Earthquakes on March 17, 2023
363
EARTHQUAKES on March 17, 2023
24-hour UTC period · USGS data
10 km deep · 47 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
39
M3.0–3.9
6
M2.0–2.9
60
M1.0–1.9
254
Activity Summary
363
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
8 km WNW of Kawerau, New Zealand
15:46 UTC · 10.0 km deep
Felt by 47
5.0
97 km ESE of Pondaguitan, Philippines
16:11 UTC · 70.2 km deep
Felt by 1
5.0
south of Java, Indonesia
12:05 UTC · 49.7 km deep
Felt by 6
5.0
111 km WSW of Qamdo, China
10:39 UTC · 10.0 km deep
4.9
9 km WNW of Kawerau, New Zealand
19:58 UTC · 6.6 km deep
Felt by 9
4.9
149 km SSE of Cordova, Alaska
15:04 UTC · 8.6 km deep
4.9
33 km SW of Sabang, Philippines
13:56 UTC · 43.0 km deep
Felt by 6
4.9
Luzon, Philippines
13:23 UTC · 23.8 km deep
Felt by 1
Earthquake Map — March 17, 2023
All Earthquakes — March 17, 2023
Showing 30 of 109 (filtered from 363)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-03-17 2023-03-17 23:43:20 UTC | 4.6mb | 39 km SE of Vao, New Caledonia -22.960°, 167.711° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 39 km SE of Vao, New Caledonia with origin time 23:43 UTC on March 17, 2023. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 23:09:00 UTC | 2.4md | 4 km S of P?hala, Hawaii 19.162°, -155.484° | 31.5 km | - | - | - | Auto | USGS → |
A magnitude 2.4 earthquake was recorded 4 km S of P?hala, Hawaii on March 17, 2023 at 23:09 UTC. Coming 18 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 23:04:52 UTC | 4.4mb | Bonin Islands, Japan region 28.464°, 139.727° | 391.6 km | - | - | - | ✓ Reviewed | USGS → |
March 17, 2023 brought a magnitude 4.4 earthquake in the Bonin Islands, Japan region, logged at 23:04 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. | ||||||||
2023-03-17 2023-03-17 22:13:12 UTC | 2.4ml | 22 km WNW of Susitna, Alaska 61.617°, -150.910° | 68.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 22 km WNW of Susitna, Alaska on March 17, 2023, with origin time 22:13 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 22:01:27 UTC | 2.5ml | 13 km S of Volcano, Hawaii 19.325°, -155.232° | 10.8 km | - | - | - | Auto | USGS → |
At 22:01 UTC on March 17, 2023, a magnitude 2.5 tremor occurred 13 km S of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 22:01:22 UTC | 2.6ml | 8 km S of Volcano, Hawaii 19.364°, -155.233° | 29.9 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 8 km S of Volcano, Hawaii on March 17, 2023 at 22:01 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 21:52:47 UTC | 2.1ml | 38 km NNW of Toyah, Texas 31.614°, -103.991° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 38 km NNW of Toyah, Texas came in on March 17, 2023 at 21:52 UTC. It arrived roughly 1 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 21:41:04 UTC | 2.7ml | 38 km NNW of Toyah, Texas 31.615°, -103.995° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2023, worldwide seismic activity registered a magnitude 2.7 earthquake 38 km NNW of Toyah, Texas at 21:41 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 21:28:54 UTC | 2.3ml | 48 km E of Pedro Bay, Alaska 59.816°, -153.249° | 140.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 48 km E of Pedro Bay, Alaska at 21:28 UTC on March 17, 2023. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 20:54:10 UTC | 4.2mb | 12 km NW of Kawerau, New Zealand -38.037°, 176.587° | 6.1 km | 2 | - | - | ✓ Reviewed | USGS → |
At 20:54 UTC on March 17, 2023, a magnitude 4.2 tremor occurred 12 km NW of Kawerau, New Zealand. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 5 hours earlier. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 20:50:08 UTC | 3.2ml | 5 km SE of Ackerly, Texas 32.493°, -101.678° | 8.5 km | 3 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 5 km SE of Ackerly, Texas at 20:50 UTC on March 17, 2023. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 20:32:05 UTC | 4.5mb | 292 km SW of Houma, Tonga -23.079°, -177.256° | 156.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 292 km SW of Houma, Tonga at 20:32 UTC on March 17, 2023. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 19:58:06 UTC | 4.9mb | 9 km WNW of Kawerau, New Zealand -38.056°, 176.608° | 6.6 km | 9 | VI | green | ✓ Reviewed | USGS → |
At 19:58 UTC on March 17, 2023, a magnitude 4.9 tremor occurred 9 km WNW of Kawerau, New Zealand. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 4 hours earlier. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 19:37:58 UTC | 4.7mb | 12 km ESE of Culaman, Philippines 5.921°, 125.769° | 120.5 km | - | - | - | ✓ Reviewed | USGS → |
March 17, 2023 brought a magnitude 4.7 earthquake 12 km ESE of Culaman, Philippines, logged at 19:37 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 19:35:48 UTC | 4.4mb | Fiji region -20.898°, -178.557° | 545.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2023 at 19:35 UTC, a magnitude 4.4 earthquake struck in the Fiji region. 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. | ||||||||
2023-03-17 2023-03-17 19:29:30 UTC | 4.3mb | Fiji region -20.443°, -178.503° | 550.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected in the Fiji region on March 17, 2023, with origin time 19:29 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 19:19:23 UTC | 4.3mb | 51 km NNW of Bah?a de Car?quez, Ecuador -0.188°, -80.651° | 18.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 51 km NNW of Bah?a de Car?quez, Ecuador came in on March 17, 2023 at 19:19 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 19:11:12 UTC | 2.4ml | 42 km NNE of Petersville, Alaska 62.869°, -150.585° | 86.9 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 42 km NNE of Petersville, Alaska came in on March 17, 2023 at 19:11 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 18:19:11 UTC | 4.7mb | 111 km WNW of Damusi, China 38.298°, 75.539° | 142.5 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2023 at 18:19 UTC, a magnitude 4.7 earthquake struck 111 km WNW of Damusi, China. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 18:19:04 UTC | 2.2ml | 100 km W of Adak, Alaska 51.848°, -178.097° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 100 km W of Adak, Alaska at 18:19 UTC. Coming 3 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2023-03-17 2023-03-17 18:04:48 UTC | 4.3mb | south of the Fiji Islands -22.711°, -178.325° | 338.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place south of the Fiji Islands on March 17, 2023 at 18:04 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 17:14:37 UTC | 4.5mb | South Sandwich Islands region -59.081°, -26.168° | 108.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the South Sandwich Islands region on March 17, 2023, with origin time 17:14 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 17:14:21 UTC | 4.2mb | South Sandwich Islands region -59.102°, -26.106° | 104.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the South Sandwich Islands region at 17:14 UTC on March 17, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 17:01:58 UTC | 2.7md | 4 km NE of La Parguera, Puerto Rico 18.006°, -67.020° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 4 km NE of La Parguera, Puerto Rico came in on March 17, 2023 at 17:01 UTC. It arrived roughly 11 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 16:56:30 UTC | 4.4mb | 68 km WNW of Hihifo, Tonga -15.646°, -174.349° | 143.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 68 km WNW of Hihifo, Tonga on March 17, 2023 at 16:56 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 16:30:01 UTC | 2.5md | 4 km WSW of Fuig, Puerto Rico 17.980°, -66.954° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 4 km WSW of Fuig, Puerto Rico on March 17, 2023 at 16:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 10 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 16:11:39 UTC | 5.0mb | 97 km ESE of Pondaguitan, Philippines 5.927°, 126.942° | 70.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded 97 km ESE of Pondaguitan, Philippines on March 17, 2023 at 16:11 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 16:06:21 UTC | 2.3ml | 55 km S of Whites City, New Mexico 31.675°, -104.394° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 55 km S of Whites City, New Mexico on March 17, 2023, with origin time 16:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 15:46:01 UTC | 5.3mww | 8 km WNW of Kawerau, New Zealand -38.059°, 176.616° | 10.0 km | 47 | VI | green | ✓ Reviewed | USGS → |
On March 17, 2023 at 15:46 UTC, a magnitude 5.3 earthquake struck 8 km WNW of Kawerau, New Zealand. 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 17, 2023. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-17 2023-03-17 15:39:59 UTC | 4.6mb | Kermadec Islands region -29.702°, -176.214° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2023, worldwide seismic activity registered a magnitude 4.6 earthquake in the Kermadec Islands region at 15:39 UTC. See the M4.6 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 17, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.