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Minor earthquake 2.8 mag, 273 km SE of Kodiak, Alaska

Posted by admin on February 15, 2018 0 Comments

Earthquake location 56.3604S, -148.7475WA minor earthquake with magnitude 2.8 (ml/mb) was reported 273 km SE of Kodiak, Alaska (170 miles) on Saturday. The epicenter of the earthquake was roughly 22.25 km (14 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 28/01/18 / 2018-01-28 00:36:42 / January 28, 2018 @ 12:36 am. Exact location, longitude -148.7475° West, latitude 56.3604° North, depth = 22.25 km. The 2.8-magnitude earthquake was detected at 14:36:42 / 2:36 pm (local time epicenter). Event ids that are associated to the earthquake: ak18360040, us1000ch43. Id of event: us1000ch43.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been seven hundred and ten, in the last 10 days one thousand, six hundred and two, in the past 30 days one thousand, six hundred and two and in the last 365 days one thousand, six hundred and six earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 273 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -148.7475° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3604° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.25 km Depth of the event in kilometers.
Place 273km 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 2018-01-28 00:36:42 Time when the event occurred. UTC/GMT
Updated 2018-02-15 05:57:12 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 2.533 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us1000ch43 Id of event.
Event Code 1000ch43 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18360040,us1000ch43, A comma-separated list of event ids that are associated to an event.

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