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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Tomakomai in Japan



Earthquake location 42.3931S, 141.8143WA light earthquake magnitude 4.2 (ml/mb) strikes 32 kilometers (20 miles) from Tomakomai in Japan on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 141.8143° East, latitude 42.3931° North, depth = 122.47 km. Global date and time of event UTC/GMT: 24/04/17 / 2017-04-24 07:14:09 / April 24, 2017 @ 7:14 am. Unique identifier: us10008k7q. Ids that are associated to the event: us10008k7q. The earthquake was roughly at a depth of 122.47 km (76 miles). The 4.2-magnitude earthquake was detected at 16:14:09 / 4:14 pm (local time epicenter).

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Iwamizawa, Sapporo, Ebetsu. Epicenter of the event was 84 km (52 miles) from Sapporo (c. 1 883 000 pop), 32 km (20 miles) from Tomakomai (c. 174 800 pop), 82 km (51 miles) from Ebetsu (c. 134 000 pop), 68 km (43 miles) from Muroran (c. 96 200 pop), 49 km (31 miles) from Chitose (c. 92 900 pop), 90 km (56 miles) from Iwamizawa (c. 85 100 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 one, in the past 30 days two and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 32 km SSE of Tomakomai, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 141.8143° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.3931° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 122.47 km Depth of the event in kilometers.
Place 32km SSE of Tomakomai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-24 07:14:09 Time when the event occurred. UTC/GMT
Updated 2017-04-24 09:36:36 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 271 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 1.066 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us10008k7q Id of event.
Event Code 10008k7q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008k7q, A comma-separated list of event ids that are associated to an event.

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