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Light World Earthquakes Magnitude 4-4.9

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

Posted by admin on December 15, 2025 0 Comments

Earthquake location 40.5562S, 143.4907WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 150 km ENE of Noda, Japan (93 miles). The earthquake was roughly at a depth of 36.121 km (22 miles). The temblor was detected at 22:49:08 / 10:49 pm (local time epicenter). Exact location of earthquake, 143.4907° East, 40.5562° North, depth 36.121 km. Date and time of earthquake in UTC/GMT: 21/11/25 / 2025-11-21 22:49:08 / November 21, 2025 @ 10:49 pm. Event ids that are associated to the earthquake: us6000rtnu. Id of event: us6000rtnu. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been twenty-four, in the last 10 days thirty-four, in the past 30 days sixty-six and in the last 365 days eighty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 150 km ENE of Noda, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 143.4907° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.5562° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.121 km Depth of the event in kilometers.
Place 150 km ENE of Noda, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-21 22:49:08 Time when the event occurred. UTC/GMT
Updated 2025-12-15 02:56:53 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.479 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 173 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 us6000rtnu Id of event.
Event Code 6000rtnu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rtnu, A comma-separated list of event ids that are associated to an event.

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