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Light earthquake, 4.2 mag strikes near Ollagüe in Chile

Posted by admin on September 30, 2025 0 Comments

Earthquake location -21.3119S, -68.9589WA light earthquake with magnitude 4.2 (ml/mb) was reported 73 km W of Ollagüe, Chile (45 miles) on Tuesday. The 4.2-magnitude earthquake has occurred at 20:31:05 / 8:31 pm (local time epicenter). The earthquake occurred at a depth of 102.815 km (64 miles) below the earth’s surface. Event ids that are associated to the earthquake: us6000rdws. Id of event: us6000rdws. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -68.9589 West, latitude -21.3119 South, depth = 102.815 km. Exact time and date of event in UTC/GMT: 30/09/25 / 2025-09-30 20:31:05 / September 30, 2025 @ 8:31 pm.

In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days eleven and in the last 365 days one hundred and twenty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 73 km W of Ollagüe, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -68.9589° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.3119° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 102.815 km Depth of the event in kilometers.
Place 73 km W of Ollagüe, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-30 20:31:05 Time when the event occurred. UTC/GMT
Updated 2025-09-30 21:49:11 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 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.549 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 49 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000rdws Id of event.
Event Code 6000rdws An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rdws, A comma-separated list of event ids that are associated to an event.

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