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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Yonakuni in Japan


Earthquake location 24.4109S, 123.4189WA light earthquake magnitude 4.4 (ml/mb) has struck on Wednesday, 42 kilometers (26 miles) from Yonakuni in Japan. The epicenter of the earthquake was roughly 18.89 km (12 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 123.4189° East, latitude 24.4109° North, depth = 18.89 km. Id of earthquake: us6000dcnz. Event ids that are associated: us6000dcnz. Date and time of earthquake in UTC/GMT: 20/01/21 / 2021-01-20 21:02:53 / January 20, 2021 @ 9:02 pm. The 4.4-magnitude earthquake was detected at 21:02:53 / 9:02 pm (local time epicenter).

Epicenter of the event was 75 km (47 miles) from Ishigaki (c. 44 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ishigaki. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

There are an estimated 13,000 light quakes 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 three, in the last 10 days three, in the past 30 days three and in the last 365 days eighty-six earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 42 km E of Yonakuni, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 123.4189° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.4109° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.89 km Depth of the event in kilometers.
Place 42 km E of Yonakuni, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-20 21:02:53 Time when the event occurred. UTC/GMT
Updated 2021-01-31 03:15:54 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 298 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 0.375 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 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 us6000dcnz Id of event.
Event Code 6000dcnz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dcnz, A comma-separated list of event ids that are associated to an event.

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