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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Chilecito in Argentina

Earthquake location -28.9184S, -67.5478WA light earthquake magnitude 4.3 (ml/mb) strikes 27 kilometers (17 miles) from Chilecito in Argentina on Thursday. Event ids that are associated to the earthquake: us6000a9w7. Id of event: us6000a9w7. The 4.3-magnitude earthquake was detected at 18:34:25 / 6:34 pm (local time epicenter). Exact time and date of event in UTC/GMT: 04/06/20 / 2020-06-04 18:34:25 / June 4, 2020 @ 6:34 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -67.5478° West, -28.9184° South, depth 126.95 km. The earthquake occurred at a depth of 126.95 km (79 miles) below the earth’s surface.

Nearest cities/city/villages to epicentrum/hypocenter was La Rioja, Arauco, Chilecito (min 5000 pop). Nearby country/countries, Argentina (c. 41 343 000 pop) (That might be effected). Earthquake epicenter was 87 km (54 miles) from La Rioja (c. 162 600 pop), 28 km (17 miles) from Chilecito (c. 42 200 pop), 82 km (51 miles) from Arauco (c. 13 700 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 27 km N of Chilecito, Argentina.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -67.5478° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.9184° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 126.95 km Depth of the event in kilometers.
Place 27 km N of Chilecito, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-06-04 18:34:25 Time when the event occurred. UTC/GMT
Updated 2020-06-17 13:33:14 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 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 2.392 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us6000a9w7 Id of event.
Event Code 6000a9w7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000a9w7, A comma-separated list of event ids that are associated to an event.

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