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Minor earthquake: M3.1 quake has struck near Stella in Puerto Rico


Earthquake location 18.2124S, -67.6358WA minor earthquake with magnitude 3.1 (ml/mb) was reported 42 kilometers (26 miles) from Stella in Puerto Rico on Thursday. Exact time and date of earthquake 25/02/16 / 2016-02-25 12:17:34 / February 25, 2016 @ 12:17 pm UTC/GMT. The temblor was reported at 07:17:34 / 7:17 am (local time epicenter). All ids that are associated to the event: pr16056006. Unique identifier: pr16056006. Exact location of earthquake, -67.6358° West, 18.2124° North, depth 47 km. The epicenter of the earthquake was roughly 47 km (29 miles) below the earth’s surface.

Event epicenter was 52 km (33 miles) from Mayagüez (c. 78 600 pop), 56 km (35 miles) from Aguadilla (c. 16 100 pop), 72 km (45 miles) from Isabela (c. 12 500 pop), 64 km (40 miles) from San Germán (c. 12 100 pop), 54 km (34 miles) from Hormigueros (c. 11 900 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Quebradillas, Sabana Grande, Isabela (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 one, in the last 10 days three, in the past 30 days eighteen and in the last 365 days two hundred and seventy-one 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: 42 km WSW of Stella, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.6358° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2124° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 47 km Depth of the event in kilometers.
Place 42km WSW of Stella, 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 2016-02-25 12:17:34 Time when the event occurred. UTC/GMT
Updated 2016-02-25 12:39:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 148 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.22637545 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 pr16056006 Id of event.
Event Code 16056006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16056006, A comma-separated list of event ids that are associated to an event.

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