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Minor earthquake, 2.8 mag strikes near Kodiak in Alaska

Earthquake location 56.2771S, -149.3211WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Wednesday, 251 km SE of Kodiak, Alaska (156 miles). Event id: us1000e0qf. Ids that are associated to the earthquake: ak19304697, us1000e0qf. The epicenter of the earthquake was roughly 22.12 km (14 miles) below the earth’s surface. The temblor was reported at 19:26:27 / 7:26 pm (local time epicenter). Exact location, longitude -149.3211° West, latitude 56.2771° North, depth = 22.12 km. Exact time and date of event in UTC/GMT: 03/05/18 / 2018-05-03 05:26:27 / May 3, 2018 @ 5:26 am.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one hundred and fourty-two, in the last 10 days two hundred and thirty-five, in the past 30 days four hundred and twenty-eight and in the last 365 days three thousand, five hundred and sixty-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 251 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 -149.3211° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2771° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.12 km Depth of the event in kilometers.
Place 251km 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 2018-05-03 05:26:27 Time when the event occurred. UTC/GMT
Updated 2018-05-31 06:56:29 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 2.336 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 182 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 us1000e0qf Id of event.
Event Code 1000e0qf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19304697,us1000e0qf, A comma-separated list of event ids that are associated to an event.

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