Light earthquake, 4.3 mag strikes near Oketo in Japan

A light earthquake with magnitude 4.3 (ml/mb) was reported 20 kilometers (12 miles) from Oketo in Japan on Tuesday. Event id: us7000n859. Ids that are associated to the earthquake: us7000n859. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 167.825 km (104 miles) below the earth’s surface. The 4.3-magnitude earthquake was detected at 10:18:14 / 10:18 am (local time epicenter). Global time and date of event 20/08/24 / 2024-08-20 10:18:14 / August 20, 2024 @ 10:18 am UTC/GMT. Exact location, longitude 143.3349° East, latitude 43.6602° North, depth = 167.825 km.

Event epicenter was 79 km (49 miles) from Asahikawa (c. 356 600 pop), 83 km (52 miles) from Obihiro (c. 173 900 pop), 47 km (29 miles) from Kitami (c. 113 100 pop), 85 km (53 miles) from Abashiri (c. 42 500 pop), 75 km (47 miles) from Otofuke (c. 40 900 pop), 77 km (48 miles) from Mombetsu (c. 26 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Abashiri, Shimo-furano, Obihiro (min 5000 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

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 two, in the past 30 days three and in the last 365 days five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 20 km W of Oketo, Japan.

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	143.3349° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	43.6602° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	167.825 km	Depth of the event in kilometers.
Place	20 km W of Oketo, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-08-20 10:18:14	Time when the event occurred. UTC/GMT
Updated	2024-08-26 10:02:19	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	42	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.706	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.6 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	135	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	us7000n859	Id of event.
Event Code	7000n859	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000n859,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag strikes near Oketo in Japan

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