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Minor earthquake, 3.07 mag strikes near Isabela in Puerto Rico


Earthquake location 18.998S, -67.1193WA minor earthquake with magnitude 3.07 (ml/mb) was reported 55 kilometers (34 miles) from Isabela in Puerto Rico on Saturday. Exact location, longitude -67.1193° West, latitude 18.998° North, depth = 7 km. The epicenter of the earthquake was roughly 7 km (4 miles) below the earth’s surface. The 3.07-magnitude earthquake has occurred at 04:09:48 / 4:09 am (local time epicenter). Exact time and date of earthquake 12/10/19 / 2019-10-12 08:09:48 / October 12, 2019 @ 8:09 am UTC/GMT. Event id: pr2019285007. Ids that are associated to the earthquake: pr2019285007.

Earthquake epicenter was 72 km (45 miles) from Arecibo (c. 49 300 pop), 64 km (39 miles) from Aguadilla (c. 16 100 pop), 56 km (35 miles) from Isabela (c. 12 500 pop), 75 km (46 miles) from San Sebastián (c. 11 600 pop), 65 km (40 miles) from Hatillo (c. 5 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Sebastián, Rincón, Arecibo. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been nine, in the last 10 days ninety-six, in the past 30 days three hundred and thirty-two and in the last 365 days five hundred and ninety-six 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. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

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

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More information

Parameter Value Description
Magnitude 3.07 mb The magnitude for the event.
Longitude -67.1193° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.998° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 55km 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 2019-10-12 08:09:48 Time when the event occurred. UTC/GMT
Updated 2019-10-12 13:45:58 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 145 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8229 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 357 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 pr2019285007 Id of event.
Event Code 2019285007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019285007, A comma-separated list of event ids that are associated to an event.

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