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INTERNATIONAL SEISMOLOGICAL CENTRE

Registered charity 1188971 · accounts filings on the Charity Commission register · also known as ISC

The ISC produces the definitive long-term record of earthquake parameters worldwide (1904-present). We collect parametric data from ~150 seismic networks around the world. Here in UK, we integrate this information into our database and analyse the data together to offer the best possible solution for each individual earthquake. Our data are then made openly available to all interested parties.

Causes: Education/training · website · Get email alerts

Latest income
£969k
Latest spending
£1.0m
Registered
2020
Accounts read
FY2025

Financial health, per its FY2025 accounts

The accounts state that the charity reported a deficit of £75,008 for the year ended 31 December 2025, resulting in a decrease in total unrestricted reserves to £1,814,038. Per the trustees' report, these reserves remain above the stated policy target of nine to twelve months' expenditure, and the trustees confirm adequate resources for going concern.

Automated summary of the FY2025 accounts; the evidenced findings below carry the verbatim passages.

What the accounts disclose

Reserves policy: nine and twelve months' expenditure (£790,000 to £1,055,000) (held: £1.8m)
“It is the policy of the Charity that unrestricted funds which have not been designated for a specific use should be maintained at a level equivalent to between nine and twelve months' expenditure (£790,000 to £1,055,000).” — page 6
Per its FY2025 accounts as filed with the Charity Commission.
Related-party transaction: Note 19
“All trustees of the charity are drawn from member institutions. Membership fees from such institutions totalled £183,770 (2024: £191,425).” — page 22
Per its FY2025 accounts as filed with the Charity Commission.

Accounts independently examined (not a full audit). Discloses 4 of 6 completeness components.

Property (HM Land Registry)

1 registered titlein England and Wales held by the charity’s company or corporate body (1 freehold). All charity-held property. Contains HM Land Registry data © Crown copyright, OGL v3.0.

Structured financials (annual return, FY ending 31/12/2025)

Total income
£969k
Total spending
£1.0m
Reserves (reported)
£1.8m
Employees
17

Reported reserves equal ~21.7 months of spending — in the top quarter for charities its size (median 5.2 months; benchmarks).

Trustees · trustee networks

Trustee list from the Charity Commission register (current, not historical).

Operates in: Throughout England And Wales

Income and spending

Financial year endIncomeSpending
31/12/2025£969k£1.0m
31/12/2024£1.6m£1.0m
31/12/2023£915k£914k
31/12/2022£907k£868k
31/12/2021£944k£895k

Common questions

Is INTERNATIONAL SEISMOLOGICAL CENTRE financially healthy?

Per its FY2025 accounts: The accounts state that the charity reported a deficit of £75,008 for the year ended 31 December 2025, resulting in a decrease in total unrestricted reserves to £1,814,038. Per the trustees' report, these reserves remain above the stated policy target of nine to twelve months' expenditure, and the trustees confirm adequate resources for going concern. Its FY2025 accounts were independently examined.