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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near San Pedro de Atacama in Chile

Posted by admin on April 13, 2025 0 Comments

Earthquake location -22.2556S, -67.665WA light earthquake magnitude 4.4 (ml/mb) strikes 91 km NE of San Pedro de Atacama, Chile (57 miles) on Saturday. Exact location, longitude -67.665° West, latitude -22.2556° South, depth = 194.304 km. Global time and date of event 29/03/25 / 2025-03-29 20:37:56 / March 29, 2025 @ 8:37 pm UTC/GMT. The epicenter was at a depth of 194.304 km (121 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000pnpt. Ids that are associated to the event: us7000pnpt. The 4.4-magnitude earthquake was detected at 20:37:56 / 8:37 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days ten and in the last 365 days seventy-four earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 91 km NE of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -67.665° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.2556° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 194.304 km Depth of the event in kilometers.
Place 91 km NE of San Pedro de Atacama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-03-29 20:37:56 Time when the event occurred. UTC/GMT
Updated 2025-04-13 01:33:22 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.84 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 72 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 us7000pnpt Id of event.
Event Code 7000pnpt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pnpt, A comma-separated list of event ids that are associated to an event.

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