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Light earthquake: M4.2 quake has struck near Vallenar in Chile


Earthquake location -27.7755S, -71.582WA light earthquake with magnitude 4.2 (ml/mb) was reported 119 km NW of Vallenar, Chile (74 miles) on Thursday. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 09/06/17 / 2017-06-09 03:03:56 / June 9, 2017 @ 3:03 am. The temblor was picked up at 22:03:56 / 10:03 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -71.582 West, latitude -27.7755 South, depth = 10 km. Id of earthquake: us20009lfh. Event ids that are associated: us20009lfh.

Every 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 one, in the last 10 days three, in the past 30 days three and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has struck near.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 119 km NW of Vallenar, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.582° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.7755° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 119km NW of Vallenar, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-09 03:03:56 Time when the event occurred. UTC/GMT
Updated 2017-06-09 03:44:30 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 271 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 0.62 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 174 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 us20009lfh Id of event.
Event Code 20009lfh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009lfh, A comma-separated list of event ids that are associated to an event.

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