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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag has occurred near La Ligua in Chile

Posted by admin on September 22, 2015 0 Comments

Earthquake location -32.3763S, -72.056WA minor earthquake magnitude 3.7 (ml/mb) has struck on Saturday, 78 kilometers (48 miles) from La Ligua in Chile. Global time and date of event 19/09/15 / 2015-09-19 17:44:49 / September 19, 2015 @ 5:44 pm UTC/GMT. All ids that are associated to the event: us20003mww. Unique identifier: us20003mww. The temblor was reported at 12:44:49 / 12:44 pm (local time epicenter). Exact location, longitude -72.056° West, latitude -32.3763° South, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles).

Epicenter of the earthquake was 86 km (54 miles) from Viña del Mar (c. 294 600 pop), 84 km (52 miles) from Valparaíso (c. 282 400 pop), 78 km (48 miles) from La Ligua (c. 24 900 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Viña del Mar, Valparaíso, La Ligua (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourty-two, in the last 10 days ninety-one, in the past 30 days ninety-one and in the last 365 days one hundred and six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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: 78 km W of La Ligua, Chile.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -72.056° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.3763° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 78km W of La Ligua, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-19 17:44:49 Time when the event occurred. UTC/GMT
Updated 2015-09-22 16:27:36 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 211 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 0.735 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us20003mww Id of event.
Event Code 20003mww An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003mww, A comma-separated list of event ids that are associated to an event.

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