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Light earthquake: M4.2 quake has struck near Atocha in Bolivia

Posted by admin on August 7, 2018 0 Comments

Earthquake location -21.409S, -66.7893WA light earthquake magnitude 4.2 (ml/mb) has struck on Tuesday, 78 km SW of Atocha, Bolivia (48 miles). The earthquake occurred at a depth of 230.7 km (143 miles) below the earth’s surface. Unique identifier: us1000g2mr. Ids that are associated to the event: us1000g2mr. Global time and date of event 31/07/18 / 2018-07-31 13:38:31 / July 31, 2018 @ 1:38 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 09:38:31 / 9:38 am (local time epicenter). Exact location of event, depth 230.7 km, -66.7893° West, -21.409° South.

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

Did you feel it?

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. 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: 78 km SW of Atocha, Bolivia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -66.7893° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.409° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 230.7 km Depth of the event in kilometers.
Place 78km SW of Atocha, Bolivia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-31 13:38:31 Time when the event occurred. UTC/GMT
Updated 2018-08-07 13:47:38 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 2.304 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 68 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 us1000g2mr Id of event.
Event Code 1000g2mr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g2mr, A comma-separated list of event ids that are associated to an event.

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