Global Seismic Activity Report: March 19, 2026
A moderate level of global seismic activity was recorded over the past 24 hours, with 531 earthquakes reported worldwide as of Thursday, March 19, 2026. This includes four earthquakes registering a magnitude of 5.0 or higher. The total seismic energy released during this period is estimated at 2.9 x 1013 joules, equivalent to approximately 7,048 tons of TNT or 0.4 atomic bombs .
Key Earthquakes – Past 24 Hours
The most significant seismic events in the last 24 hours are detailed below:
- Magnitude 5.4 – Indian Ocean, Mauritius. Occurred on Wednesday, March 18, 2026, at 4:10 PM GMT+5.
- Magnitude 5.1 – South Atlantic Ocean, 46 km southeast of Bristol Island, South Georgia and the South Sandwich Islands. Occurred on Thursday, March 19, 2026, at 12:07 AM GMT-2.
- Magnitude 5.0 – South of Kermadec Islands. Occurred on Wednesday, March 18, 2026, at 9:07 AM GMT-12.
- Magnitude 5.0 – 61 km southwest of Puerto Barrios, Departamento de Izabal, Guatemala. Occurred on Wednesday, March 18, 2026, at 11:35 AM local time. This quake was reported as felt by 127 people.
Other Notable Seismic Activity
Additional earthquakes reported with felt reports include:
- Magnitude 3.4 – 13 km southeast of Calamba, Province of Laguna, Calabarzon, Philippines. Reported as felt by 56 people on Wednesday, March 18, 2026, at 9:02 PM GMT+8.
- Magnitude 3.5 – Panama Oeste, 15 km west of Panama City, Provincia de Panama, Panama. Reported as felt by 41 people on Wednesday, March 18, 2026, at 11:50 AM GMT-5.
- Magnitude 4.4 – Province of Pangasinan, 45 km west of Bauang, Philippines. Reported as felt by 5 people on Thursday, March 19, 2026, at 6:11 AM Manila time.
Regional Seismic Activity
A magnitude 1.6 earthquake was detected near China Lake Acres, California, on Thursday, March 19, 2026, at 3:49 AM UTC. The depth of this quake was 9.0 km. . A magnitude 3.0 earthquake was likewise reported in Koroška, Slovenia.
Ongoing Monitoring
Seismic activity is continuously monitored by global networks. This report will be updated hourly. For the latest information, please refer to the USGS Earthquake Hazards Program and EarthquakeMonitor.