| Date & time | Mar 31, 2023 21:24:25 UTC - |
| Local time at epicenter | Saturday, Apr 1, 2023 at 12:24 am (GMT +3) |
| Status | Confirmed |
| Magnitude | 1 |
| Depth | 26.4 km |
| Epicenter latitude / longitude | 38.1601°N / 21.655°E  (Greece) |
| Antipode | 38.16°S / 158.345°W |
| Shaking intensity | Not felt |
| Primary data source | NOA (National Observatory of Athens) |
| Nearest volcano | Sousaki (128 km / 80 mi) |
| Nearby towns and cities | 1 km (1 mi) NE of Tsoukalaiika (pop: 393) | Show on map | Quakes nearby 12 km (7 mi) SW of Patras (pop: 168,000) | Show on map | Quakes nearby 15 km (10 mi) E of Limnokhorion (pop: 1,210) | Show on map | Quakes nearby 30 km (19 mi) SSW of Nafpaktos (pop: 13,400) | Show on map | Quakes nearby 31 km (19 mi) SE of Missolonghi (Μεσολόγγι) (pop: 12,800) | Show on map | Quakes nearby 39 km (24 mi) WSW of Aigio (pop: 20,400) | Show on map | Quakes nearby 48 km (30 mi) NNE of Amaliada (pop: 16,800) | Show on map | Quakes nearby 183 km (113 mi) W of Athens (pop: 664,000) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Overcast Clouds  13°C (55 F), humidity: 86%, wind: 2 m/s (4 kts) from SSW |
| Estimated seismic energy released | 2 x 106 joules (0.554 kilowatt hours) | about seismic energy |
| Mag. | Depth | Location | Source |
| 1.0 | 26 km | Greece: 9 Km E From Kato Achaia | NOA |
| 1.0 | 26 km | Greece | RaspberryShake |
Date and time GMT | Mag Depth | Distance | Location | Details |
| Nov 8, 1905 22:06 118 years ago | 7.4 15 km | 228km / 141mi | 10.1 km E of Patitiri, Magnesia, Thessaly, Greece | More |
| Oct 6, 1947 19:55 76 years ago | 7.3 15 km | 161km / 100mi | 27 km SE of Pylos, Messenia, Peloponnese, Greece | More |
| Jan 17, 1983 12:41 40 years ago | 7.0 14 km | 126km / 78mi | 29 km SW of Argostoli, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Feb 14, 2008 10:09 15 years ago | 6.9 29 km | 185km / 115mi | 72 km SW of Kalamata, Messenia, Peloponnese, Greece | More |
| Sep 26, 1932 19:20 91 years ago | 6.9 10 km | 296km / 184mi | Ammouliani, 18 km SW of Ierissos, Chalkidiki, Central Macedonia, Greece | More |
| Jan 18, 1982 19:27 41 years ago | 6.8 10 km | 308km / 191mi | 104 km S of Neapolis, Kavala, East Macedonia and Thrace, Greece | More |
| Mar 31, 1965 09:47 58 years ago | 6.8 75 km | 69km / 43mi | Nisida Agios Georgios, 2.8 km SE of Galaxidi, Phocis, Central Greece | More |
| Aug 12, 1953 09:23 70 years ago | 6.8 10 km | 62km / 39mi | 15 km E of Poros, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Oct 25, 2018 22:54 5 years ago | 6.7 10 km | 116km / 72mi | Ionian Sea, 29 km SW of Lithakia, Zakynthos, Ionian Islands, Greece | More |
| Jan 8, 2006 11:34 17 years ago | 6.7 66 km | 248km / 154mi | 21 km E of Kythira Island, Attica, Greece | More |
| Feb 24, 1981 20:53 42 years ago | 6.7 33 km | 112km / 70mi | Nomos Voiotias, Central Greece, 74 km W of Athens, Greece | More |
| Nov 15, 1959 17:08 64 years ago | 6.7 15 km | 102km / 63mi | Vrachonisida Agios Ioannis, 7.3 km W of Anafonitria, Greece | More |
| Apr 30, 1954 13:02 69 years ago | 6.7 10 km | 127km / 79mi | Nomos Kardhitsas, Thessaly, 9.8 km W of Neo Monastiri, Phthiotis, Central Greece | More |
| Nov 18, 1997 13:07 26 years ago | 6.6 33 km | 110km / 68mi | 70 km W of Pyrgos, Ilia Prefecture, Western Greece | More |
| May 13, 1995 08:47 28 years ago | 6.6 14 km | 221km / 137mi | Grevena, 19 km SW of Kozani, West Macedonia, Greece | More |
| Feb 14, 2008 12:08 15 years ago | 6.5 28 km | 203km / 126mi | 65 km S of Pylos, Messenia, Peloponnese, Greece | More |
| Jul 26, 2001 00:21 22 years ago | 6.5 10 km | 246km / 153mi | 86 km NE of Chalcis, Euboea, Central Greece | More |
| Jun 15, 1995 00:15 28 years ago | 6.5 14 km | 61km / 38mi | Phocis, Central Greece, 51 km E of Patras, Achaea, Western Greece | More |
| Sep 17, 1972 14:07 51 years ago | 6.5 15 km | 120km / 74mi | 26 km NW of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Mar 8, 1957 12:14 66 years ago | 6.5 10 km | 158km / 98mi | 1.1 km S of Kokkina, Magnesia, Thessaly, Greece | More |
| Aug 11, 1953 03:32 70 years ago | 6.5 10 km | 72km / 45mi | Ithaca, 18 km E of Samos, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Apr 22, 1948 10:42 75 years ago | 6.5 15 km | 115km / 71mi | 34 km NW of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Jan 24, 1912 16:23 111 years ago | 6.5 15 km | 63km / 39mi | 31 km W of Amaliada, Ilia Prefecture, Western Greece | More |
| Jun 8, 2008 12:25 15 years ago | 6.4 16 km | 25km / 15mi | Achaea, 24 km NE of Amaliada, Ilia Prefecture, Western Greece | More |
| Oct 13, 1997 13:39 26 years ago | 6.4 24 km | 201km / 125mi | 74 km S of Kalamata, Messenia, Peloponnese, Greece | More |
| Mar 23, 1983 23:51 40 years ago | 6.4 19 km | 123km / 76mi | 28 km W of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Mar 4, 1981 21:58 42 years ago | 6.4 29 km | 143km / 89mi | Nomos Voiotias, Central Greece, 46 km NW of Athens, Greece | More |
| Feb 25, 1981 02:35 42 years ago | 6.4 33 km | 130km / 81mi | 54 km W of Athens, Nomarchia Athinas, Attica, Greece | More |
| Jul 9, 1980 02:11 43 years ago | 6.4 14 km | 172km / 107mi | 13 km SE of Volos, Magnesia, Thessaly, Greece | More |
| May 11, 1976 16:59 47 years ago | 6.4 33 km | 132km / 82mi | 97 km W of Pyrgos, Ilia Prefecture, Western Greece | More |
| Mar 8, 1957 12:21 66 years ago | 6.4 10 km | 142km / 88mi | Magnesia, 15 km SE of Farsala, Nomos Larisis, Thessaly, Greece | More |
| Jun 30, 1948 12:21 75 years ago | 6.4 15 km | 135km / 84mi | 19 km W of Preveza, Nomos Prevézis, Epirus, Greece | More |
| Nov 17, 2015 07:10 8 years ago | 6.3 10 km | 125km / 77mi | Ionian Sea, 21 km W of Lefkada, Ionian Islands, Greece | More |
| Aug 14, 2003 05:14 20 years ago | 6.3 10 km | 144km / 89mi | 26 km NW of Preveza, Nomos Prevézis, Epirus, Greece | More |
| Jul 9, 1980 02:35 43 years ago | 6.3 20 km | 145km / 90mi | 35 km W of Volos, Magnesia, Thessaly, Greece | More |
| Apr 8, 1970 13:50 53 years ago | 6.3 20 km | 91km / 57mi | 98 km W of Athens, Nomarchia Athinas, Attica, Greece | More |
| Jul 6, 1965 03:18 58 years ago | 6.3 20 km | 82km / 51mi | Nisida Agios Dimitrios, 12 km SE of Itea, Phocis, Central Greece | More |
| Aug 27, 1958 15:16 65 years ago | 6.3 15 km | 112km / 70mi | 23 km S of Keri, Zakynthos, Ionian Islands, Greece | More |
| Aug 9, 1953 07:41 70 years ago | 6.3 15 km | 72km / 45mi | 8.6 km NE of Poros, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Aug 30, 1926 11:38 97 years ago | 6.3 50 km | 213km / 132mi | 14 km S of Gefyra, Laconia, Peloponnese, Greece | More |
| Feb 20, 2008 18:27 15 years ago | 6.2 9.9 km | 208km / 130mi | 70 km S of Pylos, Messenia, Peloponnese, Greece | More |
| Jan 6, 2008 05:14 15 years ago | 6.2 75 km | 139km / 86mi | Arcadia, 28 km NE of Sparta, Laconia, Peloponnese, Greece | More |
| May 1, 1967 07:09 56 years ago | 6.2 25 km | 156km / 97mi | 1.7 km SE of Gardiki, Trikala, Thessaly, Greece | More |
| Feb 5, 1966 02:01 57 years ago | 6.2 10 km | 104km / 65mi | 3.7 km NW of Vracha, Nomos Evrytanias, Central Greece | More |
| Jul 17, 1964 02:34 59 years ago | 6.2 153 km | 174km / 108mi | 5.3 km W of Ano Liosia, Attica, Greece | More |
| Sep 13, 1972 04:13 51 years ago | 6.1 82 km | 75km / 47mi | Corinthia, Peloponnese, 72 km SE of Patras, Achaea, Western Greece | More |
| Mar 3, 2021 10:16 2 years ago | 6.0 8.5 km | 184km / 114mi | 22 km NW of Larisa, Nomos Larisis, Thessaly, Greece | More |
| Sep 7, 1999 11:56 24 years ago | 6.0 10 km | 171km / 106mi | 18 km NW of Athens, Nomarchia Athinas, Attica, Greece | More |
| Sep 13, 1986 17:24 37 years ago | 6.0 11 km | 135km / 84mi | 6.3 km SE of Kalamata, Messenia, Peloponnese, Greece | More |
| Nov 18, 1992 21:10 31 years ago | 5.9 15 km | 72km / 44mi | 63 km E of Patras, Achaea, Western Greece | More |
| Oct 16, 1988 12:34 35 years ago | 5.9 25 km | 68km / 42mi | 46 km SE of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Oct 29, 1966 02:39 57 years ago | 5.9 25 km | 79km / 49mi | 5.9 km E of Stanos, Aitoloakarnania, Western Greece | More |
| Jul 6, 1962 09:16 61 years ago | 5.9 35 km | 148km / 92mi | 61 km SW of Argostoli, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Apr 21, 1955 07:18 68 years ago | 5.9 15 km | 188km / 117mi | 4.4 km SE of Tsagkarada, Magnesia, Thessaly, Greece | More |
| Sep 5, 1953 14:18 70 years ago | 5.9 15 km | 134km / 83mi | Nisida Plateia, 18 km E of Corinto, Corinthia, Peloponnese, Greece | More |
| Jan 26, 2014 13:55 9 years ago | 5.8 21 km | 99km / 61mi | Kefalonia, 1.1 km SE of Dilinata, Greece | More |
| Nov 3, 2009 05:25 14 years ago | 5.8 10 km | 126km / 78mi | 47 km SW of Zakynthos, Ionian Islands, Greece | More |
| Mar 18, 1993 15:47 30 years ago | 5.8 59 km | 48km / 30mi | 38 km E of Patras, Achaea, Western Greece | More |
| Aug 20, 1989 18:32 34 years ago | 5.8 10.5 km | 106km / 66mi | 49 km SW of Pyrgos, Ilia Prefecture, Western Greece | More |
| Nov 4, 1973 15:52 50 years ago | 5.8 8 km | 134km / 83mi | 28 km W of Preveza, Nomos Prevézis, Epirus, Greece | More |
| May 4, 1954 16:43 69 years ago | 5.8 15 km | 121km / 75mi | 0.4 km SE of Paliouri, Nomos Kardhitsas, Thessaly, Greece | More |
| Oct 5, 1952 10:54 71 years ago | 5.8 15 km | 120km / 74mi | 29 km SW of Keri, Zakynthos, Ionian Islands, Greece | More |
| Feb 3, 2014 03:08 9 years ago | 5.7 10.5 km | 111km / 69mi | Kefalonia, 6.8 km NW of Lixouri, Greece | More |
| Mar 25, 2007 13:57 16 years ago | 5.7 15 km | 110km / 68mi | Kefalonia, 19 km N of Argostoli, Greece | More |
| Apr 12, 2006 16:52 17 years ago | 5.7 19 km | 87km / 54mi | 20 km S of Zakynthos, Ionian Islands, Greece | More |
| Oct 18, 2005 15:26 18 years ago | 5.7 14 km | 88km / 55mi | 18 km S of Zakynthos, Ionian Islands, Greece | More |
| Jan 31, 2005 01:05 18 years ago | 5.7 32 km | 149km / 93mi | 114 km W of Pyrgos, Ilia Prefecture, Western Greece | More |
| Dec 2, 2002 04:58 21 years ago | 5.7 10 km | 68km / 42mi | 32 km W of Pyrgos, Ilia Prefecture, Western Greece | More |
| Feb 27, 1987 23:34 36 years ago | 5.7 5 km | 124km / 77mi | 36 km NW of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Apr 30, 1985 18:14 38 years ago | 5.7 27 km | 159km / 99mi | 16 km SW of Volos, Magnesia, Thessaly, Greece | More |
| Jan 18, 1976 15:10 47 years ago | 5.7 33 km | 123km / 76mi | 15 km SW of Preveza, Nomos Prevézis, Epirus, Greece | More |
| Dec 16, 1963 13:47 60 years ago | 5.7 15 km | 152km / 94mi | 59 km SW of Philiatra, Messenia, Peloponnese, Greece | More |
| Dec 23, 1954 16:27 68 years ago | 5.7 15 km | 66km / 41mi | 9.1 km S of Arkoudi, Ilia Prefecture, Western Greece | More |
| May 25, 1954 22:03 69 years ago | 5.7 15 km | 126km / 78mi | Nomos Kardhitsas, Thessaly, 4 km W of Sofiada, Phthiotis, Central Greece | More |
| May 4, 1954 16:45 69 years ago | 5.7 15 km | 115km / 71mi | Nomos Kardhitsas, Thessaly, 6.1 km NW of Angiai, Phthiotis, Central Greece | More |
| Apr 17, 1954 20:52 69 years ago | 5.7 20 km | 120km / 74mi | Nisida Plateia, 1.1 km W of Kechries, Corinthia, Peloponnese, Greece | More |
| Mar 8, 1954 08:17 69 years ago | 5.7 15 km | 93km / 58mi | 17 km SE of Argostoli, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Sep 14, 1953 14:56 70 years ago | 5.7 15 km | 73km / 46mi | 7.8 km NE of Poros, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Aug 12, 1953 13:39 70 years ago | 5.7 15 km | 64km / 40mi | 29 km N of Zakynthos, Ionian Islands, Greece | More |
| Sep 22, 2012 03:52 11 years ago | 5.6 10 km | 98km / 61mi | Ionian Sea, 9.8 km N of Kiato, Corinthia, Peloponnese, Greece | More |
| Mar 1, 2004 00:35 19 years ago | 5.6 9.4 km | 121km / 75mi | 10.8 km N of Kalamata, Messenia, Peloponnese, Greece | More |
| May 26, 2000 01:28 23 years ago | 5.6 0 km | 122km / 76mi | 10.3 km W of Preveza, Nomos Prevézis, Epirus, Greece | More |
| Nov 5, 1997 21:10 26 years ago | 5.6 24 km | 63km / 39mi | Phocis, Central Greece, 53 km NE of Patras, Achaea, Western Greece | More |
| Jul 14, 1993 12:31 30 years ago | 5.6 23 km | 11km / 7mi | 3 km SE of Patras, Achaea, Western Greece | More |
| Jan 23, 1992 04:24 31 years ago | 5.6 17 km | 118km / 73mi | 25 km NW of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Jun 16, 1990 02:16 33 years ago | 5.6 32 km | 156km / 97mi | Nomos Prevézis, Epirus, 28 km NE of Antipaxos Island, Greece | More |
| Feb 11, 1984 08:02 39 years ago | 5.6 29 km | 46km / 29mi | Phocis, Central Greece, 36 km NE of Patras, Achaea, Western Greece | More |
| Jan 19, 1983 00:02 40 years ago | 5.6 19 km | 125km / 78mi | 32 km W of Kefalonia Island, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Mar 10, 1981 15:16 42 years ago | 5.6 31 km | 169km / 105mi | 24 km SW of Ioannina, Epirus, Greece | More |
| Jan 19, 1962 19:38 61 years ago | 5.6 25 km | 55km / 34mi | Nisida Prasoudi, 8.8 km W of Lidoriki, Phocis, Central Greece | More |
| Nov 11, 1960 05:31 63 years ago | 5.6 25 km | 106km / 66mi | 1.4 km E of Vafkeri, Lefkada, Ionian Islands, Greece | More |
| Feb 23, 1960 07:34 63 years ago | 5.6 25 km | 120km / 75mi | Nisida Vagia, 10.2 km W of Lefkada, Ionian Islands, Greece | More |
| Dec 1, 1959 12:38 64 years ago | 5.6 15 km | 132km / 82mi | 49 km SW of Argostoli, Kefallonia Regional Unit, Ionian Islands, Greece | More |
| Sep 2, 1958 01:13 65 years ago | 5.6 20 km | 141km / 88mi | 66 km SW of Zakynthos, Ionian Islands, Greece | More |
| Nov 27, 1957 03:08 66 years ago | 5.6 15 km | 151km / 94mi | 9.2 km NW of Almyros, Magnesia, Thessaly, Greece | More |
| Oct 25, 2018 23:09 5 years ago | 5.5 10 km | 128km / 79mi | Ionian Sea, 52 km SW of Zakynthos, Ionian Islands, Greece | More |
| Aug 22, 2010 10:22 13 years ago | 5.5 24 km | 182km / 113mi | 90 km SW of Agios Leon, Zakynthos, Ionian Islands, Greece | More |
| Jan 18, 2010 15:56 13 years ago | 5.5 0.8 km | 38km / 24mi | Nisida Prasoudi, 5.8 km E of Kastraki, Phocis, Central Greece | More |
| Feb 16, 2009 23:16 14 years ago | 5.5 15 km | 138km / 86mi | 84 km SW of Pyrgos, Ilia Prefecture, Western Greece | More |
| Apr 11, 2006 17:29 17 years ago | 5.5 18 km | 84km / 52mi | 11 km S of Zakynthos, Ionian Islands, Greece | More |
