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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near San Pedro de Atacama in Chile


Earthquake location -23.079S, -68.1727WA light earthquake magnitude 4.5 (ml/mb) strikes 18 km SSE of San Pedro de Atacama, Chile (11 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 13:07:32 / 1:07 pm (local time epicenter). Global date and time of event UTC/GMT: 13/05/18 / 2018-05-13 17:07:32 / May 13, 2018 @ 5:07 pm. Exact location of event, longitude -68.1727 West, latitude -23.079 South, depth = 123.37 km. The earthquake was roughly at a depth of 123.37 km (77 miles). All ids that are associated to the event: us1000e465. Unique identifier: us1000e465.

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

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 18 km SSE of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -68.1727° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.079° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 123.37 km Depth of the event in kilometers.
Place 18km SSE 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 2018-05-13 17:07:32 Time when the event occurred. UTC/GMT
Updated 2018-06-11 14:41:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 312 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 0.126 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 75 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 us1000e465 Id of event.
Event Code 1000e465 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000e465, A comma-separated list of event ids that are associated to an event.

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