Earthquakes on March 3, 2021
289
EARTHQUAKES on March 3, 2021
24-hour UTC period · USGS data
LARGEST: M6.3 — 9 km W of Týrnavos, Greece
8 km deep · 137 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
39
M3.0–3.9
15
M2.0–2.9
52
M1.0–1.9
177
Activity Summary
289
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Significant Earthquakes (M4.5+)
6.3
9 km W of Týrnavos, Greece
10:16 UTC · 8.0 km deep
Felt by 137
5.4
Fiji region
08:26 UTC · 547.6 km deep
5.3
5 km WSW of Týrnavos, Greece
11:45 UTC · 10.0 km deep
05.1
11 km NNE of Grizáno, Greece
18:24 UTC · 14.7 km deep
05.0
Lomonosov Ridge
13:09 UTC · 10.0 km deep
5.0
6 km WSW of Týrnavos, Greece
10:34 UTC · 10.0 km deep
4.9
south of the Fiji Islands
15:32 UTC · 10.0 km deep
4.9
Greece
11:49 UTC · 10.0 km deep
Earthquake Map — March 3, 2021

All Earthquakes — March 3, 2021
Showing 30 of 112 (filtered from 289)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-03 2021-03-03 23:46:33 UTC | 2.1ml | 9 km SE of Ratliff City, Oklahoma 34.398°, -97.426° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 9 km SE of Ratliff City, Oklahoma with origin time 23:46 UTC on March 3, 2021. It arrived roughly 2 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 23:41:46 UTC | 2.2ml | 25 km E of Honaunau-Napoopoo, Hawaii 19.482°, -155.625° | -2.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 25 km E of Honaunau-Napoopoo, Hawaii on March 3, 2021, with origin time 23:41 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 23:08:23 UTC | 2.6ml | 55 km SSW of Adak, Alaska 51.427°, -176.982° | 34.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 55 km SSW of Adak, Alaska on March 3, 2021, with origin time 23:08 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 22:37:16 UTC | 4.4mb | 291 km WNW of Haveluloto, Tonga -20.598°, -177.947° | 547.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 291 km WNW of Haveluloto, Tonga on March 3, 2021, with origin time 22:37 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 22:16:27 UTC | 2.3ml | 30 km NW of Toyah, Texas 31.516°, -104.018° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
On March 3, 2021 at 22:16 UTC, a magnitude 2.3 earthquake struck 30 km NW of Toyah, Texas. Coming 21 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:59:00 UTC | 2.2ml | 17 km SW of Leilani Estates, Hawaii 19.346°, -155.024° | 0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 17 km SW of Leilani Estates, Hawaii at 21:59 UTC on March 3, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:58:21 UTC | 2.2ml | 9 km SE of Ratliff City, Oklahoma 34.393°, -97.429° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 9 km SE of Ratliff City, Oklahoma with origin time 21:58 UTC on March 3, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:50:35 UTC | 4.4mb | 9 km SSE of Curicó, Chile -35.055°, -71.190° | 101.9 km | 3 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 9 km SSE of Curicó, Chile came in on March 3, 2021 at 21:50 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:31:39 UTC | 2.4ml | 26 km SE of Mammoth, Wyoming 44.824°, -110.449° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 26 km SE of Mammoth, Wyoming came in on March 3, 2021 at 21:31 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:10:47 UTC | 3.5md | 125 km N of Charlotte Amalie, U.S. Virgin Islands 19.465°, -64.776° | 24.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 125 km N of Charlotte Amalie, U.S. Virgin Islands on March 3, 2021, with origin time 21:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:05:31 UTC | 3.3ml | 16 km ENE of Wright, Wyoming 43.800°, -105.293° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 16 km ENE of Wright, Wyoming on March 3, 2021 at 21:05 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 21:00:56 UTC | 4.3mb | 10 km SSW of Tsarítsani, Greece 39.796°, 22.187° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 10 km SSW of Tsarítsani, Greece on March 3, 2021, with origin time 21:00 UTC. It arrived roughly 11 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 20:43:03 UTC | 3.1ml | 165 km WNW of Port Orford, Oregon 43.083°, -126.474° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 165 km WNW of Port Orford, Oregon at 20:43 UTC on March 3, 2021. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 20:31:32 UTC | 2.1ml | 5 km W of Lucien, Oklahoma 36.282°, -97.511° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 5 km W of Lucien, Oklahoma at 20:31 UTC on March 3, 2021. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 20:12:53 UTC | 3.0ml | Wyoming 43.592°, -105.106° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place near Wyoming on March 3, 2021 at 20:12 UTC. 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. | ||||||||
2021-03-03 2021-03-03 20:01:03 UTC | 2.0md | 4 km E of P?hala, Hawaii 19.195°, -155.433° | 33.5 km | - | - | - | Auto | USGS → |
On March 3, 2021 at 20:01 UTC, a magnitude 2.0 earthquake struck 4 km E of P?hala, Hawaii. Coming 3 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 19:54:30 UTC | 3.7md | 128 km N of Cruz Bay, U.S. Virgin Islands 19.487°, -64.652° | 30.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 128 km N of Cruz Bay, U.S. Virgin Islands at 19:54 UTC on March 3, 2021. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 19:51:06 UTC | 2.3md | 4 km WSW of Fuig, Puerto Rico 17.975°, -66.957° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:51 UTC on March 3, 2021, a magnitude 2.3 tremor occurred 4 km WSW of Fuig, Puerto Rico. It arrived roughly 19 hours after a larger magnitude 2.7 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. | ||||||||
2021-03-03 2021-03-03 19:45:37 UTC | 2.1ml | 10 km ENE of P?hala, Hawaii 19.234°, -155.387° | 31.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 10 km ENE of P?hala, Hawaii came in on March 3, 2021 at 19:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 3 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 19:32:22 UTC | 3.2md | 6 km SSE of Pole Ojea, Puerto Rico 17.923°, -67.163° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:32 UTC on March 3, 2021, a magnitude 3.2 tremor occurred 6 km SSE of Pole Ojea, Puerto Rico. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 19:14:48 UTC | 4.4mb | 94 km NE of Lospalos, Timor Leste -7.831°, 127.507° | 134.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 94 km NE of Lospalos, Timor Leste on March 3, 2021 at 19:14 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 18:49:49 UTC | 4.4mb | 8 km SE of Verdikoússa, Greece 39.726°, 22.050° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
March 3, 2021 brought a magnitude 4.4 earthquake 8 km SE of Verdikoússa, Greece, logged at 18:49 UTC. Coming 9 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 18:32:35 UTC | 2.3ml | 1 km ESE of P?hala, Hawaii 19.198°, -155.466° | 29.8 km | - | - | - | Auto | USGS → |
March 3, 2021 brought a magnitude 2.3 earthquake 1 km ESE of P?hala, Hawaii, logged at 18:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 18:24:09 UTC | 5.1mww | 11 km NNE of Grizáno, Greece 39.723°, 22.115° | 14.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 3, 2021, worldwide seismic activity registered a magnitude 5.1 earthquake 11 km NNE of Grizáno, Greece at 18:24 UTC. It arrived roughly 8 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 18:06:27 UTC | 2.9ml | 8 km NNE of Chisholm, Minnesota 47.566°, -92.848° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 3, 2021 at 18:06 UTC, a magnitude 2.9 earthquake struck 8 km NNE of Chisholm, Minnesota. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 17:21:46 UTC | 2.1md | 20km W of Petrolia, CA 40.303°, -124.516° | 20.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 3, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 20km W of Petrolia, CA at 17:21 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 17:21:05 UTC | 2.0ml | 6km ESE of Lone Pine, CA 36.568°, -118.003° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 6km ESE of Lone Pine, CA on March 3, 2021 at 17:21 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 17:15:15 UTC | 2.4md | 5 km S of P?hala, Hawaii 19.149°, -155.485° | 33.9 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 5 km S of P?hala, Hawaii with origin time 17:15 UTC on March 3, 2021. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 17:06:53 UTC | 2.2ml | 11km W of Delta, B.C., MX 32.353°, -115.312° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 11km W of Delta, B.C., MX on March 3, 2021 at 17:06 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-03 2021-03-03 16:17:32 UTC | 3.0ml | 17 km SSE of Honaunau-Napoopoo, Hawaii 19.309°, -155.802° | 10.2 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 17 km SSE of Honaunau-Napoopoo, Hawaii came in on March 3, 2021 at 16:17 UTC. 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 3, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.