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Light earthquake, 4 mag was detected near Chichi-shima in Japan

Posted by admin on July 9, 2017 0 Comments

Earthquake location 26.8752S, 140.4453WA light earthquake with magnitude 4 (ml/mb) was reported 177 km W of Chichi-shima, Japan (110 miles) on Sunday. Exact location of earthquake, longitude 140.4453 East, latitude 26.8752 North, depth = 463.01 km. 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: 09/07/17 / 2017-07-09 13:57:36 / July 9, 2017 @ 1:57 pm. The 4-magnitude earthquake was detected at 22:57:36 / 10:57 pm (local time epicenter). The earthquake occurred at a depth of 463.01 km (288 miles). Event id: us100098dg. Ids that are associated to the earthquake: us100098dg.

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

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 177 km W of Chichi-shima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 140.4453° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 26.8752° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 463.01 km Depth of the event in kilometers.
Place 177km W 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 2017-07-09 13:57:36 Time when the event occurred. UTC/GMT
Updated 2017-07-09 15:04:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 246 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 1.567 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us100098dg Id of event.
Event Code 100098dg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100098dg, A comma-separated list of event ids that are associated to an event.

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