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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Vallenar in Chile


Earthquake location -28.7474S, -70.2097WA light earthquake with magnitude 4.2 (ml/mb) was reported 56 kilometers (35 miles) from Vallenar in Chile on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 31/12/24 / 2024-12-31 05:51:59 / December 31, 2024 @ 5:51 am UTC/GMT. The 4.2-magnitude earthquake was detected at 05:51:59 / 5:51 am (local time epicenter). Exact location of earthquake, longitude -70.2097 West, latitude -28.7474 South, depth = 97.247 km. The earthquake occurred at a depth of 97.247 km (60 miles) below the earth’s surface. All ids that are associated to the event: us6000pglk. Unique identifier: us6000pglk.

The epicenter was 57 km (35 miles) from Vallenar (c. 44 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vallenar. Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

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

Questions or comments?

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: 56 km ESE of Vallenar, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -70.2097° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.7474° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 97.247 km Depth of the event in kilometers.
Place 56 km ESE of Vallenar, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-31 05:51:59 Time when the event occurred. UTC/GMT
Updated 2025-01-23 06:33:41 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 271 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 30 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.504 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us6000pglk Id of event.
Event Code 6000pglk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000pglk, A comma-separated list of event ids that are associated to an event.

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