Earthquakes on September 24, 2020
290
EARTHQUAKES on September 24, 2020
24-hour UTC period · USGS data
LARGEST: M5.8 — central Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
36
M3.0–3.9
7
M2.0–2.9
53
M1.0–1.9
190
Activity Summary
290
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
central Mid-Atlantic Ridge
00:27 UTC · 10.0 km deep
5.3
64 km ENE of Mulegé, Mexico
23:01 UTC · 10.0 km deep
Felt by 3
5.2
53 km ENE of Cortes, Philippines
02:25 UTC · 12.9 km deep
Felt by 3
5.0
24 km ENE of Cortes, Philippines
02:27 UTC · 20.8 km deep
4.9
central Mid-Atlantic Ridge
01:01 UTC · 10.0 km deep
4.7
15 km WNW of Lefkáda, Greece
05:10 UTC · 10.0 km deep
Felt by 10
4.6
73 km ENE of Mulegé, Mexico
23:06 UTC · 10.0 km deep
4.6
264 km N of Fais, Micronesia
21:19 UTC · 10.0 km deep
Earthquake Map — September 24, 2020

All Earthquakes — September 24, 2020
Showing 30 of 100 (filtered from 290)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-24 2020-09-24 23:48:29 UTC | 3.0ml | 252 km W of Adak, Alaska 51.952°, 179.694° | 177.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 252 km W of Adak, Alaska at 23:48 UTC on September 24, 2020. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 23:31:55 UTC | 2.0ml | 81 km S of King Cove, Alaska 54.346°, -162.081° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 81 km S of King Cove, Alaska with origin time 23:31 UTC on September 24, 2020. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 23:20:47 UTC | 2.3ml | 30 km S of Mina, Nevada 38.118°, -118.097° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 30 km S of Mina, Nevada on September 24, 2020 at 23:20 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 23:14:13 UTC | 3.4ml | 58 km S of Whites City, New Mexico 31.652°, -104.381° | 5.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On September 24, 2020 at 23:14 UTC, a magnitude 3.4 earthquake struck 58 km S of Whites City, New Mexico. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 23:09:35 UTC | 3.0md | 5 km S of Maria Antonia, Puerto Rico 17.930°, -66.881° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 5 km S of Maria Antonia, Puerto Rico on September 24, 2020, with origin time 23:09 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 23:06:42 UTC | 4.6mb | 73 km ENE of Mulegé, Mexico 27.078°, -111.269° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 73 km ENE of Mulegé, Mexico on September 24, 2020, with origin time 23:06 UTC. It arrived roughly 1 hours after a larger magnitude 5.3 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. | ||||||||
2020-09-24 2020-09-24 23:01:30 UTC | 5.3mww | 64 km ENE of Mulegé, Mexico 27.157°, -111.407° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 64 km ENE of Mulegé, Mexico on September 24, 2020 at 23:01 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 22:59:34 UTC | 2.1ml | 14 km NW of Stanley, Idaho 44.291°, -115.082° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:59 UTC on September 24, 2020, a magnitude 2.1 tremor occurred 14 km NW of Stanley, Idaho. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 22:54:15 UTC | 2.0ml | Southeastern Alaska 59.715°, -139.487° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 24, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake near Southeastern Alaska at 22:54 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 22:38:51 UTC | 4.2mb | 36 km NW of Santa Domenica, Italy 38.911°, 15.589° | 211.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 36 km NW of Santa Domenica, Italy on September 24, 2020 at 22:38 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 22:19:59 UTC | 2.9ml | 54 km S of Whites City, New Mexico 31.683°, -104.340° | 5.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 54 km S of Whites City, New Mexico came in on September 24, 2020 at 22:19 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 21:46:04 UTC | 2.2md | 0 km SSE of P?hala, Hawaii 19.196°, -155.476° | 32.9 km | - | - | - | Auto | USGS → |
On September 24, 2020 at 21:46 UTC, a magnitude 2.2 earthquake struck 0 km SSE of P?hala, Hawaii. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 21:22:54 UTC | 4.1mb | 11 km ESE of Schísma Eloúndas, Greece 35.222°, 25.848° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2020, worldwide seismic activity registered a magnitude 4.1 earthquake 11 km ESE of Schísma Eloúndas, Greece at 21:22 UTC. It arrived roughly 3 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 21:19:16 UTC | 4.6mb | 264 km N of Fais, Micronesia 12.137°, 140.206° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 264 km N of Fais, Micronesia came in on September 24, 2020 at 21:19 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 21:10:22 UTC | 3.2ml | 171 km SE of Nikolski, Alaska 51.742°, -167.280° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 171 km SE of Nikolski, Alaska on September 24, 2020 at 21:10 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 20:57:52 UTC | 2.1ml | 11 km SSE of Fern Forest, Hawaii 19.374°, -155.081° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 11 km SSE of Fern Forest, Hawaii with origin time 20:57 UTC on September 24, 2020. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 20:48:46 UTC | 3.1ml | 69 km WSW of Atka, Alaska 51.858°, -175.049° | 74.7 km | - | - | - | ✓ Reviewed | USGS → |
At 20:48 UTC on September 24, 2020, a magnitude 3.1 tremor occurred 69 km WSW of Atka, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 20:46:53 UTC | 2.8md | 4 km WSW of Guánica, Puerto Rico 17.951°, -66.940° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2020 at 20:46 UTC, a magnitude 2.8 earthquake struck 4 km WSW of Guánica, Puerto Rico. Coming 12 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 20:45:56 UTC | 2.4ml | 38 km SW of Adak, Alaska 51.666°, -177.083° | 72.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 38 km SW of Adak, Alaska came in on September 24, 2020 at 20:45 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 19:23:21 UTC | 4.4mb | Rat Islands, Aleutian Islands, Alaska 51.620°, 177.927° | 60.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Rat Islands, Aleutian Islands, Alaska came in on September 24, 2020 at 19:23 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 19:21:39 UTC | 4.6mb | 7 km SSE of Peqin, Albania 40.981°, 19.784° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 7 km SSE of Peqin, Albania on September 24, 2020 at 19:21 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 19:21:07 UTC | 2.1ml | 5 km ESE of P?hala, Hawaii 19.191°, -155.426° | 30.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 5 km ESE of P?hala, Hawaii at 19:21 UTC on September 24, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 10 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 19:11:05 UTC | 2.0md | 5km E of Mammoth Lakes, CA 37.637°, -118.920° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2020 at 19:11 UTC, a magnitude 2.0 earthquake struck 5km E of Mammoth Lakes, CA. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 18:52:13 UTC | 4.4mb | 18 km ENE of Schísma Eloúndas, Greece 35.343°, 25.904° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 18 km ENE of Schísma Eloúndas, Greece on September 24, 2020 at 18:52 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 18:23:25 UTC | 4.0ml | 11 km NNE of Cantwell, Alaska 63.488°, -148.878° | 9.0 km | 20 | IV | green | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 11 km NNE of Cantwell, Alaska came in on September 24, 2020 at 18:23 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. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 18:02:27 UTC | 2.4ml | 21 km WNW of Tyonek, Alaska 61.134°, -151.507° | 73.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 21 km WNW of Tyonek, Alaska on September 24, 2020 at 18:02 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 17:42:12 UTC | 4.5mb | 156 km N of Likisá, Timor Leste -7.195°, 125.101° | 517.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 156 km N of Likisá, Timor Leste on September 24, 2020 at 17:42 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 17:41:33 UTC | 2.1ml | 7 km ENE of P?hala, Hawaii 19.221°, -155.411° | 30.4 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 7 km ENE of P?hala, Hawaii on September 24, 2020 at 17:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 8 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-24 2020-09-24 17:23:18 UTC | 2.5ml | 22km ESE of Little Lake, CA 35.856°, -117.690° | 5.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 22km ESE of Little Lake, CA on September 24, 2020 at 17:23 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. | ||||||||
2020-09-24 2020-09-24 17:23:07 UTC | 2.0ml | 12 km NNE of King Cove, Alaska 55.166°, -162.266° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
At 17:23 UTC on September 24, 2020, a magnitude 2.0 tremor occurred 12 km NNE of King Cove, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 1 hours earlier. See the M2.0 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 September 24, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.