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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Vilyuchinsk in Russia

Earthquake location 51.8114S, 159.1052WA light earthquake with magnitude 4.3 (ml/mb) was reported 133 km SSE of Vilyuchinsk, Russia (83 miles) on Saturday. Id of earthquake: us2000a3n1. Event ids that are associated: us2000a3n1. Exact location of event, depth 34.87 km, 159.1052° East, 51.8114° North. Exact time and date of event in UTC/GMT: 28/07/17 / 2017-07-28 19:57:09 / July 28, 2017 @ 7:57 pm. The earthquake occurred at a depth of 34.87 km (22 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 06:57:09 / 6:57 am (local time epicenter).

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

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 133 km SSE of Vilyuchinsk, Russia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 159.1052° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8114° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.87 km Depth of the event in kilometers.
Place 133km SSE of Vilyuchinsk, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-28 19:57:09 Time when the event occurred. UTC/GMT
Updated 2017-08-26 20:45:39 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 284 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 1.245 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154 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 us2000a3n1 Id of event.
Event Code 2000a3n1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a3n1, A comma-separated list of event ids that are associated to an event.

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