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Danielle Madugo @daniellemadugo.bsky.social · 02/03/2026

Looks like the San Ramon earthquake swarm just came back to life … maximum magnitude 3.3 so far.

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Danielle Madugo @daniellemadugo.bsky.social · 12/01/2026

Quite a spectacular sunset over the Golden Gate Bridge tonight; goodnight weekend

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Danielle Madugo @daniellemadugo.bsky.social · 28/12/2025

Heading down to LA to visit family for the holidays and the 5 is closed - eek! Detouring to eat dinner at Harris Ranch - first time for everything. :)

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Danielle Madugo @daniellemadugo.bsky.social · 21/12/2025

Definitively felt my tuchus wiggle on the couch and heard our house shake after this M3.9 earthquake in San Ramon. Didn’t feel the M4.0 last night at all. Wondering if the magnitude will end up higher? earthquake.usgs.gov/earthquakes/...

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Danielle Madugo @daniellemadugo.bsky.social · 04/12/2025

Pretty sunset colors surround the Golden Gate at low tide

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Danielle Madugo @daniellemadugo.bsky.social · 30/11/2025

Introduce yourself with five concerts you’ve been to: Garth Brooks with Shania Twain Pink Martini Young Dubliners Eurythmics Afro Celt Sound System

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Zack Labe @zacklabe.com · 29/11/2025

October 2025 was the warmest October on record for the #Arctic. Arctic sea-ice extent is currently the lowest on record for late November. My newest 'climate viz of the month' summarizes some of this latest data: zacklabe.com/climate-viz-... #ClimateChange #SciComm #OpenScience #OpenData #DataViz

zacklabe.com

Climate Viz of the Month

October 2025 Hi everyone! Instead of designing a new special feature visualization, this next ‘climate viz of the month’ blog will focus on briefly summarizing the recent extremes in th…

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Dr. Wendy Bohon @drwendyrocks.bsky.social · 29/11/2025

Did you know that scientist don’t really use the Richter scale anymore? The most common magnitude scale used these days is called the “Moment Magnitude” scale. Here’s more info 🧪

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Danielle Madugo @daniellemadugo.bsky.social · 27/11/2025

Happy Thankssfhusihfsudfhd ...M4.3 Earthquake in San Juan Bautista plotted with Qfaults and historical seismicity 1984-present (Waldhauser's catalog). I wasn't planning on Shake-n-bake today!

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Danielle Madugo @daniellemadugo.bsky.social · 26/10/2025

FOP Ridgecrest! M7.1 stop today and 6 years ago with Olivine for scale. Scarp is modified by channelized rainfall but offset berm is still visible!

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Danielle Madugo @daniellemadugo.bsky.social · 16/10/2025

Did my duty for the Great ShakeOut drill and loved that @kcrw.com reminded me to do it while I was under my table!!!

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Danielle Madugo @daniellemadugo.bsky.social · 16/10/2025

These little earthquakes in Berkeley are reminding me that the ShakeOut drill is happening in ~25 minutes!

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Danielle Madugo @daniellemadugo.bsky.social · 16/10/2025

Felt that earthquake! Very lightly though - so much that I had to check our house seismometer!

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Danielle Madugo @daniellemadugo.bsky.social · 07/10/2025

A full day of astronomical delights: moonset this morning over Mt Tam and sunset just south of Mt Tam this evening

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Danielle Madugo @daniellemadugo.bsky.social · 06/10/2025

Half moonset over Mt Tam this morning

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Danielle Madugo @daniellemadugo.bsky.social · 25/09/2025

@lastweektonight.com John, absolutely love you and your analyses - top notch and the best! But … you might want to work on your resting pause faces. Trust me when I say that my kid had to poop and I had to go support her and this is where I landed.

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Danielle Madugo @daniellemadugo.bsky.social · 22/09/2025

Chris modified this figure from a Temblor article which is modified from Shirzaei & Burgmann (2013) showing location of this very early morning's M4.3 earthquake in Berkeley along the Hayward fault. It looks like it happened in the zone where it goes from creeping zone to locked zone.

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Danielle Madugo @daniellemadugo.bsky.social · 22/09/2025

Seriously felt that one - woke 3/4 of us up! From our house seismograph.

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Danielle Madugo @daniellemadugo.bsky.social · 30/07/2025

Here’s the recording of the M8.0 off Kamchatka from our @raspishake.bsky.social earthquake.usgs.gov/earthquakes/...

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Danielle Madugo @daniellemadugo.bsky.social · 09/06/2025

Woo! Felt that shaker! We’ll see how early I can follow asleep now. M3.4 Pinole earthquake!

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Danielle Madugo @daniellemadugo.bsky.social · 02/06/2025

M2.4 EQ in Oakland! Didn’t feel it b/c we 🏃‍♀️🏃‍♂️ errands, so instead our house ChatGPT user (Chris) asked about energy analogies for an M2.4: 1)🐜 420 quadrillion marching ants; 2)🦍 7,900 sprinting gorillas; and 3)🐋 8.4 sprinting blue whales! 0.4=whale front or tail? Screenshot of calculations below.

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Jascha Polet @jascha.bsky.social · 02/05/2025

I quickly put together a seismicity map for the region of today’s M7.4 Drake passage #earthquake. An uncommon location for a large thrust event in a tectonically complex area. 🧪⚒️

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Mark Gongloff @markgongloff.bsky.social · 02/05/2025

Donald Trump and Elon Musk have left Houston, Tampa, New York and other major cities without head meteorologists just ahead of what will be another busy hurricane season This is straight-up life-threatening malpractice (h/t @lisamjarvis.bsky.social ) www.cnn.com/2025/05/02/w...

A map of the contiguous 48 states titled:
Thirty National Weather Service offices are without a chief meteorologist
Some of these offices issue forecasts for major population centers such as New York City, Houston and Cleveland. Several are prone to hurricanes and tornadoes.
Callouts include:
Upton, NY - Covers New York City and southern Connecticut
Tampa, FL - Hard hit by Hurricane Milton in 2024
Houston, TX - All management positions vacant
Paducah/Louisville/Jackson, KY - Nearly the whole state of Kentucky is covered by forecast areas without leadership

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Daniel Swain @weatherwest.bsky.social · 02/05/2025

People having been asking: "Are these cuts really that big of a deal? Could people really die?" And the answer is: This exact situation, during a major hurricane/flood/tornado/wildfire event, is precisely how that would happen.

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Danielle Madugo @daniellemadugo.bsky.social · 29/04/2025

This #poweroutage in the Berkeley Hills came just as we were starting to make dinner - extra terrible timing!

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Better Things Are Possible @internethippo.bsky.social · 03/04/2025

Ohh "America First" was a hit list

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Dr. Eric J. Fielding, PhD @ericfielding.mastodon.social.ap.brid.gy · 01/04/2025

NASA JPL ARIA project analysis of data from Copernicus Sentinel-2 optical and Sentinel-1 radar images measured the slip on the Sagaing Fault in Myanmar. Quick preliminary map. More details later. Fault ruptured about 500 km (300 miles) in the magnitude 7.7 […] [Original post on mastodon.social]

Map of Myanmar area showing sharp color change along the fault running roughly north-south. Red on west side where land moved northward.

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Robin Lacassin @rlacassin.bsky.social · 28/03/2025

USGS updated PAGER estimate. It's frightening. Zone of extreme damage is now shown elongated along Sagaing fault for >500km. 70% probability of fatalities > 10000 (~35% >100000). ⚒️ 🧪 These are probabilities, hopefully overestimated. In any case it's a massive disaster. Thoughts for the victims 💔

USGS map and diagram showing fatality probabilities and the area with extreme shaking and damage

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Robin Lacassin @rlacassin.bsky.social · 28/03/2025

Today's #earthquake near Mandalay, Myanmar, had magnitude Mw 7.7 to 7.9. Prelim. source models point to rupture duration & length of ~120s and at least 200km. It likely filled large part of seismic gap S of Sagaing (previous rupture in 1839) ⚒️ 🧪 Map from doi.org/10.1002/2013... (Wang et al.) 1/n

Map showing the segmentation of the Sagaing fault and the hypothetic historical ruptures

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Jascha Polet @jascha.bsky.social · 28/03/2025

Updated seismicity map for today’s M7.7 #earthquake in Myanmar: labeled earthquakes down to lower M (7.0) and included aftershocks located until now. Most early aftershocks appear to be located close to the mainshock epicenter. Also, apart from the one M6.4 aftershock, no M5+ (yet). 🧪⚒️

Seismicity map with aftershocks as purple squares

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Anthony Edwards @edwardsanthonyb.bsky.social · 28/03/2025

A Bay Area weather service unit that forecasts for SFO, all Hawaiian airports, California, Nevada and Pacific Ocean airspace is experiencing serious staffing shortages. The office currently employs just one meteorologist. Typically, four meteorologists work out of the FAA office in Fremont. #CAwx

sfchronicle.com

Staffing shortage puts office that forecasts weather for SFO in 'uncharted waters'

The weather service unit, collocated within the FAA office in Fremont, provides forecasts for SFO, Oakland airport, San Jose airport and Hawaiian airports.

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Jason "Jay" R. Patton @earthjay.bsky.social · 28/03/2025

#EarthquakeReport for M7.7 #Earthquake in #Burma Right-lateral strike-slip mechanism High intensity @USGS_Quakes models suggest triggered landslides and induced liquefaction Read 2018 report earthjay.com?p=6872 earthquake.usgs.gov/earthquakes/...

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The Fall Guy @thefallguy.bsky.social · 28/03/2025

#Thailand just hit by a very large (7.7) #earthquake at 1.26pm local time, origin Myanmar. Felt right across the country. Water in high-rise hotel pools sloshing down buildings, and the big Mahanakorn building downtown (if you know it) seen swaying back and forth. Too early for damage reports.

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Danielle Madugo @daniellemadugo.bsky.social · 18/03/2025

Guess Dublin is really partying it up for St. Patty's Day!! Quite the shaker! M4.2 Dublin earthquake

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Danielle Madugo @daniellemadugo.bsky.social · 18/03/2025

Holy moly - just felt the M4.2 Dublin here in San Mateo!!! Shook for 5 seconds lightly!!

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Danielle Madugo @daniellemadugo.bsky.social · 01/03/2025

I learned so much today at the Taber Drilling class in the gorgeous Capay Valley; I was in awe of the breadth of experience and expertise of our presenters. Excellent program! And now I get to enjoy the tiniest sliver of the crescent moon, Venus & Jupiter setting on the flanks of Mt. Tam. #grateful

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Dr. Judith Hubbard @judithgeology.bsky.social · 15/02/2025

The people I know at the USGS who work on Earth hazards are among the most dedicated, selfless, brilliant scientists I know. This breaks my heart.

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Christina Toms @christinatoms.bsky.social · 15/02/2025

I needed to read this.

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Cian 🏳️‍🌈🏳️‍⚧️ (he/him) @cbdawson.bsky.social · 15/02/2025

Devastating to watch our US public science be gutted, especially all the people fired. The immense scientific and institutional knowledge and resources being lost can't be readily replaced or automated. That commitment to public service is something the current administration can't comprehend.

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Danielle Madugo @daniellemadugo.bsky.social · 15/02/2025

Viewing red #airjordan and #23 on Treasure Island - drone show?

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Zack Labe @zacklabe.com · 11/02/2025

The extent of sea ice globally is now at an absolute record low level for the entire satellite-era. [Graphics: zacklabe.com/global-sea-i.... Note: the poles are affected by very different Earth system processes/seasonality. I am using 5-day running mean data.]

Line graph time series of 2025's daily global sea ice extent in red shading compared to each year from 1979 to 2024 using shades of purple to white for each line. There is substantial interannual and daily variability. Seasonal cycles are visible.

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Danielle Madugo @daniellemadugo.bsky.social · 13/02/2025

Wooo! Felt that shimmy of an earthquake!

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Jascha Polet @jascha.bsky.social · 13/02/2025

An updated map of the recent M3.5ish earthquakes in the greater San Francisco area, now including two events today on/near the Hayward fault. 🧪⚒️

Map of historical seismicity near SF with recent earthquakes highlighted

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Danielle Madugo @daniellemadugo.bsky.social · 13/02/2025

Didn’t feel the pair of M3 earthquakes in Hayward while sitting at my desk, but others did and so did our house seismometer! BTW, what happened to the background map for USGS recent EQs page?

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Jacquelyn Gill @jacquelyngill.bsky.social · 23/01/2025

NIH and other federal health agencies have been instructed to cease external communications indefinitely. This means that grant programs—the money that funds life-saving university and hospital research—are currently in limbo. This includes VA research on veterans’ health.

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Daniel Swain @weatherwest.bsky.social · 17/01/2025

After becoming increasingly enmeshed in the wildfire world, you start to notice things about the way we've systematically altered our relationship with the natural environment in a way that has increased the risk of destructive fires. And then you stop being able to unsee them.

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Jackie Caplan-Auerbach @geophysichick.bsky.social · 13/01/2025

This week’s #MisconceptionMonday was inspired by a question I read elsewhere on Bluesky today: is the number of earthquakes we see today unusual? Are earthquakes getting more common or larger? Good question. Let’s chat. 🧵

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