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Minor earthquake 3 mag, 4 km WSW of Tallaboa, Puerto Rico


Earthquake location 17.9778S, -66.7579WA minor earthquake magnitude 3 (ml/mb) has struck on Thursday, 4 kilometers (2 miles) from Tallaboa in Puerto Rico. The 3-magnitude earthquake was detected at 16:23:41 / 4:23 pm (local time epicenter). Global date and time of event UTC/GMT: 09/01/20 / 2020-01-09 20:23:41 / January 9, 2020 @ 8:23 pm. Event id: usa0006c91. Ids that are associated to the earthquake: usa0006c91. Exact location, longitude -66.7579° West, latitude 17.9778° North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Patillas, Sabana Seca, Ingenio (min 5000 pop). Epicenter of the earthquake was 16 km (10 miles) from Ponce (c. 152 600 pop), 47 km (29 miles) from Mayagüez (c. 78 600 pop), 55 km (34 miles) from Arecibo (c. 49 300 pop), 65 km (40 miles) from Vega Baja (c. 29 300 pop), 57 km (36 miles) from Barceloneta (c. 22 300 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been eight hundred and thirty-nine, in the last 10 days one thousand and sixty, in the past 30 days one thousand, one hundred and in the last 365 days one thousand, one hundred and fifty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km WSW of Tallaboa, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.7579° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9778° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 4km WSW 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 2020-01-09 20:23:41 Time when the event occurred. UTC/GMT
Updated 2020-02-05 15:18:45 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 138 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 0.115 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190 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 usa0006c91 Id of event.
Event Code a0006c91 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usa0006c91, A comma-separated list of event ids that are associated to an event.

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