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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near San Antonio de los Cobres in Argentina

Earthquake location -24.2608S, -67.2056WA light earthquake with magnitude 4.2 (ml/mb) was reported 90 km W of San Antonio de los Cobres, Argentina (56 miles) on Wednesday. The 4.2-magnitude earthquake was detected at 10:11:15 / 10:11 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us10005dlg. Id of event: us10005dlg. Exact time and date of event in UTC/GMT: 04/05/16 / 2016-05-04 13:11:15 / May 4, 2016 @ 1:11 pm. The epicenter of the earthquake was roughly 179.65 km (112 miles) below the earth’s surface. Exact location of earthquake, -67.2056° West, -24.2608° South, depth 179.65 km.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days eight, in the past 30 days thirteen and in the last 365 days sixty-eight earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 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. 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: 90 km W 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 -67.2056° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.2608° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 179.65 km Depth of the event in kilometers.
Place 90km W 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 2016-05-04 13:11:15 Time when the event occurred. UTC/GMT
Updated 2016-05-21 12:26:34 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 1.579 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 112 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 us10005dlg Id of event.
Event Code 10005dlg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005dlg, A comma-separated list of event ids that are associated to an event.

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