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Minor earthquake: M3.09 quake has struck near Pajaros in Puerto Rico



Earthquake location 18.3626S, -66.2325WA minor earthquake magnitude 3.09 (ml/mb) has occurred on Saturday, 1 kilometers (1 miles) from Pajaros in Puerto Rico. The temblor was detected at 07:21:27 / 7:21 am (local time epicenter). Exact location of earthquake, longitude -66.2325 West, latitude 18.3626 North, depth = 63 km. Global date and time of event UTC/GMT: 16/12/17 / 2017-12-16 11:21:27 / December 16, 2017 @ 11:21 am. The epicenter was at a depth of 63 km (39 miles). Unique identifier: pr2017350005. Ids that are associated to the event: pr2017350005.

Nearest cities/city/towns to hypocenter/epicentrum was San Sebastián, Quebradillas, Yauco (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 18 km (11 miles) from San Juan (c. 418 100 pop), 9 km (6 miles) from Bayamón (c. 203 500 pop), 29 km (18 miles) from Carolina (c. 170 400 pop), 56 km (35 miles) from Ponce (c. 152 600 pop), 24 km (15 miles) from Caguas (c. 86 800 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days ten, in the past 30 days twenty-one and in the last 365 days one hundred and sixty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 1 km WSW of Pajaros, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -66.2325° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3626° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63 km Depth of the event in kilometers.
Place 1km WSW of Pajaros, 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 2017-12-16 11:21:27 Time when the event occurred. UTC/GMT
Updated 2017-12-16 15:22:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 147 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2666 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 pr2017350005 Id of event.
Event Code 2017350005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017350005, A comma-separated list of event ids that are associated to an event.

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