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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 117 km NW of Vallenar, Chile

Posted by admin on September 8, 2020 0 Comments

Earthquake location -27.842S, -71.6244WA light earthquake magnitude 4.2 (ml/mb) strikes 117 km NW of Vallenar, Chile (73 miles) on Wednesday. The epicenter of the earthquake was roughly 12.34 km (8 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us7000bgml. Unique identifier: us7000bgml. The 4.2-magnitude earthquake has occurred at 16:21:38 / 4:21 pm (local time epicenter). Exact location, longitude -71.6244° West, latitude -27.842° South, depth = 12.34 km. Date and time of earthquake in UTC/GMT: 02/09/20 / 2020-09-02 16:21:38 / September 2, 2020 @ 4:21 pm.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been seventeen, in the last 10 days thirty-six, in the past 30 days thirty-seven and in the last 365 days fifty-four 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.

Questions or comments?

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. 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: 117 km NW of Vallenar, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.6244° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.842° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.34 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 2020-09-02 16:21:38 Time when the event occurred. UTC/GMT
Updated 2020-09-02 21:58:15 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 0.606 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us7000bgml Id of event.
Event Code 7000bgml An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bgml, A comma-separated list of event ids that are associated to an event.

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