Earthquakes on February 28, 2024
230
EARTHQUAKES on February 28, 2024
24-hour UTC period · USGS data
LARGEST: M5.5 — 260 km W of Adak, Alaska
120 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
30
M3.0–3.9
9
M2.0–2.9
48
M1.0–1.9
141
Activity Summary
230
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
260 km W of Adak, Alaska
15:50 UTC · 120.0 km deep
5.4
Macquarie Island region
05:56 UTC · 10.0 km deep
4.9
243 km ENE of Levuka, Fiji
21:36 UTC · 550.3 km deep
4.8
31 km SW of Urakawa, Japan
13:43 UTC · 58.8 km deep
4.7
51 km SE of Londres, Argentina
19:50 UTC · 152.3 km deep
4.7
39 km SSW of Suai, Timor Leste
07:14 UTC · 25.4 km deep
4.7
67 km WSW of Padangsidempuan, Indonesia
02:28 UTC · 86.4 km deep
4.6
63 km WSW of Banda Aceh, Indonesia
17:44 UTC · 72.2 km deep
Earthquake Map — February 28, 2024
All Earthquakes — February 28, 2024
Showing 30 of 89 (filtered from 230)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-02-28 2024-02-28 23:42:49 UTC | 4.3mb | 5 km ENE of Ōhara, Japan 35.270°, 140.448° | 46.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 5 km ENE of Ōhara, Japan with origin time 23:42 UTC on February 28, 2024. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 23:21:15 UTC | 3.0ml | 102 km S of Atka, Alaska 51.276°, -174.063° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2024 brought a magnitude 3.0 earthquake 102 km S of Atka, Alaska, logged at 23:21 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 23:04:26 UTC | 2.4ml | 56 km S of Whites City, New Mexico 31.669°, -104.377° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 56 km S of Whites City, New Mexico with origin time 23:04 UTC on February 28, 2024. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 22:57:05 UTC | 2.4ml | 12 km E of Julian, CA 33.071°, -116.478° | 11.5 km | 7 | - | - | ✓ Reviewed | USGS → |
On February 28, 2024, worldwide seismic activity registered a magnitude 2.4 earthquake 12 km E of Julian, CA at 22:57 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 22:28:14 UTC | 2.0ml | 40 km SW of Karluk, Alaska 57.294°, -154.908° | 48.8 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2024, worldwide seismic activity registered a magnitude 2.0 earthquake 40 km SW of Karluk, Alaska at 22:28 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 22:20:36 UTC | 2.9ml | 45 km WNW of Clam Gulch, Alaska 60.406°, -152.142° | 82.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 45 km WNW of Clam Gulch, Alaska on February 28, 2024 at 22:20 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 22:14:18 UTC | 2.2md | 7 km E of Willits, CA 39.413°, -123.272° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2024 brought a magnitude 2.2 earthquake 7 km E of Willits, CA, logged at 22:14 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 21:36:08 UTC | 4.9mb | 243 km ENE of Levuka, Fiji -17.539°, -178.458° | 550.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 243 km ENE of Levuka, Fiji with origin time 21:36 UTC on February 28, 2024. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 20:53:04 UTC | 2.2md | 4 km SSE of Canyondam, CA 40.134°, -121.052° | -1.6 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2024 brought a magnitude 2.2 earthquake 4 km SSE of Canyondam, CA, logged at 20:53 UTC. 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. | ||||||||
2024-02-28 2024-02-28 19:58:19 UTC | 4.3mb | 75 km E of Aras-asan, Philippines 8.916°, 127.001° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2024, worldwide seismic activity registered a magnitude 4.3 earthquake 75 km E of Aras-asan, Philippines at 19:58 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 19:50:43 UTC | 4.7mb | 51 km SE of Londres, Argentina -28.053°, -66.776° | 152.3 km | - | - | - | ✓ Reviewed | USGS → |
At 19:50 UTC on February 28, 2024, a magnitude 4.7 tremor occurred 51 km SE of Londres, Argentina. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 19:26:16 UTC | 2.6ml | 2 km SE of Hope, Alaska 60.906°, -149.611° | 29.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 2 km SE of Hope, Alaska came in on February 28, 2024 at 19:26 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 19:13:09 UTC | 4.5mb | Vanuatu region -14.485°, 172.042° | 623.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake in the Vanuatu region with origin time 19:13 UTC on February 28, 2024. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 18:34:46 UTC | 2.5ml | 46 km ENE of Fort Bidwell, California 41.959°, -119.605° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2024 at 18:34 UTC, a magnitude 2.5 earthquake struck 46 km ENE of Fort Bidwell, California. Coming 10 hours after a magnitude 3.0 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. | ||||||||
2024-02-28 2024-02-28 18:14:53 UTC | 3.1ml | 35 km SE of Golfo de Santa Clara, Mexico 31.422°, -114.282° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 35 km SE of Golfo de Santa Clara, Mexico on February 28, 2024, with origin time 18:14 UTC. It arrived roughly 1 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 18:06:02 UTC | 2.2ml | 50 km W of Mentone, Texas 31.740°, -104.126° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 50 km W of Mentone, Texas on February 28, 2024 at 18:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 18:02:49 UTC | 2.2md | 4 km SSE of Canyondam, CA 40.134°, -121.052° | -1.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 4 km SSE of Canyondam, CA with origin time 18:02 UTC on February 28, 2024. 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. | ||||||||
2024-02-28 2024-02-28 17:49:52 UTC | 4.0mb | 16 km WNW of Boshrūyeh, Iran 33.941°, 57.270° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 16 km WNW of Boshrūyeh, Iran on February 28, 2024 at 17:49 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:44:40 UTC | 4.6mb | 63 km WSW of Banda Aceh, Indonesia 5.253°, 94.842° | 72.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 63 km WSW of Banda Aceh, Indonesia came in on February 28, 2024 at 17:44 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:38:21 UTC | 3.8ml | 39 km SE of Golfo de Santa Clara, Mexico 31.414°, -114.229° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 39 km SE of Golfo de Santa Clara, Mexico with origin time 17:38 UTC on February 28, 2024. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:27:18 UTC | 2.3ml | 54 km S of Whites City, New Mexico 31.682°, -104.412° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 54 km S of Whites City, New Mexico at 17:27 UTC on February 28, 2024. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:25:26 UTC | 2.7ml | 33 km SSE of Golfo de Santa Clara, Mexico 31.413°, -114.359° | 8.9 km | - | - | - | ✓ Reviewed | USGS → |
At 17:25 UTC on February 28, 2024, a magnitude 2.7 tremor occurred 33 km SSE of Golfo de Santa Clara, Mexico. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:23:13 UTC | 4.5mb | 164 km SE of Taira, Japan 25.774°, 129.495° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2024, worldwide seismic activity registered a magnitude 4.5 earthquake 164 km SE of Taira, Japan at 17:23 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:19:09 UTC | 4.6mb | Pacific-Antarctic Ridge -65.084°, -173.556° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Pacific-Antarctic Ridge on February 28, 2024 at 17:19 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 17:06:58 UTC | 2.5ml | 161 km WSW of Adak, Alaska 51.454°, -178.863° | 29.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 161 km WSW of Adak, Alaska on February 28, 2024 at 17:06 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 16:59:08 UTC | 2.2ml | 60 km E of Port Alsworth, Alaska 60.175°, -153.233° | 119.6 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 60 km E of Port Alsworth, Alaska at 16:59 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 16:50:20 UTC | 2.1ml | 150 km WSW of Adak, Alaska 51.401°, -178.669° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 150 km WSW of Adak, Alaska at 16:50 UTC on February 28, 2024. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 16:35:57 UTC | 2.1ml | 83 km SE of King Cove, Alaska 54.448°, -161.558° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 83 km SE of King Cove, Alaska on February 28, 2024, with origin time 16:35 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-28 2024-02-28 16:24:25 UTC | 2.7ml | 260 km W of Adak, Alaska 51.831°, 179.581° | 114.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 260 km W of Adak, Alaska at 16:24 UTC on February 28, 2024. It arrived roughly 1 hours after a larger magnitude 5.5 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. | ||||||||
2024-02-28 2024-02-28 16:18:55 UTC | 4.2mb | 10 km ESE of Maoribank, New Zealand -41.153°, 175.207° | 30.3 km | 21 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 10 km ESE of Maoribank, New Zealand on February 28, 2024, with origin time 16:18 UTC. See the M4.2 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 February 28, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.