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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Shikotan in Russia


Earthquake location 43.7678S, 147.2145WA light earthquake with magnitude 4.9 (ml/mb) was reported 39 km E of Shikotan, Russia (24 miles) on Monday. The 4.9-magnitude earthquake was detected at 10:11:39 / 10:11 am (local time epicenter). All ids that are associated to the event: us20005bcq. Unique identifier: us20005bcq. The earthquake was roughly at a depth of 50.52 km (31 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 147.2145 East, latitude 43.7678 North, depth = 50.52 km. Exact time and date of event in UTC/GMT: 21/03/16 / 2016-03-21 00:11:39 / March 21, 2016 @ 12:11 am.

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, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 39 km E of Shikotan, Russia.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 147.2145° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 43.7678° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50.52 km Depth of the event in kilometers.
Place 39km E of Shikotan, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-21 00:11:39 Time when the event occurred. UTC/GMT
Updated 2016-04-02 05:46:32 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 369 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 3.356 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 86 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 us20005bcq Id of event.
Event Code 20005bcq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005bcq, A comma-separated list of event ids that are associated to an event.

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