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Minor earthquake, 3 mag has occurred near San Lorenzo in Puerto Rico

Earthquake location 18.2022S, -66.0029WA minor earthquake magnitude 3 (ml/mb) has struck on Sunday, 4 kilometers (2 miles) from San Lorenzo in Puerto Rico. The earthquake occurred at a depth of 122 km (76 miles) below the earth’s surface. The 3-magnitude earthquake was detected at 21:48:51 / 9:48 pm (local time epicenter). Event id: pr15264000. Ids that are associated to the earthquake: pr15264000. Exact location of earthquake, -66.0029° West, 18.2022° North, depth 122 km. Exact time and date of event in UTC/GMT: 21/09/15 / 2015-09-21 01:48:51 / September 21, 2015 @ 1:48 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Peñuelas, Adjuntas, Adjuntas. Earthquake epicenter was 31 km (19 miles) from San Juan (c. 418 100 pop), 27 km (17 miles) from Bayamón (c. 203 500 pop), 20 km (13 miles) from Carolina (c. 170 400 pop), 68 km (42 miles) from Ponce (c. 152 600 pop), 6 km (4 miles) from Caguas (c. 86 800 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days fourteen and in the last 365 days ninety-four earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 4 km WNW of San Lorenzo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.0029° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2022° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 122 km Depth of the event in kilometers.
Place 4km WNW of San Lorenzo, 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 2015-09-21 01:48:51 Time when the event occurred. UTC/GMT
Updated 2015-09-21 03:24:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 138 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.13115403 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97.2 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 pr15264000 Id of event.
Event Code 15264000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15264000, A comma-separated list of event ids that are associated to an event.

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