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Light earthquake, 4.1 mag strikes near Calama in Chile

Posted by admin on September 1, 2025 0 Comments

Earthquake location -22.3777S, -68.85WA light earthquake with magnitude 4.1 (ml/mb) was reported 11 kilometers (7 miles) from Calama in Chile on Monday. Global date and time of event UTC/GMT: 01/09/25 / 2025-09-01 03:18:12 / September 1, 2025 @ 3:18 am. The temblor was picked up at 03:18:12 / 3:18 am (local time epicenter). The earthquake occurred at a depth of 123.734 km (77 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: us7000qsy1. Unique identifier: us7000qsy1. Exact location, longitude -68.85° West, latitude -22.3777° South, depth = 123.734 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Calama. Event epicenter was 12 km (7 miles) from Calama (c. 143 100 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days eight and in the last 365 days ninety-four earthquakes of magnitude 3.0 or greater that has struck near. 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.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 11 km NE of Calama, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.85° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.3777° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 123.734 km Depth of the event in kilometers.
Place 11 km NE 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 2025-09-01 03:18:12 Time when the event occurred. UTC/GMT
Updated 2025-09-01 04:19:29 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 259 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.683 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 57 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 us7000qsy1 Id of event.
Event Code 7000qsy1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qsy1, A comma-separated list of event ids that are associated to an event.

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