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Light earthquake: M4.6 quake has struck near Ohara in Japan

Earthquake location 35.2611S, 140.4748WA light earthquake magnitude 4.6 (ml/mb) strikes 8 kilometers (5 miles) from Ohara in Japan on Saturday. All ids that are associated to the event: us1000esyk. Unique identifier: us1000esyk. The 4.6-magnitude earthquake has occurred at 11:09:09 / 11:09 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 140.4748 East, latitude 35.2611 North, depth = 20.52 km. Global date and time of event UTC/GMT: 16/06/18 / 2018-06-16 02:09:09 / June 16, 2018 @ 2:09 am. The earthquake occurred at a depth of 20.52 km (13 miles) below the earth’s surface.

Nearest cities/city/towns to hypocenter/epicentrum was Machida, Chigasaki, Wako (min 5000 pop). Epicenter of the event was 85 km (53 miles) from Tokyo (c. 8 336 600 pop), 78 km (49 miles) from Yokohama (c. 3 574 400 pop), 74 km (46 miles) from Kawasaki (c. 1 306 800 pop), 50 km (31 miles) from Chiba (c. 919 700 pop), 65 km (41 miles) from Funabashi (c. 560 700 pop), 78 km (48 miles) from Matsudo (c. 470 300 pop), 92 km (57 miles) from Kawaguchi (c. 468 600 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days eight and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that has struck near. Each 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.

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. 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: 8 km E of Ohara, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 140.4748° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.2611° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.52 km Depth of the event in kilometers.
Place 8km E of Ohara, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-06-16 02:09:09 Time when the event occurred. UTC/GMT
Updated 2018-06-16 03:27:23 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 31 The total number of felt reports
CDI 3.6 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 337 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 2.209 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 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 us1000esyk Id of event.
Event Code 1000esyk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000esyk, A comma-separated list of event ids that are associated to an event.

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