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Light earthquake: M4.5 quake has struck near Yachimata in Japan

Earthquake location 35.6346S, 140.243WA light earthquake magnitude 4.5 (ml/mb) strikes 6 kilometers (4 miles) from Yachimata in Japan on Friday. Date and time of earthquake in UTC/GMT: 19/02/16 / 2016-02-19 01:50:18 / February 19, 2016 @ 1:50 am. Event id: us10004qya. Ids that are associated to the earthquake: us10004qya. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 53.18 km (33 miles) below the earth’s surface. Exact location of earthquake, 140.243° East, 35.6346° North, depth 53.18 km. The 4.5-magnitude earthquake was detected at 10:50:18 / 10:50 am (local time epicenter).

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sano, Mibu, Tochigi (min 5000 pop). The epicenter was 50 km (31 miles) from Tokyo (c. 8 336 600 pop), 58 km (36 miles) from Yokohama (c. 3 574 400 pop), 49 km (31 miles) from Kawasaki (c. 1 306 800 pop), 61 km (38 miles) from Saitama (c. 1 193 400 pop), 62 km (38 miles) from Yono (c. 1 077 700 pop), 11 km (7 miles) from Chiba (c. 919 700 pop), 83 km (52 miles) from Hachiōji (c. 579 400 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days sixty-three 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. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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: 6 km WSW of Yachimata, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 140.243° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.6346° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.18 km Depth of the event in kilometers.
Place 6km WSW of Yachimata, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-19 01:50:18 Time when the event occurred. UTC/GMT
Updated 2016-02-19 02:26:31 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 3.9 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 313 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 0.596 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us10004qya Id of event.
Event Code 10004qya An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004qya, A comma-separated list of event ids that are associated to an event.

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