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Minor earthquake, 3 mag was detected near Quebradillas in Puerto Rico



Earthquake location 18.6397S, -66.9059WA minor earthquake magnitude 3 (ml/mb) has struck on Friday, 18 kilometers (11 miles) from Quebradillas in Puerto Rico. Global time and date of event 30/10/15 / 2015-10-30 06:12:19 / October 30, 2015 @ 6:12 am UTC/GMT. The earthquake was roughly at a depth of 19 km (12 miles). The 3-magnitude earthquake was detected at 02:12:19 / 2:12 am (local time epicenter). Exact location of earthquake, longitude -66.9059 West, latitude 18.6397 North, depth = 19 km. Id of earthquake: pr15303003. Event ids that are associated: pr15303003.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Pájaros, Candelaria, Juana Díaz. Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 76 km (47 miles) from Ponce (c. 152 600 pop), 55 km (34 miles) from Mayagüez (c. 78 600 pop), 27 km (17 miles) from Arecibo (c. 49 300 pop), 59 km (37 miles) from Vega Baja (c. 29 300 pop), 44 km (27 miles) from Barceloneta (c. 22 300 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days fifteen and in the last 365 days three hundred and fourty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 18 km N of Quebradillas, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.9059° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6397° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place 18km N of Quebradillas, 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 2015-10-30 06:12:19 Time when the event occurred. UTC/GMT
Updated 2015-10-30 06:32:32 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 138 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2587148 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 223.2 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 pr15303003 Id of event.
Event Code 15303003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15303003, A comma-separated list of event ids that are associated to an event.

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