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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Chichi-shima in Japan


Earthquake location 26.2802S, 142.8076WA light earthquake with magnitude 4.5 (ml/mb) was reported 106 km SSE of Chichi-shima, Japan (66 miles) on Wednesday. Exact location of earthquake, longitude 142.8076 East, latitude 26.2802 North, depth = 38.63 km. Unique identifier: us20004gg4. Ids that are associated to the event: us20004gg4. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 09/12/15 / 2015-12-09 00:05:10 / December 9, 2015 @ 12:05 am. The 4.5-magnitude earthquake was detected at 10:05:10 / 10:05 am (local time epicenter). The earthquake occurred at a depth of 38.63 km (24 miles) below the earth’s surface.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days seven and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 106 km SSE of Chichi-shima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 142.8076° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 26.2802° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.63 km Depth of the event in kilometers.
Place 106km SSE of Chichi-shima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-09 00:05:10 Time when the event occurred. UTC/GMT
Updated 2015-12-18 03:59:34 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 0.985 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 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 us20004gg4 Id of event.
Event Code 20004gg4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004gg4, A comma-separated list of event ids that are associated to an event.

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