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Light earthquake, 4.2 mag was detected near San Pedro de Atacama in Chile

Posted by admin on September 22, 2015 0 Comments

Earthquake location -22.3801S, -67.1919WA light earthquake with magnitude 4.2 (ml/mb) was reported 120 km ENE of San Pedro de Atacama, Chile (75 miles) on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 16:26:39 / 4:26 pm (local time epicenter). The earthquake occurred at a depth of 224.99 km (140 miles) below the earth’s surface. Exact location of event, longitude -67.1919 West, latitude -22.3801 South, depth = 224.99 km. Date and time of earthquake in UTC/GMT: 22/09/15 / 2015-09-22 20:26:39 / September 22, 2015 @ 8:26 pm. Event ids that are associated to the earthquake: us20003n2l. Id of event: us20003n2l.

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

Questions or comments?

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: 120 km ENE of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -67.1919° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.3801° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 224.99 km Depth of the event in kilometers.
Place 120km ENE of San Pedro de Atacama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-22 20:26:39 Time when the event occurred. UTC/GMT
Updated 2015-09-22 21:35:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 2.515 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us20003n2l Id of event.
Event Code 20003n2l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003n2l, A comma-separated list of event ids that are associated to an event.

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