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Light earthquake, 4.1 mag has occurred near Tocopilla in Chile

Posted by admin on March 22, 2018 0 Comments

Earthquake location -21.3033S, -69.9392WA light earthquake magnitude 4.1 (ml/mb) strikes 91 kilometers (57 miles) from Tocopilla in Chile on Thursday. The earthquake occurred at a depth of 51.84 km (32 miles). All ids that are associated to the event: us1000d7fg. Unique identifier: us1000d7fg. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 04:44:02 / 4:44 am (local time epicenter). Exact location of event, depth 51.84 km, -69.9392° West, -21.3033° South. Exact time and date of earthquake 22/03/18 / 2018-03-22 08:44:02 / March 22, 2018 @ 8:44 am UTC/GMT.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the earthquake was 92 km (57 miles) from Tocopilla (c. 24 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tocopilla.

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

How would you describe the shaking?

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: 91 km NNE of Tocopilla, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -69.9392° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.3033° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 51.84 km Depth of the event in kilometers.
Place 91km NNE of Tocopilla, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-22 08:44:02 Time when the event occurred. UTC/GMT
Updated 2018-03-22 09:03:32 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 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.043 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us1000d7fg Id of event.
Event Code 1000d7fg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000d7fg, A comma-separated list of event ids that are associated to an event.

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