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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 5 km SSE of Iwai, Japan

Earthquake location 36.0062S, 139.9254WA light earthquake magnitude 4.6 (ml/mb) has struck on Sunday, 5 kilometers (3 miles) from Iwai in Japan. Unique identifier: us60006ap7. Ids that are associated to the event: us60006ap7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 139.9254 East, latitude 36.0062 North, depth = 49.71 km. Exact time and date of event in UTC/GMT: 03/11/19 / 2019-11-03 14:55:45 / November 3, 2019 @ 2:55 pm. The 4.6-magnitude earthquake was detected at 23:55:45 / 11:55 pm (local time epicenter). The earthquake was roughly at a depth of 49.71 km (31 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ōiso, Ōtawara, Tomioka. Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 41 km (25 miles) from Tokyo (c. 8 336 600 pop), 67 km (42 miles) from Yokohama (c. 3 574 400 pop), 57 km (36 miles) from Kawasaki (c. 1 306 800 pop), 27 km (16 miles) from Saitama (c. 1 193 400 pop), 30 km (18 miles) from Yono (c. 1 077 700 pop), 48 km (30 miles) from Chiba (c. 919 700 pop), 67 km (41 miles) from Hachiōji (c. 579 400 pop).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days seven and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light earthquakes in the world. 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. 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: 5 km SSE of Iwai, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 139.9254° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.0062° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.71 km Depth of the event in kilometers.
Place 5km SSE of Iwai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-11-03 14:55:45 Time when the event occurred. UTC/GMT
Updated 2019-11-13 14:17:29 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 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 1.458 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 69 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 us60006ap7 Id of event.
Event Code 60006ap7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60006ap7, A comma-separated list of event ids that are associated to an event.

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