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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Toba in Japan

Earthquake location 34.5022S, 137.0445WA light earthquake magnitude 4.3 (ml/mb) has struck on Saturday, 17 kilometers (11 miles) from Toba in Japan. The 4.3-magnitude earthquake was detected at 06:23:31 / 6:23 am (local time epicenter). Event ids that are associated to the earthquake: us2000asmu. Id of event: us2000asmu. The earthquake occurred at a depth of 328.82 km (204 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 15/09/17 / 2017-09-15 21:23:31 / September 15, 2017 @ 9:23 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 328.82 km, 137.0445° East, 34.5022° North.

Epicenter of the event was 77 km (48 miles) from Nagoya-shi (c. 2 191 300 pop), 67 km (41 miles) from Hamamatsu (c. 605 100 pop), 43 km (27 miles) from Toyohashi (c. 378 400 pop), 65 km (41 miles) from Toyota (c. 362 400 pop), 51 km (32 miles) from Okazaki (c. 352 400 pop), 83 km (52 miles) from Kasugai (c. 298 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Owase, Ichinomiya, Hino. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

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: 17 km E of Toba, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 137.0445° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.5022° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 328.82 km Depth of the event in kilometers.
Place 17km E of Toba, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-15 21:23:31 Time when the event occurred. UTC/GMT
Updated 2017-09-22 02:18:32 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 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 0.845 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 us2000asmu Id of event.
Event Code 2000asmu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000asmu, A comma-separated list of event ids that are associated to an event.

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