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Light earthquake: M4.1 quake has struck near Calama in Chile

Posted by admin on January 4, 2021 0 Comments

Earthquake location -21.2574S, -68.7626WA light earthquake magnitude 4.1 (ml/mb) has struck on Tuesday, 133 km N of Calama, Chile (83 miles). Exact location of event, longitude -68.7626 West, latitude -21.2574 South, depth = 131.42 km. The temblor was reported at 06:49:35 / 6:49 am (local time epicenter). Date and time of earthquake in UTC/GMT: 29/12/20 / 2020-12-29 06:49:35 / December 29, 2020 @ 6:49 am. The earthquake occurred at a depth of 131.42 km (82 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000d3xh. Ids that are associated to the earthquake: us6000d3xh.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 133 km N of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.7626° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.2574° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 131.42 km Depth of the event in kilometers.
Place 133 km N 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 2020-12-29 06:49:35 Time when the event occurred. UTC/GMT
Updated 2021-01-04 14:05:36 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 259 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 0.697 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us6000d3xh Id of event.
Event Code 6000d3xh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d3xh, A comma-separated list of event ids that are associated to an event.

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