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Light earthquake, 4.5 mag was detected near Loiza in Puerto Rico

Posted by admin on September 30, 2018 0 Comments

Earthquake location 20.3114S, -65.6141WA light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 209 km N of Loiza, Puerto Rico (130 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 29/09/18 / 2018-09-29 23:21:24 / September 29, 2018 @ 11:21 pm UTC/GMT. The temblor was picked up at 19:21:24 / 7:21 pm (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Exact location of earthquake, longitude -65.6141 West, latitude 20.3114 North, depth = 10 km. All ids that are associated to the event: pt18272050, us1000h4gs. Unique identifier: us1000h4gs.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days seven and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 209 km N of Loiza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -65.6141° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 20.3114° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 209km N of Loiza, 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 2018-09-29 23:21:24 Time when the event occurred. UTC/GMT
Updated 2018-09-29 23:41:52 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 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.019 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us1000h4gs Id of event.
Event Code 1000h4gs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt18272050,us1000h4gs, A comma-separated list of event ids that are associated to an event.

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