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Light earthquake, 4.4 mag was detected near Valparaiso in Chile

Posted by admin on September 25, 2015 0 Comments

Earthquake location -32.408S, -72.4556WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 104 km NW of Valparaiso, Chile (65 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location of earthquake, -72.4556° West, -32.408° South, depth 10 km. The temblor was reported at 10:06:46 / 10:06 am (local time epicenter). 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: 23/09/15 / 2015-09-23 15:06:46 / September 23, 2015 @ 3:06 pm. Event ids that are associated to the earthquake: us20003nc2. Id of event: us20003nc2.

In the past 24 hours, there have been eleven, in the last 10 days eighty-six, in the past 30 days eighty-six and in the last 365 days ninety-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 104 km NW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -72.4556° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.408° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 104km 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 2015-09-23 15:06:46 Time when the event occurred. UTC/GMT
Updated 2015-09-25 00:10:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 298 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 0.922 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 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 us20003nc2 Id of event.
Event Code 20003nc2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003nc2, A comma-separated list of event ids that are associated to an event.

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