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Minor earthquake, 2.94 mag was detected near Loiza in Puerto Rico


Earthquake location 18.962S, -65.8545WA minor earthquake magnitude 2.94 (ml/mb) has struck on Wednesday, 58 kilometers (36 miles) from Loiza in Puerto Rico. The 2.94-magnitude earthquake has occurred at 13:07:19 / 1:07 pm (local time epicenter). Exact location of earthquake, longitude -65.8545 West, latitude 18.962 North, depth = 8 km. Event id: pr2019324019. Ids that are associated to the earthquake: pr2019324019. The earthquake occurred at a depth of 8 km (5 miles). Date and time of earthquake in UTC/GMT: 20/11/19 / 2019-11-20 17:07:19 / November 20, 2019 @ 5:07 pm.

Nearest cities/city/villages to epicentrum/hypocenter was Ceiba, Pájaros, Toa Alta (min 5000 pop). Event epicenter was 61 km (38 miles) from San Juan (c. 418 100 pop), 70 km (44 miles) from Bayamón (c. 203 500 pop), 66 km (41 miles) from Carolina (c. 170 400 pop), 72 km (45 miles) from Guaynabo (c. 81 400 pop), 69 km (43 miles) from Trujillo Alto (c. 54 200 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 58 km N of Loiza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -65.8545° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.962° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8 km Depth of the event in kilometers.
Place 58km 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 2019-11-20 17:07:19 Time when the event occurred. UTC/GMT
Updated 2019-11-20 20:59:14 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 133 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.692 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 302 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 pr2019324019 Id of event.
Event Code 2019324019 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019324019, A comma-separated list of event ids that are associated to an event.

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