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Light earthquake 4.6 mag, 277 km SE of Hachijo-jima, Japan

Posted by admin on March 20, 2016 0 Comments

Earthquake location 31.0394S, 141.4886WA light earthquake magnitude 4.6 (ml/mb) strikes 277 km SE of Hachijo-jima, Japan (172 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 20/03/16 / 2016-03-20 07:46:23 / March 20, 2016 @ 7:46 am. The temblor was reported at 16:46:23 / 4:46 pm (local time epicenter). Exact location, longitude 141.4886° East, latitude 31.0394° North, depth = 74.83 km. The earthquake occurred at a depth of 74.83 km (46 miles) below the earth’s surface. All ids that are associated to the event: us20005b7g. Unique identifier: us20005b7g.

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 fifty-two 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. Every year there are an estimated 13,000 light earthquakes 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: 277 km SE of Hachijo-jima, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.4886° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.0394° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 74.83 km Depth of the event in kilometers.
Place 277km 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 2016-03-20 07:46:23 Time when the event occurred. UTC/GMT
Updated 2016-03-20 12:09:51 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 2.511 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us20005b7g Id of event.
Event Code 20005b7g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005b7g, A comma-separated list of event ids that are associated to an event.

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