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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Izu Islands, Japan region



Earthquake location 30.3237S, 137.477WA light earthquake magnitude 4 (ml/mb) has struck on Thursday, Izu Islands, Japan region (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us10008srq. Ids that are associated to the event: us10008srq. The 4-magnitude earthquake was detected at 07:11:22 / 7:11 am (local time epicenter). Exact time and date of event in UTC/GMT: 10/05/17 / 2017-05-10 22:11:22 / May 10, 2017 @ 10:11 pm. Exact location of earthquake, longitude 137.477 East, latitude 30.3237 North, depth = 479.4 km. The epicenter of the earthquake was roughly 479.4 km (298 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 one, in the last 10 days one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: Izu Islands, Japan region. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 137.477° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 30.3237° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 479.4 km Depth of the event in kilometers.
Place Izu Islands, Japan region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-10 22:11:22 Time when the event occurred. UTC/GMT
Updated 2017-05-26 03:18:29 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 246 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 3.41 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us10008srq Id of event.
Event Code 10008srq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008srq, A comma-separated list of event ids that are associated to an event.

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