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Light earthquake 4.6 mag, 272 km SSE of Hachijo-jima, Japan

Posted by admin on September 11, 2015 0 Comments

Earthquake location 30.8415S, 140.9739WA light earthquake magnitude 4.6 (ml/mb) has struck on Friday, 272 km SSE of Hachijo-jima, Japan (169 miles). Id of earthquake: us20003hw0. Event ids that are associated: us20003hw0. Exact location of event, longitude 140.9739 East, latitude 30.8415 North, depth = 41.89 km. The temblor was detected at 07:18:04 / 7:18 am (local time epicenter). The epicenter of the earthquake was roughly 41.89 km (26 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 10/09/15 / 2015-09-10 22:18:04 / September 10, 2015 @ 10:18 pm UTC/GMT.

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 six, in the past 30 days six and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 272 km SSE of Hachijo-jima, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 140.9739° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 30.8415° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.89 km Depth of the event in kilometers.
Place 272km SSE 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 2015-09-10 22:18:04 Time when the event occurred. UTC/GMT
Updated 2015-09-10 23:47:08 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 2.472 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 120 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 us20003hw0 Id of event.
Event Code 20003hw0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003hw0, A comma-separated list of event ids that are associated to an event.

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