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Light earthquake, 4.8 mag strikes near Hachijo-jima in Japan

Posted by admin on November 18, 2017 0 Comments

Earthquake location 31.6819S, 139.6123WA light earthquake with magnitude 4.8 (ml/mb) was reported 156 km S of Hachijo-jima, Japan (97 miles) on Saturday. Global date and time of event UTC/GMT: 18/11/17 / 2017-11-18 09:00:36 / November 18, 2017 @ 9:00 am. The temblor was detected at 18:00:36 / 6:00 pm (local time epicenter). The earthquake occurred at a depth of 32.75 km (20 miles). Exact location of event, longitude 139.6123 East, latitude 31.6819 North, depth = 32.75 km. All ids that are associated to the event: us2000bqxn. Unique identifier: us2000bqxn. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 156 km S 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 139.6123° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.6819° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.75 km Depth of the event in kilometers.
Place 156km S 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 2017-11-18 09:00:36 Time when the event occurred. UTC/GMT
Updated 2017-11-18 09:31:49 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 1.439 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000bqxn Id of event.
Event Code 2000bqxn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bqxn, A comma-separated list of event ids that are associated to an event.

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