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Light earthquake 4.6 mag, 278 km SE of Hachijo-jima, Japan

Posted by admin on September 5, 2015 0 Comments

Earthquake location 31.4073S, 142.007WA light earthquake magnitude 4.6 (ml/mb) has occurred on Sunday, 278 km SE of Hachijo-jima, Japan (173 miles). Exact time and date of earthquake 05/09/15 / 2015-09-05 17:06:15 / September 5, 2015 @ 5:06 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 20.45 km (13 miles) below the earth’s surface. Event ids that are associated to the earthquake: us20003gre. Id of event: us20003gre. Exact location of earthquake, 142.007° East, 31.4073° North, depth 20.45 km. The 4.6-magnitude earthquake was detected at 02:06:15 / 2:06 am (local time epicenter).

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 four, in the past 30 days five and in the last 365 days fifty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 278 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 142.007° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.4073° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.45 km Depth of the event in kilometers.
Place 278km 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 2015-09-05 17:06:15 Time when the event occurred. UTC/GMT
Updated 2015-09-05 20:30:58 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 5.042 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 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 us20003gre Id of event.
Event Code 20003gre An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003gre, A comma-separated list of event ids that are associated to an event.

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