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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Petropavlovka in Russia

Earthquake location 50.535S, 105.2311WA light earthquake with magnitude 4.4 (ml/mb) was reported 10 kilometers (6 miles) from Petropavlovka in Russia on Thursday. Event id: us1000atsv. Ids that are associated to the earthquake: us1000atsv. The earthquake was roughly at a depth of 10 km (6 miles). The 4.4-magnitude earthquake was detected at 01:46:02 / 1:46 am (local time epicenter). Exact location of earthquake, longitude 105.2311 East, latitude 50.535 North, depth = 10 km. Exact time and date of event in UTC/GMT: 18/10/17 / 2017-10-18 17:46:02 / October 18, 2017 @ 5:46 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

The epicenter was 77 km (48 miles) from Sühbaatar (c. 24 200 pop), 89 km (55 miles) from Kyakhta (c. 18 400 pop), 11 km (7 miles) from Petropavlovka (c. 7 600 pop). Close country/countries that might be effected, Mongolia (c. 3 087 000 pop), Russia (c. 140 702 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Kyakhta, Sühbaatar, Petropavlovka.

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

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 10 km SW of Petropavlovka, Russia.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 105.2311° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.535° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 10km SW of Petropavlovka, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-18 17:46:02 Time when the event occurred. UTC/GMT
Updated 2017-11-15 13:53:37 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 2.808 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 55 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 us1000atsv Id of event.
Event Code 1000atsv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000atsv, A comma-separated list of event ids that are associated to an event.

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