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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Calama in Chile


Earthquake location -21.7273S, -68.7059WA light earthquake magnitude 4.2 (ml/mb) strikes 85 kilometers (53 miles) from Calama in Chile on Tuesday. The 4.2-magnitude earthquake was detected at 10:17:59 / 10:17 am (local time epicenter). The epicenter of the earthquake was roughly 128.09 km (80 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000j8bz. Ids that are associated to the event: us2000j8bz. Exact time and date of event in UTC/GMT: 08/01/19 / 2019-01-08 14:17:59 / January 8, 2019 @ 2:17 pm. Exact location of earthquake, longitude -68.7059 West, latitude -21.7273 South, depth = 128.09 km.

Epicenter of the earthquake was 84 km (52 miles) from Calama (c. 143 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Calama. Country/countries that might be effected, Chile (c. 16 746 000 pop).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days twelve and in the last 365 days eighty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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: 85 km NNE of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -68.7059° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.7273° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 128.09 km Depth of the event in kilometers.
Place 85km 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 2019-01-08 14:17:59 Time when the event occurred. UTC/GMT
Updated 2019-01-28 16:38:43 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 271 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 0.503 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us2000j8bz Id of event.
Event Code 2000j8bz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j8bz, A comma-separated list of event ids that are associated to an event.

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