sunday. Global date and time of event UTC/GMT: 28/07/24 / 2024-07-28 03:14:17 / July 28, 2024 @ 3:14 am. Event ids that are associated to the earthquake: pr71456338. Id of event: pr71456338. The earthquake occurred at a depth of 63.26 km (39 miles) below the earth’s surface. The temblor was reported at 03:14:17 / 3:14 am (local time epicenter). Exact location, longitude -67.166° West, latitude 19.192333333333° North, depth = 63.26 km.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Isabela. Epicenter of the earthquake was 78 km (49 miles) from Isabela (c. 12 500 pop).

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

Questions or comments?

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 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: 77 km N of San Antonio, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.29 mb	The magnitude for the event.
Longitude	-67.166° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.192333333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	63.26 km	Depth of the event in kilometers.
Place	77 km N of San Antonio, 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	2024-07-28 03:14:17	Time when the event occurred. UTC/GMT
Updated	2024-07-28 03:35:27	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	167	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	14	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.7229	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.48 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	229	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	pr71456338	Id of event.
Event Code	71456338	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71456338,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.29 quake has struck near San Antonio in Puerto Rico

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