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Light earthquake: M4.4 quake has struck near Calama in Chile


Earthquake location -21.1663S, -69.0165WA light earthquake magnitude 4.4 (ml/mb) has occurred on Friday, 144 km N of Calama, Chile (89 miles). The earthquake was roughly at a depth of 98.09 km (61 miles). Exact location of event, depth 98.09 km, -69.0165° West, -21.1663° South. Event id: us70005m9d. Ids that are associated to the earthquake: us70005m9d. The temblor was reported at 03:29:35 / 3:29 am (local time epicenter). Global date and time of event UTC/GMT: 27/09/19 / 2019-09-27 07:29:35 / September 27, 2019 @ 7:29 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seven and in the last 365 days eighty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 144 km N of Calama, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -69.0165° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.1663° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 98.09 km Depth of the event in kilometers.
Place 144km N 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 2019-09-27 07:29:35 Time when the event occurred. UTC/GMT
Updated 2019-09-27 08:01:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.456 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 49 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 us70005m9d Id of event.
Event Code 70005m9d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005m9d, A comma-separated list of event ids that are associated to an event.

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