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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location -22.0409S, -63.7396WA light earthquake with magnitude 4.2 (ml/mb) was reported 6 kilometers (4 miles) from Yacuiba in Bolivia on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 18:07:09 / 6:07 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 20/07/17 / 2017-07-20 21:07:09 / July 20, 2017 @ 9:07 pm. Unique identifier: us2000a0wz. Ids that are associated to the event: us2000a0wz. Exact location of event, depth 552.99 km, -63.7396° West, -22.0409° South. The earthquake was roughly at a depth of 552.99 km (344 miles).

The epicenter was 7 km (4 miles) from Yacuiba (c. 82 800 pop), 53 km (33 miles) from Tartagal (c. 60 800 pop), 62 km (39 miles) from General Enrique Mosconi (c. 19 800 pop), 91 km (57 miles) from Villamontes (c. 18 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Villamontes, General Enrique Mosconi, Tartagal. Close country/countries that might be effected, Argentina (c. 41 343 000 pop), Bolivia (c. 9 947 000 pop).

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

Did you feel anything?

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: 6 km W of Yacuiba, Bolivia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -63.7396° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.0409° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 552.99 km Depth of the event in kilometers.
Place 6km W of Yacuiba, Bolivia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-20 21:07:09 Time when the event occurred. UTC/GMT
Updated 2017-08-01 04:57:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 4.821 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 172 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 us2000a0wz Id of event.
Event Code 2000a0wz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a0wz, A comma-separated list of event ids that are associated to an event.

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