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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Shizunai in Japan


Earthquake location 41.9088S, 142.4276WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 47 kilometers (29 miles) from Shizunai in Japan. The temblor was picked up at 12:50:09 / 12:50 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 17/02/18 / 2018-02-17 03:50:09 / February 17, 2018 @ 3:50 am. Unique identifier: us2000d8c6. Ids that are associated to the event: us2000d8c6. Exact location of event, depth 62.77 km, 142.4276° East, 41.9088° North. The epicenter of the earthquake was roughly 62.77 km (39 miles) below the earth’s surface.

Epicenter of the event was 48 km (30 miles) from Shizunai-furukawachō (c. 22 400 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Shizunai-furukawachō.

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 47 km S of Shizunai, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 142.4276° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.9088° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62.77 km Depth of the event in kilometers.
Place 47km S of Shizunai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-17 03:50:09 Time when the event occurred. UTC/GMT
Updated 2018-03-08 01:42:32 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 0.554 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us2000d8c6 Id of event.
Event Code 2000d8c6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d8c6, A comma-separated list of event ids that are associated to an event.

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