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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Antofagasta in Chile

Posted by admin on October 2, 2016 0 Comments

Earthquake location -23.087S, -70.595WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 65 kilometers (40 miles) from Antofagasta in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -70.595° West, latitude -23.087° South, depth = 22.8 km. Event ids that are associated to the earthquake: us10006qrx. Id of event: us10006qrx. The earthquake occurred at a depth of 22.8 km (14 miles). The temblor was detected at 22:55:08 / 10:55 pm (local time epicenter). Exact time and date of event in UTC/GMT: 19/09/16 / 2016-09-19 02:55:08 / September 19, 2016 @ 2:55 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Antofagasta. Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the earthquake was 66 km (41 miles) from Antofagasta (c. 309 800 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days five and in the last 365 days eleven 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.

How would you describe the shaking?

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: 65 km NNW of Antofagasta, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -70.595° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.087° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.8 km Depth of the event in kilometers.
Place 65km NNW of Antofagasta, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-19 02:55:08 Time when the event occurred. UTC/GMT
Updated 2016-10-02 23:34:43 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 1.24 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 us10006qrx Id of event.
Event Code 10006qrx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006qrx, A comma-separated list of event ids that are associated to an event.

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