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Light earthquake 4.5 mag, 1 km ESE of Tochio-honchō, Japan

Earthquake location 37.4727S, 139.0145WA light earthquake magnitude 4.5 (ml/mb) strikes 1 kilometers (1 miles) from Tochio-honchō in Japan on Sunday. Event id: us6000crhk. Ids that are associated to the earthquake: us6000crhk. Date and time of earthquake in UTC/GMT: 22/11/20 / 2020-11-22 17:57:39 / November 22, 2020 @ 5:57 pm. Exact location of event, longitude 139.0145 East, latitude 37.4727 North, depth = 170.65 km. The temblor was detected at 17:57:39 / 5:57 pm (local time epicenter). The epicenter was at a depth of 170.65 km (106 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 48 km (30 miles) from Niigata-shi (c. 505 300 pop), 78 km (48 miles) from Jōetsu (c. 204 100 pop), 15 km (9 miles) from Nagaoka (c. 195 300 pop), 43 km (27 miles) from Kashiwazaki (c. 86 200 pop), 17 km (11 miles) from Sanjō (c. 82 900 pop), 60 km (37 miles) from Shibata (c. 80 800 pop), 38 km (23 miles) from Niitsu-honchō (c. 65 900 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Murakami, Numata, Iiyama.

There are an estimated 13,000 light quakes in the world each year. 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 five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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: 1 km ESE of Tochio-honchō, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 139.0145° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.4727° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 170.65 km Depth of the event in kilometers.
Place 1 km ESE of Tochio-honchō, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-11-22 17:57:39 Time when the event occurred. UTC/GMT
Updated 2020-11-22 18:47:20 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 1.13 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 118 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 us6000crhk Id of event.
Event Code 6000crhk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000crhk, A comma-separated list of event ids that are associated to an event.

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