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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location -31.5182S, -71.5358WA light earthquake with magnitude 4.4 (ml/mb) was reported 37 kilometers (23 miles) from Illapel in Chile on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 03:03:32 / 3:03 am (local time epicenter). The earthquake occurred at a depth of 30.65 km (19 miles). Global date and time of event UTC/GMT: 01/01/16 / 2016-01-01 06:03:32 / January 1, 2016 @ 6:03 am. Event ids that are associated to the earthquake: us10004api. Id of event: us10004api. Exact location of event, depth 30.65 km, -71.5358° West, -31.5182° South.

Epicenter of the earthquake was 37 km (23 miles) from Illapel (c. 22 800 pop), 61 km (38 miles) from Salamanca (c. 13 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salamanca, Illapel. Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 37 km WNW 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 -71.5358° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.5182° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 30.65 km Depth of the event in kilometers.
Place 37km 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 2016-01-01 06:03:32 Time when the event occurred. UTC/GMT
Updated 2016-01-22 09:43:31 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 0.846 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 169 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 us10004api Id of event.
Event Code 10004api An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004api, A comma-separated list of event ids that are associated to an event.

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