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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near San Antonio de los Cobres in Argentina

Posted by admin on August 11, 2015 0 Comments

Earthquake location -23.955S, -66.761WA light earthquake magnitude 4.2 (ml/mb) has occurred on Monday, 53 km WNW of San Antonio de los Cobres, Argentina (33 miles). Exact location of event, longitude -66.761 West, latitude -23.955 South, depth = 210 km. Exact time and date of earthquake 20/07/15 / 2015-07-20 21:21:57 / July 20, 2015 @ 9:21 pm UTC/GMT. Unique identifier: us20002yr0. Ids that are associated to the event: us20002yr0. The earthquake occurred at a depth of 210 km (130 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 18:21:57 / 6:21 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days eight and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 53 km WNW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -66.761° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.955° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 210 km Depth of the event in kilometers.
Place 53km WNW of San Antonio de los Cobres, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-20 21:21:57 Time when the event occurred. UTC/GMT
Updated 2015-08-11 02:14:55 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 271 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20002yr0 Id of event.
Event Code 20002yr0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002yr0, A comma-separated list of event ids that are associated to an event.

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