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Light earthquake, 4.7 mag has occurred near Hachijo-jima in Japan

Posted by admin on February 23, 2020 0 Comments

Earthquake location 33.6831S, 141.3522WA light earthquake with magnitude 4.7 (ml/mb) was reported 159 km ENE of Hachijo-jima, Japan (99 miles) on Sunday. Exact location of earthquake, 141.3522° East, 33.6831° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 23/02/20 / 2020-02-23 10:03:36 / February 23, 2020 @ 10:03 am UTC/GMT. The temblor was reported at 19:03:36 / 7:03 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Unique identifier: us70007v4s. Ids that are associated to the event: us70007v4s.

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 thirteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

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. 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: 159 km ENE of Hachijo-jima, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 141.3522° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.6831° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 159km ENE of Hachijo-jima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-23 10:03:36 Time when the event occurred. UTC/GMT
Updated 2020-02-23 10:34:53 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 340 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 1.406 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us70007v4s Id of event.
Event Code 70007v4s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007v4s, A comma-separated list of event ids that are associated to an event.

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