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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Nago in Japan


Earthquake location 27.3515S, 128.3476WA light earthquake magnitude 4.5 (ml/mb) has struck on Wednesday, 92 kilometers (57 miles) from Nago in Japan. Id of earthquake: us70006u77. Event ids that are associated: us70006u77. The epicenter of the earthquake was roughly 35 km (22 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 128.3476° East, latitude 27.3515° North, depth = 35 km. Exact time and date of earthquake 17/12/19 / 2019-12-17 23:35:16 / December 17, 2019 @ 11:35 pm UTC/GMT. The 4.5-magnitude earthquake was detected at 08:35:16 / 8:35 am (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Nago. Earthquake epicenter was 89 km (56 miles) from Nago (c. 59 600 pop). Country/countries that might be effected, Japan (c. 127 288 000 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 four and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 92 km NNE of Nago, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 128.3476° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 27.3515° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 92km NNE of Nago, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-12-17 23:35:16 Time when the event occurred. UTC/GMT
Updated 2020-01-08 03:57:36 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 0.517 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us70006u77 Id of event.
Event Code 70006u77 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006u77, A comma-separated list of event ids that are associated to an event.

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