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Light earthquake, 4.6 mag has occurred near Chichi-shima in Japan

Posted by admin on February 20, 2020 0 Comments

Earthquake location 26.9494S, 143.722WA light earthquake magnitude 4.6 (ml/mb) strikes 150 km E of Chichi-shima, Japan (93 miles) on Thursday. Unique identifier: us70007tc3. Ids that are associated to the event: us70007tc3. The 4.6-magnitude earthquake was detected at 10:48:11 / 10:48 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 20/02/20 / 2020-02-20 00:48:11 / February 20, 2020 @ 12:48 am. Exact location, longitude 143.722° East, latitude 26.9494° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 one, in the past 30 days two and in the last 365 days nine 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.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 150 km E of Chichi-shima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 143.722° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 26.9494° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 150km E 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 2020-02-20 00:48:11 Time when the event occurred. UTC/GMT
Updated 2020-02-20 04:45:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 326 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 1.379 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us70007tc3 Id of event.
Event Code 70007tc3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007tc3, A comma-separated list of event ids that are associated to an event.

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