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Light earthquake, 4.6 mag has occurred near Arica in Chile

Posted by admin on April 18, 2017 0 Comments

Earthquake location -19.2135S, -70.0166WA light earthquake with magnitude 4.6 (ml/mb) was detected on Tuesday, 87 kilometers (54 miles) from Arica in Chile. Unique identifier: us10008iis. Ids that are associated to the event: us10008iis. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 66.93 km (42 miles). The temblor was picked up at 03:11:55 / 3:11 am (local time epicenter). Exact location of earthquake, longitude -70.0166 West, latitude -19.2135 South, depth = 66.93 km. Exact time and date of earthquake 18/04/17 / 2017-04-18 07:11:55 / April 18, 2017 @ 7:11 am UTC/GMT.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the earthquake was 87 km (54 miles) from Arica (c. 186 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Arica (min 5000 pop).

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 87 km SSE of Arica, Chile.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -70.0166° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.2135° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 66.93 km Depth of the event in kilometers.
Place 87km SSE of Arica, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-18 07:11:55 Time when the event occurred. UTC/GMT
Updated 2017-04-18 07:38:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 0.406 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us10008iis Id of event.
Event Code 10008iis An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008iis, A comma-separated list of event ids that are associated to an event.

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