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Light earthquake: M4.1 quake has struck near Calama in Chile

Posted by admin on April 8, 2018 0 Comments

Earthquake location -22.3877S, -68.8984WA light earthquake magnitude 4.1 (ml/mb) has occurred on Sunday, 9 kilometers (6 miles) from Calama in Chile. Exact location of event, depth 108.23 km, -68.8984° West, -22.3877° South. The 4.1-magnitude earthquake has occurred at 09:37:30 / 9:37 am (local time epicenter). The earthquake was roughly at a depth of 108.23 km (67 miles). Event id: us2000dwfe. Ids that are associated to the earthquake: us2000dwfe. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 08/04/18 / 2018-04-08 13:37:30 / April 8, 2018 @ 1:37 pm.

Closest city/cities/towns to epicentrum/hypocenter was Calama (min 5000 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 8 km (5 miles) from Calama (c. 143 100 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days six and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

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: 9 km NNE of Calama, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.8984° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.3877° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 108.23 km Depth of the event in kilometers.
Place 9km NNE 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 2018-04-08 13:37:30 Time when the event occurred. UTC/GMT
Updated 2018-04-08 13:59:38 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 259 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 0.224 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 111 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 us2000dwfe Id of event.
Event Code 2000dwfe An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwfe, A comma-separated list of event ids that are associated to an event.

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