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Minor earthquake, 2.8 mag was detected near Isabela in Puerto Rico



Earthquake location 18.7842S, -67.0104WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Saturday, 31 kilometers (19 miles) from Isabela in Puerto Rico. The epicenter of the earthquake was roughly 63 km (39 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 25/02/17 / 2017-02-25 05:33:31 / February 25, 2017 @ 5:33 am. Event ids that are associated to the earthquake: pr17056017. Id of event: pr17056017. The temblor was picked up at 01:33:31 / 1:33 am (local time epicenter). Exact location of event, depth 63 km, -67.0104° West, 18.7842° North.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Jayuya, Ciales, Vega Baja (min 5000 pop). Epicenter of the earthquake was 66 km (41 miles) from Mayagüez (c. 78 600 pop), 47 km (29 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Vega Baja (c. 29 300 pop), 62 km (39 miles) from Barceloneta (c. 22 300 pop), 75 km (47 miles) from Adjuntas (c. 19 500 pop).

Each year there are an estimated 1,300,000 minor quakes 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 eighteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 31 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -67.0104° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7842° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63 km Depth of the event in kilometers.
Place 31km 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 05:33:31 Time when the event occurred. UTC/GMT
Updated 2017-02-25 11:35:03 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, 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 0.60905776 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 320.4 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 pr17056017 Id of event.
Event Code 17056017 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17056017, A comma-separated list of event ids that are associated to an event.

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