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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Ishinomaki in Japan



Earthquake location 37.658S, 143.7519WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 231 km ESE of Ishinomaki, Japan (144 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 15/03/17 / 2017-03-15 12:52:17 / March 15, 2017 @ 12:52 pm. The temblor was detected at 22:52:17 / 10:52 pm (local time epicenter). Exact location, longitude 143.7519° East, latitude 37.658° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us20008s9t. Ids that are associated to the event: us20008s9t.

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

Did you feel the quake?

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: 231 km ESE of Ishinomaki, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 143.7519° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 231km ESE of Ishinomaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-15 12:52:17 Time when the event occurred. UTC/GMT
Updated 2017-04-13 06:27:52 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 2.357 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us20008s9t Id of event.
Event Code 20008s9t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008s9t, A comma-separated list of event ids that are associated to an event.

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