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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Ohara in Japan

Earthquake location 35.3513S, 140.5123WA light earthquake magnitude 4.1 (ml/mb) has occurred on Thursday, 16 kilometers (10 miles) from Ohara in Japan. The temblor was detected at 08:40:31 / 8:40 am (local time epicenter). All ids that are associated to the event: us20006hhp. Unique identifier: us20006hhp. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 20/07/16 / 2016-07-20 23:40:31 / July 20, 2016 @ 11:40 pm. Exact location of event, longitude 140.5123 East, latitude 35.3513 North, depth = 44.19 km. The epicenter was at a depth of 44.19 km (27 miles).

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Shimotoda, Koshigaya, Kawaguchi. The epicenter was 83 km (52 miles) from Tokyo (c. 8 336 600 pop), 80 km (49 miles) from Yokohama (c. 3 574 400 pop), 74 km (46 miles) from Kawasaki (c. 1 306 800 pop), 45 km (28 miles) from Chiba (c. 919 700 pop), 61 km (38 miles) from Funabashi (c. 560 700 pop), 73 km (46 miles) from Matsudo (c. 470 300 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days nine, in the past 30 days twelve and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 16 km NE of Ohara, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 140.5123° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.3513° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.19 km Depth of the event in kilometers.
Place 16km NE 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 2016-07-20 23:40:31 Time when the event occurred. UTC/GMT
Updated 2016-08-03 03:12:13 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 259 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 0.915 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 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 us20006hhp Id of event.
Event Code 20006hhp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006hhp, A comma-separated list of event ids that are associated to an event.

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