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Minor earthquake: M2.8 quake has struck near Tierras Nuevas Poniente in Puerto Rico


Earthquake location 19.107S, -66.4235WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Saturday, 71 kilometers (44 miles) from Tierras Nuevas Poniente in Puerto Rico. The 2.8-magnitude earthquake has occurred at 06:17:54 / 6:17 am (local time epicenter). All ids that are associated to the event: pr15248055. Unique identifier: pr15248055. Global time and date of event 05/09/15 / 2015-09-05 10:17:54 / September 5, 2015 @ 10:17 am UTC/GMT. The epicenter of the earthquake was roughly 45 km (28 miles) below the earth’s surface. Exact location, longitude -66.4235° West, latitude 19.107° North, depth = 45 km.

Closest city/cities/towns to epicentrum/hypocenter was Arecibo, Ingenio, Manatí (min 5000 pop). Earthquake epicenter was 77 km (48 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Vega Baja (c. 29 300 pop), 74 km (46 miles) from Barceloneta (c. 22 300 pop), 76 km (47 miles) from Manatí (c. 16 100 pop), 74 km (46 miles) from Dorado (c. 13 100 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been ten, in the last 10 days seventeen, in the past 30 days ninety-one and in the last 365 days four hundred and twenty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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: 71 km N of Tierras Nuevas Poniente, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.4235° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.107° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45 km Depth of the event in kilometers.
Place 71km N of Tierras Nuevas Poniente, 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 2015-09-05 10:17:54 Time when the event occurred. UTC/GMT
Updated 2015-09-06 17:30:35 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.63331228 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 331.2 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 pr15248055 Id of event.
Event Code 15248055 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15248055, A comma-separated list of event ids that are associated to an event.

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