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Light earthquake: M4.4 quake has struck near San José de Jáchal in Argentina

Posted by admin on December 18, 2020 0 Comments

Earthquake location -29.7372S, -68.7352WA light earthquake magnitude 4.4 (ml/mb) strikes 55 kilometers (34 miles) from San José de Jáchal in Argentina on Friday. Global time and date of event 18/12/20 / 2020-12-18 03:01:57 / December 18, 2020 @ 3:01 am UTC/GMT. Event ids that are associated to the earthquake: us7000crzz. Id of event: us7000crzz. The epicenter of the earthquake was roughly 118.18 km (73 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, longitude -68.7352° West, latitude -29.7372° South, depth = 118.18 km. The 4.4-magnitude earthquake has occurred at 03:01:57 / 3:01 am (local time epicenter).

Event epicenter was 56 km (35 miles) from San José de Jáchal (c. 21 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was San José de Jáchal (min 5000 pop). Nearby country/countries that might be effected, Argentina (c. 41 343 000 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days ten 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.

How would you describe the shaking?

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. 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: 55 km N of San José de Jáchal, Argentina.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -68.7352° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.7372° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 118.18 km Depth of the event in kilometers.
Place 55 km N of San José de Jáchal, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-18 03:01:57 Time when the event occurred. UTC/GMT
Updated 2020-12-18 03:30:40 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 298 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 1.204 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us7000crzz Id of event.
Event Code 7000crzz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000crzz, A comma-separated list of event ids that are associated to an event.

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