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Light earthquake: M4.7 quake has struck near Vallenar in Chile


Earthquake location -28.2715S, -70.7361WA light earthquake magnitude 4.7 (ml/mb) has occurred on Sunday, 33 kilometers (21 miles) from Vallenar in Chile. The earthquake occurred at a depth of 92.87 km (58 miles) below the earth’s surface. Exact location of earthquake, -70.7361° West, -28.2715° South, depth 92.87 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 02/09/18 / 2018-09-02 18:12:11 / September 2, 2018 @ 6:12 pm. The temblor was detected at 14:12:11 / 2:12 pm (local time epicenter). All ids that are associated to the event: us2000h6wm. Unique identifier: us2000h6wm.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the earthquake was 34 km (21 miles) from Vallenar (c. 44 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Vallenar (min 5000 pop).

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 thirty earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 33 km N of Vallenar, Chile.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -70.7361° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.2715° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 92.87 km Depth of the event in kilometers.
Place 33km N of Vallenar, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-02 18:12:11 Time when the event occurred. UTC/GMT
Updated 2018-09-02 19:59:41 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 340 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 0.305 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 52 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 us2000h6wm Id of event.
Event Code 2000h6wm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000h6wm, A comma-separated list of event ids that are associated to an event.

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