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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Kashima-shi in Japan


Earthquake location 35.9289S, 140.8287WA light earthquake with magnitude 4.3 (ml/mb) was detected on Tuesday, 17 kilometers (11 miles) from Kashima-shi in Japan. The earthquake occurred at a depth of 53.99 km (34 miles) below the earth’s surface. Unique identifier: us2000jdn4. Ids that are associated to the event: us2000jdn4. Exact location, longitude 140.8287° East, latitude 35.9289° North, depth = 53.99 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 07:04:09 / 7:04 am (local time epicenter). Exact time and date of earthquake 21/01/19 / 2019-01-21 22:04:09 / January 21, 2019 @ 10:04 pm UTC/GMT.

Country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 73 km (45 miles) from Chiba (c. 919 700 pop), 81 km (50 miles) from Funabashi (c. 560 700 pop), 85 km (53 miles) from Matsudo (c. 470 300 pop), 78 km (48 miles) from Kashiwa (c. 340 200 pop), 81 km (51 miles) from Ichihara (c. 283 500 pop), 57 km (36 miles) from Mito-shi (c. 246 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Sōka, Mooka, Yashio-shi (min 5000 pop).

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

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 17 km ESE of Kashima-shi, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.8287° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.9289° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.99 km Depth of the event in kilometers.
Place 17km ESE of Kashima-shi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-01-21 22:04:09 Time when the event occurred. UTC/GMT
Updated 2019-02-06 00:07:03 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 284 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.936 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us2000jdn4 Id of event.
Event Code 2000jdn4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000jdn4, A comma-separated list of event ids that are associated to an event.

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