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Light earthquake: M4 quake has struck near Chichi-shima in Japan

Posted by admin on April 25, 2019 0 Comments

Earthquake location 26.4497S, 140.5687WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 178 km WSW of Chichi-shima, Japan (111 miles). Exact location of event, longitude 140.5687 East, latitude 26.4497 North, depth = 403.11 km. The temblor was picked up at 13:45:15 / 1:45 pm (local time epicenter). Id of earthquake: us70003arh. Event ids that are associated: us70003arh. The earthquake occurred at a depth of 403.11 km (250 miles) below the earth’s surface. Global date and time of event UTC/GMT: 14/04/19 / 2019-04-14 04:45:15 / April 14, 2019 @ 4:45 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 two, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 178 km WSW of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 140.5687° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 26.4497° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 403.11 km Depth of the event in kilometers.
Place 178km WSW 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 2019-04-14 04:45:15 Time when the event occurred. UTC/GMT
Updated 2019-04-25 04:35:30 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 1.581 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us70003arh Id of event.
Event Code 70003arh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003arh, A comma-separated list of event ids that are associated to an event.

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