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Light earthquake: M4.4 quake has struck near Vallenar in Chile

Posted by admin on April 28, 2018 0 Comments

Earthquake location -28.1782S, -71.4283WA light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, 78 kilometers (48 miles) from Vallenar in Chile. Exact location of event, depth 22.97 km, -71.4283° West, -28.1782° South. Id of earthquake: us1000dt78. Event ids that are associated: us1000dt78. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 27/04/18 / 2018-04-27 07:56:35 / April 27, 2018 @ 7:56 am. The epicenter was at a depth of 22.97 km (14 miles). The temblor was reported at 02:56:35 / 2:56 am (local time epicenter).

The epicenter was 79 km (49 miles) from Vallenar (c. 44 900 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vallenar.

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

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 78 km WNW of Vallenar, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.4283° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.1782° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.97 km Depth of the event in kilometers.
Place 78km WNW 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 2018-04-27 07:56:35 Time when the event occurred. UTC/GMT
Updated 2018-04-28 09:58:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 0.313 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 191 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 us1000dt78 Id of event.
Event Code 1000dt78 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dt78, A comma-separated list of event ids that are associated to an event.

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