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Minor earthquake, 2.8 mag has occurred near Piedra Gorda in Puerto Rico


Earthquake location 18.4067S, -66.8616WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Monday, 4 kilometers (2 miles) from Piedra Gorda in Puerto Rico. Global date and time of event UTC/GMT: 02/11/15 / 2015-11-02 12:34:29 / November 2, 2015 @ 12:34 pm. Exact location of earthquake, -66.8616° West, 18.4067° North, depth 119 km. The 2.8-magnitude earthquake was detected at 08:34:29 / 8:34 am (local time epicenter). The epicenter of the earthquake was roughly 119 km (74 miles) below the earth’s surface. All ids that are associated to the event: pr15306011. Unique identifier: pr15306011.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Earthquake epicenter was 74 km (46 miles) from Bayamón (c. 203 500 pop), 51 km (32 miles) from Ponce (c. 152 600 pop), 37 km (23 miles) from Mayagüez (c. 78 600 pop), 17 km (11 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Levittown (c. 29 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Salinas, Bayamón, Levittown (min 5000 pop).

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

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 4 km SE of Piedra Gorda, Puerto Rico. This information 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 -66.8616° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4067° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 119 km Depth of the event in kilometers.
Place 4km SE of Piedra Gorda, 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 2015-11-02 12:34:29 Time when the event occurred. UTC/GMT
Updated 2015-11-02 17:26:41 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1176793 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151.2 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 pr15306011 Id of event.
Event Code 15306011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15306011, A comma-separated list of event ids that are associated to an event.

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