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Earthquakes in Chukotka Autonomous Okrug

400,314 earthquakes catalogued in and around Chukotka Autonomous Okrug between 1903 and 2026. Recorded measurements; not a forecast.

Last updated 4 August 2026 · merged from 5 catalogues
1.2
Latest earthquake · depth 5 km
04.08.2026 05:22 UTC · from centre 6376 km
400,314
recorded earthquakes
M9.2
largest
1903–2026
record span
1.45
mean magnitude
381,762
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: 3,906 (M<3)2026: 247 (M3–4)2026: 39 (M4–5)2026: 2 (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
7.222.07.1937 17:0910 km6456 km
7.231.01.1912 20:1180 km6524 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
7.116.10.1947 02:0926 km6548 km
7.122.01.1910 08:4835 km754 km
7.030.11.2018 17:2950.4 km6631 km
7.018.05.1971 22:441.5 km6433 km

Latest earthquakes

MagnitudeDateDepthDistance
1.204.08.2026 05:225 km6376 km
1.404.08.2026 04:3111.5 km6525 km
1.404.08.2026 03:245 km6617 km
2.804.08.2026 01:325.3 km6922 km
1.603.08.2026 20:145 km6396 km
1.603.08.2026 17:1412.1 km6616 km
1.903.08.2026 16:41143 km6613 km
2.303.08.2026 15:095 km6673 km
1.303.08.2026 13:541.3 km6570 km
2.003.08.2026 13:1511.9 km6548 km
1.903.08.2026 12:344.4 km6670 km
2.503.08.2026 12:075 km6406 km
2.003.08.2026 10:485 km6832 km
1.803.08.2026 10:079.8 km6522 km
2.003.08.2026 09:200.1 km6640 km
1.603.08.2026 09:046.3 km6785 km
1.003.08.2026 08:440.6 km6567 km
1.303.08.2026 05:101.7 km6732 km
1.703.08.2026 05:0555.7 km6602 km
1.603.08.2026 04:476.3 km6672 km
2.503.08.2026 04:20129.3 km6660 km
2.703.08.2026 03:375 km6051 km
2.003.08.2026 03:335 km6896 km
0.503.08.2026 03:328.8 km6413 km
1.503.08.2026 03:035 km6677 km
1.103.08.2026 01:265 km6552 km
1.803.08.2026 00:421.7 km6403 km
1.903.08.2026 00:090.7 km6640 km
2.802.08.2026 22:0710 km7099 km
1.002.08.2026 21:1010.3 km6636 km
2.902.08.2026 17:540 km909 km
1.802.08.2026 17:351.3 km6520 km
1.202.08.2026 17:211.6 km6496 km
1.702.08.2026 16:183.6 km6640 km
2.102.08.2026 16:130.3 km6402 km
1.702.08.2026 12:25112.2 km6522 km
1.402.08.2026 11:540 km6445 km
1.702.08.2026 09:46104.5 km6636 km
0.802.08.2026 09:353.6 km6542 km
1.002.08.2026 08:595 km6469 km
1.702.08.2026 05:1071.9 km6672 km
2.902.08.2026 05:0110 km818 km
1.602.08.2026 03:407.6 km6657 km
1.802.08.2026 00:355 km6594 km
1.401.08.2026 16:4299.7 km6612 km
2.501.08.2026 11:3895.6 km6702 km
2.501.08.2026 11:3713.6 km6545 km
2.301.08.2026 10:388.4 km6712 km
1.301.08.2026 09:575 km6611 km
1.301.08.2026 08:5743.1 km6552 km
0.801.08.2026 08:554.2 km6542 km
1.301.08.2026 08:215 km6620 km
1.001.08.2026 08:0532.2 km6612 km
1.901.08.2026 05:572.6 km6595 km
1.001.08.2026 04:0519.6 km6594 km
1.001.08.2026 04:0121.7 km6594 km
1.901.08.2026 03:552.4 km6595 km
1.401.08.2026 03:5120 km6594 km
2.501.08.2026 03:485 km6598 km
2.201.08.2026 03:4518.1 km6594 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.