M1.7 earthquake 3 km W of Risco, Missouri

Magnitude

1.7 (Md, duration), micro

Magnitude from

NM

Local time

Tue, Jan 6, 1987, 6:41 PM CST

UTC

1987-01-07 00:41:39 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

36.553° N, 89.858° W

Region

Missouri

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

• Parma, MissouriPopulation 665. Forecast8 kmSSW
• Kennett, MissouriPopulation 10,662. Forecast39 kmNNE
• Memphis, TennesseePopulation 633,104. Forecast157 kmN
• Chicago, IllinoisPopulation 2,664,452. Forecast619 kmSSW

After

1. 1.56 km S of Marston, MissouriWed, Jan 7, 2:38 PM CST · 14515 days ago · 7 km deep · 24 km away
2. 1.56 km NE of Dell, ArkansasWed, Jan 7, 9:42 PM CST · 14515 days ago · 12 km deep · 74 km away
3. 1.78 km NE of Tiptonville, TennesseeThu, Jan 8, 4:25 AM CST · 14515 days ago · 0 km deep · 41 km away
4. 2.23 km E of Marston, MissouriMon, Jan 12, 12:37 AM CST · 14511 days ago · 7 km deep · 25 km away
5. 1.90 km NE of Holland, MissouriWed, Jan 14, 3:23 PM CST · 14508 days ago · 12 km deep · 55 km away
6. 2.05 km NE of Dell, ArkansasThu, Jan 15, 7:06 AM CST · 14508 days ago · 5 km deep · 75 km away
7. 2.26 km WSW of Blytheville, ArkansasThu, Jan 15, 11:04 AM CST · 14508 days ago · 11 km deep · 74 km away
8. 1.84 km ENE of Dell, ArkansasThu, Jan 15, 9:12 PM CST · 14507 days ago · 6 km deep · 77 km away
9. 2.85 km NNE of Dell, ArkansasThu, Jan 15, 9:25 PM CST · 14507 days ago · 8 km deep · 74 km away
10. 2.15 km NE of Dell, ArkansasFri, Jan 16, 5:32 AM CST · 14507 days ago · 5 km deep · 74 km away
11. 1.72 km ESE of Marston, MissouriFri, Jan 16, 7:38 AM CST · 14507 days ago · 3 km deep · 24 km away
12. 2.05 km NNE of Dell, ArkansasTue, Jan 20, 3:24 PM CST · 14502 days ago · 10 km deep · 74 km away
13. 1.612 km NNW of Dyersburg, TennesseeSat, Jan 24, 1:37 AM CST · 14499 days ago · 13 km deep · 61 km away
14. 1.75 km SSW of Blytheville, ArkansasMon, Jan 26, 7:02 AM CST · 14497 days ago · 7 km deep · 75 km away
15. 1.55 km NNW of Burdette, ArkansasMon, Jan 26, 8:47 AM CST · 14497 days ago · 12 km deep · 78 km away
16. 2.010 km NW of Ridgely, TennesseeSun, Feb 1, 11:04 AM CST · 14491 days ago · 5 km deep · 36 km away
17. 2.68 km SSW of Catron, MissouriMon, Feb 2, 9:58 PM CST · 14489 days ago · 2 km deep · 12 km away
18. 2.03 km ESE of Marston, MissouriThu, Feb 5, 10:33 AM CST · 14487 days ago · 7 km deep · 26 km away
19. 1.52 km E of Marston, MissouriFri, Feb 6, 8:41 PM CST · 14485 days ago · 5 km deep · 24 km away
20. 1.610 km SE of Pinhook, MissouriSat, Feb 7, 10:57 PM CST · 14484 days ago · 7 km deep · 57 km away
21. 1.55 km ENE of Malden, MissouriWed, Feb 18, 9:45 AM CST · 14474 days ago · 5 km deep · 5 km away
22. 1.62 km E of Marston, MissouriWed, Feb 18, 6:51 PM CST · 14473 days ago · 3 km deep · 24 km away
23. 1.84 km WNW of Marston, MissouriThu, Feb 26, 10:09 PM CST · 14465 days ago · 10 km deep · 18 km away
24. 1.52 km S of Howardville, MissouriThu, Feb 26, 10:12 PM CST · 14465 days ago · 5 km deep · 23 km away
25. 1.66 km NE of Blytheville, ArkansasThu, Feb 26, 10:20 PM CST · 14465 days ago · 14 km deep · 66 km away
26. 1.65 km ESE of Marston, MissouriSun, Mar 1, 2:30 PM CST · 14462 days ago · 5 km deep · 28 km away
27. 1.64 km NW of Marston, MissouriMon, Mar 2, 6:42 AM CST · 14462 days ago · 8 km deep · 19 km away
28. 1.74 km SW of Cooter, MissouriMon, Mar 2, 11:30 PM CST · 14461 days ago · 9 km deep · 59 km away
29. 2.32 km W of Cooter, MissouriWed, Mar 4, 8:02 PM CST · 14459 days ago · 11 km deep · 56 km away

Before

1. 1.62 km SE of Marston, MissouriTue, Dec 30, 11:41 PM CST · 14523 days ago · 8 km deep · 25 km away
2. 3.24 km ENE of Hayward, MissouriTue, Dec 30, 1:15 AM CST · 14524 days ago · 13 km deep · 25 km away
3. 1.71 km S of Marston, MissouriWed, Dec 24, 9:20 AM CST · 14530 days ago · 6 km deep · 22 km away
4. 1.62 km SSE of Howardville, MissouriThu, Dec 18, 10:15 PM CST · 14535 days ago · 5 km deep · 24 km away
5. 2.56 km ESE of Matthews, MissouriMon, Dec 15, 6:02 PM CST · 14538 days ago · 5 km deep · 36 km away
6. 2.77 km SSW of Wickliffe, KentuckyFri, Dec 12, 5:51 PM CST · 14541 days ago · 12 km deep · 76 km away
7. 2.05 km SSE of Marston, MissouriFri, Dec 12, 5:58 AM CST · 14542 days ago · 5 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event nm602997. Read Mon, Oct 5, 2026, 7:26 AM UTC.