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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location 35.7329S, 140.2705WA light earthquake magnitude 4.4 (ml/mb) has occurred on Tuesday, 1 kilometers (1 miles) from Shisui in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us7000mnj8. Ids that are associated to the earthquake: us7000mnj8. Global date and time of event UTC/GMT: 21/05/24 / 2024-05-21 21:40:16 / May 21, 2024 @ 9:40 pm. The 4.4-magnitude earthquake has occurred at 21:40:16 / 9:40 pm (local time epicenter). The earthquake occurred at a depth of 75.779 km (47 miles) below the earth’s surface. Exact location, longitude 140.2705° East, latitude 35.7329° North, depth = 75.779 km.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Tanuma, Ōme, Ōmiya (min 5000 pop). Event epicenter was 52 km (33 miles) from Tokyo (c. 8 336 600 pop), 65 km (40 miles) from Yokohama (c. 3 574 400 pop), 55 km (34 miles) from Kawasaki (c. 1 306 800 pop), 59 km (36 miles) from Saitama (c. 1 193 400 pop), 60 km (37 miles) from Yono (c. 1 077 700 pop), 19 km (12 miles) from Chiba (c. 919 700 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 seven and in the last 365 days eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 1 km N of Shisui, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.2705° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.7329° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 75.779 km Depth of the event in kilometers.
Place 1 km N of Shisui, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-05-21 21:40:16 Time when the event occurred. UTC/GMT
Updated 2024-06-05 23:19:08 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 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.854 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us7000mnj8 Id of event.
Event Code 7000mnj8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000mnj8, A comma-separated list of event ids that are associated to an event.

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