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Earthquakes in Nagasaki Prefecture

244 earthquakes catalogued in and around Nagasaki Prefecture between 1909 and 2026. Recorded measurements; not a forecast.

Last updated 4 August 2026 · merged from 5 catalogues
3.1
Latest earthquake · depth 10 km
04.08.2026 05:19 UTC · from centre 157 km
244
recorded earthquakes
M7.7
largest
1909–2026
record span
4.41
mean magnitude
86
epicentre inside the border

By year

Stacked by magnitude; one column per year.

021421909: 1 (M5+)19091914: 1 (M5+)19181922: 2 (M5+)1924: 1 (M5+)19271929: 1 (M5+)1931: 2 (M5+)1933: 1 (M5+)1936194519541961: 1 (M5+)19631965: 4 (M4–5)1966: 2 (M4–5)1966: 1 (M5+)1968: 2 (M5+)1969: 1 (M4–5)1970: 2 (M4–5)1970: 1 (M5+)1971: 8 (M4–5)1972: 4 (M4–5)19721973: 3 (M4–5)1974: 2 (M4–5)1975: 3 (M5+)1976: 4 (M4–5)1977: 3 (M4–5)1980: 1 (M4–5)1981: 1 (M4–5)19811982: 1 (M4–5)1983: 2 (M4–5)1984: 10 (M4–5)1984: 2 (M5+)1985: 3 (M4–5)1986: 2 (M4–5)1987: 3 (M4–5)1988: 3 (M4–5)1989: 1 (M4–5)19901991: 2 (M4–5)1992: 2 (M4–5)1994: 1 (M4–5)1994: 1 (M5+)1996: 2 (M4–5)1997: 1 (M4–5)1997: 2 (M5+)19992004: 1 (M<3)2004: 2 (M4–5)2005: 1 (M<3)2005: 6 (M3–4)2005: 21 (M4–5)2005: 3 (M5+)2006: 2 (M4–5)2006: 1 (M5+)2007: 1 (M4–5)2008: 1 (M3–4)20082009: 2 (M4–5)2010: 1 (M4–5)2012: 1 (M3–4)2016: 1 (M3–4)2016: 28 (M4–5)2016: 13 (M5+)2017: 1 (M3–4)2017: 3 (M4–5)20172018: 1 (M3–4)2018: 3 (M4–5)2019: 3 (M4–5)2020: 3 (M3–4)2020: 1 (M4–5)2021: 1 (M3–4)2021: 3 (M4–5)2022: 1 (M3–4)2023: 1 (M4–5)2024: 2 (M4–5)2025: 1 (M3–4)2025: 3 (M4–5)2026: 24 (M3–4)2026: 13 (M4–5)2026: 5 (M5+)2026
M<3M3–4M4–5M5+

Read this chart carefully. Rising columns do not mean earthquakes are becoming more frequent. The monitoring network improved over time: the smallest detectable earthquake in Türkiye was about M5.0 in 1966 and is M1.5 today. Earlier years look quiet because small events were not heard, not because they did not happen.

Largest earthquakes

Inclusion rule: the radius widens with magnitude (15 km up to M4, 150 km at M7 and above). This is not a measure of felt shaking or intensity.

MagnitudeDateDepthDistance
7.726.02.1961 18:1035 km280 km
7.510.11.1909 06:13140 km180 km
7.015.04.2016 16:257 km155 km
7.012.01.1914 09:2850 km276 km
7.025.07.1970 22:4134.6 km271 km
6.807.12.1922 16:5015 km113 km
6.828.07.2026 07:2710 km153 km
6.620.03.2005 01:539.1 km66 km
6.420.04.1975 17:356.3 km178 km
6.311.06.2006 20:01143.3 km175 km
6.308.12.1922 02:0210 km146 km
6.214.04.2016 12:266.2 km154 km
6.126.03.1997 08:3113.3 km207 km
6.123.01.1975 14:1910.3 km166 km
6.120.02.1968 23:5115 km212 km

Latest earthquakes

MagnitudeDateDepthDistance
3.104.08.2026 05:1910 km157 km
4.404.08.2026 05:060 km157 km
3.703.08.2026 22:1210 km157 km
3.103.08.2026 11:2110 km157 km
3.202.08.2026 11:2010 km157 km
3.402.08.2026 10:3910 km157 km
3.702.08.2026 10:0510 km157 km
4.601.08.2026 16:0710 km160 km
3.101.08.2026 15:4010 km157 km
4.901.08.2026 12:4710 km152 km
3.801.08.2026 09:410 km157 km
3.101.08.2026 03:5110 km157 km
3.031.07.2026 21:4810 km157 km
5.030.07.2026 13:4710 km150 km
3.430.07.2026 11:1710 km157 km
3.230.07.2026 03:4410 km157 km
4.230.07.2026 00:5610 km171 km
4.829.07.2026 20:1611.7 km159 km
3.529.07.2026 18:3510 km157 km
4.629.07.2026 14:0210 km156 km
5.429.07.2026 13:1910 km171 km
4.629.07.2026 11:4710 km129 km
3.329.07.2026 09:0210 km157 km
3.428.07.2026 18:3510 km157 km
3.528.07.2026 14:4910 km157 km
4.928.07.2026 14:0110 km166 km
4.228.07.2026 12:100 km163 km
3.128.07.2026 10:4610 km157 km
3.728.07.2026 09:210 km157 km
4.128.07.2026 09:100 km163 km
5.228.07.2026 08:1810 km174 km
3.928.07.2026 08:100 km157 km
5.728.07.2026 08:0810 km178 km
3.628.07.2026 07:5310 km157 km
4.028.07.2026 07:4520 km163 km
6.828.07.2026 07:2710 km153 km
4.025.03.2026 11:3310 km111 km
3.019.03.2026 12:5920 km96 km
4.015.03.2026 14:1010 km171 km
3.408.03.2026 06:0610 km96 km
3.522.01.2026 06:4910 km19 km
3.321.01.2026 15:0810 km76 km
3.325.07.2025 15:2810 km109 km
4.625.07.2025 02:1710 km108 km
4.226.04.2025 03:060 km162 km
4.817.03.2025 20:0020 km164 km
4.530.05.2024 19:4610.6 km160 km
4.119.04.2024 14:2810 km142 km
4.217.02.2023 10:3811.4 km94 km
3.501.09.2022 23:4210 km157 km
4.006.05.2021 00:1611 km148 km
4.019.03.2021 16:5010 km163 km
4.314.03.2021 00:227.7 km156 km
3.822.01.2021 05:4610 km132 km
3.729.04.2020 04:4412.6 km69 km
3.929.04.2020 04:4410 km70 km
4.030.01.2020 10:5510 km155 km
3.825.01.2020 22:4510 km102 km
4.323.02.2019 05:3010.4 km131 km
4.226.01.2019 05:1611.9 km119 km

Method and sources

What this page counts
An earthquake appears here when its epicentre is within a magnitude-dependent distance of this place's border: 15 km up to M4, 30 km to M5, 60 km to M6, 100 km to M7, and 150 km at M7 and above. The rule exists because a large earthquake concerns neighbouring provinces too — the 17 August 1999 epicentre was in the Gulf of İzmit, on no province's land at all.
Location precision
Epicentre uncertainty is typically 1–10 km, and larger for older records. That is why this site breaks data down to districts but not to neighbourhoods or villages — the data does not support that distinction.
Magnitude scales
The catalogues use more than twelve magnitude scales (Mw, ML, mb, Md…) and they are not equivalent. Values are shown on the scale the source reported; they are not converted.
Deduplication
The same earthquake is published by several catalogues. Records within 20 seconds and 100 km whose magnitudes differ by no more than 1.2 are treated as one event; the primary record is chosen by catalogue priority.
Updates
Recent earthquakes are fetched from four sources every five minutes. The historical archive is rebuilt infrequently.
Sources
USGS ComCat · ISC Bulletin · AFAD · Kandilli / KOERI · EMSC/CSEM
Reporting an error
If you spot a wrong record, write to us; we verify against the source and correct it.