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Light earthquake, 4.4 mag has occurred near Valparaiso in Chile

Posted by admin on April 28, 2017 0 Comments

Earthquake location -33.2194S, -71.9464WA light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, 35 kilometers (22 miles) from Valparaiso in Chile. The temblor was reported at 11:44:32 / 11:44 am (local time epicenter). Unique identifier: us10008llx. Ids that are associated to the event: us10008llx. The earthquake occurred at a depth of 20.93 km (13 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 28/04/17 / 2017-04-28 15:44:32 / April 28, 2017 @ 3:44 pm. Exact location of earthquake, longitude -71.9464 West, latitude -33.2194 South, depth = 20.93 km.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Melipilla, Hacienda La Calera, Quillota (min 5000 pop). Epicenter of the event was 43 km (27 miles) from Viña del Mar (c. 294 600 pop), 36 km (22 miles) from Valparaíso (c. 282 400 pop), 51 km (31 miles) from Quilpué (c. 130 300 pop), 57 km (35 miles) from Villa Alemana (c. 97 300 pop), 52 km (32 miles) from San Antonio (c. 85 700 pop), 75 km (47 miles) from Quillota (c. 67 800 pop).

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seven, in the last 10 days sixty-nine, in the past 30 days sixty-nine and in the last 365 days ninety-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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: 35 km SW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.9464° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2194° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.93 km Depth of the event in kilometers.
Place 35km 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 2017-04-28 15:44:32 Time when the event occurred. UTC/GMT
Updated 2017-04-28 16:15:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 298 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 0.325 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 225 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 not reported Type of seismic event.
Event ID us10008llx Id of event.
Event Code 10008llx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008llx, A comma-separated list of event ids that are associated to an event.

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