Minor earthquake, 3.9 mag strikes near Valparaiso in Chile

A minor earthquake magnitude 3.9 (ml/mb) strikes 48 kilometers (30 miles) from Valparaiso in Chile on Friday. Exact location of earthquake, longitude -72.0987 West, latitude -33.2294 South, depth = 21.99 km. The temblor was picked up at 23:50:34 / 11:50 pm (local time epicenter). Event id: us10008ly3. Ids that are associated to the earthquake: us10008ly3. Global date and time of event UTC/GMT: 29/04/17 / 2017-04-29 04:50:34 / April 29, 2017 @ 4:50 am. The earthquake occurred at a depth of 21.99 km (14 miles) below the earth’s surface.

Country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Quillota, Limache, Villa Alemana. Epicenter of the earthquake was 56 km (35 miles) from Viña del Mar (c. 294 600 pop), 49 km (30 miles) from Valparaíso (c. 282 400 pop), 64 km (40 miles) from Quilpué (c. 130 300 pop), 71 km (44 miles) from Villa Alemana (c. 97 300 pop), 61 km (38 miles) from San Antonio (c. 85 700 pop), 88 km (55 miles) from Quillota (c. 67 800 pop).

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

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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: 48 km WSW of Valparaiso, Chile.

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-72.0987° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-33.2294° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	21.99 km	Depth of the event in kilometers.
Place	48km 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	2017-04-29 04:50:34	Time when the event occurred. UTC/GMT
Updated	2017-04-29 17:22:59	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	0.438	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	193	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mwr	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us10008ly3	Id of event.
Event Code	10008ly3	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10008ly3,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag strikes near Valparaiso in Chile

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