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Minor earthquake: M3.3 quake has struck near Kodiak in Alaska


Earthquake location 55.7402S, -149.2761WA minor earthquake magnitude 3.3 (ml/mb) strikes 297 km SE of Kodiak, Alaska (185 miles) on Tuesday. Date and time of earthquake in UTC/GMT: 23/04/19 / 2019-04-23 20:59:39 / April 23, 2019 @ 8:59 pm. The epicenter of the earthquake was roughly 8.76 km (5 miles) below the earth’s surface. The temblor was reported at 10:59:39 / 10:59 am (local time epicenter). Id of earthquake: us70003azl. Event ids that are associated: ak0195788f9a, us70003azl. Exact location of event, longitude -149.2761 West, latitude 55.7402 North, depth = 8.76 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days twenty-four and in the last 365 days eight hundred and ninety-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 297 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -149.2761° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.7402° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.76 km Depth of the event in kilometers.
Place 297km 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 2019-04-23 20:59:39 Time when the event occurred. UTC/GMT
Updated 2019-04-24 18:50:50 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 168 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 2.675 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 244 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 us70003azl Id of event.
Event Code 70003azl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0195788f9a,us70003azl, A comma-separated list of event ids that are associated to an event.

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