Earthquakes on September 28, 2022
364
EARTHQUAKES on September 28, 2022
24-hour UTC period · USGS data
LARGEST: M5.5 — northern East Pacific Rise
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
11
M4.0–4.9
105
M3.0–3.9
10
M2.0–2.9
65
M1.0–1.9
173
Activity Summary
364
Total earthquakes
~250
Daily average
Elevated
Activity level
11
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.5
northern East Pacific Rise
22:34 UTC · 10.0 km deep
5.4
southeast of the Loyalty Islands
04:47 UTC · 10.0 km deep
5.4
53 km E of Mulegé, Mexico
01:18 UTC · 10.0 km deep
Felt by 9
5.2
22 km ENE of Codrington, Antigua and Barbuda
19:48 UTC · 38.4 km deep
Felt by 11
5.2
South Sandwich Islands region
06:34 UTC · 62.8 km deep
5.2
47 km ENE of Cortes, Philippines
01:12 UTC · 35.0 km deep
5.1
246 km NE of Saipan, Northern Mariana Islands
21:41 UTC · 41.6 km deep
Felt by 1
5.1
Mariana Islands region
17:35 UTC · 26.3 km deep
Felt by 1
Earthquake Map — September 28, 2022
All Earthquakes — September 28, 2022
Showing 30 of 191 (filtered from 364)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-09-28 2022-09-28 23:54:02 UTC | 4.5mb | Reykjanes Ridge 53.690°, -35.289° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:54 UTC on September 28, 2022, a magnitude 4.5 tremor occurred near Reykjanes Ridge. It arrived roughly 14 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:48:49 UTC | 4.7mb | 242 km NE of Saipan, Northern Mariana Islands 17.038°, 147.013° | 44.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 242 km NE of Saipan, Northern Mariana Islands at 23:48 UTC on September 28, 2022. It arrived roughly 2 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:42:39 UTC | 4.5mb | Reykjanes Ridge 53.705°, -35.414° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near Reykjanes Ridge at 23:42 UTC on September 28, 2022. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 14 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:12:21 UTC | 2.2ml | 11 km ENE of P?hala, Hawaii 19.249°, -155.385° | 31.3 km | 1 | - | - | Auto | USGS → |
On September 28, 2022 at 23:12 UTC, a magnitude 2.2 earthquake struck 11 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 14 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:09:33 UTC | 4.5mb | 59 km E of Atlasovo, Russia 55.542°, 160.574° | 148.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 59 km E of Atlasovo, Russia on September 28, 2022, with origin time 23:09 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:06:42 UTC | 4.5mb | Reykjanes Ridge 53.754°, -35.148° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake near Reykjanes Ridge came in on September 28, 2022 at 23:06 UTC. It arrived roughly 13 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 23:06:37 UTC | 3.0md | 5 km SSW of Potala Pastillo, Puerto Rico 17.946°, -66.522° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022, worldwide seismic activity registered a magnitude 3.0 earthquake 5 km SSW of Potala Pastillo, Puerto Rico at 23:06 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:59:50 UTC | 4.5mb | Reykjanes Ridge 53.633°, -35.191° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near Reykjanes Ridge on September 28, 2022 at 22:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 13 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:45:36 UTC | 2.0ml | Rat Islands, Aleutian Islands, Alaska 51.073°, 178.370° | 36.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake near Rat Islands, Aleutian Islands, Alaska came in on September 28, 2022 at 22:45 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:34:46 UTC | 5.5mww | northern East Pacific Rise 8.489°, -102.802° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On September 28, 2022 at 22:34 UTC, a magnitude 5.5 earthquake struck near northern East Pacific Rise. 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 September 28, 2022. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:30:30 UTC | 4.5mb | Reykjanes Ridge 53.870°, -35.226° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 28, 2022 brought a magnitude 4.5 earthquake near Reykjanes Ridge, logged at 22:30 UTC. Coming 16 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:17:43 UTC | 2.3md | 5 km S of P?hala, Hawaii 19.156°, -155.484° | 33.0 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 5 km S of P?hala, Hawaii on September 28, 2022 at 22:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 22:06:39 UTC | 4.7mb | 113 km N of Hirara, Japan 25.826°, 125.349° | 116.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 113 km N of Hirara, Japan on September 28, 2022, with origin time 22:06 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:59:10 UTC | 4.5mb | Reykjanes Ridge 53.455°, -35.168° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022 at 21:59 UTC, a magnitude 4.5 earthquake struck near Reykjanes Ridge. It arrived roughly 8 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:48:22 UTC | 4.2mb | 79 km SW of Kuril’sk, Russia 44.781°, 147.093° | 137.3 km | - | - | - | ✓ Reviewed | USGS → |
September 28, 2022 brought a magnitude 4.2 earthquake 79 km SW of Kuril’sk, Russia, logged at 21:48 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:41:17 UTC | 4.4mb | Reykjanes Ridge 53.417°, -35.280° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022 at 21:41 UTC, a magnitude 4.4 earthquake struck near Reykjanes Ridge. Coming 7 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:41:08 UTC | 5.1mb | 246 km NE of Saipan, Northern Mariana Islands 17.000°, 147.135° | 41.6 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 5.1 event was detected 246 km NE of Saipan, Northern Mariana Islands on September 28, 2022, with origin time 21:41 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:37:56 UTC | 3.9mwr | 39 km ENE of Codrington, Antigua and Barbuda 17.836°, -61.513° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.9 event was detected 39 km ENE of Codrington, Antigua and Barbuda on September 28, 2022, with origin time 21:37 UTC. Coming 2 hours after a magnitude 5.2 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. | ||||||||
2022-09-28 2022-09-28 21:37:24 UTC | 4.5mb | Reykjanes Ridge 53.653°, -35.286° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded near Reykjanes Ridge on September 28, 2022 at 21:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 12 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:34:05 UTC | 4.3mwr | 34 km NE of Codrington, Antigua and Barbuda 17.821°, -61.570° | 29.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 34 km NE of Codrington, Antigua and Barbuda on September 28, 2022, with origin time 21:34 UTC. It arrived roughly 2 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:28:22 UTC | 2.0ml | 56 km S of Whites City, New Mexico 31.668°, -104.319° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 56 km S of Whites City, New Mexico on September 28, 2022 at 21:28 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:21:01 UTC | 4.6mb | Reykjanes Ridge 53.617°, -35.311° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022, worldwide seismic activity registered a magnitude 4.6 earthquake near Reykjanes Ridge at 21:21 UTC. Coming 11 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:19:45 UTC | 2.0ml | 13km SE of Bodfish, CA 35.506°, -118.395° | 6.1 km | 1 | - | - | ✓ Reviewed | USGS → |
September 28, 2022 brought a magnitude 2.0 earthquake 13km SE of Bodfish, CA, logged at 21:19 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:18:38 UTC | 3.1ml | 119 km SSE of Sand Point, Alaska 54.355°, -159.755° | 34.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022 at 21:18 UTC, a magnitude 3.1 earthquake struck 119 km SSE of Sand Point, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:15:39 UTC | 4.6mb | Reykjanes Ridge 53.629°, -35.104° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:15 UTC on September 28, 2022, a magnitude 4.6 tremor occurred near Reykjanes Ridge. It arrived roughly 11 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:11:18 UTC | 4.7mb | Reykjanes Ridge 53.655°, -35.198° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake near Reykjanes Ridge came in on September 28, 2022 at 21:11 UTC. Coming 11 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:07:43 UTC | 2.4md | 5km NE of Dixon Lane-Meadow Creek, CA 37.416°, -118.376° | 3.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2022, worldwide seismic activity registered a magnitude 2.4 earthquake 5km NE of Dixon Lane-Meadow Creek, CA at 21:07 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 21:02:03 UTC | 2.7ml | 157 km SE of Nikolski, Alaska 51.862°, -167.368° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 28, 2022 brought a magnitude 2.7 earthquake 157 km SE of Nikolski, Alaska, logged at 21:02 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 20:31:23 UTC | 2.9ml | 86 km WSW of Adak, Alaska 51.445°, -177.682° | 38.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 86 km WSW of Adak, Alaska on September 28, 2022, with origin time 20:31 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-28 2022-09-28 20:10:43 UTC | 4.4mb | Izu Islands, Japan region 32.360°, 142.654° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded in the Izu Islands, Japan region on September 28, 2022 at 20:10 UTC. It arrived roughly 10 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 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 September 28, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.