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Light earthquake, 4.5 mag strikes near Calama in Chile

Posted by admin on April 21, 2018 0 Comments

Earthquake location -22.0126S, -68.7231WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 54 kilometers (34 miles) from Calama in Chile. Global time and date of event 21/04/18 / 2018-04-21 05:03:54 / April 21, 2018 @ 5:03 am UTC/GMT. The temblor was picked up at 01:03:54 / 1:03 am (local time epicenter). Id of earthquake: us1000dpqm. Event ids that are associated: us1000dpqm. Exact location of earthquake, -68.7231° West, -22.0126° South, depth 125.82 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 125.82 km (78 miles) below the earth’s surface.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Calama. Event epicenter was 54 km (33 miles) from Calama (c. 143 100 pop).

There are an estimated 13,000 light quakes in the world each year. 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 four, in the past 30 days nine and in the last 365 days eighty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 54 km NNE of Calama, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -68.7231° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.0126° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 125.82 km Depth of the event in kilometers.
Place 54km NNE of Calama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-21 05:03:54 Time when the event occurred. UTC/GMT
Updated 2018-04-21 05:27:04 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 0.527 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 133 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 us1000dpqm Id of event.
Event Code 1000dpqm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dpqm, A comma-separated list of event ids that are associated to an event.

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