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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Vallenar in Chile

Posted by admin on September 8, 2020 0 Comments

Earthquake location -27.9171S, -71.6914WA light earthquake with magnitude 4 (ml/mb) was reported 117 km NW of Vallenar, Chile (73 miles) on Saturday. Date and time of earthquake in UTC/GMT: 05/09/20 / 2020-09-05 17:37:52 / September 5, 2020 @ 5:37 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 17:37:52 / 5:37 pm (local time epicenter). Exact location of event, longitude -71.6914 West, latitude -27.9171 South, depth = 10.6 km. The earthquake occurred at a depth of 10.6 km (7 miles). Id of earthquake: us7000bik4. Event ids that are associated: us7000bik4.

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 117 km NW of Vallenar, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -71.6914° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.9171° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.6 km Depth of the event in kilometers.
Place 117 km NW of Vallenar, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-05 17:37:52 Time when the event occurred. UTC/GMT
Updated 2020-09-06 01:40:34 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 246 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 0.616 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 192 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 us7000bik4 Id of event.
Event Code 7000bik4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bik4, A comma-separated list of event ids that are associated to an event.

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