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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 12 km NW of San Carlos, Chile

Earthquake location -36.3419S, -72.0466WA light earthquake magnitude 4.2 (ml/mb) has occurred on Tuesday, 12 kilometers (7 miles) from San Carlos in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 04/04/17 / 2017-04-04 08:53:30 / April 4, 2017 @ 8:53 am UTC/GMT. Unique identifier: us10008e8j. Ids that are associated to the event: us10008e8j. The earthquake was roughly at a depth of 83.74 km (52 miles). Exact location of event, depth 83.74 km, -72.0466° West, -36.3419° South. The temblor was picked up at 04:53:30 / 4:53 am (local time epicenter).

The epicenter was 30 km (19 miles) from Chillán (c. 150 400 pop), 69 km (43 miles) from Linares (c. 69 500 pop), 87 km (54 miles) from Tomé (c. 46 700 pop), 12 km (8 miles) from San Carlos (c. 31 500 pop), 48 km (30 miles) from Cauquenes (c. 31 400 pop), 30 km (18 miles) from Parral (c. 26 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Javier, Tomé, Cabrero. Country/countries that might be effected, Chile (c. 16 746 000 pop).

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. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days eight earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 12 km NW of San Carlos, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -72.0466° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -36.3419° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 83.74 km Depth of the event in kilometers.
Place 12km NW of San Carlos, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-04 08:53:30 Time when the event occurred. UTC/GMT
Updated 2017-04-14 07:12:36 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 271 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 0.77 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 118 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008e8j Id of event.
Event Code 10008e8j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008e8j, A comma-separated list of event ids that are associated to an event.

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