Light earthquake 4.5 mag, 62 km ESE of Katsuren-haebaru, Japan

Posted by admin on August 5, 2025 0 Comments

A light earthquake with magnitude 4.5 (ml/mb) was reported 62 kilometers (39 miles) from Katsuren-haebaru in Japan on Friday. Exact location of earthquake, longitude 128.4489 East, latitude 26.1022 North, depth = 10 km. The temblor was detected at 22:35:32 / 10:35 pm (local time epicenter). Id of earthquake: us6000qwmk. Event ids that are associated: us6000qwmk. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 18/07/25 / 2025-07-18 22:35:32 / July 18, 2025 @ 10:35 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Itoman, Naha-shi, Tomigusuku. Close country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the event was 78 km (48 miles) from Naha-shi (c. 300 800 pop), 70 km (43 miles) from Okinawa (c. 125 500 pop), 71 km (44 miles) from Ginowan (c. 91 800 pop), 65 km (40 miles) from Gushikawa (c. 65 300 pop), 73 km (46 miles) from Nago (c. 59 600 pop), 78 km (48 miles) from Itoman (c. 57 200 pop), 77 km (48 miles) from Tomigusuku (c. 55 700 pop).

Each year there are an estimated 13,000 light earthquakes in the world. 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 sixteen 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.

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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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 62 km ESE of Katsuren-haebaru, Japan. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	128.4489° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.1022° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	62 km ESE of Katsuren-haebaru, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-07-18 22:35:32	Time when the event occurred. UTC/GMT
Updated	2025-08-05 00:55:21	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	26	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.748	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	89	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	us6000qwmk	Id of event.
Event Code	6000qwmk	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qwmk,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.5 mag, 62 km ESE of Katsuren-haebaru, Japan

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