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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Chichi-shima in Japan

Earthquake location 28.8933S, 140.744WA light earthquake with magnitude 4.3 (ml/mb) was reported 247 km NW of Chichi-shima, Japan (153 miles) on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 98.98 km (62 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 01/04/20 / 2020-04-01 01:53:21 / April 1, 2020 @ 1:53 am. The 4.3-magnitude earthquake was detected at 10:53:21 / 10:53 am (local time epicenter). Exact location of earthquake, longitude 140.744 East, latitude 28.8933 North, depth = 98.98 km. Event ids that are associated to the earthquake: us70008qhd. Id of event: us70008qhd.

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 nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 247 km NW of Chichi-shima, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.744° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.8933° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 98.98 km Depth of the event in kilometers.
Place 247km NW 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 2020-04-01 01:53:21 Time when the event occurred. UTC/GMT
Updated 2020-04-12 04:17:49 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 284 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 2.197 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 169 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 us70008qhd Id of event.
Event Code 70008qhd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008qhd, A comma-separated list of event ids that are associated to an event.

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