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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 3 km NE of Iwai, Japan



Earthquake location 36.0704S, 139.9243WA light earthquake magnitude 4.3 (ml/mb) strikes 3 kilometers (2 miles) from Iwai in Japan on Friday. Exact location, longitude 139.9243° East, latitude 36.0704° North, depth = 60.88 km. The temblor was detected at 01:29:54 / 1:29 am (local time epicenter). The earthquake occurred at a depth of 60.88 km (38 miles) below the earth’s surface. 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: 23/03/17 / 2017-03-23 16:29:54 / March 23, 2017 @ 4:29 pm. Id of earthquake: us20008u2t. Event ids that are associated: us20008u2t.

Event epicenter was 47 km (29 miles) from Tokyo (c. 8 336 600 pop), 74 km (46 miles) from Yokohama (c. 3 574 400 pop), 64 km (40 miles) from Kawasaki (c. 1 306 800 pop), 30 km (19 miles) from Saitama (c. 1 193 400 pop), 33 km (21 miles) from Yono (c. 1 077 700 pop), 55 km (34 miles) from Chiba (c. 919 700 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Zushi, Kanekomachi, Kamakura.

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 3 km NE of Iwai, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 139.9243° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.0704° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 60.88 km Depth of the event in kilometers.
Place 3km NE of Iwai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-23 16:29:54 Time when the event occurred. UTC/GMT
Updated 2017-03-23 21:23:48 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 21 The total number of felt reports
CDI 3.3 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 291 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 1.468 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us20008u2t Id of event.
Event Code 20008u2t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008u2t, A comma-separated list of event ids that are associated to an event.

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