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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 1 km N of Yotsukaido, Japan


Earthquake location 35.663S, 140.1667WA light earthquake with magnitude 4.2 (ml/mb) was reported 1 kilometers (1 miles) from Yotsukaido in Japan on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 63.71 km (40 miles). Unique identifier: us100031sf. Ids that are associated to the event: us100031sf. The 4.2-magnitude earthquake was detected at 09:42:31 / 9:42 am (local time epicenter). Global time and date of event 13/08/15 / 2015-08-13 00:42:31 / August 13, 2015 @ 12:42 am UTC/GMT. Exact location of event, depth 63.71 km, 140.1667° East, 35.663° North.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ninomiya, Ogawa, Hadano. Close country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 43 km (27 miles) from Tokyo (c. 8 336 600 pop), 53 km (33 miles) from Yokohama (c. 3 574 400 pop), 44 km (27 miles) from Kawasaki (c. 1 306 800 pop), 53 km (33 miles) from Saitama (c. 1 193 400 pop), 54 km (34 miles) from Yono (c. 1 077 700 pop), 8 km (5 miles) from Chiba (c. 919 700 pop).

There are an estimated 13,000 light earthquakes 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 five, in the past 30 days seven and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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 Yotsukaido, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 140.1667° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.663° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63.71 km Depth of the event in kilometers.
Place 1km N of Yotsukaido, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-13 00:42:31 Time when the event occurred. UTC/GMT
Updated 2015-08-13 04:32:56 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 272 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 0.566 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us100031sf Id of event.
Event Code 100031sf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100031sf, A comma-separated list of event ids that are associated to an event.

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