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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 150 km N of Calama, Chile

Posted by admin on October 19, 2018 0 Comments

Earthquake location -21.1038S, -68.9174WA light earthquake magnitude 4.2 (ml/mb) strikes 150 km N of Calama, Chile (93 miles) on Wednesday. Date and time of earthquake in UTC/GMT: 04/10/18 / 2018-10-04 00:36:47 / October 4, 2018 @ 12:36 am. Exact location of earthquake, longitude -68.9174 West, latitude -21.1038 South, depth = 116.74 km. The 4.2-magnitude earthquake has occurred at 20:36:47 / 8:36 pm (local time epicenter). Event id: us1000h6q1. Ids that are associated to the earthquake: us1000h6q1. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 116.74 km (73 miles) below the earth’s surface.

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

Did you feel it?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 150 km N of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -68.9174° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.1038° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 116.74 km Depth of the event in kilometers.
Place 150km N of Calama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-04 00:36:47 Time when the event occurred. UTC/GMT
Updated 2018-10-19 23:05:29 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 271 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 0.752 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000h6q1 Id of event.
Event Code 1000h6q1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h6q1, A comma-separated list of event ids that are associated to an event.

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