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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Iquique in Chile

Earthquake location -19.7988S, -69.2959WA light earthquake magnitude 4.3 (ml/mb) strikes 100 km ENE of Iquique, Chile (62 miles) on Friday. All ids that are associated to the event: us20004hcx. Unique identifier: us20004hcx. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -69.2959 West, latitude -19.7988 South, depth = 107.45 km. The temblor was reported at 19:07:37 / 7:07 pm (local time epicenter). The earthquake occurred at a depth of 107.45 km (67 miles). Global date and time of event UTC/GMT: 11/12/15 / 2015-12-11 22:07:37 / December 11, 2015 @ 10:07 pm.

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days six and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that has occurred 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?

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. 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: 100 km ENE of Iquique, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -69.2959° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.7988° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 107.45 km Depth of the event in kilometers.
Place 100km ENE of Iquique, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-11 22:07:37 Time when the event occurred. UTC/GMT
Updated 2016-01-03 01:44:51 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 284 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 0.341 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 37 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 us20004hcx Id of event.
Event Code 20004hcx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004hcx, A comma-separated list of event ids that are associated to an event.

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