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Minor earthquake 2.9 mag, 62 km SSE of Semisopochnoi Island, Alaska

Posted by admin on October 30, 2017 0 Comments

Earthquake location 51.4352S, 179.9618WA minor earthquake magnitude 2.9 (ml/mb) has struck on Sunday, 62 km SSE of Semisopochnoi Island, Alaska (39 miles). Unique identifier: us2000b1qf. Ids that are associated to the event: ak16960680, us2000b1qf. The earthquake occurred at a depth of 52.95 km (33 miles) below the earth’s surface. Exact time and date of earthquake 30/09/17 / 2017-09-30 16:21:32 / September 30, 2017 @ 4:21 pm UTC/GMT. The 2.9-magnitude earthquake has occurred at 04:21:32 / 4:21 am (local time epicenter). Exact location of event, depth 52.95 km, 179.9618° East, 51.4352° North.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days nine and in the last 365 days one hundred and twenty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 62 km SSE of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude 179.9618° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4352° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.95 km Depth of the event in kilometers.
Place 62km SSE 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 2017-09-30 16:21:32 Time when the event occurred. UTC/GMT
Updated 2017-10-30 15:15:20 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 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 129 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 ,ak,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 0.418 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000b1qf Id of event.
Event Code 2000b1qf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16960680,us2000b1qf, A comma-separated list of event ids that are associated to an event.

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