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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near San Antonio de los Cobres in Argentina

Posted by admin on April 29, 2018 0 Comments

Earthquake location -24.0965S, -66.9046WA light earthquake magnitude 4.1 (ml/mb) strikes 61 km WNW of San Antonio de los Cobres, Argentina (38 miles) on Sunday. Exact location, longitude -66.9046° West, latitude -24.0965° South, depth = 198.73 km. The epicenter was at a depth of 198.73 km (123 miles). The 4.1-magnitude earthquake has occurred at 13:49:35 / 1:49 pm (local time epicenter). Unique identifier: us1000dsqe. Ids that are associated to the event: us1000dsqe. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 22/04/18 / 2018-04-22 16:49:35 / April 22, 2018 @ 4:49 pm.

In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days eight and in the last 365 days one hundred and nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. 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: 61 km WNW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -66.9046° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.0965° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 198.73 km Depth of the event in kilometers.
Place 61km 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 2018-04-22 16:49:35 Time when the event occurred. UTC/GMT
Updated 2018-04-29 15:00:50 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 259 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 1.632 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 54 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 us1000dsqe Id of event.
Event Code 1000dsqe An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dsqe, A comma-separated list of event ids that are associated to an event.

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