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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Calingasta in Argentina


Earthquake location -31.6643S, -70.1346WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 77 kilometers (48 miles) from Calingasta in Argentina. Exact location of event, longitude -70.1346 West, latitude -31.6643 South, depth = 117.634 km. Exact time and date of event in UTC/GMT: 12/10/24 / 2024-10-12 22:49:52 / October 12, 2024 @ 10:49 pm. 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: us6000nyce. Id of event: us6000nyce. The 4.5-magnitude earthquake was detected at 22:49:52 / 10:49 pm (local time epicenter). The earthquake was roughly at a depth of 117.634 km (73 miles).

Country/countries that might be effected, Argentina (c. 41 343 000 pop), Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salamanca, Calingasta. Epicenter of the event was 79 km (49 miles) from Salamanca (c. 13 300 pop), 78 km (49 miles) from Calingasta (c. 8 200 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 eleven earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 77 km WSW of Calingasta, Argentina. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -70.1346° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.6643° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 117.634 km Depth of the event in kilometers.
Place 77 km WSW of Calingasta, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-10-12 22:49:52 Time when the event occurred. UTC/GMT
Updated 2024-11-01 03:07:15 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 312 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 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.809 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 60 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 us6000nyce Id of event.
Event Code 6000nyce An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nyce, A comma-separated list of event ids that are associated to an event.

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