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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Copiapo in Chile


Earthquake location -27.4686S, -70.0876WA light earthquake with magnitude 4.5 (ml/mb) was reported 26 kilometers (16 miles) from Copiapo in Chile on Sunday. Exact location of event, longitude -70.0876 West, latitude -27.4686 South, depth = 82.48 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 08:46:16 / 8:46 am (local time epicenter). The earthquake occurred at a depth of 82.48 km (51 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 23/12/18 / 2018-12-23 12:46:16 / December 23, 2018 @ 12:46 pm. Event ids that are associated to the earthquake: us2000iwnz. Id of event: us2000iwnz.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Copiapó (min 5000 pop). Epicenter of the event was 27 km (17 miles) from Copiapó (c. 129 300 pop).

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. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days five and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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: 26 km ESE of Copiapo, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -70.0876° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.4686° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 82.48 km Depth of the event in kilometers.
Place 26km ESE of Copiapo, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-23 12:46:16 Time when the event occurred. UTC/GMT
Updated 2019-01-13 10:29:22 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 312 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 0.18 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us2000iwnz Id of event.
Event Code 2000iwnz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000iwnz, A comma-separated list of event ids that are associated to an event.

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