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Minor earthquake: M2.95 quake has struck near Cayey in Puerto Rico

Posted by admin on December 20, 2017 0 Comments

Earthquake location 18.0761S, -66.1411WA minor earthquake magnitude 2.95 (ml/mb) has struck on Wednesday, 4 kilometers (2 miles) from Cayey in Puerto Rico. Exact time and date of earthquake 20/12/17 / 2017-12-20 04:53:07 / December 20, 2017 @ 4:53 am UTC/GMT. Exact location of event, depth 27 km, -66.1411° West, 18.0761° North. The 2.95-magnitude earthquake was detected at 00:53:07 / 12:53 am (local time epicenter). The earthquake was roughly at a depth of 27 km (17 miles). Event id: pr2017354002. Ids that are associated to the earthquake: pr2017354002.

Epicenter of the event was 44 km (27 miles) from San Juan (c. 418 100 pop), 36 km (22 miles) from Bayamón (c. 203 500 pop), 39 km (24 miles) from Carolina (c. 170 400 pop), 51 km (31 miles) from Ponce (c. 152 600 pop), 20 km (12 miles) from Caguas (c. 86 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yauco, Arecibo, Isabel Segunda. Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days sixteen and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km SSE of Cayey, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.95 mb The magnitude for the event.
Longitude -66.1411° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0761° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27 km Depth of the event in kilometers.
Place 4km SSE of Cayey, 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 2017-12-20 04:53:07 Time when the event occurred. UTC/GMT
Updated 2017-12-20 05:15:18 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 134 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0342 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 279 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 pr2017354002 Id of event.
Event Code 2017354002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017354002, A comma-separated list of event ids that are associated to an event.

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