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Light World Earthquakes Magnitude 4-4.9

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



Earthquake location -31.0963S, -71.7331WA light earthquake magnitude 4.4 (ml/mb) strikes 75 kilometers (47 miles) from Ovalle in Chile on Thursday. The earthquake occurred at a depth of 39.09 km (24 miles) below the earth’s surface. Event id: us10003j8g. Ids that are associated to the earthquake: us10003j8g. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.4-magnitude earthquake has occurred at 04:31:51 / 4:31 am (local time epicenter). Exact location, longitude -71.7331° West, latitude -31.0963° South, depth = 39.09 km. Exact time and date of event in UTC/GMT: 17/09/15 / 2015-09-17 07:31:51 / September 17, 2015 @ 7:31 am.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Monte Patria, Illapel, Ovalle. The epicenter was 75 km (47 miles) from Ovalle (c. 77 100 pop), 80 km (50 miles) from Illapel (c. 22 800 pop), 86 km (54 miles) from Monte Patria (c. 13 900 pop).

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 75 km SW of Ovalle, Chile. This data 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 -71.7331° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.0963° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.09 km Depth of the event in kilometers.
Place 75km 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 07:31:51 Time when the event occurred. UTC/GMT
Updated 2015-10-03 12:27:02 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 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 0.429 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 191 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 us10003j8g Id of event.
Event Code 10003j8g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j8g, A comma-separated list of event ids that are associated to an event.

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