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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 54 km WNW of Illapel, Chile



Earthquake location -31.479S, -71.713WA light earthquake with magnitude 4.4 (ml/mb) was detected on Sunday, 54 kilometers (34 miles) from Illapel in Chile. The 4.4-magnitude earthquake was detected at 14:55:28 / 2:55 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us100044gq. Ids that are associated to the event: us100044gq. The epicenter was at a depth of 36.6 km (23 miles). Exact location of earthquake, -71.713° West, -31.479° South, depth 36.6 km. Date and time of earthquake in UTC/GMT: 06/12/15 / 2015-12-06 17:55:28 / December 6, 2015 @ 5:55 pm.

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salamanca, Illapel. Epicenter of the event was 54 km (34 miles) from Illapel (c. 22 800 pop), 78 km (49 miles) from Salamanca (c. 13 300 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-two, in the last 10 days twenty-nine, in the past 30 days fifty-six and in the last 365 days four hundred and thirty-three earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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. 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: 54 km WNW of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.713° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.479° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.6 km Depth of the event in kilometers.
Place 54km WNW of Illapel, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-06 17:55:28 Time when the event occurred. UTC/GMT
Updated 2016-01-03 18:54:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us100044gq Id of event.
Event Code 100044gq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100044gq, A comma-separated list of event ids that are associated to an event.

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