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Moderate earthquake: M5.5 quake has struck near Kodiak in Alaska

Earthquake location 56.5333S, -148.5141WA moderate earthquake magnitude 5.5 (ml/mb) has struck on Tuesday, 273 km ESE of Kodiak, Alaska (170 miles). The temblor was detected at 14:04:48 / 2:04 pm (local time epicenter). Global date and time of event UTC/GMT: 24/01/18 / 2018-01-24 00:04:48 / January 24, 2018 @ 12:04 am. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, depth 10 km, -148.5141° West, 56.5333° North. A tsunami warning has been issued near Kodiak in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000cnh7. Ids that are associated to the event: at00p319k2, ak18191591, us2000cnh7.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been eighty-seven, in the last 10 days eighty-seven, in the past 30 days eighty-seven and in the last 365 days ninety-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1320 moderate quakes in the world.

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 273 km ESE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -148.5141° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.5333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 273km ESE 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 2018-01-24 00:04:48 Time when the event occurred. UTC/GMT
Updated 2018-01-24 06:12:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 2.7 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 1 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 466 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 ,at,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 2.546 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000cnh7 Id of event.
Event Code 2000cnh7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p319k2,ak18191591,us2000cnh7, A comma-separated list of event ids that are associated to an event.

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