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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Ovalle in Chile

Earthquake location -30.7462S, -71.9807WA light earthquake magnitude 4.4 (ml/mb) strikes 76 kilometers (47 miles) from Ovalle in Chile on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 19.33 km (12 miles). Exact location of earthquake, longitude -71.9807 West, latitude -30.7462 South, depth = 19.33 km. Event id: us10003j8n. Ids that are associated to the earthquake: us10003j8n. The temblor was reported at 02:50:26 / 2:50 am (local time epicenter). Global date and time of event UTC/GMT: 17/09/15 / 2015-09-17 07:50:26 / September 17, 2015 @ 7:50 am.

Nearest cities/city/villages to epicentrum/hypocenter was Ovalle (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop). The epicenter was 76 km (48 miles) from Ovalle (c. 77 100 pop).

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

Questions or comments?

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: 76 km WSW of Ovalle, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.9807° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.7462° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.33 km Depth of the event in kilometers.
Place 76km WSW 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 2015-09-17 07:50:26 Time when the event occurred. UTC/GMT
Updated 2015-10-04 06:01:38 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 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 0.306 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 162 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 us10003j8n Id of event.
Event Code 10003j8n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j8n, A comma-separated list of event ids that are associated to an event.

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