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Light earthquake, 4.4 mag was detected near Calama in Chile

Posted by admin on July 25, 2025 0 Comments

Earthquake location -22.2277S, -68.5334WA light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, 47 kilometers (29 miles) from Calama in Chile. Exact location, longitude -68.5334° West, latitude -22.2277° South, depth = 114.209 km. Event ids that are associated to the earthquake: us6000quz3. Id of event: us6000quz3. The temblor was picked up at 02:39:46 / 2:39 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 114.209 km (71 miles). Exact time and date of event in UTC/GMT: 25/07/25 / 2025-07-25 02:39:46 / July 25, 2025 @ 2:39 am.

Epicenter of the event was 48 km (30 miles) from Calama (c. 143 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Calama (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days nine and in the last 365 days one hundred and ten earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

Did you feel it?

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. 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: 47 km ENE of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -68.5334° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.2277° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 114.209 km Depth of the event in kilometers.
Place 47 km ENE of Calama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-25 02:39:46 Time when the event occurred. UTC/GMT
Updated 2025-07-25 21:41:31 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 298 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.785 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 93 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 us6000quz3 Id of event.
Event Code 6000quz3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000quz3, A comma-separated list of event ids that are associated to an event.

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