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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Illapel in Chile

Earthquake location -31.535S, -71.696WA light earthquake with magnitude 4.4 (ml/mb) was reported 51 kilometers (32 miles) from Illapel in Chile on Thursday. Exact location of event, longitude -71.696 West, latitude -31.535 South, depth = 27.9 km. The 4.4-magnitude earthquake was detected at 03:17:12 / 3:17 am (local time epicenter). Global date and time of event UTC/GMT: 17/09/15 / 2015-09-17 06:17:12 / September 17, 2015 @ 6:17 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us10003j4n. Id of event: us10003j4n. The epicenter was at a depth of 27.9 km (17 miles).

Earthquake epicenter was 51 km (32 miles) from Illapel (c. 22 800 pop), 74 km (46 miles) from Salamanca (c. 13 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Salamanca, Illapel (min 5000 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected).

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

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. 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: 51 km WNW of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.696° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.535° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.9 km Depth of the event in kilometers.
Place 51km 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 2015-09-17 06:17:12 Time when the event occurred. UTC/GMT
Updated 2015-10-11 08:07:55 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 us10003j4n Id of event.
Event Code 10003j4n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j4n, A comma-separated list of event ids that are associated to an event.

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