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Earthquakes in Chukotka Autonomous Okrug

401,885 earthquakes catalogued in and around Chukotka Autonomous Okrug between 1903 and 2026.

Last updated 14 October 2026 · merged from 5 catalogues
2.3
Latest earthquake · depth 81.2 km
14.10.2026 00:40 UTC · from centre 6506 km
401,885
recorded earthquakes
M9.2
largest
1903–2026
record span
1.45
mean magnitude
383,253
epicentre inside the border

By year

Stacked by magnitude; one column per year.

012394247891903: 1 (M5+)19031904: 1 (M5+)1906: 1 (M5+)1908: 1 (M5+)1910: 1 (M5+)1912: 4 (M5+)1913: 2 (M5+)19131914: 1 (M5+)1917: 3 (M5+)1918: 2 (M5+)1919: 1 (M5+)1920: 2 (M5+)1921: 2 (M5+)1922: 1 (M5+)1923: 3 (M5+)19231924: 2 (M5+)1925: 2 (M5+)1926: 1 (M5+)1927: 8 (M5+)1928: 6 (M5+)1929: 10 (M5+)1930: 2 (M5+)1931: 2 (M5+)1932: 5 (M5+)1933: 9 (M5+)19331934: 9 (M5+)1935: 4 (M5+)1936: 5 (M5+)1937: 3 (M5+)1938: 3 (M5+)1940: 4 (M5+)1941: 3 (M5+)1943: 1 (M5+)19431944: 4 (M5+)1946: 2 (M5+)1947: 2 (M5+)1948: 5 (M5+)1949: 2 (M5+)1950: 1 (M5+)1951: 4 (M5+)1952: 7 (M5+)1953: 1 (M5+)19531954: 1 (M4–5)1954: 11 (M5+)1955: 2 (M4–5)1955: 6 (M5+)1956: 4 (M4–5)1956: 1 (M5+)1957: 5 (M4–5)1957: 1 (M5+)1958: 7 (M4–5)1958: 10 (M5+)1959: 5 (M4–5)1959: 6 (M5+)1960: 1 (M4–5)1960: 1 (M5+)1961: 1 (M4–5)1961: 3 (M5+)1962: 6 (M4–5)1962: 7 (M5+)1963: 12 (M4–5)1963: 5 (M5+)19631964: 4 (M3–4)1964: 36 (M4–5)1964: 16 (M5+)1965: 3 (M3–4)1965: 33 (M4–5)1965: 3 (M5+)1966: 2 (M3–4)1966: 33 (M4–5)1966: 8 (M5+)1967: 5 (M3–4)1967: 51 (M4–5)1967: 10 (M5+)1968: 1 (M3–4)1968: 27 (M4–5)1968: 4 (M5+)1969: 2 (M3–4)1969: 29 (M4–5)1969: 2 (M5+)1970: 18 (M4–5)1970: 7 (M5+)1971: 30 (M4–5)1971: 8 (M5+)1972: 24 (M4–5)1972: 10 (M5+)1973: 4 (M<3)1973: 53 (M3–4)1973: 61 (M4–5)1973: 7 (M5+)19731974: 4 (M<3)1974: 61 (M3–4)1974: 44 (M4–5)1974: 18 (M5+)1975: 7 (M<3)1975: 47 (M3–4)1975: 56 (M4–5)1975: 10 (M5+)1976: 3 (M<3)1976: 33 (M3–4)1976: 80 (M4–5)1976: 5 (M5+)1977: 5 (M<3)1977: 42 (M3–4)1977: 46 (M4–5)1977: 5 (M5+)1978: 4 (M<3)1978: 57 (M3–4)1978: 57 (M4–5)1978: 10 (M5+)1979: 8 (M<3)1979: 70 (M3–4)1979: 38 (M4–5)1979: 9 (M5+)1980: 9 (M<3)1980: 52 (M3–4)1980: 51 (M4–5)1980: 6 (M5+)1981: 6 (M<3)1981: 60 (M3–4)1981: 52 (M4–5)1981: 9 (M5+)1982: 7 (M<3)1982: 48 (M3–4)1982: 34 (M4–5)1982: 3 (M5+)1983: 5 (M<3)1983: 45 (M3–4)1983: 42 (M4–5)1983: 6 (M5+)19831984: 5 (M<3)1984: 49 (M3–4)1984: 36 (M4–5)1984: 10 (M5+)1985: 11 (M<3)1985: 127 (M3–4)1985: 120 (M4–5)1985: 16 (M5+)1986: 16 (M<3)1986: 92 (M3–4)1986: 71 (M4–5)1986: 10 (M5+)1987: 26 (M<3)1987: 72 (M3–4)1987: 46 (M4–5)1987: 6 (M5+)1988: 394 (M<3)1988: 111 (M3–4)1988: 40 (M4–5)1988: 7 (M5+)1989: 2,208 (M<3)1989: 218 (M3–4)1989: 63 (M4–5)1989: 7 (M5+)1990: 1,672 (M<3)1990: 134 (M3–4)1990: 64 (M4–5)1990: 8 (M5+)1991: 2,343 (M<3)1991: 141 (M3–4)1991: 27 (M4–5)1991: 7 (M5+)1992: 2,170 (M<3)1992: 172 (M3–4)1992: 49 (M4–5)1992: 5 (M5+)1993: 1,653 (M<3)1993: 172 (M3–4)1993: 81 (M4–5)1993: 6 (M5+)19931994: 1,944 (M<3)1994: 168 (M3–4)1994: 54 (M4–5)1994: 3 (M5+)1995: 2,496 (M<3)1995: 209 (M3–4)1995: 76 (M4–5)1995: 6 (M5+)1996: 2,082 (M<3)1996: 192 (M3–4)1996: 56 (M4–5)1996: 6 (M5+)1997: 1,885 (M<3)1997: 155 (M3–4)1997: 63 (M4–5)1997: 4 (M5+)1998: 1,795 (M<3)1998: 164 (M3–4)1998: 43 (M4–5)1998: 4 (M5+)1999: 1,395 (M<3)1999: 142 (M3–4)1999: 38 (M4–5)1999: 6 (M5+)2000: 1,274 (M<3)2000: 119 (M3–4)2000: 59 (M4–5)2000: 16 (M5+)2001: 2,289 (M<3)2001: 142 (M3–4)2001: 68 (M4–5)2001: 5 (M5+)2002: 21,572 (M<3)2002: 795 (M3–4)2002: 224 (M4–5)2002: 17 (M5+)2003: 19,513 (M<3)2003: 297 (M3–4)2003: 60 (M4–5)2003: 6 (M5+)20032004: 11,697 (M<3)2004: 242 (M3–4)2004: 39 (M4–5)2004: 6 (M5+)2005: 7,444 (M<3)2005: 294 (M3–4)2005: 164 (M4–5)2005: 11 (M5+)2006: 6,945 (M<3)2006: 411 (M3–4)2006: 69 (M4–5)2006: 12 (M5+)2007: 10,134 (M<3)2007: 212 (M3–4)2007: 64 (M4–5)2007: 2 (M5+)2008: 12,800 (M<3)2008: 324 (M3–4)2008: 97 (M4–5)2008: 9 (M5+)2009: 13,152 (M<3)2009: 242 (M3–4)2009: 57 (M4–5)2009: 3 (M5+)2010: 13,189 (M<3)2010: 195 (M3–4)2010: 63 (M4–5)2010: 9 (M5+)2011: 13,674 (M<3)2011: 206 (M3–4)2011: 46 (M4–5)2011: 7 (M5+)2012: 13,188 (M<3)2012: 249 (M3–4)2012: 57 (M4–5)2012: 8 (M5+)2013: 12,557 (M<3)2013: 236 (M3–4)2013: 105 (M4–5)2013: 8 (M5+)20132014: 17,681 (M<3)2014: 423 (M3–4)2014: 347 (M4–5)2014: 61 (M5+)2015: 15,058 (M<3)2015: 191 (M3–4)2015: 85 (M4–5)2015: 6 (M5+)2016: 15,730 (M<3)2016: 151 (M3–4)2016: 58 (M4–5)2016: 4 (M5+)2017: 16,284 (M<3)2017: 254 (M3–4)2017: 64 (M4–5)2017: 8 (M5+)2018: 22,004 (M<3)2018: 749 (M3–4)2018: 125 (M4–5)2018: 20 (M5+)2019: 24,274 (M<3)2019: 418 (M3–4)2019: 88 (M4–5)2019: 9 (M5+)2020: 16,810 (M<3)2020: 632 (M3–4)2020: 92 (M4–5)2020: 15 (M5+)2021: 15,902 (M<3)2021: 644 (M3–4)2021: 104 (M4–5)2021: 18 (M5+)2022: 16,346 (M<3)2022: 543 (M3–4)2022: 98 (M4–5)2022: 11 (M5+)2023: 15,692 (M<3)2023: 847 (M3–4)2023: 133 (M4–5)2023: 12 (M5+)20232024: 14,235 (M<3)2024: 320 (M3–4)2024: 81 (M4–5)2024: 8 (M5+)2025: 6,858 (M<3)2025: 495 (M3–4)2025: 110 (M4–5)2025: 15 (M5+)2026: 5,372 (M<3)2026: 334 (M3–4)2026: 56 (M4–5)2026: 3 (M5+)
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
9.228.03.1964 03:3614.5 km6522 km
7.803.11.2002 22:1211.5 km6506 km
7.620.04.2006 23:2523.9 km7382 km
7.528.02.1979 21:2719 km6276 km
7.307.04.1958 15:3015 km6883 km
7.227.08.1904 21:5635 km6654 km
7.231.01.1912 20:1180 km6524 km
7.222.07.1937 17:0910 km6456 km
7.207.07.1912 07:570 km6478 km
7.203.11.1943 14:3215 km6672 km
7.114.04.1951 13:3310 km6044 km
7.122.01.1910 08:4835 km754 km
7.116.10.1947 02:0926 km6548 km
7.030.11.2018 17:2950.4 km6631 km
7.018.05.1971 22:441.5 km6433 km

Latest earthquakes

MagnitudeDateDepthDistance
2.314.10.2026 00:4081.2 km6506 km
1.314.10.2026 00:075 km6302 km
0.613.10.2026 23:2726.4 km6508 km
1.213.10.2026 23:148.5 km6641 km
1.613.10.2026 21:2759.3 km6584 km
1.513.10.2026 20:3393.3 km6674 km
2.113.10.2026 20:0593.6 km6696 km
1.213.10.2026 19:595 km6495 km
1.813.10.2026 19:342.4 km6613 km
2.413.10.2026 18:00107.8 km6671 km
1.413.10.2026 15:489.2 km6568 km
1.313.10.2026 15:407.4 km6642 km
0.913.10.2026 12:1717.8 km6578 km
2.413.10.2026 11:5896 km6643 km
1.213.10.2026 11:1912.6 km6533 km
1.913.10.2026 11:149.6 km6521 km
1.513.10.2026 09:123.1 km6507 km
1.413.10.2026 08:384.7 km6643 km
3.013.10.2026 08:2898.9 km6680 km
1.713.10.2026 08:1110.1 km6596 km
2.013.10.2026 06:5528.3 km6570 km
1.613.10.2026 06:383.5 km6656 km
2.413.10.2026 05:2054.2 km6608 km
1.413.10.2026 04:1117.9 km6628 km
1.513.10.2026 03:4378.2 km6576 km
2.512.10.2026 23:3584 km6678 km
1.012.10.2026 22:325 km6562 km
2.012.10.2026 22:15124.5 km6655 km
1.512.10.2026 21:38112.8 km6704 km
1.312.10.2026 19:535 km6494 km
1.312.10.2026 19:1113.9 km6726 km
1.412.10.2026 18:4914.2 km6615 km
1.512.10.2026 13:101 km6648 km
2.612.10.2026 12:244.6 km6405 km
1.912.10.2026 12:155 km6593 km
1.612.10.2026 11:4012.4 km6743 km
1.712.10.2026 08:045.1 km6613 km
1.412.10.2026 07:559 km6597 km
1.812.10.2026 07:275 km6402 km
2.312.10.2026 06:215 km6093 km
1.812.10.2026 05:374.5 km6643 km
2.112.10.2026 04:4862.6 km6653 km
2.412.10.2026 04:3362.8 km6576 km
1.012.10.2026 04:045 km6556 km
2.812.10.2026 02:537.4 km6521 km
2.812.10.2026 02:4093.8 km6685 km
1.612.10.2026 01:097.7 km6510 km
1.812.10.2026 00:4775.2 km6601 km
1.512.10.2026 00:3410.5 km6535 km
1.711.10.2026 23:2684 km6724 km
1.611.10.2026 23:005 km6487 km
1.811.10.2026 21:271.8 km6406 km
2.711.10.2026 20:2576.6 km6675 km
2.011.10.2026 19:33130.1 km6655 km
1.111.10.2026 17:547.8 km6463 km
1.511.10.2026 16:5513.7 km6614 km
1.311.10.2026 16:505 km6560 km
2.011.10.2026 16:3673.1 km6599 km
1.311.10.2026 16:2410.9 km6547 km
1.111.10.2026 14:223.6 km6563 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.