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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Hachijo-jima in Japan

Posted by admin on December 17, 2015 0 Comments

Earthquake location 32.2382S, 140.2387WA light earthquake magnitude 4.5 (ml/mb) strikes 102 km SSE of Hachijo-jima, Japan (63 miles) on Thursday. The earthquake occurred at a depth of 119.65 km (74 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 140.2387° East, latitude 32.2382° North, depth = 119.65 km. Exact time and date of earthquake 18/11/15 / 2015-11-18 23:39:00 / November 18, 2015 @ 11:39 pm UTC/GMT. Unique identifier: us10003zuh. Ids that are associated to the event: us10003zuh. The 4.5-magnitude earthquake was detected at 08:39:00 / 8:39 am (local time epicenter).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days four and in the last 365 days fourteen 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.

Questions or comments?

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

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 140.2387° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 32.2382° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 119.65 km Depth of the event in kilometers.
Place 102km 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 2015-11-18 23:39:00 Time when the event occurred. UTC/GMT
Updated 2015-12-17 06:43:28 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 312 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 0.945 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us10003zuh Id of event.
Event Code 10003zuh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003zuh, A comma-separated list of event ids that are associated to an event.

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