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Light earthquake: M4.7 quake has struck near Valparaíso in Chile

Posted by admin on March 12, 2021 0 Comments

Earthquake location -33.2073S, -71.8906WA light earthquake with magnitude 4.7 (ml/mb) was detected on Friday, 30 kilometers (19 miles) from Valparaíso in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 22.54 km (14 miles) below the earth’s surface. Unique identifier: us7000divm. Ids that are associated to the event: us7000divm. Exact location of event, depth 22.54 km, -71.8906° West, -33.2073° South. The 4.7-magnitude earthquake has occurred at 16:00:26 / 4:00 pm (local time epicenter). Global date and time of event UTC/GMT: 12/03/21 / 2021-03-12 16:00:26 / March 12, 2021 @ 4:00 pm.

The epicenter was 38 km (23 miles) from Viña del Mar (c. 294 600 pop), 31 km (19 miles) from Valparaíso (c. 282 400 pop), 45 km (28 miles) from Quilpué (c. 130 300 pop), 52 km (32 miles) from Villa Alemana (c. 97 300 pop), 50 km (31 miles) from San Antonio (c. 85 700 pop), 70 km (43 miles) from Quillota (c. 67 800 pop), 82 km (51 miles) from Melipilla (c. 63 100 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was El Monte, Llaillay, Lampa (min 5000 pop).

There are an estimated 13,000 light quakes 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 two, in the last 10 days two, in the past 30 days five and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 30 km SW of Valparaíso, Chile.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -71.8906° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2073° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.54 km Depth of the event in kilometers.
Place 30 km SW of Valparaíso, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-03-12 16:00:26 Time when the event occurred. UTC/GMT
Updated 2021-03-12 16:36:32 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 340 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 0.281 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 149 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 us7000divm Id of event.
Event Code 7000divm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000divm, A comma-separated list of event ids that are associated to an event.

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