Robin Lacassin @RobinLacassin@qoto.org

USGS got very similar mechanism, but puts hypocenter deeper (around 20km). This perhaps means that the #earthquake rupture happened in the Gorda tectonic plate beneath the upper N American plate. The small Gorda plate is plunging under N America along the #Cascadia #subduction zone.

Magnitude Mw6.4 #earthquake in the region of the #Mendocino triple junction, at northern end of the San Andreas fault, #California. Mechanism is strike slip; rupture may have occurred on any of the ~N-S or ~E-W fault plane as it's a tectonically complicated area.

Mechanism Geoscope IPGP: http://geoscope.ipgp.fr/index.php/en/catalog/earthquake-description?seis=nc73821036

Time ago, the now scary bird site, was useful for science, knowledge building, hazard communication, etc...

We wrote a paper on that: Rapid collaborative knowledge building via Twitter after significant geohazard events.

https://gc.copernicus.org/articles/3/129/2020/

The answer of Jack Dorsey: Why ? 👇🏼

Wow Santa Claus answered me 😊 🎉
At least she/he's alive here 😉

No comment 2 👇🏼

No comment 👇🏼

#santa #santaclaus #perenoel

The government of #Germany posted this on the scary bird site:

#Freedom of the press must not be switched on and off at will. As of today, the #journalists below can no longer follow, comment or criticize us. We have a problem with that twitter.

#censorship

Le Monde: Twitter suspend des comptes de journalistes : l’Union européenne menace le réseau social de « sanctions »

Twitter suspends journalist accounts: EU threatens social network with 'sanctions'

Just posted this 👇🏼 on the scary bird site.
Will see what happens.

Peer review, a huge waste of time, and therefore money ?

Figure 👇🏼 and excerpts taken from Aczel et al. 2021 https://doi.org/10.1186/s41073-021-00118-2

“…the total time reviewers globally worked on peer reviews was over 100 million hours in 2020, equivalent to over 15 thousand years. The estimated monetary value of the time US-based reviewers spent on reviews was over 1.5 billion USD in 2020 […] The numbers highlight the enormous amount of work and time that researchers provide to the publication system.”

(authors add: By design, our results are very likely to be under-estimates as they reflect only a portion of the total number of journals worldwide.)

#peerreview #openscience #publishANDnotperish

QT Hawaiian Volcano Observatory (HVO #USGS) about #MaunaLoa #volcano:

“Mauna Loa is no longer erupting. Lava supply to the fissure 3 vent on the Northeast Rift Zone ceased on December 10 and sulfur dioxide emissions have decreased to near pre-eruption background levels. Volcanic tremor and earthquakes associated with the eruption are greatly diminished […]

Spots of incandescence may remain near the vent, along channels, and at the flow front for days or weeks as the lava flows cool. However, eruptive activity is not expected to return based on past eruptive behavior.”

Their photo 👇🏼 shows channel below the volcanic vent drained of lava

https://www.usgs.gov/volcanoes/mauna-loa/volcano-updates

Huge cranes in #Paris. At work on #NotreDame restoration site.

Today at @wearetektonika #DOAJ we accepted our two first papers for publication 🎉 !

Proud to have been executive editor for the first one and thanks to Jack Williams who managed the review process as associate editor.

(reminder: we are open for submission since the end of May)

Conférences publiques organisées pas l'Observatoire Volcanologique et Sismologique de #Martinique (OVSM) de l'Institut de Physique du Globe de Paris (IPGP):

- Un observatoire sous-marin connecté pour déchiffrer l’activité sismique des Saintes.

- Deux ans après le passage en vigilance volcanique jaune, un point sur l’activité du #volcan la Montagne Pelée.

#volcano #Antilles #Caribbean #hazards