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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Ryugasaki in Japan



Earthquake location 35.8732S, 140.2009WA light earthquake magnitude 4.2 (ml/mb) strikes 3 kilometers (2 miles) from Ryugasaki in Japan on Monday. The earthquake occurred at a depth of 73.43 km (46 miles). All ids that are associated to the event: us20009pal. Unique identifier: us20009pal. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 19/06/17 / 2017-06-19 14:42:42 / June 19, 2017 @ 2:42 pm UTC/GMT. The 4.2-magnitude earthquake was detected at 23:42:42 / 11:42 pm (local time epicenter). Exact location of event, depth 73.43 km, 140.2009° East, 35.8732° North.

Country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Ujiie, Itsukaichi, Atsugi (min 5000 pop). Earthquake epicenter was 50 km (31 miles) from Tokyo (c. 8 336 600 pop), 69 km (43 miles) from Yokohama (c. 3 574 400 pop), 59 km (36 miles) from Kawasaki (c. 1 306 800 pop), 49 km (31 miles) from Saitama (c. 1 193 400 pop), 51 km (32 miles) from Yono (c. 1 077 700 pop), 31 km (19 miles) from Chiba (c. 919 700 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days eight and in the last 365 days eighty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

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: 3 km SSE of Ryugasaki, 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 140.2009° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.8732° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 73.43 km Depth of the event in kilometers.
Place 3km SSE of Ryugasaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-19 14:42:42 Time when the event occurred. UTC/GMT
Updated 2017-07-02 18:32:39 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 1.748 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us20009pal Id of event.
Event Code 20009pal An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009pal, A comma-separated list of event ids that are associated to an event.

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