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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Tateyama in Japan

Earthquake location 32.9611S, 140.6504WA light earthquake magnitude 4.2 (ml/mb) strikes 235 km SSE of Tateyama, Japan (146 miles) on Saturday. The earthquake occurred at a depth of 62.32 km (39 miles) below the earth’s surface. Event ids that are associated to the earthquake: us7000bpe1. Id of event: us7000bpe1. Exact location, longitude 140.6504° East, latitude 32.9611° North, depth = 62.32 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 23:42:29 / 11:42 pm (local time epicenter). Exact time and date of earthquake 12/09/20 / 2020-09-12 23:42:29 / September 12, 2020 @ 11:42 pm UTC/GMT.

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

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 235 km SSE 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 140.6504° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 32.9611° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62.32 km Depth of the event in kilometers.
Place 235 km SSE 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 2020-09-12 23:42:29 Time when the event occurred. UTC/GMT
Updated 2020-09-25 03:20:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.719 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us7000bpe1 Id of event.
Event Code 7000bpe1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bpe1, A comma-separated list of event ids that are associated to an event.

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