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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near La Ligua in Chile


Earthquake location -32.2684S, -71.8269WA light earthquake with magnitude 4.2 (ml/mb) was reported 59 kilometers (37 miles) from La Ligua in Chile on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -71.8269° West, latitude -32.2684° South, depth = 19.48 km. Global date and time of event UTC/GMT: 06/10/20 / 2020-10-06 05:16:25 / October 6, 2020 @ 5:16 am. The temblor was picked up at 05:16:25 / 5:16 am (local time epicenter). Unique identifier: us6000c5zh. Ids that are associated to the event: us6000c5zh. The earthquake occurred at a depth of 19.48 km (12 miles).

Epicenter of the earthquake was 88 km (55 miles) from Viña del Mar (c. 294 600 pop), 88 km (55 miles) from Valparaíso (c. 282 400 pop), 87 km (54 miles) from Quillota (c. 67 800 pop), 81 km (50 miles) from Hacienda La Calera (c. 49 100 pop), 60 km (37 miles) from La Ligua (c. 24 900 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Viña del Mar, Valparaíso, Quillota.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days six and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 59 km WNW of La Ligua, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.8269° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.2684° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.48 km Depth of the event in kilometers.
Place 59 km 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 2020-10-06 05:16:25 Time when the event occurred. UTC/GMT
Updated 2020-10-12 12:47:35 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 271 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 0.756 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 133 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 us6000c5zh Id of event.
Event Code 6000c5zh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c5zh, A comma-separated list of event ids that are associated to an event.

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