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Minor earthquake: M2.8 quake has struck near Isabela in Puerto Rico



Earthquake location 18.8838S, -67.0513WA minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 42 kilometers (26 miles) from Isabela in Puerto Rico. Date and time of earthquake in UTC/GMT: 25/02/17 / 2017-02-25 04:54:25 / February 25, 2017 @ 4:54 am. Id of earthquake: pr17056019. Event ids that are associated: pr17056019. The earthquake was roughly at a depth of 12 km (7 miles). The temblor was detected at 00:54:25 / 12:54 am (local time epicenter). Exact location, longitude -67.0513° West, latitude 18.8838° North, depth = 12 km.

Epicenter of the event was 76 km (48 miles) from Mayagüez (c. 78 600 pop), 58 km (36 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 52 km (32 miles) from Aguadilla (c. 16 100 pop), 43 km (27 miles) from Isabela (c. 12 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Estancias de Florida, Mayagüez, Barceloneta. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days twenty-three and in the last 365 days two hundred and twenty-two 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. There are an estimated 1,300,000 minor earthquakes in the world each year.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 42 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 2.8 mb The magnitude for the event.
Longitude -67.0513° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8838° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 42km 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 04:54:25 Time when the event occurred. UTC/GMT
Updated 2017-02-25 11:26:02 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.60276956 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 291.6 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 pr17056019 Id of event.
Event Code 17056019 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17056019, A comma-separated list of event ids that are associated to an event.

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