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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Oyama in Japan


Earthquake location 36.2038S, 139.8496WA light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 11 kilometers (7 miles) from Oyama in Japan. The epicenter was at a depth of 56.35 km (35 miles). Event id: us10006198. Ids that are associated to the earthquake: us10006198. Exact location of event, longitude 139.8496 East, latitude 36.2038 North, depth = 56.35 km. Exact time and date of event in UTC/GMT: 30/06/16 / 2016-06-30 21:26:28 / June 30, 2016 @ 9:26 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 06:26:28 / 6:26 am (local time epicenter).

Event epicenter was 59 km (37 miles) from Tokyo (c. 8 336 600 pop), 86 km (54 miles) from Yokohama (c. 3 574 400 pop), 77 km (48 miles) from Kawasaki (c. 1 306 800 pop), 37 km (23 miles) from Saitama (c. 1 193 400 pop), 41 km (25 miles) from Yono (c. 1 077 700 pop), 71 km (44 miles) from Chiba (c. 919 700 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Uenohara, Kisarazu, Asahi (min 5000 pop).

In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days eleven and in the last 365 days sixty-six earthquakes of magnitude 3.0 or greater that was reported nearby. 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 anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 11 km SSE of Oyama, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 139.8496° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.2038° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.35 km Depth of the event in kilometers.
Place 11km SSE of Oyama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-06-30 21:26:28 Time when the event occurred. UTC/GMT
Updated 2016-07-16 00:01:09 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 284 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 0.277 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us10006198 Id of event.
Event Code 10006198 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006198, A comma-separated list of event ids that are associated to an event.

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