Minor earthquake: M3.27 quake has struck near Isabela in Puerto Rico

A minor earthquake magnitude 3.27 (ml/mb) strikes 36 kilometers (22 miles) from Isabela in Puerto Rico on Saturday. The temblor was reported at 09:43:44 / 9:43 am (local time epicenter). Event ids that are associated to the earthquake: us7000mdg1, pr71446038. Id of event: pr71446038. Exact location, longitude -67.039333333333° West, latitude 18.829333333333° North, depth = 8.61 km. Exact time and date of event in UTC/GMT: 20/04/24 / 2024-04-20 09:43:44 / April 20, 2024 @ 9:43 am. The earthquake was roughly at a depth of 8.61 km (5 miles).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Ciales, Adjuntas, Adjuntas (min 5000 pop). Epicenter of the event was 71 km (44 miles) from Mayagüez (c. 78 600 pop), 52 km (33 miles) from Arecibo (c. 49 300 pop), 81 km (50 miles) from Vega Baja (c. 29 300 pop), 68 km (42 miles) from Barceloneta (c. 22 300 pop), 81 km (50 miles) from Adjuntas (c. 19 500 pop).

Each year there are an estimated 130,000 minor earthquakes 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 fourty-seven, in the last 10 days fourty-eight, in the past 30 days fourty-eight and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

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 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: 36 km N of Isabela, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.27 mb	The magnitude for the event.
Longitude	-67.039333333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.829333333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	8.61 km	Depth of the event in kilometers.
Place	36 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	2024-04-20 09:43:44	Time when the event occurred. UTC/GMT
Updated	2024-05-10 01:20:12	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	165	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	,us,pr,	A comma-separated list of network contributors.
Number of Stations Used	34	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.3399	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.3 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	222	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	pr71446038	Id of event.
Event Code	71446038	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000mdg1,pr71446038,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.27 quake has struck near Isabela in Puerto Rico

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