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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Ovalle in Chile


Earthquake location -30.632S, -71.606WA light earthquake magnitude 4 (ml/mb) strikes 39 kilometers (24 miles) from Ovalle in Chile on Sunday. The earthquake was roughly at a depth of 32.1 km (20 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 13/12/15 / 2015-12-13 12:08:29 / December 13, 2015 @ 12:08 pm UTC/GMT. All ids that are associated to the event: us20004gvz. Unique identifier: us20004gvz. Exact location of event, longitude -71.606 West, latitude -30.632 South, depth = 32.1 km. The 4-magnitude earthquake was detected at 09:08:29 / 9:08 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was La Serena, Coquimbo, Monte Patria (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop). Event epicenter was 80 km (50 miles) from Coquimbo (c. 161 300 pop), 88 km (55 miles) from La Serena (c. 154 500 pop), 39 km (24 miles) from Ovalle (c. 77 100 pop), 62 km (39 miles) from Monte Patria (c. 13 900 pop).

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

Did you feel the quake?

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: 39 km W of Ovalle, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -71.606° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.632° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.1 km Depth of the event in kilometers.
Place 39km W of Ovalle, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-13 12:08:29 Time when the event occurred. UTC/GMT
Updated 2015-12-27 14:20:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us20004gvz Id of event.
Event Code 20004gvz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004gvz, A comma-separated list of event ids that are associated to an event.

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