Light earthquake: M4.3 quake has struck near Narita in Japan

Posted by admin on December 4, 2020 0 Comments

A light earthquake with magnitude 4.3 (ml/mb) was reported 9 kilometers (6 miles) from Narita in Japan on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 140.3486 East, latitude 35.8606 North, depth = 75.65 km. Global date and time of event UTC/GMT: 30/11/20 / 2020-11-30 01:34:06 / November 30, 2020 @ 1:34 am. The earthquake was roughly at a depth of 75.65 km (47 miles). The temblor was reported at 01:34:06 / 1:34 am (local time epicenter). Event ids that are associated to the earthquake: us7000cmkx. Id of event: us7000cmkx.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Hannō, Minami-rinkan, Kumagaya. Event epicenter was 62 km (39 miles) from Tokyo (c. 8 336 600 pop), 79 km (49 miles) from Yokohama (c. 3 574 400 pop), 68 km (43 miles) from Kawasaki (c. 1 306 800 pop), 63 km (39 miles) from Saitama (c. 1 193 400 pop), 64 km (40 miles) from Yono (c. 1 077 700 pop), 35 km (22 miles) from Chiba (c. 919 700 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days five and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year. 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: 9 km NNE of Narita, Japan.

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	140.3486° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.8606° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	75.65 km	Depth of the event in kilometers.
Place	9 km NNE of Narita, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-11-30 01:34:06	Time when the event occurred. UTC/GMT
Updated	2020-12-04 00:45:13	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	284	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	1.859	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.61 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	us7000cmkx	Id of event.
Event Code	7000cmkx	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000cmkx,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.3 quake has struck near Narita in Japan

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