Nagano, Japan: 385 earthquakes of magnitude 4.0+ detected within 100 km.
Map
The map centers on Nagano and highlights the most recent earthquakes detected within 100 km.
Timeline
| UTC | Magnitude | Region | Depth |
|---|---|---|---|
| 2026-04-18 05:54 | M 4.9 |
Chikuma
Japan
|
10.0 km |
| 2026-04-18 04:20 | M 4.9 |
Chikuma
Japan
|
10.0 km |
| 2026-01-15 05:48 | M 5.1 |
Matsumoto
Japan
|
2.3 km |
| 2026-01-15 05:40 | M 4.7 |
Azumino
Japan
|
7.8 km |
| 2025-08-23 10:22 | M 4.1 |
Chichibu
Japan
|
129.5 km |
Monthly profile
Historic snapshot
Strongest years
| Year | Max magnitude | Earthquakes |
|---|---|---|
| 2026 | M 5.1 | 4 |
| 2025 | M 4.8 | 5 |
| 2024 | M 4.9 | 4 |
| 2023 | M 4.3 | 1 |
| 2022 | M 4.5 | 6 |
| 2021 | M 5.1 | 8 |
| 2020 | M 5.2 | 15 |
| 2019 | M 4.6 | 3 |
| 2018 | M 5.1 | 4 |
| 2017 | M 5.1 | 4 |
| 2016 | M 4.9 | 8 |
| 2015 | M 4.9 | 7 |
| 2014 | M 6.2 | 16 |
| 2013 | M 5.8 | 8 |
| 2012 | M 4.8 | 6 |
| 2011 | M 6.2 | 29 |
| 2010 | M 4.6 | 4 |
| 2009 | M 4.6 | 2 |
| 2008 | M 4.4 | 6 |
| 2007 | M 5.7 | 10 |
| 2006 | M 4.3 | 4 |
| 2005 | M 4.9 | 15 |
| 2004 | M 6.6 | 77 |
| 2003 | M 4.4 | 4 |
| 2002 | M 4.7 | 7 |
| 2001 | M 5.3 | 8 |
| 2000 | M 4.4 | 4 |
| 1999 | M 4.9 | 1 |
| 1998 | M 5.5 | 15 |
| 1997 | M 4.2 | 3 |
| 1996 | M 4.7 | 3 |
| 1995 | M 4.5 | 4 |
| 1993 | M 4.8 | 7 |
| 1992 | M 4.5 | 1 |
| 1991 | M 5.2 | 4 |
| 1990 | M 5.3 | 21 |
| 1989 | M 4.7 | 1 |
| 1988 | M 4.7 | 3 |
| 1987 | M 5.7 | 8 |
| 1986 | M 5.6 | 6 |
| 1984 | M 4.9 | 2 |
| 1983 | M 5.1 | 4 |
| 1982 | M 4.5 | 1 |
| 1981 | M 5.4 | 5 |
| 1979 | M 4.3 | 1 |
| 1978 | M 4.3 | 2 |
| 1977 | M 5.4 | 2 |
| 1976 | M 5.4 | 4 |
| 1975 | M 4.9 | 1 |
| 1973 | M 4.4 | 1 |
| 1971 | M 5.7 | 2 |
| 1968 | M 5.6 | 1 |
| 1967 | M 5.7 | 2 |
| 1966 | M 5.8 | 7 |
| 1941 | M 6.3 | 1 |
| 1934 | M 5.7 | 1 |
| 1933 | M 6.0 | 1 |
| 1918 | M 6.1 | 1 |