Minor earthquake 3.5 mag, 84 km N of Isabela, Puerto Rico

A minor earthquake magnitude 3.5 (ml/mb) has occurred on Friday, 84 km N of Isabela, Puerto Rico (52 miles). Global date and time of event UTC/GMT: 17/10/25 / 2025-10-17 23:55:58 / October 17, 2025 @ 11:55 pm. Id of earthquake: us6000rhz3. Event ids that are associated: us6000rhz3. The earthquake was roughly at a depth of 32.159 km (20 miles). Exact location of earthquake, longitude -67.148 West, latitude 19.2525 North, depth = 32.159 km. The 3.5-magnitude earthquake was detected at 23:55:58 / 11:55 pm (local time epicenter).

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

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 84 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

Isabela Puerto Rico

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-67.148° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.2525° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	32.159 km	Depth of the event in kilometers.
Place	84 km N of Isabela, 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	2025-10-17 23:55:58	Time when the event occurred. UTC/GMT
Updated	2025-10-18 00:04:08	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	188	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	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.782	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.49 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	194	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000rhz3	Id of event.
Event Code	6000rhz3	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rhz3,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.5 mag, 84 km N of Isabela, Puerto Rico

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