MOUNT RAINIER
GEOLOGY & WEATHER
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Sunday, January 24, 2021
Today is day 24 of 2021 and
day 116 of Water Year 2021
Welcome to morageology.com! This site is an externally-accessible clearing house of static, real-time, non-real-time, and archived Mount Rainier geologic and geomorphic data used for geohazard awareness and mitigation. All data provided on this site are publicly-accessible non-sensitive scientific information collected by geologists at Mount Rainier National Park. Individual datasets are provided here for informational use only and are not guaranteed to be accurate or final versions - all data should be considered provisional unless otherwise noted.
TODAY'S DEBRIS FLOW HAZARD
7-DAY FORECAST TREND:
LLLLLLL
LATEST PARADISE WEATHER
As of: 01/24/2021 12:00 PM

24.4° F
Wind: W (273°) @ 2 G 5 mph
Snow Depth: 114 in (96% of normal)
24-hour Precip: 0.00 in

[ Observation | Forecast ]
LATEST LONGMIRE WEATHER
As of: 01/24/2021 01:00 PM

32.4° F
Snow Depth: 0 in (0% of normal)
24-hour Precip: 0.00 in

[ Observation | Forecast ]
DARK SKY PRECIPITATION RADAR
MOUNT RAINIER VICINITY
FORECASTED SNOW PACK
AT PARADISE (5,400')
[ More Info ]
Bank erosion on Tahoma Creek during the August 2015 debris flow (From a photo by Scott Beason on 08/13/2015)
LATEST EARTHQUAKES:
Earthquakes in the last 30 days near Mount Rainier
:
36

LAST 5 EARTHQUAKES:

  1. Fri, Jan 22, 2021, 17:51:22 GMT
    2 days 3 hours 30 minutes 19 seconds ago
    13.568 km (8.431 mi) SW of summit
    Magnitude: 0.7
    Depth 4.7 km (2.9 mi)
    View More Info

  2. Fri, Jan 22, 2021, 13:51:54 GMT
    2 days 7 hours 29 minutes 47 seconds ago
    0.672 km (0.418 mi) NNE of summit
    Magnitude: 0.1
    Depth 0.9 km (0.6 mi)
    View More Info

  3. Fri, Jan 22, 2021, 01:04:57 GMT
    2 days 20 hours 16 minutes 43 seconds ago
    2.774 km (1.724 mi) NE of summit
    Magnitude: 0.3
    Depth -1.5 km (-0.9 mi)
    View More Info

  4. Thu, Jan 21, 2021, 15:01:02 GMT
    3 days 6 hours 20 minutes 39 seconds ago
    15.550 km (9.662 mi) W of summit
    Magnitude: 0.7
    Depth 10.8 km (6.7 mi)
    View More Info

  5. Thu, Jan 21, 2021, 06:57:19 GMT
    3 days 14 hours 24 minutes 21 seconds ago
    2.988 km (1.857 mi) E of summit
    Magnitude: 0.2
    Depth -1.4 km (-0.9 mi)
    View More Info

MISC:
Currently, this site has approximately
9,490,480
total data points in its database!
 
LATEST UPDATES AND SITE NEWS:
August 5, 2019 Tahoma Creek Debris Flow
Posted on Wed, Aug 14, 2019, 17:00 by Scott Beason. Updated on Wed, Aug 14, 2019, 17:00

The 32nd recorded debris flow in Tahoma Creek occurred on August 5, 2019, between 6:44 PM PDT (8/6/2019 01:55 UTC) - 8:10 PM PDT (8/6/2019 03:10 UTC), as observed on the Pacific Northwest Seismic Network's (PNSN) Emerald Ridge (RER) seismograph. The event began as a sudden and significant change in the primary outlet stream from the terminus of the South Tahoma Glacier. This change caused a surge of water to go over loose, steep and unconsolidated sediment-rich areas just downstream of the terminus. Debris flow deposits were observed approximately 4 miles downstream at the Tahoma Creek Trail trailhead (an area affectionally known in the park as 'barrel curve'). The event is still being investigated... a good photo set (with a few videos) is available here: https://www.flickr.com/photos/mountrainiernps/sets/72157710161403356/. If you would like to view more information about the event, click here: http://www.morageology.com/geoEvent.php#145. If you were in the area of the South Tahoma Glacier or Tahoma Creek on the evening of August 5 and/or morning of August 6, and have any interesting observations, please send them to Scott Beason.

New Camp Schurman weather station added!
Posted on Tue, Jul 23, 2019, 14:17 by Scott Beason. Updated on Tue, Jul 23, 2019, 14:17

A new weather station has been added to morageology.com. Click the following link to see hourly data from Camp Schurman on the NE side of Mount Rainier's volcanic edifice at 9,500 feet: http://waterdata.morageology.com/station.php?g=MORAWXCS.

Longmire RSAM Down
Posted on Wed, Jul 10, 2019, 05:00 by Scott Beason. Updated on Wed, Jul 10, 2019, 05:00

The Longmire (LON) seismograph has been reporting ground vibrations from a construction project in the area near the seismograph. In order to prevent erroneous debris flow alerts, the RSAM (debris flow detection) analysis has been disabled. The system will be restored once the construction project has been completed.

LATEST CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE:

CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE
U.S. Geological Survey
Friday, January 22, 2021, 11:37 AM PST (Friday, January 22, 2021, 19:37 UTC)


CASCADE RANGE VOLCANOES
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN

Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of activity. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in Washington State; and Mount Hood, Mount Jefferson, Three Sisters, Newberry, and Crater Lake in Oregon.

Recent Observations: Over the past week earthquakes were located at Mount Rainier, Mount Hood, and Newberry volcanoes, consistent with background levels. At Mount Hood, a swarm of over 100 individual earthquakes occurred on January 17 in an area south of the summit of Mount Hood. The maximum magnitude was M2.7 and the depths were mostly around 5 km (3 mi) below sea level. Earthquakes continued to occur in the following days but at much lower rates, and over the last couple of days seismicity has been at or near background levels. Swarms at Mount Hood are common and account for most of the seismicity at the volcano. Recent swarms near the 2021 swarm occurred in 2009, 2012, 2014, and 2020, all lasting hours to days. Scientists consider these earthquakes to be "tectonic" in nature that are caused by regional stresses and are not associated with magma movement. For more information about the 2021 swarm (including maps and figures), go to https://www.usgs.gov/center-news/january-17-2021-mount-hood-earthquake-swarm?qt-news_science_products=1#qt-news_science_products.


The U.S. Geological Survey and Pacific Northwest Seismic Network (PNSN) continue to monitor these volcanoes closely and will issue additional updates and changes in alert level as warranted.

For images, graphics, and general information on Cascade Range volcanoes: http://volcanoes.usgs.gov/observatories/cvo/
For seismic information on Oregon and Washington volcanoes: http://www.pnsn.org/volcanoes
For information on USGS volcano alert levels and notifications: https://volcanoes.usgs.gov/vhp/notifications.html