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Minor earthquake: M3.1 quake has struck near Loiza in Puerto Rico


Earthquake location 18.9788S, -65.845WA minor earthquake with magnitude 3.1 (ml/mb) was reported 60 kilometers (37 miles) from Loiza in Puerto Rico on Thursday. Event id: pr2019326002. Ids that are associated to the earthquake: pr2019326002. The temblor was detected at 21:56:34 / 9:56 pm (local time epicenter). Exact location of earthquake, longitude -65.845 West, latitude 18.9788 North, depth = 9 km. Exact time and date of event in UTC/GMT: 22/11/19 / 2019-11-22 01:56:34 / November 22, 2019 @ 1:56 am. The epicenter was at a depth of 9 km (6 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ceiba, Pájaros, Toa Alta. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). The epicenter was 63 km (39 miles) from San Juan (c. 418 100 pop), 72 km (45 miles) from Bayamón (c. 203 500 pop), 68 km (42 miles) from Carolina (c. 170 400 pop), 75 km (46 miles) from Guaynabo (c. 81 400 pop), 71 km (44 miles) from Trujillo Alto (c. 54 200 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been seven, in the last 10 days twenty-three, in the past 30 days fourty and in the last 365 days three hundred and twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 60 km N of Loiza, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.845° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9788° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 60km 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 2019-11-22 01:56:34 Time when the event occurred. UTC/GMT
Updated 2019-11-22 06:32:54 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 148 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.711 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 293 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 pr2019326002 Id of event.
Event Code 2019326002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019326002, A comma-separated list of event ids that are associated to an event.

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