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Light earthquake: M4 quake has struck near Melipilla in Chile

Posted by admin on July 8, 2018 0 Comments

Earthquake location -33.7077S, -71.2932WA light earthquake magnitude 4 (ml/mb) strikes 7 kilometers (4 miles) from Melipilla in Chile on Sunday. The epicenter of the earthquake was roughly 50.22 km (31 miles) below the earth’s surface. Exact location of earthquake, longitude -71.2932 West, latitude -33.7077 South, depth = 50.22 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000fzux. Ids that are associated to the event: us2000fzux. Global date and time of event UTC/GMT: 08/07/18 / 2018-07-08 15:29:38 / July 8, 2018 @ 3:29 pm. The 4-magnitude earthquake has occurred at 11:29:38 / 11:29 am (local time epicenter).

Epicenter of the event was 66 km (41 miles) from Santiago (c. 4 837 300 pop), 67 km (42 miles) from Puente Alto (c. 510 400 pop), 80 km (50 miles) from Viña del Mar (c. 294 600 pop), 81 km (50 miles) from Valparaíso (c. 282 400 pop), 56 km (35 miles) from San Bernardo (c. 249 900 pop), 72 km (45 miles) from Rancagua (c. 212 700 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Rengo, San Vicente, Valparaíso (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty-six earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 7 km W of Melipilla, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -71.2932° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.7077° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 50.22 km Depth of the event in kilometers.
Place 7km W of Melipilla, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-08 15:29:38 Time when the event occurred. UTC/GMT
Updated 2018-07-08 16:06:54 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 246 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 0.16 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 us2000fzux Id of event.
Event Code 2000fzux An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000fzux, A comma-separated list of event ids that are associated to an event.

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