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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Ovalle in Chile



Earthquake location -30.847S, -71.949WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Monday, 76 kilometers (47 miles) from Ovalle in Chile. The earthquake occurred at a depth of 32.4 km (20 miles). Exact location of earthquake, longitude -71.949 West, latitude -30.847 South, depth = 32.4 km. Global date and time of event UTC/GMT: 22/09/15 / 2015-09-22 00:56:08 / September 22, 2015 @ 12:56 am. Event id: us20003mp6. Ids that are associated to the earthquake: us20003mp6. The 3.9-magnitude earthquake has occurred at 19:56:08 / 7:56 pm (local time epicenter).

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ovalle. Epicenter of the earthquake was 77 km (48 miles) from Ovalle (c. 77 100 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 76 km WSW of Ovalle, Chile.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -71.949° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.847° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.4 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 2015-09-22 00:56:08 Time when the event occurred. UTC/GMT
Updated 2015-10-11 03:52:22 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 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 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 mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20003mp6 Id of event.
Event Code 20003mp6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003mp6, A comma-separated list of event ids that are associated to an event.

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