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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Shizunai in Japan



Earthquake location 42.5138S, 142.7227WA light earthquake with magnitude 4 (ml/mb) was reported 35 kilometers (22 miles) from Shizunai in Japan on Friday. Id of earthquake: us10004anj. Event ids that are associated: us10004anj. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 89.9 km (56 miles) below the earth’s surface. Exact location of earthquake, longitude 142.7227 East, latitude 42.5138 North, depth = 89.9 km. Exact time and date of event in UTC/GMT: 01/01/16 / 2016-01-01 00:37:58 / January 1, 2016 @ 12:37 am. The temblor was detected at 09:37:58 / 9:37 am (local time epicenter).

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 60 km (37 miles) from Obihiro (c. 173 900 pop), 66 km (41 miles) from Otofuke (c. 40 900 pop), 35 km (22 miles) from Shizunai-furukawachō (c. 22 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Otofuke, Obihiro, Shizunai-furukawachō.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 35 km NE of Shizunai, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 142.7227° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.5138° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 89.9 km Depth of the event in kilometers.
Place 35km NE of Shizunai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-01-01 00:37:58 Time when the event occurred. UTC/GMT
Updated 2016-01-30 03:31:41 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 246 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 0.593 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 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 us10004anj Id of event.
Event Code 10004anj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004anj, A comma-separated list of event ids that are associated to an event.

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