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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 23 km NW of Kitaibaraki, Japan

Earthquake location 36.9548S, 140.6045WA light earthquake with magnitude 4.3 (ml/mb) was reported 23 kilometers (14 miles) from Kitaibaraki in Japan on Sunday. Exact location of earthquake, 140.6045° East, 36.9548° North, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us20003gun. Ids that are associated to the earthquake: us20003gun. The 4.3-magnitude earthquake has occurred at 08:53:09 / 8:53 am (local time epicenter). Global date and time of event UTC/GMT: 05/09/15 / 2015-09-05 23:53:09 / September 5, 2015 @ 11:53 pm.

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 77 km (48 miles) from Utsunomiya-shi (c. 449 900 pop), 27 km (17 miles) from Iwaki (c. 357 300 pop), 53 km (33 miles) from Kōriyama (c. 340 600 pop), 89 km (55 miles) from Fukushima-shi (c. 294 200 pop), 70 km (43 miles) from Mito-shi (c. 246 500 pop), 40 km (25 miles) from Hitachi (c. 186 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Shimodate, Ishioka, Nikkō (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days thirteen and in the last 365 days fifty-two 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.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 23 km NW of Kitaibaraki, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.6045° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9548° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 23km NW of Kitaibaraki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-05 23:53:09 Time when the event occurred. UTC/GMT
Updated 2015-10-03 02:33:55 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 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 0.795 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 120 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 us20003gun Id of event.
Event Code 20003gun An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003gun, A comma-separated list of event ids that are associated to an event.

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