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Minor earthquake, 2.93 mag strikes near Isabela in Puerto Rico


Earthquake location 19.1548S, -67.1WA minor earthquake magnitude 2.93 (ml/mb) has occurred on Tuesday, 72 kilometers (45 miles) from Isabela in Puerto Rico. The temblor was picked up at 19:03:58 / 7:03 pm (local time epicenter). Global time and date of event 01/10/19 / 2019-10-01 23:03:58 / October 1, 2019 @ 11:03 pm UTC/GMT. Event ids that are associated to the earthquake: pr2019274048. Id of event: pr2019274048. The earthquake occurred at a depth of 10 km (6 miles). Exact location, longitude -67.1° West, latitude 19.1548° North, depth = 10 km.

Epicenter of the event was 73 km (45 miles) from Isabela (c. 12 500 pop), 78 km (48 miles) from Quebradillas (c. 5 600 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Quebradillas, Isabela (min 5000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been fifteen, in the last 10 days two hundred and twenty-six, in the past 30 days two hundred and thirty-eight and in the last 365 days five hundred and six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

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: 72 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.93 mb The magnitude for the event.
Longitude -67.1° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1548° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 72km N of Isabela, 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 2019-10-01 23:03:58 Time when the event occurred. UTC/GMT
Updated 2019-10-02 01:07:26 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 132 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6874 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 309 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 pr2019274048 Id of event.
Event Code 2019274048 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019274048, A comma-separated list of event ids that are associated to an event.

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