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Light earthquake: M4.6 quake has struck near Calama in Chile

Posted by admin on April 16, 2016 0 Comments

Earthquake location -21.1967S, -68.8511WA light earthquake with magnitude 4.6 (ml/mb) was detected on Saturday, 140 km N of Calama, Chile (87 miles). Event id: us20005j0v. Ids that are associated to the earthquake: us20005j0v. Date and time of earthquake in UTC/GMT: 16/04/16 / 2016-04-16 15:07:56 / April 16, 2016 @ 3:07 pm. The earthquake occurred at a depth of 154.65 km (96 miles) below the earth’s surface. The temblor was reported at 12:07:56 / 12:07 pm (local time epicenter). Exact location of event, longitude -68.8511 West, latitude -21.1967 South, depth = 154.65 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 seven and in the last 365 days sixty-six 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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 140 km N of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -68.8511° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.1967° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 154.65 km Depth of the event in kilometers.
Place 140km 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 2016-04-16 15:07:56 Time when the event occurred. UTC/GMT
Updated 2016-04-16 19:43:08 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 0.699 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 us20005j0v Id of event.
Event Code 20005j0v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005j0v, A comma-separated list of event ids that are associated to an event.

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