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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Calama in Chile


Earthquake location -21.9237S, -68.6805WA light earthquake with magnitude 4.5 (ml/mb) was reported 64 kilometers (40 miles) from Calama in Chile on Sunday. Exact location of earthquake, -68.6805° West, -21.9237° South, depth 109.384 km. The 4.5-magnitude earthquake has occurred at 20:20:17 / 8:20 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 28/04/24 / 2024-04-28 20:20:17 / April 28, 2024 @ 8:20 pm. The earthquake occurred at a depth of 109.384 km (68 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us6000muql. Event ids that are associated: us6000muql.

Nearest cities/city/towns to hypocenter/epicentrum was Calama (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the earthquake was 65 km (40 miles) from Calama (c. 143 100 pop).

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

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 64 km NNE of Calama, Chile. This data 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 -68.6805° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.9237° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 109.384 km Depth of the event in kilometers.
Place 64 km NNE 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 2024-04-28 20:20:17 Time when the event occurred. UTC/GMT
Updated 2024-05-10 16:36:38 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 50 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.537 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 35 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 us6000muql Id of event.
Event Code 6000muql An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000muql, A comma-separated list of event ids that are associated to an event.

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