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Minor earthquake 2.83 mag, 49 km N of Isabela, Puerto Rico


Earthquake location 18.945S, -67.007WA minor earthquake magnitude 2.83 (ml/mb) has occurred on Monday, 49 kilometers (30 miles) from Isabela in Puerto Rico. The temblor was reported at 15:30:59 / 3:30 pm (local time epicenter). The earthquake was roughly at a depth of 42 km (26 miles). Exact location of event, longitude -67.007 West, latitude 18.945 North, depth = 42 km. Event ids that are associated to the earthquake: pr2018043003. Id of event: pr2018043003. Global date and time of event UTC/GMT: 12/02/18 / 2018-02-12 19:30:59 / February 12, 2018 @ 7:30 pm.

Nearest cities/city/villages to epicentrum/hypocenter was Las Marías, Añasco, Barceloneta (min 5000 pop). Event epicenter was 61 km (38 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Barceloneta (c. 22 300 pop), 60 km (37 miles) from Aguadilla (c. 16 100 pop), 49 km (31 miles) from Isabela (c. 12 500 pop), 68 km (42 miles) from San Sebastián (c. 11 600 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days twenty-five and in the last 365 days two hundred and ninety-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 49 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -67.007° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.945° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42 km Depth of the event in kilometers.
Place 49km 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 2018-02-12 19:30:59 Time when the event occurred. UTC/GMT
Updated 2018-02-12 23:38:58 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 123 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4887 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 322 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 pr2018043003 Id of event.
Event Code 2018043003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018043003, A comma-separated list of event ids that are associated to an event.

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