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Light earthquake: M4.2 quake has struck near Valparaiso in Chile


Earthquake location -33.1791S, -71.8611WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 26 kilometers (16 miles) from Valparaiso in Chile. The temblor was picked up at 15:50:28 / 3:50 pm (local time epicenter). Event ids that are associated to the earthquake: us20005b20. Id of event: us20005b20. Global time and date of event 19/03/16 / 2016-03-19 18:50:28 / March 19, 2016 @ 6:50 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 27.52 km, -71.8611° West, -33.1791° South. The earthquake occurred at a depth of 27.52 km (17 miles).

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Llaillay, Lampa, Melipilla (min 5000 pop). Epicenter of the earthquake was 34 km (21 miles) from Viña del Mar (c. 294 600 pop), 27 km (17 miles) from Valparaíso (c. 282 400 pop), 42 km (26 miles) from Quilpué (c. 130 300 pop), 48 km (30 miles) from Villa Alemana (c. 97 300 pop), 52 km (32 miles) from San Antonio (c. 85 700 pop), 66 km (41 miles) from Quillota (c. 67 800 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days sixty 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. There are an estimated 13,000 light earthquakes in the world each year.

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. 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: 26 km SW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.8611° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.1791° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.52 km Depth of the event in kilometers.
Place 26km SW 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 2016-03-19 18:50:28 Time when the event occurred. UTC/GMT
Updated 2016-03-19 20:53:00 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 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 0.244 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 168 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 us20005b20 Id of event.
Event Code 20005b20 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005b20, A comma-separated list of event ids that are associated to an event.

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