Light earthquake, 4.3 mag strikes near Honchō in Japan

A light earthquake with magnitude 4.3 (ml/mb) was reported 60 km SE of Honchō, Japan (37 miles) on Saturday. Global time and date of event 21/09/24 / 2024-09-21 21:13:21 / September 21, 2024 @ 9:13 pm UTC/GMT. The temblor was picked up at 21:13:21 / 9:13 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us6000ntjg. Ids that are associated to the event: us6000ntjg. Exact location of earthquake, longitude 143.4272 East, latitude 41.7445 North, depth = 89.448 km. The epicenter of the earthquake was roughly 89.448 km (56 miles) below the earth’s surface.

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. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days three and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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: 60 km SE of Honchō, Japan. This data comes from the USGS Earthquake Notification Service.

Honchō Japan

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	143.4272° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.7445° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	89.448 km	Depth of the event in kilometers.
Place	60 km SE of Honchō, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-09-21 21:13:21	Time when the event occurred. UTC/GMT
Updated	2024-09-21 21:57:54	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	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.337	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.06 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	153	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	us6000ntjg	Id of event.
Event Code	6000ntjg	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000ntjg,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag strikes near Honchō in Japan

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