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Light earthquake, 4.8 mag has occurred near Hachijo-jima in Japan

Posted by admin on February 11, 2018 0 Comments

Earthquake location 32.392S, 140.4726WA light earthquake magnitude 4.8 (ml/mb) has occurred on Sunday, 99 km SE of Hachijo-jima, Japan (62 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 16:31:02 / 4:31 pm (local time epicenter). Unique identifier: us2000d0hg. Ids that are associated to the event: us2000d0hg. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location, longitude 140.4726° East, latitude 32.392° North, depth = 10 km. Exact time and date of event in UTC/GMT: 11/02/18 / 2018-02-11 07:31:02 / February 11, 2018 @ 7:31 am.

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. 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 twenty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 99 km SE of Hachijo-jima, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude 140.4726° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 32.392° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 99km SE 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 2018-02-11 07:31:02 Time when the event occurred. UTC/GMT
Updated 2018-02-11 07:50:03 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 354 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 0.91 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us2000d0hg Id of event.
Event Code 2000d0hg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d0hg, A comma-separated list of event ids that are associated to an event.

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