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Minor earthquake, 3.15 mag strikes near San Juan in Puerto Rico

Posted by admin on January 21, 2018 0 Comments

Earthquake location 18.9978S, -65.899WA minor earthquake magnitude 3.15 (ml/mb) has struck on Saturday, 62 kilometers (39 miles) from San Juan in Puerto Rico. The temblor was picked up at 21:31:13 / 9:31 pm (local time epicenter). Unique identifier: pr2018021000. Ids that are associated to the event: pr2018021000. Exact time and date of earthquake 21/01/18 / 2018-01-21 01:31:13 / January 21, 2018 @ 1:31 am UTC/GMT. Exact location of event, longitude -65.899 West, latitude 18.9978 North, depth = 25 km. The epicenter of the earthquake was roughly 25 km (16 miles) below the earth’s surface.

Epicenter of the event was 63 km (39 miles) from San Juan (c. 418 100 pop), 72 km (45 miles) from Bayamón (c. 203 500 pop), 69 km (43 miles) from Carolina (c. 170 400 pop), 75 km (46 miles) from Guaynabo (c. 81 400 pop), 72 km (45 miles) from Trujillo Alto (c. 54 200 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vega Baja, Vega Alta, Fajardo. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been three, in the last 10 days nine, in the past 30 days thirty-seven and in the last 365 days three hundred and thirty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 62 km NNE of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -65.899° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9978° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25 km Depth of the event in kilometers.
Place 62km NNE of San Juan, 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 2018-01-21 01:31:13 Time when the event occurred. UTC/GMT
Updated 2018-01-21 01:57:27 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 153 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 0.7131 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 305 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 pr2018021000 Id of event.
Event Code 2018021000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018021000, A comma-separated list of event ids that are associated to an event.

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