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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag strikes near Valparaiso in Chile


Earthquake location -32.3537S, -72.2647WA light earthquake magnitude 4.7 (ml/mb) has occurred on Monday, 96 kilometers (60 miles) from Valparaiso in Chile. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. All ids that are associated to the event: us20003mcn. Unique identifier: us20003mcn. Date and time of earthquake in UTC/GMT: 21/09/15 / 2015-09-21 05:50:55 / September 21, 2015 @ 5:50 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -72.2647 West, latitude -32.3537 South, depth = 10 km. The 4.7-magnitude earthquake was detected at 00:50:55 / 12:50 am (local time epicenter).

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was La Ligua, Valparaíso (min 5000 pop). The epicenter was 97 km (60 miles) from Valparaíso (c. 282 400 pop), 98 km (61 miles) from La Ligua (c. 24 900 pop).

In the past 24 hours, there have been nine, in the last 10 days seventy-two, in the past 30 days seventy-two and in the last 365 days eighty-six earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Did you feel the quake?

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: 96 km NW of Valparaiso, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -72.2647° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.3537° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 96km NW 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 2015-09-21 05:50:55 Time when the event occurred. UTC/GMT
Updated 2015-09-21 06:42:18 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 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 0.851 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 us20003mcn Id of event.
Event Code 20003mcn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003mcn, A comma-separated list of event ids that are associated to an event.

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