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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Tateyama in Japan



Earthquake location 34.7537S, 139.8074WA light earthquake magnitude 4.2 (ml/mb) has struck on Sunday, 26 kilometers (16 miles) from Tateyama in Japan. Event ids that are associated to the earthquake: us2000aug1. Id of event: us2000aug1. Exact time and date of event in UTC/GMT: 23/09/17 / 2017-09-23 21:08:38 / September 23, 2017 @ 9:08 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 06:08:38 / 6:08 am (local time epicenter). Exact location, longitude 139.8074° East, latitude 34.7537° North, depth = 32.88 km. The epicenter was at a depth of 32.88 km (20 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Machida, Mishima, Zama (min 5000 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Epicenter of the earthquake was 79 km (49 miles) from Yokohama (c. 3 574 400 pop), 86 km (53 miles) from Kawasaki (c. 1 306 800 pop), 60 km (37 miles) from Yokosuka (c. 429 000 pop), 93 km (58 miles) from Machida (c. 400 000 pop), 72 km (45 miles) from Fujisawa (c. 394 600 pop), 88 km (55 miles) from Ichihara (c. 283 500 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-one 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 the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 26 km SSW of Tateyama, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 139.8074° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.7537° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.88 km Depth of the event in kilometers.
Place 26km SSW of Tateyama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-23 21:08:38 Time when the event occurred. UTC/GMT
Updated 2017-10-21 04:48:52 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.8 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 272 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 1.34 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 130 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 us2000aug1 Id of event.
Event Code 2000aug1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aug1, A comma-separated list of event ids that are associated to an event.

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