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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Ishigaki in Japan

Earthquake location 24.0988S, 124.0066WA light earthquake magnitude 4.4 (ml/mb) strikes 31 kilometers (19 miles) from Ishigaki in Japan on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 31/03/20 / 2020-03-31 19:47:53 / March 31, 2020 @ 7:47 pm. Exact location of event, depth 46.86 km, 124.0066° East, 24.0988° North. All ids that are associated to the event: us70008mta. Unique identifier: us70008mta. The 4.4-magnitude earthquake was detected at 03:47:53 / 3:47 am (local time epicenter). The earthquake occurred at a depth of 46.86 km (29 miles) below the earth’s surface.

Earthquake epicenter was 31 km (19 miles) from Ishigaki (c. 44 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ishigaki. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

In the past 24 hours, there have been two, in the last 10 days six, in the past 30 days six and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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. 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: 31 km SSW of Ishigaki, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 124.0066° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.0988° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.86 km Depth of the event in kilometers.
Place 31km SSW of Ishigaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-31 19:47:53 Time when the event occurred. UTC/GMT
Updated 2020-04-29 21:12:57 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 0.979 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 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 us70008mta Id of event.
Event Code 70008mta An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008mta, A comma-separated list of event ids that are associated to an event.

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