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

Earthquake location 37.5684S, 139.6819WA light earthquake with magnitude 4.3 (ml/mb) was detected on Saturday, 18 kilometers (11 miles) from Kitakata in Japan. The temblor was reported at 09:43:14 / 9:43 am (local time epicenter). Date and time of earthquake in UTC/GMT: 16/01/21 / 2021-01-16 09:43:14 / January 16, 2021 @ 9:43 am. Exact location of earthquake, 139.6819° East, 37.5684° North, depth 135.05 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us7000d0mi. Ids that are associated to the earthquake: us7000d0mi. The epicenter was at a depth of 135.05 km (84 miles).

Epicenter of the earthquake was 69 km (43 miles) from Niigata-shi (c. 505 300 pop), 65 km (40 miles) from Kōriyama (c. 340 600 pop), 72 km (45 miles) from Fukushima-shi (c. 294 200 pop), 75 km (46 miles) from Nagaoka (c. 195 300 pop), 54 km (33 miles) from Yonezawa (c. 94 500 pop), 65 km (40 miles) from Sanjō (c. 82 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Nikkō, Muikamachi, Yaita. Close 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 one, in the past 30 days one and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes 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. 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: 18 km WSW of Kitakata, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 139.6819° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.5684° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 135.05 km Depth of the event in kilometers.
Place 18 km WSW of Kitakata, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-16 09:43:14 Time when the event occurred. UTC/GMT
Updated 2021-01-16 10:15:52 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 1.561 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115 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 us7000d0mi Id of event.
Event Code 7000d0mi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000d0mi, A comma-separated list of event ids that are associated to an event.

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