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Minor earthquake 2.8 mag, 240 km SE of Kodiak, Alaska


Earthquake location 55.9951S, -150.2263WA minor earthquake with magnitude 2.8 (ml/mb) was reported 240 km SE of Kodiak, Alaska (149 miles) on Wednesday. Event ids that are associated to the earthquake: ak20306611, us1000hq3r. Id of event: us1000hq3r. Exact location of earthquake, -150.2263° West, 55.9951° North, depth 26.35 km. The earthquake occurred at a depth of 26.35 km (16 miles). Date and time of earthquake in UTC/GMT: 31/10/18 / 2018-10-31 13:39:42 / October 31, 2018 @ 1:39 pm. The 2.8-magnitude earthquake has occurred at 03:39:42 / 3:39 am (local time epicenter).

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been twenty-six, in the last 10 days fourty-six, in the past 30 days ninety-one and in the last 365 days three thousand, six hundred and eighty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 240 km SE of Kodiak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -150.2263° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.9951° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.35 km Depth of the event in kilometers.
Place 240km SE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-31 13:39:42 Time when the event occurred. UTC/GMT
Updated 2018-11-28 07:03:01 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 121 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 2.092 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226 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 us1000hq3r Id of event.
Event Code 1000hq3r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20306611,us1000hq3r, A comma-separated list of event ids that are associated to an event.

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