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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Shikoku in Japan


Earthquake location 31.9941S, 132.1035WA light earthquake magnitude 4.6 (ml/mb) strikes southeast of Shikoku, Japan kilometers (0 miles) from Shikoku in Japan on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 27/03/19 / 2019-03-27 00:40:00 / March 27, 2019 @ 12:40 am. The 4.6-magnitude earthquake was detected at 00:40:00 / 12:40 am (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us2000ka4s. Id of event: us2000ka4s. Exact location of earthquake, 132.1035° East, 31.9941° North, depth 10 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Nichinan, Nobeoka, Tsuma. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 65 km (40 miles) from Miyazaki-shi (c. 311 200 pop), 77 km (48 miles) from Nobeoka (c. 121 900 pop), 82 km (51 miles) from Nichinan (c. 44 200 pop), 67 km (42 miles) from Tsuma (c. 34 300 pop), 59 km (37 miles) from Takanabe (c. 22 500 pop).

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 eight earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: southeast of Shikoku, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 132.1035° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.9941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place southeast of Shikoku, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-03-27 00:40:00 Time when the event occurred. UTC/GMT
Updated 2019-04-05 04:02:16 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 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 1.531 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us2000ka4s Id of event.
Event Code 2000ka4s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ka4s, A comma-separated list of event ids that are associated to an event.

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