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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

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


Earthquake location -32.1201S, -71.945WA light earthquake magnitude 4.4 (ml/mb) strikes 76 kilometers (47 miles) from La Ligua in Chile on Saturday. All ids that are associated to the event: us20003m3j. Unique identifier: us20003m3j. The 4.4-magnitude earthquake was detected at 23:22:03 / 11:22 pm (local time epicenter). Exact time and date of event in UTC/GMT: 20/09/15 / 2015-09-20 04:22:03 / September 20, 2015 @ 4:22 am. The epicenter was at a depth of 21.55 km (13 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -71.945° West, -32.1201° South, depth 21.55 km.

Epicenter of the earthquake was 77 km (48 miles) from La Ligua (c. 24 900 pop), 91 km (57 miles) from Illapel (c. 22 800 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Illapel, La Ligua (min 5000 pop).

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 twelve, in the last 10 days seventy-six, in the past 30 days seventy-six and in the last 365 days ninety-one earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 76 km WNW of La Ligua, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.945° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.1201° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.55 km Depth of the event in kilometers.
Place 76km WNW of La Ligua, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-20 04:22:03 Time when the event occurred. UTC/GMT
Updated 2015-09-20 04:55:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 0.936 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us20003m3j Id of event.
Event Code 20003m3j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003m3j, A comma-separated list of event ids that are associated to an event.

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