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Light earthquake: M4.4 quake has struck near Nemuro in Japan

Posted by admin on September 19, 2025 0 Comments

Earthquake location 42.7785S, 146.4886WA light earthquake with magnitude 4.4 (ml/mb) was reported 95 km SE of Nemuro, Japan (59 miles) on Saturday. All ids that are associated to the event: us7000qwxu. Unique identifier: us7000qwxu. Global date and time of event UTC/GMT: 23/08/25 / 2025-08-23 09:36:46 / August 23, 2025 @ 9:36 am. Exact location of event, longitude 146.4886 East, latitude 42.7785 North, depth = 23.236 km. The epicenter of the earthquake was roughly 23.236 km (14 miles) below the earth’s surface. The temblor was reported at 09:36:46 / 9:36 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 95 km SE of Nemuro, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 146.4886° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7785° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.236 km Depth of the event in kilometers.
Place 95 km SE of Nemuro, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-23 09:36:46 Time when the event occurred. UTC/GMT
Updated 2025-09-19 09:50:02 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 298 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 43 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.137 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 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 us7000qwxu Id of event.
Event Code 7000qwxu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qwxu, A comma-separated list of event ids that are associated to an event.

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