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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 105 km NE of Chichi-shima, Japan


Earthquake location 27.7755S, 142.9548WA light earthquake magnitude 4.4 (ml/mb) has struck on Friday, 105 km NE of Chichi-shima, Japan (65 miles). The 4.4-magnitude earthquake has occurred at 08:24:48 / 8:24 am (local time epicenter). Id of earthquake: us2000cpb6. Event ids that are associated: us2000cpb6. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 14.01 km (9 miles). Global date and time of event UTC/GMT: 11/01/18 / 2018-01-11 22:24:48 / January 11, 2018 @ 10:24 pm. Exact location of event, longitude 142.9548 East, latitude 27.7755 North, depth = 14.01 km.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days four and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 105 km NE of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 142.9548° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 27.7755° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.01 km Depth of the event in kilometers.
Place 105km NE of Chichi-shima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-11 22:24:48 Time when the event occurred. UTC/GMT
Updated 2018-02-04 00:06:39 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 0.963 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 164 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 us2000cpb6 Id of event.
Event Code 2000cpb6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cpb6, A comma-separated list of event ids that are associated to an event.

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