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Minor earthquake: M2.81 quake has struck near Isabela in Puerto Rico


Earthquake location 19.0805S, -67.2273WA minor earthquake magnitude 2.81 (ml/mb) strikes 64 kilometers (40 miles) from Isabela in Puerto Rico on Tuesday. Exact time and date of earthquake 24/09/19 / 2019-09-24 05:09:32 / September 24, 2019 @ 5:09 am UTC/GMT. Exact location of event, depth 19 km, -67.2273° West, 19.0805° North. Unique identifier: pr2019267008. Ids that are associated to the event: pr2019267008, us60005mkl. The earthquake occurred at a depth of 19 km (12 miles) below the earth’s surface. The 2.81-magnitude earthquake has occurred at 01:09:32 / 1:09 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Moca, Quebradillas, Aguadilla (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 73 km (45 miles) from Aguadilla (c. 16 100 pop), 68 km (42 miles) from Isabela (c. 12 500 pop), 74 km (46 miles) from Quebradillas (c. 5 600 pop), 77 km (48 miles) from Moca (c. 5 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty, in the last 10 days twenty-five, in the past 30 days fourty-one and in the last 365 days four hundred and one earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 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 2.81 mb The magnitude for the event.
Longitude -67.2273° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0805° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place 64km 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 2019-09-24 05:09:32 Time when the event occurred. UTC/GMT
Updated 2019-09-24 09:29:25 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 121 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,us, A comma-separated list of network contributors.
Number of Stations Used 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6239 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208 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 pr2019267008 Id of event.
Event Code 2019267008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019267008,us60005mkl, A comma-separated list of event ids that are associated to an event.

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