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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Kamaishi in Japan


Earthquake location 39.219S, 141.8261WA light earthquake magnitude 4.5 (ml/mb) strikes 7 kilometers (4 miles) from Kamaishi in Japan on Wednesday. Exact location of earthquake, longitude 141.8261 East, latitude 39.219 North, depth = 66.075 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us6000q50n. Ids that are associated to the event: us6000q50n. The temblor was detected at 23:33:21 / 11:33 pm (local time epicenter). The epicenter of the earthquake was roughly 66.075 km (41 miles) below the earth’s surface. Exact time and date of earthquake 09/04/25 / 2025-04-09 23:33:21 / April 9, 2025 @ 11:33 pm UTC/GMT.

Closest city/cities/towns to epicentrum/hypocenter was Wakuya, Shizukuishi, Morioka-shi (min 5000 pop). The epicenter was 79 km (49 miles) from Morioka-shi (c. 295 200 pop), 62 km (38 miles) from Kitakami (c. 93 900 pop), 64 km (40 miles) from Hanamaki (c. 73 100 pop), 69 km (43 miles) from Ichinoseki (c. 63 000 pop), 60 km (38 miles) from Mizusawa (c. 61 300 pop), 49 km (30 miles) from Miyako (c. 51 700 pop), 7 km (5 miles) from Kamaishi (c. 43 100 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected).

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. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has struck near.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 7 km SSW of Kamaishi, Japan. This data 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 141.8261° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.219° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 66.075 km Depth of the event in kilometers.
Place 7 km SSW of Kamaishi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-09 23:33:21 Time when the event occurred. UTC/GMT
Updated 2025-04-10 01:08:50 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 49 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.674 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us6000q50n Id of event.
Event Code 6000q50n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000q50n, A comma-separated list of event ids that are associated to an event.

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