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Minor earthquake: M2.85 quake has struck near San Antonio in Puerto Rico

Posted by admin on December 15, 2017 0 Comments

Earthquake location 18.8433S, -67.1658WA minor earthquake with magnitude 2.85 (ml/mb) was reported 39 kilometers (24 miles) from San Antonio in Puerto Rico on Friday. Event id: pr2017349000. Ids that are associated to the earthquake: pr2017349000. Exact time and date of earthquake 15/12/17 / 2017-12-15 12:54:22 / December 15, 2017 @ 12:54 pm UTC/GMT. Exact location of earthquake, -67.1658° West, 18.8433° North, depth 41 km. The epicenter was at a depth of 41 km (25 miles). The 2.85-magnitude earthquake has occurred at 08:54:22 / 8:54 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Maricao, Mayagüez, Las Marías (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 71 km (44 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop), 46 km (29 miles) from Aguadilla (c. 16 100 pop), 41 km (25 miles) from Isabela (c. 12 500 pop), 59 km (37 miles) from San Sebastián (c. 11 600 pop).

Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days twenty-three and in the last 365 days two hundred and seventy-seven earthquakes of magnitude 3.0 or greater that was reported nearby.

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. 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: 39 km N of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -67.1658° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8433° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41 km Depth of the event in kilometers.
Place 39km N of San Antonio, 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 2017-12-15 12:54:22 Time when the event occurred. UTC/GMT
Updated 2017-12-15 13:15:58 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 125 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6266 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 206 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 pr2017349000 Id of event.
Event Code 2017349000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017349000, A comma-separated list of event ids that are associated to an event.

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