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International Seismological Centre (ISC) @iscseism.bsky.social · 10/03/2026

Volume 59, Issue I of the Summary of the ISC Bulletin is available at doi.org/10.31905/DTF... It also features the article by Timoulali et al. about the evolution of the Moroccan seismic network (doi.org/10.31905/JCI...). Thanks to our Sponsors GeoSIG, Sara Electronic and GaiaCode

doi.org

Vol 59 No I (2026): January - June 2022 | Summary of the Bulletin of the International Seismological Centre

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International Seismological Centre (ISC) @iscseism.bsky.social · 03/03/2026

Catch up with the ISC latest news with the Newsletter: www.isc.ac.uk/docs/newslet... Contents include: BMKG Indonesia Membership; 2023 ISC Bulletin is out; Release of the new GT List; ExecCom and Governing Council; Visitors to the ISC and more.

isc.ac.uk

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International Seismological Centre (ISC) @iscseism.bsky.social · 23/02/2026

What an interesting #deep #earthquake in the #Borneo region: earthquake.usgs.gov/earthquakes/... The figure shows that only 5 events that deep ever occurred nearby in our record, with the 22 Feb 2026 being by far the largest

http://www.isc.ac.uk/cgi-bin/web-db-run?request=COMPREHENSIVE&out_format=ISF2&bot_lat=&top_lat=&left_lon=&right_lon=&searchshape=CIRC&ctr_lat=6.9&ctr_lon=116.2&radius=200&max_dist_units=km&srn=&grn=&start_year=1904&start_month=1&start_day=01&start_time=00%3A00%3A00&end_year=2027&end_month=2&end_day=01&end_time=00%3A00%3A00&min_dep=200&max_dep=&min_mag=&max_mag=&req_mag_type=&req_mag_agcy=&min_def=&max_def=&include_magnitudes=on&include_links=on&include_headers=on&include_comments=on

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International Seismological Centre (ISC) @iscseism.bsky.social · 19/01/2026

Volume 58, Issue II of the Summary of the ISC Bulletin is available at doi.org/10.31905/O98... which also features the "Reported Teleseismic Phase Statistics at the ISC over the last Four Decades" by J. Havskov and K. Lieser. Thanks to our Sponsors GeoSIGGeoSIG, Sara Electronic and GaiaCode

doi.org

Vol 58 No II (2025): July - December 2021 | Summary of the Bulletin of the International Seismological Centre

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International Seismological Centre (ISC) @iscseism.bsky.social · 23/12/2025

#JustAnotherYear of ISC work: summary for data year 2023 👇 parametric data collected for 680193 events, of which 60125 have been reviewed and 43663 relocated by ISC using 8187246 phases!

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/08/2025

Coming to the IAGA-IASPEI meeting in #Lisbon? Make sure you come and see our staff presenting the latest developments at the ISC 👇

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International Seismological Centre (ISC) @iscseism.bsky.social · 30/07/2025

Literature regarding the 1923 and 1952 #Kamchatka #earthquakes are available at these links: 1923-02-03: www.isc.ac.uk/cgi-bin/Form... 1952-11-04: www.isc.ac.uk/cgi-bin/Form...

isc.ac.uk

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Seismica @weareseismica.bsky.social · 11/07/2025

🚨Seismic Ground Truth determination just got an upgrade!!! The Ground Truth Seismic Event Identification Criteria now includes the Cyclic Polygon Quotient (CPQ)-a new metric improving azimuthal station coverage analysis Read more: seismica.library.mcgill.ca/article/view...

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Seismica @weareseismica.bsky.social · 11/07/2025

@iscseism.bsky.social

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International Seismological Centre (ISC) @iscseism.bsky.social · 07/07/2025

Catch up with the ISC latest news with the Newsletter: www.isc.ac.uk/docs/newslet... Contents include: ISC contributing to World Stress Map; Celebrating Robin Adams birthday; RAS Award to D. A. Storchak; New ISC members; Papers published in Seismica; Remembering Anthony Hughes.

isc.ac.uk

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International Seismological Centre (ISC) @iscseism.bsky.social · 15/04/2025

Random find in a "forgotten" filing cabinet, no clue about who wrote it or when. Any idea? Let us know...

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International Seismological Centre (ISC) @iscseism.bsky.social · 04/04/2025

Sadly, we announce the recent death of Dr Anthony Hughes, Director of the ISC between 1977 and 1997 www.isc.ac.uk/news/PDFs/AA...

isc.ac.uk

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International Seismological Centre (ISC) @iscseism.bsky.social · 20/03/2025

Volume 58, Issue I of the Summary of the ISC Bulletin is available at doi.org/10.31905/F3B... The issue covers data analysis for the first six months of 2021, including Summary of Seismicity, Statistics of Collected Data, Overview of the ISC Bulletin, Leading Data Contributors.

doi.org

Vol 58 No I (2024): January - June 2021 | Summary of the Bulletin of the International Seismological Centre

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International Seismological Centre (ISC) @iscseism.bsky.social · 15/01/2025

We are happy to announce that the ISC Director, Dr. D. A. Storchak, has received the Royal Astronomical Society Service Award in #Geophysics for "his longstanding dedication and support of the seismological community" x.com/RoyalAstroSo...

x.com

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International Seismological Centre (ISC) @iscseism.bsky.social · 18/12/2024

#JustAnotherYear of ISC work: summary for data year 2022 👇 parametric data collected for 628581 events, of which 55343 have been reviewed and 40912 relocated by ISC using 8021324 phases!

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International Seismological Centre (ISC) @iscseism.bsky.social · 15/11/2024

We welcome a large number of new followers (we know how you feel about X), it seems a good time to reintroduce ourselves on this platform 👇

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International Seismological Centre (ISC) @iscseism.bsky.social · 11/11/2024

Important Notification: our mirror website isc-mirror.iris.washington.edu will no longer be available from 19 Nov 2024. Users are required to browse www.isc.ac.uk, and any use of the ISC webservices, including calls from obspy, require the updating of any hardcoded URL that points to the mirror site

isc.ac.uk

International Seismological Centre

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International Seismological Centre (ISC) @iscseism.bsky.social · 22/09/2024

Going to #ESC2024 General Assembly in #Corfu? This #conference is a great opportunity to catch up with the latest developments at the ISC as our staff will cover a variety of topics, see schedule of our oral and poster presentations

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International Seismological Centre (ISC) @iscseism.bsky.social · 25/07/2024

The new ISC #Earthquake toolbox for #MATLAB is now available via GIThub and the MathWorks file exchange. This allows ISC data to be parsed and used in the MATLAB environment. For more details please see the blog below blogs.mathworks.com/matlab/2024/...

blogs.mathworks.com

Introducing ISC Earthquake Toolbox

Today’s guest blogger is Kostas Leptokaropoulos. Kostas is the MathWorks Geoscience Academic Discipline Manager, supporting Geoscience researchers and educators. In this blog, he describes his experie...

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International Seismological Centre (ISC) @iscseism.bsky.social · 27/06/2024

Version 11 of the ISC-GEM Global Instrumental Earthquake Catalogue (1904-2020) has been released. This version marks the end of the 2nd year of the Further Improvement project. Download and further info at www.isc.ac.uk/iscgem/downl...

isc.ac.uk

Download and Legal

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International Seismological Centre (ISC) @iscseism.bsky.social · 18/03/2024

Enjoyed every bit of the Perspective: "The Origins of the Generic Mapping Tools: From Table Tennis to Geoscience" by Paul Wessel agupubs.onlinelibrary.wiley.com/doi/10.1029/...

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International Seismological Centre (ISC) @iscseism.bsky.social · 01/03/2024

On the 26 February 2024 the ISC had an internet outage, the issue has been resolved

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/02/2024

Due to a wide internet issue in the area, our websites (e.g., www.isc.ac.uk and BSM conference website bsm2024.isc.ac.uk ) as well as our email system are currently down. The issue is being investigated by British Telecom and we hope that soon we will be able to restore our services

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International Seismological Centre (ISC) @iscseism.bsky.social · 07/02/2024

An exciting schedule for #BSM2024: bsm2024.isc.ac.uk/about/BSM202... Details of the poster presentations will be available in the next few days. There is still time to register and be part of this bi-annual meeting: bsm2024.isc.ac.uk/registration...

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International Seismological Centre (ISC) @iscseism.bsky.social · 17/01/2024

Here is the very short summary of ISC work for year 2021: parametric data collected for 637605 events, of which 59974 have been reviewed and 45320 relocated by ISC using 8539484 phases!

Monthly number of events collected (blue), reviewed (green) and relocated (red)

ISC Locations for events in 2021 (both earthquakes and other seismic sources)

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International Seismological Centre (ISC) @iscseism.bsky.social · 16/01/2024

Volume 57, Issues I and II of the Summary of the ISC Bulletin are available at doi.org/10.31905/NWK... and doi.org/10.31905/1QE.... Articles by Petra Buchholz & Siegfried Wendt (doi.org/10.31905/XUX...) and by Horst Rademacher ( doi.org/10.31905/5KB...) are also available.

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Correct Assignment of Rayleigh Waves to Seismic Events | Summary of the Bulletin of the In...

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International Seismological Centre (ISC) @iscseism.bsky.social · 09/01/2024

4th British Seismology Meeting (BSM2024): 25-27 March 2024, in Reading, UK, bsm2024.isc.ac.uk. The deadline for Abstract Submission and Earlybird Registration has been extended to Monday 15th January 2024 at 11:59 pm. We look forward to receiving your abstracts and seeing you at the meeting.

bsm2024.isc.ac.uk

British Seismological Meeting

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Dr. Judith Hubbard @judithgeology.bsky.social · 10/10/2023

A M5 earthquake struck eastern Slovakia earlier today - the largest earthquake in the country in almost a century, felt up to 400 km away. Three ~M5 earthquakes occurred near here in 1778 and 1779 - possibly similar to the recent quake. Read more on our blog! 🧪 ⚒️

earthquakeinsights.substack.com

M5.0 earthquake in Slovakia is largest in the country in almost 100 years

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Jascha Polet @jascha.bsky.social · 29/09/2023

Shout out to my alma mater, Utrecht University, not included in the Times Higher Education World University Ranking 2024 because they chose not to submit data. 🧪⚒️ www.uu.nl/en/news/why-...

uu.nl

Why UU is missing in the THE ranking

Utrecht University has not been included in the Times Higher Education (THE) World University Ranking 2024.

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/09/2023

We look forward to receive your abstract and see you in Reading #bsm2024

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/09/2023

Conference Themes include: Industrial and forensic seismology; Earth characterisation and monitoring; Recent large earthquakes and hazardous fault zones; Seismology and climate change mitigation; Big data, machine learning and geophysical inversion; Novel applications of observational seismology.

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/09/2023

The abstract submission for the 4th British Seismology Meeting (Reading, 25-27 March 2024) is open at bsm2024.isc.ac.uk.

bsm2024.isc.ac.uk

British Seismological Meeting

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/09/2023

and preparing and distributing the definitive summary of world seismicity, the ISC Bulletin. Today we collect #data from about 150 #seismological agencies around the world to produce several #data #products to serve researchers in different #geoscience fields, see overview at www.isc.ac.uk/products/

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International Seismological Centre (ISC) @iscseism.bsky.social · 26/09/2023

The International Seismological Centre (ISC) was set up in 1964 with the assistance of UNESCO as a successor to the International Seismological Summary to follow up the pioneering work of Prof. John Milne and Sir Harold Jeffreys in collecting, archiving and processing of #seismic bulletins (1/2)

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