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Light earthquake: M4.2 quake has struck near Healy in Alaska

Posted by admin on September 25, 2019 0 Comments

Earthquake location 63.7533S, -149.2175WA light earthquake magnitude 4.2 (ml/mb) has struck on Wednesday, 16 km SW of Healy, Alaska (10 miles). The epicenter of the earthquake was roughly 6.7 km (4 miles) below the earth’s surface. Exact location of earthquake, longitude -149.2175 West, latitude 63.7533 North, depth = 6.7 km. Date and time of earthquake in UTC/GMT: 25/09/19 / 2019-09-25 13:45:13 / September 25, 2019 @ 1:45 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 04:45:13 / 4:45 am (local time epicenter). Id of earthquake: ak019cbg1bgz. Event ids that are associated: ak019cbg1bgz, us70005l4p.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 16 km SW of Healy, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -149.2175° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 63.7533° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.7 km Depth of the event in kilometers.
Place 16km SW of Healy, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-25 13:45:13 Time when the event occurred. UTC/GMT
Updated 2019-09-25 13:54:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 4.33 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 automatic 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 273 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,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 0.78 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 ak019cbg1bgz Id of event.
Event Code 019cbg1bgz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019cbg1bgz,us70005l4p, A comma-separated list of event ids that are associated to an event.

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