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Light earthquake, 4.7 mag strikes near Valparaiso in Chile

Posted by admin on April 28, 2017 0 Comments

Earthquake location -33.2149S, -72.1957WA light earthquake with magnitude 4.7 (ml/mb) was detected on Friday, 56 kilometers (35 miles) from Valparaiso in Chile. Exact location of earthquake, longitude -72.1957 West, latitude -33.2149 South, depth = 10 km. Event ids that are associated to the earthquake: us10008lm7. Id of event: us10008lm7. The 4.7-magnitude earthquake was detected at 11:18:42 / 11:18 am (local time epicenter). Date and time of earthquake in UTC/GMT: 28/04/17 / 2017-04-28 16:18:42 / April 28, 2017 @ 4:18 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Quillota, Limache, Villa Alemana (min 5000 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 64 km (40 miles) from Viña del Mar (c. 294 600 pop), 56 km (35 miles) from Valparaíso (c. 282 400 pop), 73 km (45 miles) from Quilpué (c. 130 300 pop), 79 km (49 miles) from Villa Alemana (c. 97 300 pop), 69 km (43 miles) from San Antonio (c. 85 700 pop), 96 km (59 miles) from Quillota (c. 67 800 pop), 89 km (55 miles) from Limache (c. 35 900 pop).

In the past 24 hours, there have been ten, in the last 10 days seventy-two, in the past 30 days seventy-two and in the last 365 days ninety-eight earthquakes of magnitude 3.0 or greater that have been detected 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?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 56 km WSW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -72.1957° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2149° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 56km 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 16:18:42 Time when the event occurred. UTC/GMT
Updated 2017-04-28 16:38:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 3.1 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 0.506 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us10008lm7 Id of event.
Event Code 10008lm7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008lm7, A comma-separated list of event ids that are associated to an event.

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