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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Naka in Japan


Earthquake location 36.053S, 140.1062WA light earthquake magnitude 4.4 (ml/mb) has struck on Thursday, 5 kilometers (3 miles) from Naka in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000h9i1. Ids that are associated to the earthquake: us2000h9i1. The earthquake occurred at a depth of 71.61 km (44 miles). The 4.4-magnitude earthquake was detected at 03:51:10 / 3:51 am (local time epicenter). Exact time and date of earthquake 29/08/18 / 2018-08-29 18:51:10 / August 29, 2018 @ 6:51 pm UTC/GMT. Exact location of event, longitude 140.1062 East, latitude 36.053 North, depth = 71.61 km.

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). The epicenter was 55 km (34 miles) from Tokyo (c. 8 336 600 pop), 79 km (49 miles) from Yokohama (c. 3 574 400 pop), 69 km (43 miles) from Kawasaki (c. 1 306 800 pop), 44 km (27 miles) from Saitama (c. 1 193 400 pop), 47 km (29 miles) from Yono (c. 1 077 700 pop), 50 km (31 miles) from Chiba (c. 919 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Yokosuka, Chichibu, Tamamura (min 5000 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 5 km W of Naka, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.1062° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.053° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.61 km Depth of the event in kilometers.
Place 5km W of Naka, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-29 18:51:10 Time when the event occurred. UTC/GMT
Updated 2018-09-19 14:58:19 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 1.613 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us2000h9i1 Id of event.
Event Code 2000h9i1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000h9i1, A comma-separated list of event ids that are associated to an event.

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