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Minor earthquake: M2.9 quake has struck near Tanaga Volcano in Alaska


Earthquake location 51.4795S, -178.412WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Monday, 48 km SSW of Tanaga Volcano, Alaska (30 miles). The 2.9-magnitude earthquake was detected at 14:43:28 / 2:43 pm (local time epicenter). Event id: us10008v0i. Ids that are associated to the earthquake: ak16000358, us10008v0i. The earthquake occurred at a depth of 11.99 km (7 miles) below the earth’s surface. Exact location of earthquake, longitude -178.412 West, latitude 51.4795 North, depth = 11.99 km. Exact time and date of event in UTC/GMT: 09/05/17 / 2017-05-09 00:43:28 / May 9, 2017 @ 12:43 am.

In the past 24 hours, there have been four hundred and twenty-seven, in the last 10 days five hundred and fifteen, in the past 30 days five hundred and twenty and in the last 365 days six hundred and fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 48 km SSW of Tanaga Volcano, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -178.412° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4795° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.99 km Depth of the event in kilometers.
Place 48km 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 2017-05-09 00:43:28 Time when the event occurred. UTC/GMT
Updated 2017-06-03 03:43:37 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 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 0.368 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us10008v0i Id of event.
Event Code 10008v0i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16000358,us10008v0i, A comma-separated list of event ids that are associated to an event.

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