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


Earthquake location -46.4041S, -69.0583WA light earthquake with magnitude 4.5 (ml/mb) was reported 17 kilometers (11 miles) from Las Heras in Argentina on Thursday. All ids that are associated to the event: us70005v2p. Unique identifier: us70005v2p. The temblor was reported at 13:58:29 / 1:58 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 17/10/19 / 2019-10-17 16:58:29 / October 17, 2019 @ 4:58 pm. Exact location of event, depth 10 km, -69.0583° West, -46.4041° South.

Epicenter of the earthquake was 95 km (59 miles) from Pico Truncado (c. 15 000 pop), 18 km (11 miles) from Las Heras (c. 9 300 pop), 91 km (56 miles) from Sarmiento (c. 8 300 pop). Country/countries that might be effected, Argentina (c. 41 343 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Pico Truncado, Sarmiento, Las Heras.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. 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 one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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. 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: 17 km NNW of Las Heras, Argentina.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -69.0583° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -46.4041° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 17km NNW of Las Heras, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-10-17 16:58:29 Time when the event occurred. UTC/GMT
Updated 2019-10-17 22:13:13 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 2.265 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us70005v2p Id of event.
Event Code 70005v2p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005v2p, A comma-separated list of event ids that are associated to an event.

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