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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 52 km WSW of Vallenar, Chile

Posted by admin on October 22, 2017 0 Comments

Earthquake location -28.751S, -71.2547WA light earthquake magnitude 4.4 (ml/mb) has struck on Saturday, 52 kilometers (32 miles) from Vallenar in Chile. The epicenter was at a depth of 10 km (6 miles). Global date and time of event UTC/GMT: 14/10/17 / 2017-10-14 11:20:52 / October 14, 2017 @ 11:20 am. Exact location of earthquake, -71.2547° West, -28.751° South, depth 10 km. The 4.4-magnitude earthquake has occurred at 07:20:52 / 7:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000aumw. Ids that are associated to the earthquake: us1000aumw.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vallenar. Country/countries that might be effected, Chile (c. 16 746 000 pop). Earthquake epicenter was 52 km (32 miles) from Vallenar (c. 44 900 pop).

There are an estimated 13,000 light earthquakes in the world each year. 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 two, in the past 30 days eight and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 52 km WSW of Vallenar, 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 -71.2547° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.751° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 52km WSW of Vallenar, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-14 11:20:52 Time when the event occurred. UTC/GMT
Updated 2017-10-22 05:50:15 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 0.55 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 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 us1000aumw Id of event.
Event Code 1000aumw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aumw, A comma-separated list of event ids that are associated to an event.

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