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Light earthquake, 4.9 mag has occurred near Magas Arriba in Puerto Rico

Posted by admin on January 20, 2020 0 Comments

Earthquake location 17.993S, -66.755WA light earthquake with magnitude 4.9 (ml/mb) was detected on Monday, 3 kilometers (2 miles) from Magas Arriba in Puerto Rico. The earthquake occurred at a depth of 2.5 km (2 miles) below the earth’s surface. Event ids that are associated to the earthquake: pt20020005. Id of event: pt20020005. The 4.9-magnitude earthquake has occurred at 05:36:36 / 5:36 am (local time epicenter). Date and time of earthquake in UTC/GMT: 20/01/20 / 2020-01-20 09:36:36 / January 20, 2020 @ 9:36 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 2.5 km, -66.755° West, 17.993° North.

Nearest cities/city/villages to epicentrum/hypocenter was San Isidro, Canovanas, Humacao (min 5000 pop). Earthquake epicenter was 86 km (54 miles) from San Juan (c. 418 100 pop), 78 km (48 miles) from Bayamón (c. 203 500 pop), 95 km (59 miles) from Carolina (c. 170 400 pop), 15 km (9 miles) from Ponce (c. 152 600 pop), 79 km (49 miles) from Caguas (c. 86 800 pop), 79 km (49 miles) from Guaynabo (c. 81 400 pop), 47 km (29 miles) from Mayagüez (c. 78 600 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been twenty-three, in the last 10 days three hundred and eighty-five, in the past 30 days six hundred and thirty-one and in the last 365 days six hundred and ninety-four earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 3 km SSE of Magas Arriba, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -66.755° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.993° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.5 km Depth of the event in kilometers.
Place 3km SSE of Magas Arriba, 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 2020-01-20 09:36:36 Time when the event occurred. UTC/GMT
Updated 2020-01-20 09:43:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 4.8 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 371 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pt20020005 Id of event.
Event Code 20020005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt20020005, A comma-separated list of event ids that are associated to an event.

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