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Light earthquake, 4.5 mag strikes near Valparaiso in Chile

Posted by admin on April 28, 2017 0 Comments

Earthquake location -33.2695S, -72.057WA light earthquake magnitude 4.5 (ml/mb) has struck on Friday, 47 kilometers (29 miles) from Valparaiso in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -72.057 West, latitude -33.2695 South, depth = 23.63 km. The temblor was reported at 10:56:59 / 10:56 am (local time epicenter). Date and time of earthquake in UTC/GMT: 28/04/17 / 2017-04-28 15:56:59 / April 28, 2017 @ 3:56 pm. The epicenter of the earthquake was roughly 23.63 km (15 miles) below the earth’s surface. Event ids that are associated to the earthquake: us10008llu. Id of event: us10008llu.

Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Hacienda La Calera, Melipilla, Quillota (min 5000 pop). Earthquake epicenter was 54 km (34 miles) from Viña del Mar (c. 294 600 pop), 47 km (30 miles) from Valparaíso (c. 282 400 pop), 62 km (39 miles) from Quilpué (c. 130 300 pop), 68 km (43 miles) from Villa Alemana (c. 97 300 pop), 55 km (34 miles) from San Antonio (c. 85 700 pop), 87 km (54 miles) from Quillota (c. 67 800 pop), 91 km (57 miles) from Melipilla (c. 63 100 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been thirteen, in the last 10 days seventy-five, in the past 30 days seventy-five and in the last 365 days one hundred and one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 47 km WSW of Valparaiso, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -72.057° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2695° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.63 km Depth of the event in kilometers.
Place 47km 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 15:56:59 Time when the event occurred. UTC/GMT
Updated 2017-04-28 17:23:04 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 312 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 0.429 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us10008llu Id of event.
Event Code 10008llu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008llu, A comma-separated list of event ids that are associated to an event.

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