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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Valparaiso in Chile



Earthquake location -33.2221S, -71.9565WA minor earthquake magnitude 3.9 (ml/mb) strikes 36 kilometers (22 miles) from Valparaiso in Chile on Friday. Exact location of event, depth 20 km, -71.9565° West, -33.2221° South. Exact time and date of event in UTC/GMT: 28/04/17 / 2017-04-28 21:01:21 / April 28, 2017 @ 9:01 pm. Unique identifier: us10008lsn. Ids that are associated to the event: us10008lsn. The temblor was detected at 16:01:21 / 4:01 pm (local time epicenter). The earthquake was roughly at a depth of 20 km (12 miles).

Event epicenter was 44 km (27 miles) from Viña del Mar (c. 294 600 pop), 37 km (23 miles) from Valparaíso (c. 282 400 pop), 52 km (32 miles) from Quilpué (c. 130 300 pop), 58 km (36 miles) from Villa Alemana (c. 97 300 pop), 53 km (33 miles) from San Antonio (c. 85 700 pop), 76 km (47 miles) from Quillota (c. 67 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Melipilla, Hacienda La Calera, Quillota. Close country/countries, Chile (c. 16 746 000 pop) (That might be effected).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been twenty-two, in the last 10 days eighty-four, in the past 30 days eighty-four and in the last 365 days one hundred and ten earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 36 km WSW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -71.9565° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2221° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 36km WSW 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 2017-04-28 21:01:21 Time when the event occurred. UTC/GMT
Updated 2017-04-28 21:31:42 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 234 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 0.333 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 171 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008lsn Id of event.
Event Code 10008lsn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008lsn, A comma-separated list of event ids that are associated to an event.

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