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



Earthquake location 18.0279S, -65.3916WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 11 kilometers (7 miles) from Esperanza in Puerto Rico. Global time and date of event 02/10/15 / 2015-10-02 08:52:17 / October 2, 2015 @ 8:52 am UTC/GMT. Event ids that are associated to the earthquake: pr15275008. Id of event: pr15275008. The 2.8-magnitude earthquake has occurred at 04:52:17 / 4:52 am (local time epicenter). Exact location of event, depth 17 km, -65.3916° West, 18.0279° North. The epicenter was at a depth of 17 km (11 miles).

Epicenter of the earthquake was 71 km (44 miles) from Carolina (c. 170 400 pop), 73 km (45 miles) from Caguas (c. 86 800 pop), 75 km (46 miles) from Trujillo Alto (c. 54 200 pop), 76 km (47 miles) from Saint Croix (c. 50 600 pop), 43 km (27 miles) from Fajardo (c. 34 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Guayama, Saint Croix, Trujillo Alto (min 5000 pop).

In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days twenty and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 11 km SE of Esperanza, 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 -65.3916° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0279° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17 km Depth of the event in kilometers.
Place 11km SE of Esperanza, 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 2015-10-02 08:52:17 Time when the event occurred. UTC/GMT
Updated 2015-10-02 11:45:57 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.16798496 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 169.2 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 pr15275008 Id of event.
Event Code 15275008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15275008, A comma-separated list of event ids that are associated to an event.

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