Earthquakes on March 18, 2025
264
EARTHQUAKES on March 18, 2025
24-hour UTC period · USGS data
LARGEST: M5.6 — South Sandwich Islands region
37 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
30
M3.0–3.9
22
M2.0–2.9
58
M1.0–1.9
150
Activity Summary
264
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.6
South Sandwich Islands region
22:52 UTC · 36.8 km deep
5.3
13 km SSE of Coquimbo, Chile
21:17 UTC · 68.4 km deep
Felt by 17
5.1
83 km ESE of Wāngjing, India
07:49 UTC · 118.3 km deep
Felt by 3
5.0
South Georgia Island region
02:27 UTC · 10.0 km deep
4.9
130 km ESE of Kirakira, Solomon Islands
14:14 UTC · 38.7 km deep
4.9
Prince Edward Islands region
06:31 UTC · 10.0 km deep
4.8
96 km WNW of Vinchina, Argentina
20:25 UTC · 98.5 km deep
4.8
19 km SW of Lakhdaria, Algeria
09:50 UTC · 10.0 km deep
Felt by 34
Earthquake Map — March 18, 2025
All Earthquakes — March 18, 2025
Showing 30 of 114 (filtered from 264)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-03-18 2025-03-18 23:58:51 UTC | 2.3md | 10 km NNW of Pinnacles, CA 36.605°, -121.212° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 10 km NNW of Pinnacles, CA on March 18, 2025, with origin time 23:58 UTC. Coming 3 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 23:43:51 UTC | 2.1ml | 1 km N of Manhattan Beach, CA 33.892°, -118.409° | 12.3 km | 27 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 1 km N of Manhattan Beach, CA on March 18, 2025 at 23:43 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 23:26:32 UTC | 2.6md | 16 km S of Tres Pinos, CA 36.648°, -121.270° | 6.8 km | 1 | - | - | ✓ Reviewed | USGS → |
On March 18, 2025, worldwide seismic activity registered a magnitude 2.6 earthquake 16 km S of Tres Pinos, CA at 23:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 23:19:09 UTC | 2.5ml | 104 km SSE of Adak, Alaska 51.077°, -175.834° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:19 UTC on March 18, 2025, a magnitude 2.5 tremor occurred 104 km SSE of Adak, Alaska. Coming 10 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:52:34 UTC | 5.6mww | South Sandwich Islands region -55.378°, -28.905° | 36.8 km | - | II | green | ✓ Reviewed | USGS → |
On March 18, 2025 at 22:52 UTC, a magnitude 5.6 earthquake struck in the South Sandwich Islands region. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on March 18, 2025. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:51:26 UTC | 4.2mb | 12 km W of Cauquenes, Chile -35.949°, -72.460° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
On March 18, 2025 at 22:51 UTC, a magnitude 4.2 earthquake struck 12 km W of Cauquenes, Chile. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:43:11 UTC | 2.5ml | 15 km N of Ocotillo Wells, CA 33.277°, -116.132° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 15 km N of Ocotillo Wells, CA on March 18, 2025, with origin time 22:43 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:11:23 UTC | 2.3md | 0 km NNW of Guayanilla, Puerto Rico 18.027°, -66.796° | 18.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 0 km NNW of Guayanilla, Puerto Rico came in on March 18, 2025 at 22:11 UTC. It arrived roughly 11 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:10:21 UTC | 4.6mb | 97 km SW of Jiquilillo, Nicaragua 12.204°, -88.164° | 35.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On March 18, 2025 at 22:10 UTC, a magnitude 4.6 earthquake struck 97 km SW of Jiquilillo, Nicaragua. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 22:03:59 UTC | 2.0ml | 84 km SSW of Point Hope, Alaska 67.678°, -167.696° | 24.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 84 km SSW of Point Hope, Alaska at 22:03 UTC on March 18, 2025. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 21:39:31 UTC | 4.4mb | 30 km NW of Pante Makasar, Timor Leste -9.036°, 124.166° | 91.2 km | - | - | - | ✓ Reviewed | USGS → |
On March 18, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 30 km NW of Pante Makasar, Timor Leste at 21:39 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 21:27:21 UTC | 2.7md | 10 km NNW of Pinnacles, CA 36.605°, -121.211° | 6.9 km | 3 | - | - | ✓ Reviewed | USGS → |
On March 18, 2025, worldwide seismic activity registered a magnitude 2.7 earthquake 10 km NNW of Pinnacles, CA at 21:27 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 21:24:20 UTC | 3.1ml | 1 km ESE of Tourrette-Levens, France 43.783°, 7.292° | 10.0 km | 48 | - | - | ✓ Reviewed | USGS → |
On March 18, 2025 at 21:24 UTC, a magnitude 3.1 earthquake struck 1 km ESE of Tourrette-Levens, France. Coming 4 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 21:17:48 UTC | 5.3mww | 13 km SSE of Coquimbo, Chile -30.066°, -71.283° | 68.4 km | 17 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 13 km SSE of Coquimbo, Chile on March 18, 2025 at 21:17 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 20:57:57 UTC | 4.5mb | 36 km WSW of Port-Vila, Vanuatu -17.871°, 168.003° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 36 km WSW of Port-Vila, Vanuatu came in on March 18, 2025 at 20:57 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 20:25:38 UTC | 4.8mb | 96 km WNW of Vinchina, Argentina -28.405°, -69.105° | 98.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 96 km WNW of Vinchina, Argentina on March 18, 2025, with origin time 20:25 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 20:16:53 UTC | 2.5ml | 25 km S of Denali National Park, Alaska 63.313°, -151.685° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 25 km S of Denali National Park, Alaska at 20:16 UTC on March 18, 2025. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 19:42:28 UTC | 3.2ml | 13 km NNE of Clay Springs, Arizona 34.477°, -110.251° | 5.0 km | 19 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 13 km NNE of Clay Springs, Arizona on March 18, 2025 at 19:42 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 19:17:58 UTC | 4.6mb | 79 km NNE of Luwuk, Indonesia -0.261°, 122.991° | 90.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 79 km NNE of Luwuk, Indonesia on March 18, 2025 at 19:17 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 19:10:18 UTC | 2.1ml | 57 km WNW of Anchor Point, Alaska 59.970°, -152.790° | 109.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 57 km WNW of Anchor Point, Alaska with origin time 19:10 UTC on March 18, 2025. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 18:57:55 UTC | 2.3ml | 33 km WNW of Clam Gulch, Alaska 60.333°, -151.969° | 82.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 33 km WNW of Clam Gulch, Alaska on March 18, 2025 at 18:57 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 18:27:37 UTC | 3.1ml | 70 km SE of Adak, Alaska 51.386°, -175.976° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded 70 km SE of Adak, Alaska on March 18, 2025 at 18:27 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 18:24:53 UTC | 2.8ml | 67 km WNW of Beluga, Alaska 61.322°, -152.285° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
On March 18, 2025 at 18:24 UTC, a magnitude 2.8 earthquake struck 67 km WNW of Beluga, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 18:19:10 UTC | 3.0ml | 8 km SSE of Sleepy Hollow, Wyoming 44.171°, -105.367° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 8 km SSE of Sleepy Hollow, Wyoming with origin time 18:19 UTC on March 18, 2025. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 18:10:48 UTC | 2.0ml | 62 km SSE of Adak, Alaska 51.334°, -176.386° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 62 km SSE of Adak, Alaska on March 18, 2025, with origin time 18:10 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 17:48:39 UTC | 4.4mb | 226 km E of Levuka, Fiji -17.901°, -178.552° | 586.4 km | - | - | - | ✓ Reviewed | USGS → |
At 17:48 UTC on March 18, 2025, a magnitude 4.4 tremor occurred 226 km E of Levuka, Fiji. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 17:44:59 UTC | 3.3ml | 2 km N of Berre-les-Alpes, France 43.855°, 7.331° | 10.0 km | 104 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 2 km N of Berre-les-Alpes, France at 17:44 UTC on March 18, 2025. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 17:35:02 UTC | 2.2md | 4 km E of Saint Helena, CA 38.517°, -122.430° | 8.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 4 km E of Saint Helena, CA at 17:35 UTC on March 18, 2025. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 17:13:41 UTC | 2.3ml | 24 km SE of Nikolski, Alaska 52.761°, -168.661° | 47.3 km | - | - | - | ✓ Reviewed | USGS → |
March 18, 2025 brought a magnitude 2.3 earthquake 24 km SE of Nikolski, Alaska, logged at 17:13 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-18 2025-03-18 16:19:41 UTC | 2.0ml | 63 km SW of Adak, Alaska 51.482°, -177.309° | 55.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 63 km SW of Adak, Alaska came in on March 18, 2025 at 16:19 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on March 18, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.