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Minor earthquake: M2.9 quake has struck near Isabela in Puerto Rico



Earthquake location 18.8477S, -67.008WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Saturday, 38 kilometers (24 miles) from Isabela in Puerto Rico. Event id: pr17056030. Ids that are associated to the earthquake: pr17056030. Exact time and date of event in UTC/GMT: 25/02/17 / 2017-02-25 04:37:49 / February 25, 2017 @ 4:37 am. The temblor was reported at 00:37:49 / 12:37 am (local time epicenter). Exact location of event, depth 61 km, -67.008° West, 18.8477° North. The epicenter of the earthquake was roughly 61 km (38 miles) below the earth’s surface.

The epicenter was 73 km (46 miles) from Mayagüez (c. 78 600 pop), 52 km (32 miles) from Arecibo (c. 49 300 pop), 66 km (41 miles) from Barceloneta (c. 22 300 pop), 72 km (45 miles) from Manatí (c. 16 100 pop), 49 km (31 miles) from Aguadilla (c. 16 100 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Maricao, Mayagüez, Utuado (min 5000 pop).

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. 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.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 38 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -67.008° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8477° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61 km Depth of the event in kilometers.
Place 38km 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 04:37:49 Time when the event occurred. UTC/GMT
Updated 2017-02-25 13:03:08 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 129 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5524639 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 324 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 pr17056030 Id of event.
Event Code 17056030 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17056030, A comma-separated list of event ids that are associated to an event.

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