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Light earthquake 4.6 mag, 235 km SW of Port Hardy, Canada


Earthquake location 48.996S, -129.356WA light earthquake with magnitude 4.6 (ml/mb) was detected on Monday, 235 km SW of Port Hardy, Canada (146 miles). Exact location of earthquake, -129.356° West, 48.996° North, depth 11 km. A tsunami warning has been issued near Port Hardy in Canada (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 22/10/18 / 2018-10-22 16:26:59 / October 22, 2018 @ 4:26 pm. Event ids that are associated to the earthquake: at00ph0doz. Id of event: at00ph0doz. The temblor was picked up at 07:26:59 / 7:26 am (local time epicenter). The earthquake occurred at a depth of 11 km (7 miles).

In the past 24 hours, there have been nine, in the last 10 days nine, in the past 30 days nine and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

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: 235 km SW of Port Hardy, Canada.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -129.356° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 48.996° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 235km SW of Port Hardy, Canada Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-22 16:26:59 Time when the event occurred. UTC/GMT
Updated 2018-10-22 16:30:34 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 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 326 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.686138 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147.599988192 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 at00ph0doz Id of event.
Event Code 00ph0doz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ph0doz, A comma-separated list of event ids that are associated to an event.

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