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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 3 km NNW of Yotsukaido, Japan

Earthquake location 35.6826S, 140.158WA light earthquake magnitude 4.6 (ml/mb) strikes 3 kilometers (2 miles) from Yotsukaido in Japan on Thursday. Event ids that are associated to the earthquake: us60006981. Id of event: us60006981. The epicenter was at a depth of 64.95 km (40 miles). Exact location of event, longitude 140.158 East, latitude 35.6826 North, depth = 64.95 km. Global date and time of event UTC/GMT: 31/10/19 / 2019-10-31 02:06:33 / October 31, 2019 @ 2:06 am. The 4.6-magnitude earthquake was detected at 11:06:33 / 11:06 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Fukayachō, Ashikaga, Funaishikawa. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 42 km (26 miles) from Tokyo (c. 8 336 600 pop), 53 km (33 miles) from Yokohama (c. 3 574 400 pop), 44 km (27 miles) from Kawasaki (c. 1 306 800 pop), 52 km (32 miles) from Saitama (c. 1 193 400 pop), 52 km (33 miles) from Yono (c. 1 077 700 pop), 9 km (6 miles) from Chiba (c. 919 700 pop), 75 km (47 miles) from Hachiōji (c. 579 400 pop).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 3 km NNW of Yotsukaido, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 140.158° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.6826° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.95 km Depth of the event in kilometers.
Place 3km NNW of Yotsukaido, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-10-31 02:06:33 Time when the event occurred. UTC/GMT
Updated 2019-11-26 02:30:16 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.4 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 326 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 1.801 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 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 us60006981 Id of event.
Event Code 60006981 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60006981, A comma-separated list of event ids that are associated to an event.

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