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


Earthquake location -30.8239S, -71.5391WA light earthquake with magnitude 4.4 (ml/mb) was reported 40 kilometers (25 miles) from Ovalle in Chile on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 19:59:40 / 7:59 pm (local time epicenter). Exact location of event, depth 44.98 km, -71.5391° West, -30.8239° South. Date and time of earthquake in UTC/GMT: 19/09/15 / 2015-09-19 22:59:40 / September 19, 2015 @ 10:59 pm. Unique identifier: us20003m1b. Ids that are associated to the event: us20003m1b. The epicenter of the earthquake was roughly 44.98 km (28 miles) below the earth’s surface.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Monte Patria, Ovalle. Close country/countries that might be effected, Chile (c. 16 746 000 pop). Event epicenter was 41 km (25 miles) from Ovalle (c. 77 100 pop), 57 km (36 miles) from Monte Patria (c. 13 900 pop).

In the past 24 hours, there have been fifteen, in the last 10 days eighty-five, in the past 30 days eighty-five and in the last 365 days one hundred and three earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 40 km SW of Ovalle, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -71.5391° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.8239° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.98 km Depth of the event in kilometers.
Place 40km 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 2015-09-19 22:59:40 Time when the event occurred. UTC/GMT
Updated 2015-09-19 23:17:27 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 0.17 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us20003m1b Id of event.
Event Code 20003m1b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003m1b, A comma-separated list of event ids that are associated to an event.

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