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Light earthquake: M4 quake has struck near Calama in Chile



Earthquake location -21.285S, -68.76WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 132 km N of Calama, Chile (82 miles). The 4-magnitude earthquake has occurred at 11:11:38 / 11:11 am (local time epicenter). All ids that are associated to the event: us2000a5d0. Unique identifier: us2000a5d0. Exact time and date of earthquake 06/08/17 / 2017-08-06 15:11:38 / August 6, 2017 @ 3:11 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 122.6 km (76 miles). Exact location of event, depth 122.6 km, -68.76° West, -21.285° South.

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

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 132 km N of Calama, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -68.76° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.285° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 122.6 km Depth of the event in kilometers.
Place 132km 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 2017-08-06 15:11:38 Time when the event occurred. UTC/GMT
Updated 2017-08-06 16:11:59 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 246 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us2000a5d0 Id of event.
Event Code 2000a5d0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a5d0, A comma-separated list of event ids that are associated to an event.

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