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

Posted by admin on February 11, 2020 0 Comments

Earthquake location -21.0766S, -68.9022WA light earthquake magnitude 4.1 (ml/mb) has struck on Tuesday, 153 km N of Calama, Chile (95 miles). Global time and date of event 11/02/20 / 2020-02-11 17:17:05 / February 11, 2020 @ 5:17 pm UTC/GMT. Exact location of event, longitude -68.9022 West, latitude -21.0766 South, depth = 118.9 km. The earthquake was roughly at a depth of 118.9 km (74 miles). Event id: us70007n77. Ids that are associated to the earthquake: us70007n77. The 4.1-magnitude earthquake has occurred at 13:17:05 / 1:17 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days seven and in the last 365 days eighty 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. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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: 153 km N of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.9022° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.0766° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 118.9 km Depth of the event in kilometers.
Place 153km 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 2020-02-11 17:17:05 Time when the event occurred. UTC/GMT
Updated 2020-02-11 18:58:06 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 0.547 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 45 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 us70007n77 Id of event.
Event Code 70007n77 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007n77, A comma-separated list of event ids that are associated to an event.

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