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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Chitose in Japan


Earthquake location 42.7789S, 141.6263WA light earthquake magnitude 4.4 (ml/mb) strikes 4 kilometers (2 miles) from Chitose in Japan on Tuesday. The 4.4-magnitude earthquake has occurred at 02:05:26 / 2:05 am (local time epicenter). Id of earthquake: us1000bmdh. Event ids that are associated: us1000bmdh. Exact location of earthquake, longitude 141.6263 East, latitude 42.7789 North, depth = 126.64 km. Exact time and date of earthquake 27/11/17 / 2017-11-27 17:05:26 / November 27, 2017 @ 5:05 pm UTC/GMT. The earthquake was roughly at a depth of 126.64 km (79 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/towns to hypocenter/epicentrum was Iwanai, Ashibetsu, Akabira (min 5000 pop). Epicenter of the earthquake was 39 km (24 miles) from Sapporo (c. 1 883 000 pop), 16 km (10 miles) from Tomakomai (c. 174 800 pop), 68 km (42 miles) from Otaru (c. 143 800 pop), 37 km (23 miles) from Ebetsu (c. 134 000 pop), 73 km (46 miles) from Muroran (c. 96 200 pop), 5 km (3 miles) from Chitose (c. 92 900 pop). Close 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 two, in the last 10 days three, in the past 30 days four and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 4 km SSW of Chitose, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 141.6263° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7789° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 126.64 km Depth of the event in kilometers.
Place 4km SSW of Chitose, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-27 17:05:26 Time when the event occurred. UTC/GMT
Updated 2017-12-20 23:13:43 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 298 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 1.367 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 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 us1000bmdh Id of event.
Event Code 1000bmdh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bmdh, A comma-separated list of event ids that are associated to an event.

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