Light earthquake: M4.2 quake has struck near Kawaguchi in Japan

A light earthquake magnitude 4.2 (ml/mb) strikes 11 kilometers (7 miles) from Kawaguchi in Japan on Sunday. The temblor was picked up at 18:48:54 / 6:48 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 23/02/20 / 2020-02-23 09:48:54 / February 23, 2020 @ 9:48 am. The epicenter of the earthquake was roughly 73.56 km (46 miles) below the earth’s surface. Event id: us600085ya. Ids that are associated to the earthquake: us600085ya. Exact location of earthquake, 140.0662° East, 35.1977° North, depth 73.56 km.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 64 km (40 miles) from Tokyo (c. 8 336 600 pop), 47 km (29 miles) from Yokohama (c. 3 574 400 pop), 48 km (30 miles) from Kawasaki (c. 1 306 800 pop), 87 km (54 miles) from Saitama (c. 1 193 400 pop), 86 km (53 miles) from Yono (c. 1 077 700 pop), 46 km (28 miles) from Chiba (c. 919 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Itō, Itako, Kasukabe (min 5000 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days nine and in the last 365 days fifty-six 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.

How would you describe the shaking?

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: 11 km NNW of Kawaguchi, Japan. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	140.0662° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.1977° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	73.56 km	Depth of the event in kilometers.
Place	11km NNW of Kawaguchi, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-02-23 09:48:54	Time when the event occurred. UTC/GMT
Updated	2020-03-11 07:21:39	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	271	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	1.631	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.66 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	156	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	us600085ya	Id of event.
Event Code	600085ya	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us600085ya,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.2 quake has struck near Kawaguchi in Japan

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