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Light earthquake 4 mag, 36 km NW of San Pedro de Atacama, Chile

Posted by admin on September 23, 2020 0 Comments

Earthquake location -22.6665S, -68.438WA light earthquake magnitude 4 (ml/mb) has struck on Wednesday, 36 kilometers (22 miles) from San Pedro de Atacama in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 03:59:50 / 3:59 am (local time epicenter). Exact location of event, depth 114.62 km, -68.438° West, -22.6665° South. The earthquake occurred at a depth of 114.62 km (71 miles). Event ids that are associated to the earthquake: us6000bzy7. Id of event: us6000bzy7. Global time and date of event 23/09/20 / 2020-09-23 03:59:50 / September 23, 2020 @ 3:59 am UTC/GMT.

Epicenter of the earthquake was 56 km (35 miles) from Calama (c. 143 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Calama. Country/countries that might be effected, Chile (c. 16 746 000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days seven and in the last 365 days sixty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 36 km NW of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -68.438° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.6665° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 114.62 km Depth of the event in kilometers.
Place 36 km NW of San Pedro de Atacama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-23 03:59:50 Time when the event occurred. UTC/GMT
Updated 2020-09-23 22:01:51 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.371 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us6000bzy7 Id of event.
Event Code 6000bzy7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bzy7, A comma-separated list of event ids that are associated to an event.

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