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Light World Earthquakes Magnitude 4-4.9

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



Earthquake location -31.64S, -71.664WA light earthquake magnitude 4.4 (ml/mb) strikes 47 kilometers (29 miles) from Illapel in Chile on Friday. The earthquake was roughly at a depth of 38.9 km (24 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -71.664° West, latitude -31.64° South, depth = 38.9 km. Id of earthquake: us20003lnj. Event ids that are associated: us20003lnj. The temblor was picked up at 21:42:44 / 9:42 pm (local time epicenter). Global date and time of event UTC/GMT: 19/09/15 / 2015-09-19 00:42:44 / September 19, 2015 @ 12:42 am.

Country/countries that might be effected, Chile (c. 16 746 000 pop). Earthquake epicenter was 47 km (29 miles) from Illapel (c. 22 800 pop), 68 km (42 miles) from Salamanca (c. 13 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salamanca, Illapel.

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 one hundred and eighty-eight, 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 three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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: 47 km W of Illapel, 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 -71.664° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.64° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.9 km Depth of the event in kilometers.
Place 47km W 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 2015-09-19 00:42:44 Time when the event occurred. UTC/GMT
Updated 2015-10-16 04:19:39 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 0.8 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 mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20003lnj Id of event.
Event Code 20003lnj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003lnj, A comma-separated list of event ids that are associated to an event.

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