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Light earthquake 4.8 mag, 36 km SSW of Tanaga Volcano, Alaska

Posted by admin on May 8, 2017 0 Comments

Earthquake location 51.581S, -178.3401WA light earthquake with magnitude 4.8 (ml/mb) was detected on Monday, 36 km SSW of Tanaga Volcano, Alaska (22 miles). Exact location, longitude -178.3401° West, latitude 51.581° North, depth = 29 km. The epicenter of the earthquake was roughly 29 km (18 miles) below the earth’s surface. The temblor was detected at 10:23:15 / 10:23 am (local time epicenter). Exact time and date of event in UTC/GMT: 08/05/17 / 2017-05-08 20:23:15 / May 8, 2017 @ 8:23 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak15994379. Unique identifier: ak15994379.

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 36 km SSW of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -178.3401° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.581° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29 km Depth of the event in kilometers.
Place 36km SSW of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-08 20:23:15 Time when the event occurred. UTC/GMT
Updated 2017-05-08 23:13:33 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 2.89 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 354 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak15994379 Id of event.
Event Code 15994379 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15994379, A comma-separated list of event ids that are associated to an event.

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