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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Katori-shi in Japan



Earthquake location 35.8699S, 140.4573WA light earthquake with magnitude 4.4 (ml/mb) was detected on Monday, 4 kilometers (2 miles) from Katori-shi in Japan. Exact location of earthquake, longitude 140.4573 East, latitude 35.8699 North, depth = 87.72 km. Event ids that are associated to the earthquake: us10006mrv. Id of event: us10006mrv. Exact time and date of earthquake 04/09/16 / 2016-09-04 16:42:45 / September 4, 2016 @ 4:42 pm UTC/GMT. The epicenter was at a depth of 87.72 km (55 miles). The 4.4-magnitude earthquake was detected at 01:42:45 / 1:42 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Gyōda, Sayama, Fukiage-fujimi. Earthquake epicenter was 72 km (45 miles) from Tokyo (c. 8 336 600 pop), 87 km (54 miles) from Yokohama (c. 3 574 400 pop), 77 km (48 miles) from Kawasaki (c. 1 306 800 pop), 72 km (45 miles) from Saitama (c. 1 193 400 pop), 74 km (46 miles) from Yono (c. 1 077 700 pop), 42 km (26 miles) from Chiba (c. 919 700 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days nine, in the past 30 days ten and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 4 km SW of Katori-shi, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.4573° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.8699° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 87.72 km Depth of the event in kilometers.
Place 4km SW of Katori-shi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-04 16:42:45 Time when the event occurred. UTC/GMT
Updated 2016-09-27 13:31:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 2 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 0.419 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 155 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 us10006mrv Id of event.
Event Code 10006mrv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006mrv, A comma-separated list of event ids that are associated to an event.

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