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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.4 quake has struck near San Juan in Puerto Rico

Posted by admin on October 22, 2015 0 Comments

Earthquake location 19.5277S, -66.1275WA minor earthquake with magnitude 3.4 (ml/mb) was detected on Wednesday, 117 km N of San Juan, Puerto Rico (73 miles). The earthquake occurred at a depth of 38 km (24 miles) below the earth’s surface. The temblor was picked up at 22:56:34 / 10:56 pm (local time epicenter). Exact time and date of event in UTC/GMT: 22/10/15 / 2015-10-22 02:56:34 / October 22, 2015 @ 2:56 am. Unique identifier: pr15295002. Ids that are associated to the event: pr15295002. Exact location of event, longitude -66.1275 West, latitude 19.5277 North, depth = 38 km.

In the past 24 hours, there have been three, in the last 10 days nine, in the past 30 days twenty-eight and in the last 365 days four hundred and fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 117 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -66.1275° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.5277° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38 km Depth of the event in kilometers.
Place 117km N of San Juan, 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 2015-10-22 02:56:34 Time when the event occurred. UTC/GMT
Updated 2015-10-22 05:37:14 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 178 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.21272563 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 291.6 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 pr15295002 Id of event.
Event Code 15295002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15295002, A comma-separated list of event ids that are associated to an event.

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