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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag has occurred near Tierras Nuevas Poniente in Puerto Rico



Earthquake location 18.9466S, -66.3118WA light earthquake magnitude 4.8 (ml/mb) has occurred on Friday, 50 kilometers (31 miles) from Tierras Nuevas Poniente in Puerto Rico. Exact location, longitude -66.3118° West, latitude 18.9466° North, depth = 42 km. Global date and time of event UTC/GMT: 18/08/17 / 2017-08-18 20:13:00 / August 18, 2017 @ 8:13 pm. The epicenter was at a depth of 42 km (26 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: pr2017230012. Ids that are associated to the event: pt17230001, us2000a9j0, pr2017230012. The temblor was picked up at 16:13:00 / 4:13 pm (local time epicenter).

Epicenter of the earthquake was 58 km (36 miles) from San Juan (c. 418 100 pop), 63 km (39 miles) from Bayamón (c. 203 500 pop), 73 km (45 miles) from Carolina (c. 170 400 pop), 84 km (52 miles) from Caguas (c. 86 800 pop), 69 km (43 miles) from Guaynabo (c. 81 400 pop), 73 km (45 miles) from Trujillo Alto (c. 54 200 pop), 68 km (42 miles) from Arecibo (c. 49 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Sebastián, Fajardo, Adjuntas.

In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days twenty-three and in the last 365 days two hundred and eighty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 50 km N of Tierras Nuevas Poniente, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -66.3118° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9466° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42 km Depth of the event in kilometers.
Place 50km N of Tierras Nuevas Poniente, 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 2017-08-18 20:13:00 Time when the event occurred. UTC/GMT
Updated 2017-08-18 22:17:26 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 378 The total number of felt reports
CDI 4.6 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 528 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 ,pt,us,pr, A comma-separated list of network contributors.
Number of Stations Used 2 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.1391 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 207 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2017230012 Id of event.
Event Code 2017230012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt17230001,us2000a9j0,pr2017230012, A comma-separated list of event ids that are associated to an event.

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