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

Posted by admin on July 20, 2017 0 Comments

Earthquake location -22.0098S, -70.7428WA light earthquake magnitude 4.4 (ml/mb) has struck on Thursday, 56 kilometers (35 miles) from Tocopilla in Chile. Id of earthquake: us20009ycu. Event ids that are associated: us20009ycu. Exact location of event, longitude -70.7428 West, latitude -22.0098 South, depth = 14.29 km. The temblor was reported at 02:20:43 / 2:20 am (local time epicenter). Global date and time of event UTC/GMT: 20/07/17 / 2017-07-20 07:20:43 / July 20, 2017 @ 7:20 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 14.29 km (9 miles) below the earth’s surface.

Epicenter of the event was 57 km (35 miles) from Tocopilla (c. 24 500 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter 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 ten earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 56 km W of Tocopilla, Chile. This information 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 -70.7428° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.0098° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.29 km Depth of the event in kilometers.
Place 56km W 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 2017-07-20 07:20:43 Time when the event occurred. UTC/GMT
Updated 2017-07-20 07:44:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 0.637 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us20009ycu Id of event.
Event Code 20009ycu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009ycu, A comma-separated list of event ids that are associated to an event.

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