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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Izu Islands, Japan region


Earthquake location 30.0487S, 138.8482WA light earthquake magnitude 4.3 (ml/mb) has occurred on Saturday, Izu Islands, Japan region (0 miles). The temblor was picked up at 11:55:59 / 11:55 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us7000d2ns. Ids that are associated to the earthquake: us7000d2ns. Global time and date of event 23/01/21 / 2021-01-23 11:55:59 / January 23, 2021 @ 11:55 am UTC/GMT. The earthquake occurred at a depth of 409.5 km (254 miles). Exact location of earthquake, longitude 138.8482 East, latitude 30.0487 North, depth = 409.5 km.

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

Did you feel the quake?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Izu Islands, Japan region. This information 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 138.8482° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 30.0487° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 409.5 km Depth of the event in kilometers.
Place Izu Islands, Japan region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-23 11:55:59 Time when the event occurred. UTC/GMT
Updated 2021-01-26 14:41:22 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 3.166 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 100 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 us7000d2ns Id of event.
Event Code 7000d2ns An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000d2ns, A comma-separated list of event ids that are associated to an event.

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