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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Calingasta in Argentina

Earthquake location -31.2922S, -69.3221WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 9 kilometers (6 miles) from Calingasta in Argentina. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 137.4 km, -69.3221° West, -31.2922° South. Global date and time of event UTC/GMT: 19/01/19 / 2019-01-19 14:57:31 / January 19, 2019 @ 2:57 pm. Unique identifier: us2000j6d5. Ids that are associated to the event: us2000j6d5. The earthquake occurred at a depth of 137.4 km (85 miles) below the earth’s surface. The temblor was detected at 11:57:31 / 11:57 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Santa Lucía, Pocito, San Martín. Country/countries that might be effected, Argentina (c. 41 343 000 pop). Earthquake epicenter was 79 km (49 miles) from San Juan (c. 447 000 pop), 78 km (48 miles) from Chimbas (c. 73 800 pop), 83 km (52 miles) from Santa Lucía (c. 43 600 pop), 82 km (51 miles) from Pocito (c. 41 000 pop), 77 km (48 miles) from Albardón (c. 20 400 pop), 78 km (48 miles) from Villa Paula de Sarmiento (c. 19 100 pop), 79 km (49 miles) from San Martín (c. 10 100 pop).

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

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 9 km ENE of Calingasta, Argentina. This data 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 -69.3221° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.2922° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 137.4 km Depth of the event in kilometers.
Place 9km ENE 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 2019-01-19 14:57:31 Time when the event occurred. UTC/GMT
Updated 2019-02-11 17:32:46 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 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 58 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 us2000j6d5 Id of event.
Event Code 2000j6d5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j6d5, A comma-separated list of event ids that are associated to an event.

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