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Light earthquake: M4.7 quake has struck near Chamical in Argentina

Posted by admin on October 28, 2016 0 Comments

Earthquake location -30.0684S, -66.6318WA light earthquake magnitude 4.7 (ml/mb) has struck on Thursday, 44 kilometers (27 miles) from Chamical in Argentina. The epicenter of the earthquake was roughly 20.93 km (13 miles) below the earth’s surface. The temblor was picked up at 21:44:08 / 9:44 pm (local time epicenter). Exact location of event, depth 20.93 km, -66.6318° West, -30.0684° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us100072iq. Id of event: us100072iq. Date and time of earthquake in UTC/GMT: 28/10/16 / 2016-10-28 00:44:08 / October 28, 2016 @ 12:44 am.

Nearby country/countries that might be effected, Argentina (c. 41 343 000 pop). Epicenter of the event was 76 km (47 miles) from La Rioja (c. 162 600 pop), 45 km (28 miles) from Chamical (c. 13 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was La Rioja, Chamical (min 5000 pop).

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. 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 four earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 44 km NW of Chamical, Argentina.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -66.6318° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.0684° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.93 km Depth of the event in kilometers.
Place 44km NW of Chamical, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-28 00:44:08 Time when the event occurred. UTC/GMT
Updated 2016-10-28 01:19:33 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 340 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 2.299 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 43 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 us100072iq Id of event.
Event Code 100072iq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100072iq, A comma-separated list of event ids that are associated to an event.

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