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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near San Pedro de Atacama in Chile

Posted by admin on May 7, 2018 0 Comments

Earthquake location -22.9985S, -68.0247WA light earthquake magnitude 4.4 (ml/mb) has occurred on Sunday, 21 km ESE of San Pedro de Atacama, Chile (13 miles). Event ids that are associated to the earthquake: us2000dwhs. Id of event: us2000dwhs. Exact time and date of event in UTC/GMT: 08/04/18 / 2018-04-08 17:17:40 / April 8, 2018 @ 5:17 pm. The epicenter of the earthquake was roughly 130.89 km (81 miles) below the earth’s surface. The 4.4-magnitude earthquake was detected at 13:17:40 / 1:17 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -68.0247 West, latitude -22.9985 South, depth = 130.89 km.

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 21 km ESE of San Pedro de Atacama, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -68.0247° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.9985° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 130.89 km Depth of the event in kilometers.
Place 21km ESE 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 2018-04-08 17:17:40 Time when the event occurred. UTC/GMT
Updated 2018-05-07 15:00:59 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 298 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 0.149 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 50 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 us2000dwhs Id of event.
Event Code 2000dwhs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwhs, A comma-separated list of event ids that are associated to an event.

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