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Light earthquake: M4.1 quake has struck near San Antonio de los Cobres in Argentina


Earthquake location -23.996S, -66.9818WA light earthquake magnitude 4.1 (ml/mb) has struck on Wednesday, 71 km WNW of San Antonio de los Cobres, Argentina (44 miles). The earthquake occurred at a depth of 203.31 km (126 miles) below the earth’s surface. Exact location of event, depth 203.31 km, -66.9818° West, -23.996° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us1000993w. Ids that are associated to the event: us1000993w. The 4.1-magnitude earthquake has occurred at 10:25:13 / 10:25 am (local time epicenter). Date and time of earthquake in UTC/GMT: 12/07/17 / 2017-07-12 13:25:13 / July 12, 2017 @ 1:25 pm.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days six, in the past 30 days sixteen and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 71 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 -66.9818° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.996° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 203.31 km Depth of the event in kilometers.
Place 71km 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 2017-07-12 13:25:13 Time when the event occurred. UTC/GMT
Updated 2017-07-13 12:38:14 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 1.512 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us1000993w Id of event.
Event Code 1000993w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000993w, A comma-separated list of event ids that are associated to an event.

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