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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near La Ligua in Chile



Earthquake location -32.132S, -71.4543WA light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 41 kilometers (25 miles) from La Ligua in Chile. The temblor was picked up at 07:28:48 / 7:28 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -71.4543 West, latitude -32.132 South, depth = 35 km. Event id: us20003lu3. Ids that are associated to the earthquake: us20003lu3. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Global date and time of event UTC/GMT: 19/09/15 / 2015-09-19 10:28:48 / September 19, 2015 @ 10:28 am.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Epicenter of the event was 86 km (53 miles) from Quillota (c. 67 800 pop), 76 km (47 miles) from Hacienda La Calera (c. 49 100 pop), 41 km (26 miles) from La Ligua (c. 24 900 pop), 62 km (38 miles) from Illapel (c. 22 800 pop), 92 km (57 miles) from Llaillay (c. 16 600 pop), 61 km (38 miles) from Salamanca (c. 13 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Llaillay, Quillota, Hacienda La Calera (min 5000 pop).

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

Did you feel anything?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 41 km NNW of La Ligua, Chile.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -71.4543° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.132° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 41km NNW 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 2015-09-19 10:28:48 Time when the event occurred. UTC/GMT
Updated 2015-10-15 09:41:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.7 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 313 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 0.901 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us20003lu3 Id of event.
Event Code 20003lu3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003lu3, A comma-separated list of event ids that are associated to an event.

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