Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Adak in Alaska


Earthquake location 51.1737S, -176.3278WA light earthquake with magnitude 4 (ml/mb) was detected on Tuesday, 81 km SSE of Adak, Alaska (50 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak15703422, us10008flg. Id of event: us10008flg. The temblor was picked up at 02:13:16 / 2:13 am (local time epicenter). The earthquake occurred at a depth of 19.8 km (12 miles) below the earth’s surface. Exact location of event, longitude -176.3278 West, latitude 51.1737 North, depth = 19.8 km. Global time and date of event 04/04/17 / 2017-04-04 14:13:16 / April 4, 2017 @ 2:13 pm UTC/GMT.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been thirty-two, in the last 10 days thirty-three, in the past 30 days thirty-seven and in the last 365 days one hundred and fifty earthquakes of magnitude 3.0 or greater that have been detected 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: 81 km SSE of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

Copyright © 2017 earthquakenewstoday.com All rights reserved.


More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -176.3278° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1737° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.8 km Depth of the event in kilometers.
Place 81km SSE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-04 14:13:16 Time when the event occurred. UTC/GMT
Updated 2017-04-18 19:08:50 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 246 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008flg Id of event.
Event Code 10008flg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15703422,us10008flg, A comma-separated list of event ids that are associated to an event.

Leave a Reply