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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Calama in Chile


Earthquake location -21.8974S, -68.41WA light earthquake magnitude 4.1 (ml/mb) has occurred on Wednesday, 82 kilometers (51 miles) from Calama in Chile. Exact location of earthquake, -68.41° West, -21.8974° South, depth 132.86 km. Event id: us70006xsf. Ids that are associated to the earthquake: us70006xsf. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 132.86 km (83 miles) below the earth’s surface. The temblor was detected at 05:43:09 / 5:43 am (local time epicenter). Exact time and date of earthquake 25/12/19 / 2019-12-25 09:43:09 / December 25, 2019 @ 9:43 am UTC/GMT.

Closest city/cities/towns to epicentrum/hypocenter was Calama (min 5000 pop). The epicenter was 82 km (51 miles) from Calama (c. 143 100 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been seven, in the last 10 days eleven, in the past 30 days seventeen and in the last 365 days ninety-three 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.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 82 km NE of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.41° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.8974° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 132.86 km Depth of the event in kilometers.
Place 82km NE 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 2019-12-25 09:43:09 Time when the event occurred. UTC/GMT
Updated 2020-01-17 01:17:26 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 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 0.779 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us70006xsf Id of event.
Event Code 70006xsf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006xsf, A comma-separated list of event ids that are associated to an event.

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