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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Ichihara in Japan


Earthquake location 35.541S, 140.0883WA light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, 2 kilometers (1 miles) from Ichihara in Japan. Exact location of event, depth 76 km, 140.0883° East, 35.541° North. Unique identifier: us70004j1q. Ids that are associated to the event: us70004j1q. The 4.4-magnitude earthquake was detected at 09:04:47 / 9:04 am (local time epicenter). Exact time and date of earthquake 04/07/19 / 2019-07-04 00:04:47 / July 4, 2019 @ 12:04 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 76 km (47 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Mito-shi, Ogawa, Tatebayashi (min 5000 pop). Event epicenter was 39 km (25 miles) from Tokyo (c. 8 336 600 pop), 42 km (26 miles) from Yokohama (c. 3 574 400 pop), 34 km (21 miles) from Kawasaki (c. 1 306 800 pop), 56 km (35 miles) from Saitama (c. 1 193 400 pop), 56 km (35 miles) from Yono (c. 1 077 700 pop), 8 km (5 miles) from Chiba (c. 919 700 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected).

In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days eleven and in the last 365 days fifty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

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. 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: 2 km N of Ichihara, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.0883° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.541° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76 km Depth of the event in kilometers.
Place 2km N of Ichihara, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-04 00:04:47 Time when the event occurred. UTC/GMT
Updated 2019-07-20 04:01:52 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 298 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 1.796 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 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 us70004j1q Id of event.
Event Code 70004j1q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70004j1q, A comma-separated list of event ids that are associated to an event.

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