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Light earthquake 4.5 mag, 3 km SSW of Inba, Japan

Posted by admin on March 30, 2025 0 Comments

A light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 3 kilometers (2 miles) from Inba in Japan. Exact time and date of earthquake 29/03/25 / 2025-03-29 23:47:38 / March 29, 2025 @ 11:47 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 140.1875 East, latitude 35.7463 North, depth = 65.026 km. Event id: us7000pnqq. Ids that are associated to the earthquake: us7000pnqq. The 4.5-magnitude earthquake has occurred at 23:47:38 / 11:47 pm (local time epicenter). The epicenter was at a depth of 65.026 km (40 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Ōta, Fukayachō, Utsunomiya-shi (min 5000 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Epicenter of the earthquake was 45 km (28 miles) from Tokyo (c. 8 336 600 pop), 59 km (37 miles) from Yokohama (c. 3 574 400 pop), 49 km (31 miles) from Kawasaki (c. 1 306 800 pop), 51 km (32 miles) from Saitama (c. 1 193 400 pop), 52 km (32 miles) from Yono (c. 1 077 700 pop), 17 km (10 miles) from Chiba (c. 919 700 pop), 79 km (49 miles) from Hachiōji (c. 579 400 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days sixty-nine 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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 3 km SSW of Inba, Japan.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	140.1875° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.7463° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	65.026 km	Depth of the event in kilometers.
Place	3 km SSW of Inba, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-03-29 23:47:38	Time when the event occurred. UTC/GMT
Updated	2025-03-30 00:11:14	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	312	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	33	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.793	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.71 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	150	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	us7000pnqq	Id of event.
Event Code	7000pnqq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pnqq,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.5 mag, 3 km SSW of Inba, Japan

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