1. Mid-indian Ridge

M 5.2 • 11:10:59 UTC

A magnitude 5.2 earthquake struck near Mid-indian Ridge, on March 18, 2026, at 11:10:59 UTC. The quake originated at a depth of 10.0 km, according to seismic data.

At the time of the event, local weather conditions were reported as light rain, with an ambient temperature of around 26°C.

Technical details of the earthquake were confirmed by EMSC and the USGS. Data may be subject to revision in the hours and days following the event.

2. 227 Km Ese Of Attu Station, Alaska

M 5.2 • 04:36:32 UTC

A magnitude 5.2 earthquake struck near 227 Km Ese Of Attu Station, Alaska, on March 18, 2026, at 04:36:32 UTC. The quake originated at a depth of 12.8 km, according to seismic data.

At the time of the event, local weather conditions were reported as overcast clouds, with an ambient temperature of around 3°C.

Technical details of the earthquake were confirmed by EMSC and the USGS. Data may be subject to revision in the hours and days following the event.

3. Southeast Of Honshu, Japan

M 5.0 • 10:08:42 UTC

A magnitude 5.0 earthquake struck near Southeast Of Honshu, Japan, on March 18, 2026, at 10:08:42 UTC. The quake originated at a depth of 10.0 km, according to seismic data.

At the time of the event, local weather conditions were reported as overcast clouds, with an ambient temperature of around 17°C.

Technical details of the earthquake were confirmed by EMSC and the USGS. Data may be subject to revision in the hours and days following the event.

4. Mariana Islands

M 4.6 • 06:04:29 UTC

A magnitude 4.6 earthquake struck near Mariana Islands, on March 18, 2026, at 06:04:29 UTC. The quake originated at a depth of 319.0 km, according to seismic data.

At the time of the event, local weather conditions were reported as overcast clouds, with an ambient temperature of around 24°C.

Technical details of the earthquake were confirmed by EMSC and the USGS. Data may be subject to revision in the hours and days following the event.

5. Southwest Of Sumatra, Indonesia

M 4.3 • 09:07:23 UTC

A magnitude 4.3 earthquake struck near Southwest Of Sumatra, Indonesia, on March 18, 2026, at 09:07:23 UTC. The quake originated at a depth of 10.0 km, according to seismic data.

At the time of the event, local weather conditions were reported as scattered clouds, with an ambient temperature of around 28°C.

Technical details of the earthquake were confirmed by EMSC and the USGS. Data may be subject to revision in the hours and days following the event.

Our editorial team carefully monitors seismic data to provide in-depth analysis. Explore our real-time interactive Live Map for more details.