Light earthquake, 4.5 mag has occurred near Ikeda in Japan

Posted by admin on May 12, 2025 0 Comments

A light earthquake with magnitude 4.5 (ml/mb) was reported 2 kilometers (1 miles) from Ikeda in Japan on Friday. Exact location of event, depth 10 km, 137.8965° East, 36.4383° North. Event ids that are associated to the earthquake: us6000q714. Id of event: us6000q714. The 4.5-magnitude earthquake was detected at 14:39:46 / 2:39 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles). Exact time and date of earthquake 18/04/25 / 2025-04-18 14:39:46 / April 18, 2025 @ 2:39 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Nirasaki, Himi, Fukumitsu (min 5000 pop). The epicenter was 35 km (22 miles) from Nagano-shi (c. 360 200 pop), 68 km (42 miles) from Toyama-shi (c. 325 500 pop), 24 km (15 miles) from Matsumoto (c. 210 700 pop), 85 km (53 miles) from Jōetsu (c. 204 100 pop), 86 km (53 miles) from Takaoka (c. 170 100 pop), 35 km (22 miles) from Ueda (c. 126 600 pop), 58 km (36 miles) from Saku (c. 68 900 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km NNE of Ikeda, Japan. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	137.8965° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.4383° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	2 km NNE of Ikeda, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-04-18 14:39:46	Time when the event occurred. UTC/GMT
Updated	2025-05-12 07:10:03	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	105	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	0.69 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	86	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	us6000q714	Id of event.
Event Code	6000q714	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000q714,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.5 mag has occurred near Ikeda in Japan

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