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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Yonakuni in Japan

Posted by admin on September 29, 2025 0 Comments

Earthquake location 24.3666S, 123.2868WA light earthquake with magnitude 4.5 (ml/mb) was reported 31 kilometers (19 miles) from Yonakuni in Japan on Sunday. The 4.5-magnitude earthquake has occurred at 21:23:51 / 9:23 pm (local time epicenter). Exact time and date of event in UTC/GMT: 28/09/25 / 2025-09-28 21:23:51 / September 28, 2025 @ 9:23 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000rdhr. Ids that are associated to the earthquake: us6000rdhr. Exact location of earthquake, longitude 123.2868 East, latitude 24.3666 North, depth = 57.156 km. The earthquake occurred at a depth of 57.156 km (36 miles).

Closest city/cities/towns to epicentrum/hypocenter was Ishigaki (min 5000 pop). Earthquake epicenter was 88 km (55 miles) from Ishigaki (c. 44 800 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

There are an estimated 13,000 light earthquakes in the world each year. 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 one, in the past 30 days five and in the last 365 days fourty-two 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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 31 km ESE of Yonakuni, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 123.2868° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.3666° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.156 km Depth of the event in kilometers.
Place 31 km ESE of Yonakuni, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-28 21:23:51 Time when the event occurred. UTC/GMT
Updated 2025-09-29 03:58:12 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 312 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 0.27 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000rdhr Id of event.
Event Code 6000rdhr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rdhr, A comma-separated list of event ids that are associated to an event.

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