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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Shizuoka-shi in Japan


Earthquake location 34.8799S, 138.5087WA light earthquake magnitude 4.2 (ml/mb) strikes 15 kilometers (9 miles) from Shizuoka-shi in Japan on Monday. The epicenter was at a depth of 210.56 km (131 miles). The temblor was reported at 20:54:50 / 8:54 pm (local time epicenter). Exact location, longitude 138.5087° East, latitude 34.8799° North, depth = 210.56 km. Exact time and date of earthquake 25/09/17 / 2017-09-25 11:54:50 / September 25, 2017 @ 11:54 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000b0h7. Event ids that are associated: us2000b0h7.

Country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 16 km (10 miles) from Shizuoka-shi (c. 701 600 pop), 74 km (46 miles) from Hamamatsu (c. 605 100 pop), 90 km (56 miles) from Hiratsuka (c. 259 100 pop), 36 km (22 miles) from Fuji (c. 240 000 pop), 41 km (25 miles) from Numazu (c. 204 300 pop), 72 km (45 miles) from Odawara (c. 203 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Isehara, Shinshiro, Nirasaki (min 5000 pop).

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

Questions or comments?

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. 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: 15 km SE of Shizuoka-shi, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 138.5087° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.8799° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 210.56 km Depth of the event in kilometers.
Place 15km SE of Shizuoka-shi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-25 11:54:50 Time when the event occurred. UTC/GMT
Updated 2017-10-06 08:51:26 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 271 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 0.335 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 117 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 us2000b0h7 Id of event.
Event Code 2000b0h7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000b0h7, A comma-separated list of event ids that are associated to an event.

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