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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Tateyama in Japan


Earthquake location 34.6052S, 140.2968WA light earthquake magnitude 4.2 (ml/mb) strikes 57 kilometers (35 miles) from Tateyama in Japan on Wednesday. Global time and date of event 04/09/18 / 2018-09-04 15:54:46 / September 4, 2018 @ 3:54 pm UTC/GMT. The epicenter was at a depth of 54.84 km (34 miles). Exact location of earthquake, longitude 140.2968 East, latitude 34.6052 North, depth = 54.84 km. The 4.2-magnitude earthquake was detected at 00:54:46 / 12:54 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000hdgk. Event ids that are associated: us2000hdgk.

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 92 km (57 miles) from Kisarazu (c. 122 500 pop), 90 km (56 miles) from Mobara (c. 97 300 pop), 88 km (55 miles) from Kimitsu (c. 92 100 pop), 89 km (55 miles) from Futtsu (c. 51 700 pop), 86 km (53 miles) from Miura (c. 51 500 pop), 58 km (36 miles) from Tateyama (c. 50 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Kisarazu, Mobara, Futtsu (min 5000 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 two, in the past 30 days five and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 57 km SE of Tateyama, 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 140.2968° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.6052° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54.84 km Depth of the event in kilometers.
Place 57km SE of Tateyama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-04 15:54:46 Time when the event occurred. UTC/GMT
Updated 2018-09-19 13:23:29 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 1.539 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us2000hdgk Id of event.
Event Code 2000hdgk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hdgk, A comma-separated list of event ids that are associated to an event.

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