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Light earthquake 4.5 mag, 3 km WSW of Chiba, Japan

Posted by admin on December 7, 2024 0 Comments

A light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 3 kilometers (2 miles) from Chiba in Japan. Date and time of earthquake in UTC/GMT: 07/12/24 / 2024-12-07 22:39:45 / December 7, 2024 @ 10:39 pm. All ids that are associated to the event: us7000nwyq. Unique identifier: us7000nwyq. Exact location of event, depth 76.278 km, 140.0742° East, 35.5912° North. The earthquake occurred at a depth of 76.278 km (47 miles) below the earth’s surface. The temblor was detected at 22:39:45 / 10:39 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquake epicenter was 36 km (23 miles) from Tokyo (c. 8 336 600 pop), 42 km (26 miles) from Yokohama (c. 3 574 400 pop), 33 km (21 miles) from Kawasaki (c. 1 306 800 pop), 52 km (32 miles) from Saitama (c. 1 193 400 pop), 51 km (32 miles) from Yono (c. 1 077 700 pop), 5 km (3 miles) from Chiba (c. 919 700 pop), 68 km (42 miles) from Hachiōji (c. 579 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mibu, Kaminokawa, Mooka. Country/countries that might be effected, Japan (c. 127 288 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days six and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 3 km WSW of Chiba, Japan. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	140.0742° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.5912° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	76.278 km	Depth of the event in kilometers.
Place	3 km WSW of Chiba, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-12-07 22:39:45	Time when the event occurred. UTC/GMT
Updated	2024-12-07 23:01:06	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	43	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.784	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.86 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	140	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	us7000nwyq	Id of event.
Event Code	7000nwyq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000nwyq,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.5 mag, 3 km WSW of Chiba, Japan

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