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Light earthquake: M4.3 quake has struck near Constitucion in Chile

Posted by admin on August 2, 2017 0 Comments

Earthquake location -35.74S, -73.4354WA light earthquake magnitude 4.3 (ml/mb) strikes 102 km WSW of Constitucion, Chile (63 miles) on Wednesday. The 4.3-magnitude earthquake has occurred at 07:49:24 / 7:49 am (local time epicenter). All ids that are associated to the event: us2000a3nw. Unique identifier: us2000a3nw. Global time and date of event 02/08/17 / 2017-08-02 12:49:24 / August 2, 2017 @ 12:49 pm UTC/GMT. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -73.4354 West, latitude -35.74 South, depth = 10 km.

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

Questions or comments?

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 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: 102 km WSW of Constitucion, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -73.4354° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -35.74° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 102km WSW of Constitucion, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-02 12:49:24 Time when the event occurred. UTC/GMT
Updated 2017-08-02 13:05:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 284 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 1.025 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 191 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 us2000a3nw Id of event.
Event Code 2000a3nw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a3nw, A comma-separated list of event ids that are associated to an event.

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