M 4.8 - Southern Alaska

  • 2021-04-27 17:54:36 (UTC)
  • 61.342°N 149.980°W
  • 43.8 km depth

PAGER

Contributed by US last updated 2021-04-27 18:24:38 (UTC)
  • The data below are the most preferred data available
  • The data below have NOT been reviewed by a scientist.

Estimated Fatalities

Estimated Fatalities Histogram
Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Estimated Economic Losses

Estimated Economic Losses Histogram

Estimated Population Exposure to Earthquake Shaking

Population Exposure Map
Population per ~1 sq. km. from LandScan
Population Exposure
MMIShakingPopulation
I Not Felt 0 k*
II-III Weak 406 k*
IV Light 43 k
V Moderate 0 k
VI Strong 0 k
VII Very Strong 0 k
VIII Severe 0 k
IX Violent 0 k
X Extreme 0 k

*Estimated exposure only includes population within map area (k = x1,000)
Modified Mercalli Intensity (MMI) scale

Structure Information Summary

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.

Secondary Effects

Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses.

Selected Cities Exposed
MMICityPopulation
IV Houston 2 k
IV Meadow Lakes 8 k
IV Big Lake 3 k
IV Knik-Fairview 15 k
IV Eagle River 25 k
III Tanaina 8 k
III Wasilla 8 k
III Anchorage 292 k
III Lakes 8 k
III Kenai 7 k

From GeoNames Database of Cities with 1,000 or more residents (k = x1,000)