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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 29 km SSW of Toba, Japan

Earthquake location 34.2211S, 136.7852WA light earthquake magnitude 4.1 (ml/mb) strikes 29 kilometers (18 miles) from Toba in Japan on Tuesday. Exact time and date of event in UTC/GMT: 16/04/19 / 2019-04-16 10:42:34 / April 16, 2019 @ 10:42 am. Exact location of event, longitude 136.7852 East, latitude 34.2211 North, depth = 356.91 km. The temblor was detected at 19:42:34 / 7:42 pm (local time epicenter). The earthquake occurred at a depth of 356.91 km (222 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000370n. Ids that are associated to the event: us7000370n.

Epicenter of the earthquake was 82 km (51 miles) from Toyohashi (c. 378 400 pop), 88 km (55 miles) from Okazaki (c. 352 400 pop), 84 km (52 miles) from Yokkaichi (c. 295 800 pop), 76 km (47 miles) from Suzuka (c. 191 500 pop), 86 km (54 miles) from Anjō (c. 178 400 pop), 62 km (39 miles) from Tsu-shi (c. 163 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sakurai, Komono, Chiryū. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 29 km SSW of Toba, Japan.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 136.7852° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.2211° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 356.91 km Depth of the event in kilometers.
Place 29km SSW 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 2019-04-16 10:42:34 Time when the event occurred. UTC/GMT
Updated 2019-04-23 10:38:06 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 259 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 1.143 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 37 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 us7000370n Id of event.
Event Code 7000370n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000370n, A comma-separated list of event ids that are associated to an event.

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