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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near San Antonio de los Cobres in Argentina



Earthquake location -23.4848S, -66.7971WA light earthquake with magnitude 4 (ml/mb) was reported 94 km NNW of San Antonio de los Cobres, Argentina (58 miles) on Thursday. The earthquake occurred at a depth of 226.41 km (141 miles). The temblor was reported at 03:04:23 / 3:04 am (local time epicenter). Date and time of earthquake in UTC/GMT: 29/06/17 / 2017-06-29 06:04:23 / June 29, 2017 @ 6:04 am. All ids that are associated to the event: us1000954q. Unique identifier: us1000954q. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -66.7971 West, latitude -23.4848 South, depth = 226.41 km.

In the past 24 hours, there have been sixteen, in the last 10 days twenty-one, in the past 30 days twenty-five and in the last 365 days one hundred and twenty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 94 km NNW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.7971° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.4848° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 226.41 km Depth of the event in kilometers.
Place 94km NNW 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 2017-06-29 06:04:23 Time when the event occurred. UTC/GMT
Updated 2017-07-27 12:39:38 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 246 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 1.377 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us1000954q Id of event.
Event Code 1000954q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000954q, A comma-separated list of event ids that are associated to an event.

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