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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Katsuura in Japan


Earthquake location 34.4422S, 140.5149WA light earthquake magnitude 4.7 (ml/mb) has occurred on Wednesday, 79 kilometers (49 miles) from Katsuura in Japan. Global time and date of event 18/08/15 / 2015-08-18 19:16:58 / August 18, 2015 @ 7:16 pm UTC/GMT. Unique identifier: us1000337w. Ids that are associated to the event: us1000337w. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 140.5149 East, latitude 34.4422 North, depth = 80.85 km. The temblor was reported at 04:16:58 / 4:16 am (local time epicenter). The earthquake occurred at a depth of 80.85 km (50 miles) below the earth’s surface.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 84 km (52 miles) from Tateyama (c. 50 100 pop), 82 km (51 miles) from Kawaguchi (c. 29 100 pop), 80 km (50 miles) from Katsuura (c. 22 300 pop), 91 km (56 miles) from Ōhara (c. 20 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ōhara, Tateyama, Kawaguchi.

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 one, in the last 10 days one, in the past 30 days two and in the last 365 days eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 79 km SSE of Katsuura, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 140.5149° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.4422° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 80.85 km Depth of the event in kilometers.
Place 79km SSE 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 2015-08-18 19:16:58 Time when the event occurred. UTC/GMT
Updated 2015-08-18 21:39:42 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 340 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 1.446 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154 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 us1000337w Id of event.
Event Code 1000337w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000337w, A comma-separated list of event ids that are associated to an event.

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