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Light earthquake: M4 quake has struck near Ollagüe in Chile

Posted by admin on December 25, 2025 0 Comments

Earthquake location -21.5415S, -68.5951WA light earthquake with magnitude 4 (ml/mb) was reported 49 km SW of Ollagüe, Chile (30 miles) on Thursday. The epicenter was at a depth of 147.012 km (91 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us7000rkst. Unique identifier: us7000rkst. The temblor was detected at 21:26:53 / 9:26 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 25/12/25 / 2025-12-25 21:26:53 / December 25, 2025 @ 9:26 pm. Exact location of earthquake, longitude -68.5951 West, latitude -21.5415 South, depth = 147.012 km.

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 five, in the past 30 days fourteen and in the last 365 days one hundred and twenty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 49 km SW of Ollagüe, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -68.5951° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.5415° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 147.012 km Depth of the event in kilometers.
Place 49 km SW 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 2025-12-25 21:26:53 Time when the event occurred. UTC/GMT
Updated 2025-12-25 22:22:59 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 246 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.653 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 106 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 us7000rkst Id of event.
Event Code 7000rkst An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000rkst, A comma-separated list of event ids that are associated to an event.

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