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Light earthquake, 4.5 mag strikes near Tallaboa in Puerto Rico

Posted by admin on January 8, 2020 0 Comments

Earthquake location 17.9257S, -66.737WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 7 kilometers (4 miles) from Tallaboa in Puerto Rico. The epicenter was at a depth of 5.41 km (3 miles). The 4.5-magnitude earthquake was detected at 11:45:42 / 11:45 am (local time epicenter). Date and time of earthquake in UTC/GMT: 08/01/20 / 2020-01-08 15:45:42 / January 8, 2020 @ 3:45 pm. Exact location of event, depth 5.41 km, -66.737° West, 17.9257° North. All ids that are associated to the event: us70006wdm. Unique identifier: us70006wdm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). The epicenter was 90 km (56 miles) from San Juan (c. 418 100 pop), 81 km (50 miles) from Bayamón (c. 203 500 pop), 16 km (10 miles) from Ponce (c. 152 600 pop), 80 km (50 miles) from Caguas (c. 86 800 pop), 82 km (51 miles) from Guaynabo (c. 81 400 pop), 52 km (33 miles) from Mayagüez (c. 78 600 pop), 91 km (56 miles) from Trujillo Alto (c. 54 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Las Piedras, Juncos, Yabucoa (min 5000 pop).

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

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. 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: 7 km SSW of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -66.737° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9257° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.41 km Depth of the event in kilometers.
Place 7km SSW of Tallaboa, 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 2020-01-08 15:45:42 Time when the event occurred. UTC/GMT
Updated 2020-01-08 15:57:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 10 The total number of felt reports
CDI 5 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 317 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 ,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 0.17 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 68 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 us70006wdm Id of event.
Event Code 70006wdm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006wdm, A comma-separated list of event ids that are associated to an event.

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