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Light earthquake, 4.3 mag has occurred near Calama in Chile

Posted by admin on December 20, 2020 0 Comments

Earthquake location -21.9839S, -68.7084WA light earthquake magnitude 4.3 (ml/mb) has occurred on Sunday, 56 kilometers (35 miles) from Calama in Chile. Exact time and date of earthquake 20/12/20 / 2020-12-20 22:20:03 / December 20, 2020 @ 10:20 pm UTC/GMT. The earthquake occurred at a depth of 117.35 km (73 miles) below the earth’s surface. Exact location of earthquake, longitude -68.7084 West, latitude -21.9839 South, depth = 117.35 km. Event id: us7000csse. Ids that are associated to the earthquake: us7000csse. The temblor was reported at 22:20:03 / 10:20 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby 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. The epicenter was 57 km (36 miles) from Calama (c. 143 100 pop).

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

Did you feel the quake?

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. 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: 56 km NNE of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -68.7084° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.9839° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 117.35 km Depth of the event in kilometers.
Place 56 km 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 2020-12-20 22:20:03 Time when the event occurred. UTC/GMT
Updated 2020-12-20 22:34:17 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 284 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 0.529 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89 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 us7000csse Id of event.
Event Code 7000csse An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000csse, A comma-separated list of event ids that are associated to an event.

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