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Light earthquake, 4.5 mag was detected near Ollagüe in Chile

Posted by admin on September 16, 2025 0 Comments

Earthquake location -21.6528S, -68.4731WA light earthquake with magnitude 4.5 (ml/mb) was detected on Monday, 52 km SSW of Ollagüe, Chile (32 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 15/09/25 / 2025-09-15 23:21:44 / September 15, 2025 @ 11:21 pm. The earthquake was roughly at a depth of 124.752 km (78 miles). Exact location of event, depth 124.752 km, -68.4731° West, -21.6528° South. Unique identifier: us7000qwea. Ids that are associated to the event: us7000qwea. The 4.5-magnitude earthquake was detected at 23:21:44 / 11:21 pm (local time epicenter).

There are an estimated 13,000 light quakes in the world each year. 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 three, in the past 30 days eight and in the last 365 days one hundred and twenty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 52 km SSW of Ollagüe, Chile. This information 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 -68.4731° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.6528° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 124.752 km Depth of the event in kilometers.
Place 52 km SSW 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 2025-09-15 23:21:44 Time when the event occurred. UTC/GMT
Updated 2025-09-16 00:00:05 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 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 30 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.729 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89 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 us7000qwea Id of event.
Event Code 7000qwea An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qwea, A comma-separated list of event ids that are associated to an event.

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