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Light earthquake: M4 quake has struck near Semisopochnoi Island in Alaska

Posted by admin on July 10, 2016 0 Comments

Earthquake location 51.2087S, 179.1901WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 87 km SSW of Semisopochnoi Island, Alaska (54 miles). The earthquake occurred at a depth of 60.49 km (38 miles) below the earth’s surface. The temblor was detected at 10:02:50 / 10:02 am (local time epicenter). Exact location of earthquake, 179.1901° East, 51.2087° North, depth 60.49 km. Event id: us100062fe. Ids that are associated to the earthquake: us100062fe. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 10/07/16 / 2016-07-10 19:02:50 / July 10, 2016 @ 7:02 pm.

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

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 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: 87 km SSW of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 179.1901° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2087° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 60.49 km Depth of the event in kilometers.
Place 87km SSW of Semisopochnoi Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-10 19:02:50 Time when the event occurred. UTC/GMT
Updated 2016-07-10 19:19:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 0.182 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 us100062fe Id of event.
Event Code 100062fe An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100062fe, A comma-separated list of event ids that are associated to an event.

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