- News
- March 7, 2017
1st Express letter article published
'Express Letter' is now a submission option in Earth, Planets and Space. This aims at rapid publication of concise results of your new research. The first Express Letter by Nakajima and Matsuzawa was published 42 days after the submission.
![[Frontier Letter] Double difference earthquake location with graph neural networks](https://www.earth-planets-space.org/wp-content/uploads/2025/08/40623_2025_2251_Figa_HTML-1-80x40.webp)
![[Frontier Letter] COURSE: Cross-scale cOUpling pRocesses in the Solar–tErrestrial system—SCOSTEP’s new program for 2026–2030](https://www.earth-planets-space.org/wp-content/uploads/2025/12/fig1-80x26.png)
![[Frontier Letter] A new paleomagnetic constraint on the duration of a twin caldera-forming eruption sequence: a potential solution to an enduring problem in decoding >VEI 7 eruption timescales](https://www.earth-planets-space.org/wp-content/uploads/2025/05/40623_2025_2179_Figa_HTML-75x40.webp)
