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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Hachijo-jima in Japan


Earthquake location 31.8147S, 140.6047WA light earthquake with magnitude 4.3 (ml/mb) was reported 159 km SSE of Hachijo-jima, Japan (99 miles) on Tuesday. Event ids that are associated to the earthquake: us20005yl0. Id of event: us20005yl0. The temblor was reported at 07:08:57 / 7:08 am (local time epicenter). The epicenter was at a depth of 37.48 km (23 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 140.6047 East, latitude 31.8147 North, depth = 37.48 km. Exact time and date of earthquake 23/05/16 / 2016-05-23 22:08:57 / May 23, 2016 @ 10:08 pm UTC/GMT.

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

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. 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: 159 km SSE of Hachijo-jima, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.6047° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.8147° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.48 km Depth of the event in kilometers.
Place 159km 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 2016-05-23 22:08:57 Time when the event occurred. UTC/GMT
Updated 2016-06-09 02:30:06 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 285 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 1.459 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 162 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 us20005yl0 Id of event.
Event Code 20005yl0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005yl0, A comma-separated list of event ids that are associated to an event.

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