Idaho earthquakes in 1987
23 earthquakes of magnitude 2.5 or more were located in Idaho in 1987. The largest: M4.0 24 km SE of Stanley, Idaho, Aug 16, 1987.
From the USGS catalog. Times are local to each quake.
Map
Where every quake of 1987 was located in Idaho. Select one for its page.
Every quake of 1987
Magnitude 2.5 and up, newest first.
- 2.613 km ESE of Snowville, Utah · 7 km deep
- 3.718 km NW of Challis, Idaho · 5 km deep
- 3.727 km SE of Challis, Idaho · 5 km deep
- 2.923 km W of Challis, Idaho · 5 km deep
- 3.420 km N of Challis, Idaho · 5 km deep
- 3.321 km SSW of Clayton, Idaho · 5 km deep
- 4.024 km SE of Stanley, Idaho · 5 km deep
- 3.6southern Idaho · 5 km deep
- 2.719 km WSW of Malad City, Idaho · 7 km deep
- 3.020 km WSW of Malad City, Idaho · 6 km deep
- 3.220 km WSW of Clayton, Idaho · 5 km deep
- 3.64 km ESE of Riggins, Idaho · 5 km deep
- 3.523 km SW of Clayton, Idaho · 5 km deep
- 2.713 km W of Portage, Utah · 7 km deep
- 3.313 km ESE of Challis, Idaho · 5 km deep
- 3.19 km S of Snowville, Utah · 4 km deep
- 2.59 km S of Snowville, Utah · 5 km deep
- 3.912 km NNE of Georgetown, Idaho · 5 km deep
- 3.1Utah · 4 km deep
- 3.010 km NE of Clayton, Idaho · 5 km deep
- 3.022 km SSE of Stanley, Idaho · 5 km deep
- 3.546 km N of Stanley, Idaho · 5 km deep
- 3.142 km N of Stanley, Idaho · 5 km deep
Month by month
Counted by UTC date, which is how the catalog files them.
| Month | Quakes | Largest | Where |
|---|---|---|---|
| January 1987 | 4 | 3.5 | 46 km N of Stanley, Idaho |
| February 1987 | 0 | ||
| March 1987 | 5 | 3.9 | 12 km NNE of Georgetown, Idaho |
| April 1987 | 2 | 3.5 | 23 km SW of Clayton, Idaho |
| May 1987 | 1 | 3.6 | 4 km ESE of Riggins, Idaho |
| June 1987 | 0 | ||
| July 1987 | 3 | 3.2 | 20 km WSW of Clayton, Idaho |
| August 1987 | 3 | 4.0 | 24 km SE of Stanley, Idaho |
| September 1987 | 2 | 3.4 | 20 km N of Challis, Idaho |
| October 1987 | 2 | 3.7 | 18 km NW of Challis, Idaho |
| November 1987 | 0 | ||
| December 1987 | 1 | 2.6 | 13 km ESE of Snowville, Utah |
What this means
The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.
By year
Every year the USGS catalog covers.
- 2020s2020202120222023202420252026
- 2010s2010201120122013201420152016201720182019
- 2000s2000200120022003200420052006200720082009
- 1990s1990199119921993199419951996199719981999
- 1980s1980198119821983198419851986198719881989
- 1970s1970197119721973197419751976197719781979
- 1960s1960196119621963196419651966196719681969
- 1950s1950195119521953195419551956195719581959
- 1940s1940194119421943194419451946194719481949
- 1930s1930193119321933193419351936193719381939
- 1920s1920192119221923192419251926192719281929
- 1910s1910191119121913191419151916191719181919
- 1900s1900190119021903190419051906190719081909
Nearby
Sources
Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.