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Minor earthquake 3.4 mag, 45 km S of Redoubt Volcano, Alaska


Earthquake location 60.0798S, -152.5886WA minor earthquake magnitude 3.4 (ml/mb) has struck on Tuesday, 45 kilometers (28 miles) from Redoubt Volcano in Alaska. Date and time of earthquake in UTC/GMT: 18/12/18 / 2018-12-18 09:00:34 / December 18, 2018 @ 9:00 am. Exact location of event, depth 87.5 km, -152.5886° West, 60.0798° North. The 3.4-magnitude earthquake has occurred at 00:00:34 / 12:00 am (local time epicenter). The earthquake was roughly at a depth of 87.5 km (54 miles). Event ids that are associated to the earthquake: ak20522026. Id of event: ak20522026.

Nearest cities/city/towns to hypocenter/epicentrum was Kalifornsky, Homer (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 81 km (50 miles) from Kalifornsky (c. 7 900 pop), 76 km (47 miles) from Homer (c. 5 000 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seven and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel the quake?

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. 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: 45 km S of Redoubt Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -152.5886° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.0798° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 87.5 km Depth of the event in kilometers.
Place 45km S of Redoubt 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 2018-12-18 09:00:34 Time when the event occurred. UTC/GMT
Updated 2018-12-18 09:07:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 178 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, 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 0.62 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 ak20522026 Id of event.
Event Code 20522026 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20522026, A comma-separated list of event ids that are associated to an event.

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