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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Ovalle in Chile

Earthquake location -30.765S, -71.4657WA light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, 31 kilometers (19 miles) from Ovalle in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 39.51 km (25 miles). Event id: us20003kiz. Ids that are associated to the earthquake: us20003kiz. Exact location of event, depth 39.51 km, -71.4657° West, -30.765° South. The temblor was reported at 05:00:06 / 5:00 am (local time epicenter). Global time and date of event 17/09/15 / 2015-09-17 08:00:06 / September 17, 2015 @ 8:00 am UTC/GMT.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Coquimbo, Monte Patria, Ovalle. Close country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the event was 91 km (57 miles) from Coquimbo (c. 161 300 pop), 31 km (19 miles) from Ovalle (c. 77 100 pop), 49 km (31 miles) from Monte Patria (c. 13 900 pop).

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

Did you feel it?

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. 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: 31 km SW of Ovalle, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.4657° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.765° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.51 km Depth of the event in kilometers.
Place 31km SW 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 08:00:06 Time when the event occurred. UTC/GMT
Updated 2015-10-04 09:32:42 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 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 0.171 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 59 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 us20003kiz Id of event.
Event Code 20003kiz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003kiz, A comma-separated list of event ids that are associated to an event.

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