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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 78 km SE of Katsuura, Japan


Earthquake location 34.6398S, 140.9108WA light earthquake magnitude 4.3 (ml/mb) strikes 78 kilometers (48 miles) from Katsuura in Japan on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 31.37 km (19 miles). The 4.3-magnitude earthquake has occurred at 16:56:29 / 4:56 pm (local time epicenter). Exact location of earthquake, 140.9108° East, 34.6398° North, depth 31.37 km. All ids that are associated to the event: us1000dq8i. Unique identifier: us1000dq8i. Exact time and date of earthquake 22/04/18 / 2018-04-22 07:56:29 / April 22, 2018 @ 7:56 am UTC/GMT.

Nearest cities/city/towns to hypocenter/epicentrum was Kawaguchi, Ōhara, Katsuura (min 5000 pop). Event epicenter was 90 km (56 miles) from Kawaguchi (c. 29 100 pop), 78 km (49 miles) from Katsuura (c. 22 300 pop), 83 km (52 miles) from Ōhara (c. 20 200 pop). Nearby country/countries that might be effected, Japan (c. 127 288 000 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 two, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 78 km SE of Katsuura, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.9108° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.6398° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.37 km Depth of the event in kilometers.
Place 78km SE of Katsuura, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-22 07:56:29 Time when the event occurred. UTC/GMT
Updated 2018-04-22 08:20:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 285 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 1.773 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129 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 us1000dq8i Id of event.
Event Code 1000dq8i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dq8i, A comma-separated list of event ids that are associated to an event.

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