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Light earthquake: M4.9 quake has struck near Santa Cruz in Chile

Posted by admin on February 23, 2018 0 Comments

Earthquake location -34.4856S, -72.2361WA light earthquake with magnitude 4.9 (ml/mb) was detected on Friday, 81 kilometers (50 miles) from Santa Cruz in Chile. The earthquake occurred at a depth of 21.72 km (13 miles). Global time and date of event 23/02/18 / 2018-02-23 18:49:21 / February 23, 2018 @ 6:49 pm UTC/GMT. Event id: us2000d71v. Ids that are associated to the earthquake: us2000d71v. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 14:49:21 / 2:49 pm (local time epicenter). Exact location of earthquake, -72.2361° West, -34.4856° South, depth 21.72 km.

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Rauco, Constitución, Santa Cruz (min 5000 pop). Epicenter of the earthquake was 96 km (59 miles) from Constitución (c. 37 900 pop), 81 km (51 miles) from Santa Cruz (c. 33 300 pop), 97 km (60 miles) from Rauco (c. 8 600 pop).

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

Did you feel it?

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: 81 km WNW of Santa Cruz, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -72.2361° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -34.4856° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.72 km Depth of the event in kilometers.
Place 81km WNW of Santa Cruz, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-23 18:49:21 Time when the event occurred. UTC/GMT
Updated 2018-02-23 19:54:15 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 369 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 0.58 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 78 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 us2000d71v Id of event.
Event Code 2000d71v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d71v, A comma-separated list of event ids that are associated to an event.

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