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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.21 mag, 20 km N of Arecibo, Puerto Rico


Earthquake location 18.655666666667S, -66.715166666667WA minor earthquake magnitude 3.21 (ml/mb) has occurred on Saturday, 20 kilometers (12 miles) from Arecibo in Puerto Rico. The 3.21-magnitude earthquake was detected at 08:09:37 / 8:09 am (local time epicenter). The earthquake was roughly at a depth of 68.28 km (42 miles). Exact time and date of event in UTC/GMT: 28/09/24 / 2024-09-28 08:09:37 / September 28, 2024 @ 8:09 am. Exact location of earthquake, longitude -66.715166666667 West, latitude 18.655666666667 North, depth = 68.28 km. Event ids that are associated to the earthquake: pr71461283. Id of event: pr71461283.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cidra, Guánica, Aguas Buenas. The epicenter was 68 km (42 miles) from San Juan (c. 418 100 pop), 66 km (41 miles) from Bayamón (c. 203 500 pop), 72 km (45 miles) from Ponce (c. 152 600 pop), 72 km (45 miles) from Guaynabo (c. 81 400 pop), 68 km (42 miles) from Mayagüez (c. 78 600 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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 one, in the last 10 days nineteen, in the past 30 days sixty-six and in the last 365 days two hundred and fourty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 20 km N of Arecibo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.21 mb The magnitude for the event.
Longitude -66.715166666667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.655666666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.28 km Depth of the event in kilometers.
Place 20 km N of Arecibo, 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 2024-09-28 08:09:37 Time when the event occurred. UTC/GMT
Updated 2024-09-28 08:32:57 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 159 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 0.4197 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 215 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 pr71461283 Id of event.
Event Code 71461283 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71461283, A comma-separated list of event ids that are associated to an event.

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