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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Sayama in Japan


Earthquake location 35.859S, 139.4212WA light earthquake with magnitude 4.5 (ml/mb) was reported 1 kilometers (1 miles) from Sayama in Japan on Sunday. Event id: us2000apln. Ids that are associated to the earthquake: us2000apln. Global date and time of event UTC/GMT: 16/09/17 / 2017-09-16 21:58:25 / September 16, 2017 @ 9:58 pm. The earthquake was roughly at a depth of 69 km (43 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 139.4212 East, latitude 35.859 North, depth = 69 km. The temblor was detected at 06:58:25 / 6:58 am (local time epicenter).

Epicenter of the earthquake was 31 km (19 miles) from Tokyo (c. 8 336 600 pop), 50 km (31 miles) from Yokohama (c. 3 574 400 pop), 46 km (29 miles) from Kawasaki (c. 1 306 800 pop), 22 km (14 miles) from Saitama (c. 1 193 400 pop), 19 km (12 miles) from Yono (c. 1 077 700 pop), 69 km (43 miles) from Chiba (c. 919 700 pop), 24 km (15 miles) from Hachiōji (c. 579 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Nakanojōmachi, Tomobe, Kasama (min 5000 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop).

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

Did you feel it?

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 NE of Sayama, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 139.4212° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.859° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 69 km Depth of the event in kilometers.
Place 1km NE of Sayama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-16 21:58:25 Time when the event occurred. UTC/GMT
Updated 2017-09-17 21:59:41 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 23 The total number of felt reports
CDI 3.1 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 319 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 1.199 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us2000apln Id of event.
Event Code 2000apln An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000apln, A comma-separated list of event ids that are associated to an event.

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