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Minor earthquake: M3 quake has struck near Isabela in Puerto Rico



Earthquake location 18.9489S, -66.9797WA minor earthquake with magnitude 3 (ml/mb) was detected on Saturday, 49 kilometers (30 miles) from Isabela in Puerto Rico. The 3-magnitude earthquake was detected at 01:04:55 / 1:04 am (local time epicenter). Id of earthquake: pr17056012. Event ids that are associated: pr17056012. The earthquake occurred at a depth of 11 km (7 miles). Exact time and date of event in UTC/GMT: 25/02/17 / 2017-02-25 05:04:55 / February 25, 2017 @ 5:04 am. Exact location of earthquake, longitude -66.9797 West, latitude 18.9489 North, depth = 11 km.

Epicenter of the earthquake was 60 km (37 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 77 km (48 miles) from Manatí (c. 16 100 pop), 61 km (38 miles) from Aguadilla (c. 16 100 pop), 50 km (31 miles) from Isabela (c. 12 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Florida, Estancias de Florida, Las Marías (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel the quake?

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 3 mb The magnitude for the event.
Longitude -66.9797° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9489° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 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 2017-02-25 05:04:55 Time when the event occurred. UTC/GMT
Updated 2017-02-25 11:32:58 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 138 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.49407341 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 284.4 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 pr17056012 Id of event.
Event Code 17056012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17056012, A comma-separated list of event ids that are associated to an event.

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