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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near San Pedro de Atacama in Chile


Earthquake location -24.4046S, -68.0113WA light earthquake magnitude 4.3 (ml/mb) has occurred on Thursday, 166 km S of San Pedro de Atacama, Chile (103 miles). The temblor was detected at 05:50:50 / 5:50 am (local time epicenter). Unique identifier: us7000bpa1. Ids that are associated to the event: us7000bpa1. Exact location of event, longitude -68.0113 West, latitude -24.4046 South, depth = 139.17 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 17/09/20 / 2020-09-17 05:50:50 / September 17, 2020 @ 5:50 am. The epicenter of the earthquake was roughly 139.17 km (86 miles) below the earth’s surface.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days six and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 166 km S of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -68.0113° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.4046° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 139.17 km Depth of the event in kilometers.
Place 166 km S 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 2020-09-17 05:50:50 Time when the event occurred. UTC/GMT
Updated 2020-09-22 10:03:57 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 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 1.454 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us7000bpa1 Id of event.
Event Code 7000bpa1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bpa1, A comma-separated list of event ids that are associated to an event.

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