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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 228 km SE of Kamaishi, Japan


Earthquake location 37.9493S, 143.9065WA light earthquake magnitude 4.5 (ml/mb) has occurred on Thursday, 228 km SE of Kamaishi, Japan (142 miles). Global date and time of event UTC/GMT: 02/09/15 / 2015-09-02 16:35:12 / September 2, 2015 @ 4:35 pm. The temblor was picked up at 02:35:12 / 2:35 am (local time epicenter). All ids that are associated to the event: us20003jn0. Unique identifier: us20003jn0. Exact location of earthquake, 143.9065° East, 37.9493° North, depth 28.75 km. 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 28.75 km (18 miles) below the earth’s surface.

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

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. 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: 228 km SE of Kamaishi, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 143.9065° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.9493° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28.75 km Depth of the event in kilometers.
Place 228km SE of Kamaishi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-02 16:35:12 Time when the event occurred. UTC/GMT
Updated 2015-09-24 00:21:48 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 312 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 2.466 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 146 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 us20003jn0 Id of event.
Event Code 20003jn0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003jn0, A comma-separated list of event ids that are associated to an event.

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