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Light earthquake, 4.7 mag strikes near Vallenar in Chile

Posted by admin on September 18, 2015 0 Comments

Earthquake location -28.2405S, -70.9105WA light earthquake magnitude 4.7 (ml/mb) has occurred on Friday, 39 kilometers (24 miles) from Vallenar in Chile. The earthquake occurred at a depth of 62.95 km (39 miles). The temblor was picked up at 15:20:07 / 3:20 pm (local time epicenter). Event id: us20003lg8. Ids that are associated to the earthquake: us20003lg8. Global date and time of event UTC/GMT: 18/09/15 / 2015-09-18 18:20:07 / September 18, 2015 @ 6:20 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -70.9105° West, -28.2405° South, depth 62.95 km.

Nearest cities/city/villages to epicentrum/hypocenter was Vallenar (min 5000 pop). Earthquake epicenter was 40 km (25 miles) from Vallenar (c. 44 900 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. 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 nineteen 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.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 39 km NNW of Vallenar, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -70.9105° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.2405° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 62.95 km Depth of the event in kilometers.
Place 39km NNW 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 2015-09-18 18:20:07 Time when the event occurred. UTC/GMT
Updated 2015-09-18 18:45:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.8 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 340 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 0.148 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 54 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 us20003lg8 Id of event.
Event Code 20003lg8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003lg8, A comma-separated list of event ids that are associated to an event.

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