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

Posted by admin on June 21, 2025 0 Comments

A minor earthquake magnitude 3.29 (ml/mb) strikes 31 kilometers (19 miles) from Esperanza in Puerto Rico on Saturday. The 3.29-magnitude earthquake has occurred at 04:51:00 / 4:51 am (local time epicenter). Id of earthquake: pr71486353. Event ids that are associated: pr71486353. Exact location, longitude -65.380333333333° West, latitude 17.824166666667° North, depth = 19.26 km. The epicenter of the earthquake was roughly 19.26 km (12 miles) below the earth’s surface. Exact time and date of earthquake 21/06/25 / 2025-06-21 04:51:00 / June 21, 2025 @ 4:51 am UTC/GMT.

Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Event epicenter was 68 km (42 miles) from Saint Croix (c. 50 600 pop), 63 km (39 miles) from Fajardo (c. 34 100 pop), 80 km (49 miles) from Guayama (c. 21 600 pop), 60 km (37 miles) from Humacao (c. 20 400 pop), 75 km (46 miles) from Charlotte Amalie (c. 20 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Guayama, Gurabo, Río Grande.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days eighty-eight 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.

How would you describe the shaking?

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 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: 31 km SSE of Esperanza, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.29 mb	The magnitude for the event.
Longitude	-65.380333333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.824166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.26 km	Depth of the event in kilometers.
Place	31 km SSE of Esperanza, 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	2025-06-21 04:51:00	Time when the event occurred. UTC/GMT
Updated	2025-06-21 05:13:53	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	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.3173	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.14 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	227	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	pr71486353	Id of event.
Event Code	71486353	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71486353,	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 Esperanza in Puerto Rico

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