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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.4 mag strikes near Tomakomai in Japan

Earthquake location 42.618S, 142.0556WA moderate earthquake magnitude 5.4 (ml/mb) has struck on Friday, 37 kilometers (23 miles) from Tomakomai in Japan. Exact time and date of event in UTC/GMT: 04/10/18 / 2018-10-04 23:58:48 / October 4, 2018 @ 11:58 pm. Exact location of event, longitude 142.0556 East, latitude 42.618 North, depth = 12.05 km. The epicenter of the earthquake was roughly 12.05 km (7 miles) below the earth’s surface. Event ids that are associated to the earthquake: us1000h7cn. Id of event: us1000h7cn. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 08:58:48 / 8:58 am (local time epicenter).

Epicenter of the event was 76 km (47 miles) from Sapporo (c. 1 883 000 pop), 37 km (23 miles) from Tomakomai (c. 174 800 pop), 100 km (62 miles) from Obihiro (c. 173 900 pop), 107 km (66 miles) from Otaru (c. 143 800 pop), 68 km (42 miles) from Ebetsu (c. 134 000 pop), 94 km (58 miles) from Muroran (c. 96 200 pop), 40 km (25 miles) from Chitose (c. 92 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Otaru, Takikawa, Akabira (min 5000 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days fourty-eight and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. 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: 37 km E of Tomakomai, Japan.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude 142.0556° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.618° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.05 km Depth of the event in kilometers.
Place 37km E 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 2018-10-04 23:58:48 Time when the event occurred. UTC/GMT
Updated 2018-10-05 00:26:38 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.1 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 450 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 1.015 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 33 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 us1000h7cn Id of event.
Event Code 1000h7cn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h7cn, A comma-separated list of event ids that are associated to an event.

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