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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Valparaiso in Chile


Earthquake location -33.122S, -72.1757WA light earthquake magnitude 4.3 (ml/mb) has struck on Saturday, 52 kilometers (32 miles) from Valparaiso in Chile. Date and time of earthquake in UTC/GMT: 20/09/15 / 2015-09-20 00:59:23 / September 20, 2015 @ 12:59 am. The temblor was detected at 19:59:23 / 7:59 pm (local time epicenter). All ids that are associated to the event: us20003m28. Unique identifier: us20003m28. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -72.1757° West, -33.122° South, depth 18.5 km. The earthquake occurred at a depth of 18.5 km (11 miles).

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Event epicenter was 59 km (37 miles) from Viña del Mar (c. 294 600 pop), 52 km (32 miles) from Valparaíso (c. 282 400 pop), 69 km (43 miles) from Quilpué (c. 130 300 pop), 75 km (47 miles) from Villa Alemana (c. 97 300 pop), 74 km (46 miles) from San Antonio (c. 85 700 pop), 90 km (56 miles) from Quillota (c. 67 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Quillota, Limache, Villa Alemana (min 5000 pop).

In the past 24 hours, there have been six, in the last 10 days fifteen, in the past 30 days sixteen and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel anything?

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. 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: 52 km W of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -72.1757° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.122° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.5 km Depth of the event in kilometers.
Place 52km W of Valparaiso, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-20 00:59:23 Time when the event occurred. UTC/GMT
Updated 2015-09-20 02:50:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 284 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 0.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20003m28 Id of event.
Event Code 20003m28 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003m28, A comma-separated list of event ids that are associated to an event.

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