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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Hotaka in Japan


Earthquake location 36.2758S, 137.6351WA light earthquake with magnitude 4.3 (ml/mb) was reported 23 kilometers (14 miles) from Hotaka in Japan on Monday. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 137.6351 East, latitude 36.2758 North, depth = 10 km. Exact time and date of event in UTC/GMT: 27/04/20 / 2020-04-27 02:32:19 / April 27, 2020 @ 2:32 am. The 4.3-magnitude earthquake was detected at 11:32:19 / 11:32 am (local time epicenter). Unique identifier: us700097qa. Ids that are associated to the event: us700097qa.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tsurugi-asahimachi, Iiyama, Tsubata. Close country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the event was 64 km (40 miles) from Nagano-shi (c. 360 200 pop), 60 km (37 miles) from Toyama-shi (c. 325 500 pop), 30 km (19 miles) from Matsumoto (c. 210 700 pop), 76 km (47 miles) from Takaoka (c. 170 100 pop), 60 km (37 miles) from Ueda (c. 126 600 pop), 86 km (53 miles) from Iida (c. 107 100 pop).

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

Did you feel anything?

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. 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: 23 km WSW of Hotaka, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 137.6351° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.2758° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 23km WSW of Hotaka, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-27 02:32:19 Time when the event occurred. UTC/GMT
Updated 2020-04-30 23:14:06 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 284 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 0.532 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 90 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 us700097qa Id of event.
Event Code 700097qa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700097qa, A comma-separated list of event ids that are associated to an event.

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