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Minor World Earthquakes Magnitude -3.9

Minor earthquake 2.8 mag, 23 km NNE of Isabela, Puerto Rico

Posted by admin on October 31, 2014 0 Comments

Earthquake location 18.7075S, -66.9674WA minor earthquake magnitude 2.8 (mg/mb) has striked on Thursday, 23 kilometers (14 miles) from Isabela in Puerto Rico. The temblor was reported at 11:02:59 / 11:02 pm (local time epicenter) at a depth of 84 km (52 miles). Global time of event 2014-10-31 03:02:59 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -66.9674 West, latitude 18.7075 North, depth 84 km.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about quake recorded in: 23 km NNE of Isabela, Puerto Rico.


More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9674° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7075° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 84 km Depth of the event in kilometers.
Place 23km NNE of Isabela, 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 2014-10-31 03:02:59 Time when the event occurred. UTC/GMT
Updated 2014-10-31 04:33:53 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 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.27488448 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 259.2 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 pr14304000 Id of event.
Event Code 14304000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS pr14304000 A comma-separated list of event ids that are associated to an event.

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