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Strong earthquake, 6.4 mag has occurred near Tsuruoka in Japan

Earthquake location 38.635S, 139.4538WA earthquake with magnitude 6.4 (ml/mb) was reported 33 kilometers (21 miles) from Tsuruoka in Japan on Tuesday. Event ids that are associated to the earthquake: us600042fx, pt19169001, at00ptaqha. Id of event: us600042fx. The temblor was picked up at 22:22:20 / 10:22 pm (local time epicenter). Exact location of event, longitude 139.4538 East, latitude 38.635 North, depth = 16.08 km. The earthquake occurred at a depth of 16.08 km (10 miles). Date and time of earthquake in UTC/GMT: 18/06/19 / 2019-06-18 13:22:20 / June 18, 2019 @ 1:22 pm. A tsunami warning has been issued near Tsuruoka in Japan (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 130 km (81 miles) from Sendai (c. 1 063 100 pop), 130 km (81 miles) from Sendai-shi (c. 1 063 100 pop), 90 km (56 miles) from Niigata-shi (c. 505 300 pop), 91 km (56 miles) from Yamagata-shi (c. 254 500 pop), 47 km (29 miles) from Sakata (c. 100 400 pop), 33 km (21 miles) from Tsuruoka (c. 99 800 pop), 99 km (62 miles) from Yonezawa (c. 94 500 pop), 121 km (75 miles) from Sanjō (c. 82 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sendai-shi, Sendai, Ōkawara.

Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. Each year there are an estimated 135 earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. 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: 33 km WSW of Tsuruoka, Japan.

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More information

Parameter Value Description
Magnitude 6.4 mb The magnitude for the event.
Longitude 139.4538° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.635° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.08 km Depth of the event in kilometers.
Place 33km WSW of Tsuruoka, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-06-18 13:22:20 Time when the event occurred. UTC/GMT
Updated 2019-06-18 13:45:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 4.2 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 1 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 631 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,pt,at, 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 1.3 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 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 mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us600042fx Id of event.
Event Code 600042fx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600042fx,pt19169001,at00ptaqha, A comma-separated list of event ids that are associated to an event.

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