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Minor earthquake: M3 quake has struck near Bairoa in Puerto Rico

Earthquake location 18.281S, -66.0167WA minor earthquake with magnitude 3 (ml/mb) was detected on Monday, 3 kilometers (2 miles) from Bairoa in Puerto Rico. The 3-magnitude earthquake was detected at 06:12:07 / 6:12 am (local time epicenter). Unique identifier: pr15285005. Ids that are associated to the event: pr15285005. Exact location of earthquake, -66.0167° West, 18.281° North, depth 135 km. Exact time and date of event in UTC/GMT: 12/10/15 / 2015-10-12 10:12:07 / October 12, 2015 @ 10:12 am. The earthquake was roughly at a depth of 135 km (84 miles).

Event epicenter was 23 km (14 miles) from San Juan (c. 418 100 pop), 20 km (12 miles) from Bayamón (c. 203 500 pop), 13 km (8 miles) from Carolina (c. 170 400 pop), 70 km (43 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). Closest city/cities/towns to epicentrum/hypocenter was Peñuelas, Arecibo, Adjuntas (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days twenty-one and in the last 365 days one hundred and fourty-two earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 3 km NE of Bairoa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.0167° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.281° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 135 km Depth of the event in kilometers.
Place 3km NE of Bairoa, 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 2015-10-12 10:12:07 Time when the event occurred. UTC/GMT
Updated 2015-10-12 11:59:52 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06827196 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151.2 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 pr15285005 Id of event.
Event Code 15285005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15285005, A comma-separated list of event ids that are associated to an event.

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