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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Shikoku, Japan

Earthquake location 32.7439S, 132.1239WA light earthquake magnitude 4.5 (ml/mb) has struck on Friday, Shikoku, Japan kilometers (0 miles) from Shikoku, Japan. Exact location of event, longitude 132.1239 East, latitude 32.7439 North, depth = 49.47 km. The earthquake occurred at a depth of 49.47 km (31 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 19:57:04 / 7:57 pm (local time epicenter). Event id: us6000c1id. Ids that are associated to the earthquake: us6000c1id. Global time and date of event 25/09/20 / 2020-09-25 19:57:04 / September 25, 2020 @ 7:57 pm UTC/GMT.

The epicenter was 73 km (45 miles) from Ōita (c. 448 900 pop), 83 km (52 miles) from Beppu (c. 125 100 pop), 46 km (29 miles) from Nobeoka (c. 121 900 pop), 69 km (43 miles) from Tsurusaki (c. 77 000 pop), 67 km (42 miles) from Uwajima (c. 59 000 pop), 31 km (19 miles) from Saiki (c. 49 100 pop), 93 km (58 miles) from Ōzu (c. 38 800 pop). Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Ōzu, Takanabe, Hiji (min 5000 pop).

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

How would you describe the shaking?

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: Shikoku, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 132.1239° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 32.7439° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.47 km Depth of the event in kilometers.
Place 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 2020-09-25 19:57:04 Time when the event occurred. UTC/GMT
Updated 2020-10-24 21:29:59 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 312 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 1.768 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.02 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us6000c1id Id of event.
Event Code 6000c1id An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c1id, A comma-separated list of event ids that are associated to an event.

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