| Date & time | Mar 18, 2023 14:40:58 UTC - |
| Local time at epicenter | Saturday, Mar 18, 2023 at 1:40 pm (GMT -1) |
| Status | Confirmed |
| Magnitude | 2.1 |
| Depth | 8.0 km |
| Epicenter latitude / longitude | 38.685°N / 28.202°W  (Velas Municipality, Azores, Portugal) |
| Antipode | 38.685°S / 151.798°E |
| Shaking intensity | Very weak shaking |
| Felt | 0 reports |
| Primary data source | IPMA (Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera, IPMA)) |
| Nearest volcano | São Jorge (9 km / 6 mi) |
| Nearby towns and cities | 1 km (0 mi) ENE of Velas (pop: 1,980) | Show on map | Quakes nearby 18 km (11 mi) WNW of Calheta (pop: 3,770) | Show on map | Quakes nearby 21 km (13 mi) NNE of Cais do Pico (pop: 3,390) | Show on map | Quakes nearby 33 km (20 mi) N of Lajes (pop: 4,710) | Show on map | Quakes nearby 40 km (25 mi) ENE of Horta (Azoren) (pop: 6,570) | Show on map | Quakes nearby 48 km (30 mi) SSW of Santa Cruz da Graciosa (pop: 1,780) | Show on map | Quakes nearby 86 km (53 mi) W of Angra do Heroismo (Angra do Heroísmo Municipality) (pop: 12,000) | Show on map | Quakes nearby 99 km (61 mi) W of Praia da Vitoria (Praia da Vitória) (pop: 6,060) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Overcast Clouds  16.1°C (61 F), humidity: 79%, wind: 6 m/s (12 kts) from S |
| Estimated seismic energy released | 8.9 x 107 joules (24.8 kilowatt hours) | about seismic energy |
| Mag. | Depth | Location | Source |
| 2.1 | 8 km | Portugal: Ilha De S. Jorge (W) | IPMA |
| 1.8 | 0 km | Portugal: S. Jorge | IVAR (AZO) |
Date and time GMT | Mag Depth | Distance | Location | Details |
| Jan 1, 1980 16:42 43 years ago | 6.7 10 km | 39km / 24mi | 30 km NE of São Jorge Island, Velas Municipality, Azores, Portugal | More |
| Jul 9, 1998 05:19 25 years ago | 6.2 10 km | 37km / 23mi | Faial Island, 13 km N of Horta, Azores, Portugal | More |
| Jun 27, 1997 04:39 26 years ago | 5.9 10 km | 138km / 86mi | 59 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jun 26, 1989 10:38 34 years ago | 5.9 11 km | 48km / 30mi | 21 km W of Santa Cruz da Graciosa, Azores, Portugal | More |
| Sep 18, 1964 13:12 59 years ago | 5.7 15 km | 185km / 115mi | 133 km NE of Lajes das Flores, Azores, Portugal | More |
| Nov 10, 1953 15:08 69 years ago | 5.6 15 km | 53km / 33mi | 41 km N of Horta, Azores, Portugal | More |
| Jul 22, 1988 21:16 35 years ago | 5.5 10 km | 177km / 110mi | Portugal | More |
| Jan 11, 2021 12:47 2 years ago | 5.4 10 km | 102km / 64mi | North Atlantic Ocean, 63 km W of Ribeira Grande, Portugal | More |
| Jan 20, 1993 14:49 30 years ago | 5.4 10 km | 95km / 59mi | 57 km W of Horta, Azores, Portugal | More |
| Feb 12, 1981 01:50 42 years ago | 5.4 10 km | 129km / 80mi | 46 km SE of Angra do Heroismo, Azores, Portugal | More |
| May 15, 1963 12:08 60 years ago | 5.4 15 km | 156km / 97mi | 82 km SE of Angra do Heroismo, Azores, Portugal | More |
| Apr 13, 1950 11:51 73 years ago | 5.4 15 km | 111km / 69mi | 148 km W of Ponta Delgada, Azores, Portugal | More |
| Jun 27, 1997 17:23 26 years ago | 5.2 10 km | 133km / 83mi | 57 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jun 23, 1991 10:44 32 years ago | 5.2 10 km | 168km / 105mi | 150 km NW of Horta, Azores, Portugal | More |
| Nov 16, 1978 22:02 44 years ago | 5.2 10 km | 187km / 116mi | Portugal | More |
| Mar 29, 2017 06:35 6 years ago | 5.1 10 km | 185km / 115mi | North Atlantic Ocean, 132 km NE of Lajes das Flores, Azores, Portugal | More |
| Mar 29, 2017 06:29 6 years ago | 5.1 10 km | 161km / 100mi | North Atlantic Ocean, 390 km NW of Ponta Delgada, Azores, Portugal | More |
| Nov 14, 2011 11:34 11 years ago | 5.1 10 km | 174km / 108mi | 146 km E of Lajes das Flores, Azores, Portugal | More |
| Nov 30, 2002 22:54 20 years ago | 5.1 10 km | 56km / 35mi | 65 km N of Horta, Azores, Portugal | More |
| Aug 1, 2000 04:35 23 years ago | 5.1 10 km | 71km / 44mi | 44 km NW of Horta, Azores, Portugal | More |
| Jun 28, 1997 13:32 26 years ago | 5.1 10 km | 128km / 80mi | 51 km SE of Angra do Heroismo, Azores, Portugal | More |
| Sep 23, 1989 15:31 34 years ago | 5.1 13 km | 168km / 104mi | 150 km NW of Horta, Azores, Portugal | More |
| Nov 23, 1973 13:36 49 years ago | 5.1 5 km | 27km / 17mi | Lajes do Pico Municipality, 21 km SE of Madalena, Azores, Portugal | More |
| Aug 30, 2017 14:19 6 years ago | 5.0 10 km | 189km / 117mi | North Atlantic Ocean, 424 km NW of Ponta Delgada, Azores, Portugal | More |
| Dec 13, 2010 09:44 12 years ago | 5.0 10 km | 147km / 91mi | 391 km NW of Ponta Delgada, Azores, Portugal | More |
| Aug 18, 2007 16:20 16 years ago | 5.0 10 km | 178km / 111mi | 162 km NW of Horta, Azores, Portugal | More |
| Jan 12, 1993 18:23 30 years ago | 5.0 10 km | 93km / 58mi | 46 km W of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Dec 11, 1973 00:10 49 years ago | 5.0 33 km | 41km / 25mi | Faial Island, 23 km N of Horta, Azores, Portugal | More |
| Jun 14, 2015 05:32 8 years ago | 4.9 10 km | 62km / 38mi | North Atlantic Ocean, 19 km W of Ribeira Grande, Portugal | More |
| Nov 14, 2011 17:06 11 years ago | 4.9 10 km | 175km / 109mi | 413 km NW of Ponta Delgada, Azores, Portugal | More |
| Jan 28, 1993 03:06 30 years ago | 4.9 10 km | 91km / 57mi | 48 km W of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Jan 29, 1983 18:29 40 years ago | 4.9 10 km | 103km / 64mi | 66 km W of Horta, Azores, Portugal | More |
| Dec 18, 2019 09:51 3 years ago | 4.8 10 km | 77km / 48mi | North Atlantic Ocean, 31 km W of Ribeira Grande, Portugal | More |
| Apr 24, 2015 22:14 8 years ago | 4.8 10 km | 79km / 49mi | North Atlantic Ocean, 39 km NW of Ribeira Grande, Portugal | More |
| Feb 23, 1998 16:05 25 years ago | 4.8 10 km | 108km / 67mi | 85 km NW of Horta, Azores, Portugal | More |
| Jun 28, 1997 13:31 26 years ago | 4.8 10 km | 129km / 80mi | 55 km SE of Angra do Heroismo, Azores, Portugal | More |
| Apr 30, 2015 06:29 8 years ago | 4.7 10 km | 85km / 53mi | North Atlantic Ocean, 40 km W of Ribeira Grande, Portugal | More |
| Nov 30, 2002 22:53 20 years ago | 4.7 10 km | 61km / 38mi | 48 km W of Graciosa Island, Portugal | More |
| Jul 11, 1998 00:49 25 years ago | 4.7 10 km | 57km / 35mi | Faial Island, 10.1 km W of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Feb 16, 1993 17:03 30 years ago | 4.7 10 km | 100km / 62mi | 78 km NW of Horta, Azores, Portugal | More |
| Feb 15, 1993 02:57 30 years ago | 4.7 13 km | 90km / 56mi | 44 km W of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Aug 14, 2012 12:31 11 years ago | 4.6 10.1 km | 130km / 81mi | North Atlantic Ocean, 375 km NW of Ponta Delgada, Azores, Portugal | More |
| Feb 24, 1993 22:12 30 years ago | 4.6 10 km | 83km / 52mi | 49 km W of Horta, Azores, Portugal | More |
| Jun 28, 1989 20:24 34 years ago | 4.6 10 km | 40km / 25mi | 32 km W of Graciosa Island, Portugal | More |
| Dec 13, 2019 07:47 3 years ago | 4.5 0 km | 76km / 47mi | North Atlantic Ocean, 36 km NW of Ribeira Grande, Portugal | More |
| Apr 25, 2004 09:30 19 years ago | 4.5 10 km | 65km / 40mi | 48 km W of Santa Cruz da Graciosa, Azores, Portugal | More |
| Jul 15, 1997 21:00 26 years ago | 4.5 10 km | 128km / 80mi | 51 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jun 29, 1997 04:22 26 years ago | 4.5 10 km | 128km / 80mi | 50 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jun 27, 1997 22:28 26 years ago | 4.5 10 km | 101km / 63mi | Terceira Island, 5 km SE of Praia da Vitoria, Azores, Portugal | More |
| Aug 10, 1993 17:04 30 years ago | 4.5 10 km | 130km / 81mi | 59 km SE of Angra do Heroismo, Azores, Portugal | More |
| Feb 21, 1993 20:31 30 years ago | 4.5 10 km | 86km / 54mi | 40 km SW of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Dec 18, 2019 14:40 3 years ago | 4.4 0 km | 83km / 51mi | North Atlantic Ocean, 39 km W of Ribeira Grande, Portugal | More |
| Nov 5, 2019 07:22 3 years ago | 4.4 0 km | 78km / 49mi | North Atlantic Ocean, 38 km W of Ribeira Grande, Portugal | More |
| Apr 19, 2015 22:02 8 years ago | 4.4 10 km | 88km / 54mi | North Atlantic Ocean, 47 km W of Ribeira Grande, Portugal | More |
| Nov 24, 1997 19:08 25 years ago | 4.4 10 km | 35km / 22mi | Graciosa, 13 km SW of Santa Cruz da Graciosa, Azores, Portugal | More |
| Jan 5, 1996 03:43 27 years ago | 4.4 10 km | 97km / 60mi | 29 km S of Angra do Heroismo, Azores, Portugal | More |
| Jan 25, 1978 22:01 45 years ago | 4.4 10 km | 119km / 74mi | 79 km W of Horta, Azores, Portugal | More |
| Mar 15, 2020 06:02 3 years ago | 4.3 2 km | 153km / 95mi | North Atlantic Ocean, 144 km NW of Horta, Azores, Portugal | More |
| Jun 28, 2003 02:57 20 years ago | 4.3 10 km | 55km / 34mi | 60 km N of Horta, Azores, Portugal | More |
| May 7, 2003 15:01 20 years ago | 4.3 10 km | 88km / 55mi | 66 km NW of Santa Cruz da Graciosa, Azores, Portugal | More |
| Jul 9, 1998 06:12 25 years ago | 4.3 10 km | 42km / 26mi | Faial Island, 8.1 km S of Horta, Azores, Portugal | More |
| Mar 27, 1998 01:33 25 years ago | 4.3 10 km | 120km / 75mi | 90 km NW of Horta, Azores, Portugal | More |
| Jun 17, 1996 08:19 27 years ago | 4.3 10 km | 130km / 81mi | 51 km SE of Angra do Heroismo, Azores, Portugal | More |
| Feb 5, 1993 22:34 30 years ago | 4.3 10 km | 99km / 61mi | 52 km W of Ribeira Grande, Castelo Branco, Azores, Portugal | More |
| Nov 30, 1992 19:51 30 years ago | 4.3 10 km | 78km / 49mi | 61 km NW of Horta, Azores, Portugal | More |
| Nov 21, 2019 23:47 3 years ago | 4.2 0 km | 85km / 53mi | North Atlantic Ocean, 41 km W of Ribeira Grande, Portugal | More |
| Nov 12, 2019 05:36 3 years ago | 4.2 0 km | 83km / 51mi | North Atlantic Ocean, 40 km W of Ribeira Grande, Portugal | More |
| Aug 29, 2016 05:12 7 years ago | 4.2 5 km | 81km / 50mi | North Atlantic Ocean, 37 km W of Ribeira Grande, Portugal | More |
| Jan 27, 2008 13:52 15 years ago | 4.2 10 km | 127km / 79mi | 46 km SE of Angra do Heroismo, Azores, Portugal | More |
| Feb 14, 1993 13:42 30 years ago | 4.2 10 km | 49km / 31mi | 30 km NW of Horta, Azores, Portugal | More |
| Dec 29, 1991 06:54 31 years ago | 4.2 10 km | 131km / 82mi | 64 km SE of Angra do Heroismo, Azores, Portugal | More |
| Nov 24, 2019 15:43 3 years ago | 4.1 0 km | 83km / 51mi | North Atlantic Ocean, 40 km W of Ribeira Grande, Portugal | More |
| May 7, 2003 15:19 20 years ago | 4.1 10 km | 47km / 29mi | 54 km N of Horta, Azores, Portugal | More |
| Jul 7, 1997 19:39 26 years ago | 4.1 10 km | 127km / 79mi | 52 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jul 17, 1993 02:43 30 years ago | 4.1 10 km | 12km / 7mi | 33 km NE of Madalena, Azores, Portugal | More |
| May 3, 1989 20:37 34 years ago | 4.1 10 km | 35km / 22mi | Graciosa, 20 km SW of Santa Cruz da Graciosa, Azores, Portugal | More |
| Mar 29, 2022 21:56 52 weeks ago | 4.0 12 km | 2km / 1mi | North Atlantic Ocean, 1.5 km SE of Velas, Azores, Portugal | More |
| Feb 14, 2021 04:47 2 years ago | 4.0 10 km | 108km / 67mi | North Atlantic Ocean, 77 km NW of Horta, Azores, Portugal | More |
| Dec 24, 2019 17:44 3 years ago | 4.0 0 km | 80km / 50mi | North Atlantic Ocean, 38 km W of Ribeira Grande, Portugal | More |
| Jun 3, 2019 19:05 4 years ago | 4.0 0 km | 129km / 80mi | North Atlantic Ocean, 54 km SE of Angra do Heroismo, Azores, Portugal | More |
| Feb 10, 2016 04:40 7 years ago | 4.0 10 km | 130km / 80mi | North Atlantic Ocean, 113 km NW of Horta, Azores, Portugal | More |
| Sep 25, 2013 07:40 10 years ago | 4.0 5 km | 62km / 39mi | North Atlantic Ocean, 48 km NW of Horta, Azores, Portugal | More |
| Nov 30, 1994 19:16 28 years ago | 4.0 10 km | 118km / 73mi | 48 km SE of Angra do Heroismo, Azores, Portugal | More |
| Nov 30, 1994 19:14 28 years ago | 4.0 10 km | 121km / 75mi | 50 km SE of Angra do Heroismo, Azores, Portugal | More |
| Dec 29, 1991 07:01 31 years ago | 4.0 10 km | 133km / 83mi | 64 km SE of Angra do Heroismo, Azores, Portugal | More |
| Jan 13, 2021 18:47 2 years ago | 3.9 1 km | 98km / 61mi | North Atlantic Ocean, 62 km NW of Ribeira Grande, Portugal | More |
| Jan 11, 2021 13:33 2 years ago | 3.9 0 km | 100km / 62mi | North Atlantic Ocean, 67 km NW of Ribeira Grande, Portugal | More |
| Jan 25, 2020 18:44 3 years ago | 3.9 0 km | 76km / 47mi | North Atlantic Ocean, 37 km NW of Ribeira Grande, Portugal | More |
| Dec 21, 2019 02:41 3 years ago | 3.9 0 km | 84km / 52mi | North Atlantic Ocean, 41 km W of Ribeira Grande, Portugal | More |
| Nov 8, 2019 23:26 3 years ago | 3.9 0 km | 77km / 48mi | North Atlantic Ocean, 38 km NW of Ribeira Grande, Portugal | More |
| May 8, 2015 18:10 8 years ago | 3.9 8 km | 93km / 58mi | North Atlantic Ocean, 54 km W of Ribeira Grande, Portugal | More |
| May 1, 2015 00:05 8 years ago | 3.9 1 km | 88km / 55mi | North Atlantic Ocean, 49 km W of Ribeira Grande, Portugal | More |
| Apr 5, 2013 01:11 10 years ago | 3.9 4 km | 33km / 20mi | North Atlantic Ocean, 19 km N of Horta, Azores, Portugal | More |
| Nov 7, 2022 05:11 20 weeks ago | 3.8 8 km | 63km / 39mi | North Atlantic Ocean, 47 km NW of Horta, Azores, Portugal | More |
| May 29, 2021 21:46 1 year 43 weeks ago | 3.8 11 km | 28km / 17mi | North Atlantic Ocean, 45 km NE of Lajes, Azores, Portugal | More |
| Aug 30, 2020 23:28 3 years ago | 3.8 0 km | 77km / 48mi | North Atlantic Ocean, 37 km NW of Ribeira Grande, Portugal | More |
| Dec 12, 2019 21:02 3 years ago | 3.8 0 km | 83km / 52mi | North Atlantic Ocean, 42 km W of Ribeira Grande, Portugal | More |
| Nov 27, 2019 03:53 3 years ago | 3.8 0 km | 82km / 51mi | North Atlantic Ocean, 41 km W of Ribeira Grande, Portugal | More |
| Nov 15, 2019 22:52 3 years ago | 3.8 0 km | 83km / 52mi | North Atlantic Ocean, 42 km W of Ribeira Grande, Portugal | More |
| Nov 5, 2019 22:19 3 years ago | 3.8 0 km | 78km / 48mi | North Atlantic Ocean, 38 km NW of Ribeira Grande, Portugal | More |
