Earthquakes on March 20, 2025
377
EARTHQUAKES on March 20, 2025
24-hour UTC period · USGS data
LARGEST: M5.7 — South Sandwich Islands region
24 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
40
M3.0–3.9
45
M2.0–2.9
120
M1.0–1.9
162
Activity Summary
377
Total earthquakes
~250
Daily average
Elevated
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
South Sandwich Islands region
06:30 UTC · 24.1 km deep
5.6
93 km SSE of Adak, Alaska
04:28 UTC · 17.0 km deep
Felt by 4
5.4
Mid-Indian Ridge
21:00 UTC · 10.0 km deep
5.4
94 km SSE of Adak, Alaska
05:13 UTC · 35.0 km deep
Felt by 2
5.3
South Sandwich Islands region
12:04 UTC · 117.9 km deep
5.2
southeast of the Loyalty Islands
19:36 UTC · 10.0 km deep
5.2
87 km SSE of Adak, Alaska
06:07 UTC · 20.0 km deep
Felt by 2
5.2
169 km NNW of Bosaso, Somalia
03:56 UTC · 10.0 km deep
Earthquake Map — March 20, 2025

All Earthquakes — March 20, 2025
Showing 30 of 215 (filtered from 377)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-03-20 2025-03-20 23:58:44 UTC | 2.0ml | 86 km E of Akutan, Alaska 54.245°, -164.463° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 86 km E of Akutan, Alaska on March 20, 2025 at 23:58 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 23:45:52 UTC | 2.0md | 6 km N of Redding, CA 40.627°, -122.377° | 22.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:45 UTC on March 20, 2025, a magnitude 2.0 tremor occurred 6 km N of Redding, CA. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 23:38:29 UTC | 2.4md | 2 km SSE of Indios, Puerto Rico 17.975°, -66.810° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 2 km SSE of Indios, Puerto Rico came in on March 20, 2025 at 23:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 15 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 23:30:09 UTC | 2.8ml | 92 km SE of King Cove, Alaska 54.437°, -161.363° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 92 km SE of King Cove, Alaska at 23:30 UTC on March 20, 2025. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 23:29:48 UTC | 2.5ml | 10 km ENE of Borrego Springs, CA 33.295°, -116.280° | 10.5 km | 4 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 10 km ENE of Borrego Springs, CA at 23:29 UTC on March 20, 2025. It arrived roughly 15 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 23:13:16 UTC | 5.0mww | southeast Indian Ridge -46.699°, 102.322° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place near southeast Indian Ridge on March 20, 2025 at 23:13 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:59:47 UTC | 4.5mb | Mid-Indian Ridge -16.287°, 66.825° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near Mid-Indian Ridge on March 20, 2025 at 22:59 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:45:34 UTC | 4.0md | 143 km NNE of Vieques, Puerto Rico 19.636°, -65.347° | 64.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 143 km NNE of Vieques, Puerto Rico on March 20, 2025, with origin time 22:45 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:43:48 UTC | 4.3mb | 95 km WNW of Mohr, Iran 27.894°, 51.998° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 20, 2025, worldwide seismic activity registered a magnitude 4.3 earthquake 95 km WNW of Mohr, Iran at 22:43 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:27:27 UTC | 3.2ml | 100 km SSE of Adak, Alaska 51.049°, -176.053° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
March 20, 2025 brought a magnitude 3.2 earthquake 100 km SSE of Adak, Alaska, logged at 22:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.6 earthquake that occurred about 18 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:16:51 UTC | 2.4md | 2 km SSE of Indios, Puerto Rico 17.968°, -66.811° | 16.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 2 km SSE of Indios, Puerto Rico on March 20, 2025 at 22:16 UTC. Coming 13 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:09:03 UTC | 4.9mb | 63 km NE of Pototano, Indonesia -8.042°, 117.918° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 20, 2025 at 22:09 UTC, a magnitude 4.9 earthquake struck 63 km NE of Pototano, Indonesia. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 22:06:37 UTC | 3.5ml | 98 km SSE of Adak, Alaska 51.042°, -176.144° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 98 km SSE of Adak, Alaska on March 20, 2025, with origin time 22:06 UTC. It arrived roughly 18 hours after a larger magnitude 5.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:41:32 UTC | 2.2ml | 98 km SSE of Adak, Alaska 51.054°, -176.083° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 98 km SSE of Adak, Alaska at 21:41 UTC on March 20, 2025. This event falls inside the aftershock decay of a nearby magnitude 5.6 earthquake that occurred about 17 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:35:35 UTC | 2.5md | 38 km W of Petrolia, CA 40.292°, -124.734° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 38 km W of Petrolia, CA on March 20, 2025 at 21:35 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. | ||||||||
2025-03-20 2025-03-20 21:33:42 UTC | 3.0ml | 113 km SSE of Adak, Alaska 50.938°, -175.973° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 113 km SSE of Adak, Alaska came in on March 20, 2025 at 21:33 UTC. It arrived roughly 16 hours after a larger magnitude 5.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:30:31 UTC | 2.2ml | 0 km SE of Barberton, Washington 45.690°, -122.595° | 14.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on March 20, 2025, a magnitude 2.2 tremor occurred 0 km SE of Barberton, Washington. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:26:41 UTC | 2.2ml | 6 km ESE of Hebgen Lake Estates, Montana 44.751°, -111.106° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 6 km ESE of Hebgen Lake Estates, Montana on March 20, 2025 at 21:26 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:26:01 UTC | 2.2ml | 10 km ENE of Pāhala, Hawaii 19.250°, -155.393° | 32.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 20, 2025 at 21:26 UTC, a magnitude 2.2 earthquake struck 10 km ENE of Pāhala, Hawaii. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:25:24 UTC | 2.5ml | 1 km WSW of Cantaron, France 43.758°, 7.301° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
March 20, 2025 brought a magnitude 2.5 earthquake 1 km WSW of Cantaron, France, logged at 21:25 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:20:41 UTC | 2.0md | 0 km SSE of Indios, Puerto Rico 17.990°, -66.817° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 0 km SSE of Indios, Puerto Rico at 21:20 UTC on March 20, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 12 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:00:38 UTC | 2.2ml | 107 km E of Chignik, Alaska 56.224°, -156.670° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 107 km E of Chignik, Alaska on March 20, 2025, with origin time 21:00 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:00:09 UTC | 5.4mww | Mid-Indian Ridge -16.487°, 66.605° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.4 earthquake near Mid-Indian Ridge with origin time 21:00 UTC on March 20, 2025. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 21:00:05 UTC | 2.2ml | 98 km SSE of Adak, Alaska 51.068°, -176.039° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 98 km SSE of Adak, Alaska came in on March 20, 2025 at 21:00 UTC. It arrived roughly 17 hours after a larger magnitude 5.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:51:44 UTC | 4.3mb | 94 km NE of Masohi, Indonesia -2.730°, 129.602° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:51 UTC on March 20, 2025, a magnitude 4.3 tremor occurred 94 km NE of Masohi, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:35:30 UTC | 3.8md | 6 km NW of San Rafael del Yuma, Dominican Republic 18.476°, -68.718° | 158.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.8 event was detected 6 km NW of San Rafael del Yuma, Dominican Republic on March 20, 2025, with origin time 20:35 UTC. Coming 17 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:28:32 UTC | 3.9mb | 102 km SSE of Adak, Alaska 51.024°, -176.065° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
On March 20, 2025 at 20:28 UTC, a magnitude 3.9 earthquake struck 102 km SSE of Adak, Alaska. Coming 16 hours after a magnitude 5.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:27:33 UTC | 4.0mb | 102 km SSE of Adak, Alaska 51.024°, -176.061° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 102 km SSE of Adak, Alaska came in on March 20, 2025 at 20:27 UTC. Coming 16 hours after a magnitude 5.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:23:40 UTC | 2.8md | 8 km WNW of Dyersburg, Tennessee 36.062°, -89.474° | 10.2 km | 32 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 8 km WNW of Dyersburg, Tennessee on March 20, 2025 at 20:23 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-03-20 2025-03-20 20:21:47 UTC | 3.0ml | 77 km SE of Atka, Alaska 51.758°, -173.330° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 77 km SE of Atka, Alaska on March 20, 2025 at 20:21 UTC. The event was offshore. See the M3.0 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 20, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.