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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 7 km E of Shiroi, Japan

Earthquake location 35.7919S, 140.1438WA light earthquake magnitude 4.6 (ml/mb) strikes 7 kilometers (4 miles) from Shiroi in Japan on Friday. Exact location of event, depth 71.86 km, 140.1438° East, 35.7919° North. Event ids that are associated to the earthquake: us20009yur. Id of event: us20009yur. The earthquake occurred at a depth of 71.86 km (45 miles). Date and time of earthquake in UTC/GMT: 21/07/17 / 2017-07-21 07:07:46 / July 21, 2017 @ 7:07 am. The temblor was reported at 16:07:46 / 4:07 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 42 km (26 miles) from Tokyo (c. 8 336 600 pop), 59 km (37 miles) from Yokohama (c. 3 574 400 pop), 49 km (30 miles) from Kawasaki (c. 1 306 800 pop), 46 km (28 miles) from Saitama (c. 1 193 400 pop), 47 km (29 miles) from Yono (c. 1 077 700 pop), 21 km (13 miles) from Chiba (c. 919 700 pop), 76 km (47 miles) from Hachiōji (c. 579 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Ninomiya, Sakai-nakajima, Hadano (min 5000 pop).

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 two, in the past 30 days three and in the last 365 days sixty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 7 km E of Shiroi, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 140.1438° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.7919° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.86 km Depth of the event in kilometers.
Place 7km E of Shiroi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-21 07:07:46 Time when the event occurred. UTC/GMT
Updated 2017-07-21 07:27:01 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 19 The total number of felt reports
CDI 3.4 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 332 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 1.74 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 101 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 us20009yur Id of event.
Event Code 20009yur An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009yur, A comma-separated list of event ids that are associated to an event.

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