Earthquakes on September 26, 2021
281
EARTHQUAKES on September 26, 2021
24-hour UTC period · USGS data
83 km deep · 211 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
52
M3.0–3.9
8
M2.0–2.9
64
M1.0–1.9
155
Activity Summary
281
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
12 km W of Talisay, Philippines
17:12 UTC · 83.0 km deep
Felt by 211
5.2
South Sandwich Islands region
04:23 UTC · 35.0 km deep
4.9
South Sandwich Islands region
23:24 UTC · 35.0 km deep
4.8
1 km SSW of Sinisian, Philippines
22:57 UTC · 90.8 km deep
Felt by 2
4.8
141 km NE of Colonia, Micronesia
19:46 UTC · 10.0 km deep
4.7
135 km NE of Colonia, Micronesia
18:58 UTC · 10.0 km deep
Felt by 1
4.7
161 km WSW of Sungai Penuh, Indonesia
08:59 UTC · 10.0 km deep
4.7
south of Africa
01:40 UTC · 10.0 km deep
Earthquake Map — September 26, 2021
All Earthquakes — September 26, 2021
Showing 30 of 126 (filtered from 281)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-09-26 2021-09-26 23:58:48 UTC | 3.3md | 99 km NNW of San Antonio, Puerto Rico 19.345°, -67.394° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 99 km NNW of San Antonio, Puerto Rico came in on September 26, 2021 at 23:58 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 23:37:28 UTC | 2.0md | 3 km NNW of Guayanilla, Puerto Rico 18.049°, -66.803° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 3 km NNW of Guayanilla, Puerto Rico came in on September 26, 2021 at 23:37 UTC. It arrived roughly 8 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 23:24:59 UTC | 4.9mb | South Sandwich Islands region -59.502°, -25.745° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake in the South Sandwich Islands region with origin time 23:24 UTC on September 26, 2021. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 23:19:11 UTC | 4.5mb | 89 km ESE of Kokopo, Papua New Guinea -4.638°, 153.023° | 16.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 89 km ESE of Kokopo, Papua New Guinea on September 26, 2021, with origin time 23:19 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 23:06:07 UTC | 4.6mb | Kermadec Islands, New Zealand -30.058°, -177.400° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Kermadec Islands, New Zealand on September 26, 2021 at 23:06 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 23:01:41 UTC | 2.4ml | 23 km WNW of Mentone, Texas 31.766°, -103.836° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 23 km WNW of Mentone, Texas on September 26, 2021 at 23:01 UTC. It arrived roughly 14 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 22:57:51 UTC | 4.8mb | 1 km SSW of Sinisian, Philippines 13.900°, 120.837° | 90.8 km | 2 | - | - | ✓ Reviewed | USGS → |
On September 26, 2021, worldwide seismic activity registered a magnitude 4.8 earthquake 1 km SSW of Sinisian, Philippines at 22:57 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 22:45:17 UTC | 4.2mb | 70 km NNW of Tocopilla, Chile -21.525°, -70.505° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 70 km NNW of Tocopilla, Chile on September 26, 2021 at 22:45 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 22:32:59 UTC | 2.0ml | 96 km SE of Akutan, Alaska 53.547°, -164.700° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2021 brought a magnitude 2.0 earthquake 96 km SE of Akutan, Alaska, logged at 22:32 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 22:01:17 UTC | 4.6mb | 95 km E of Madang, Papua New Guinea -5.390°, 146.631° | 164.8 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2021 brought a magnitude 4.6 earthquake 95 km E of Madang, Papua New Guinea, logged at 22:01 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 21:57:26 UTC | 4.5mb | Izu Islands, Japan region 29.627°, 139.156° | 424.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake in the Izu Islands, Japan region came in on September 26, 2021 at 21:57 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. | ||||||||
2021-09-26 2021-09-26 21:56:27 UTC | 2.2md | 3 km S of P?hala, Hawaii 19.171°, -155.484° | 30.4 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 3 km S of P?hala, Hawaii on September 26, 2021 at 21:56 UTC. Coming 16 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 21:50:29 UTC | 2.1md | 2 km SW of Indios, Puerto Rico 17.983°, -66.837° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 2 km SW of Indios, Puerto Rico on September 26, 2021, with origin time 21:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 21:32:34 UTC | 2.8ml | 9 km SSW of Anchor Point, Alaska 59.702°, -151.918° | 54.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 9 km SSW of Anchor Point, Alaska came in on September 26, 2021 at 21:32 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 21:20:17 UTC | 2.1md | 4 km W of Pole Ojea, Puerto Rico 17.983°, -67.231° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:20 UTC on September 26, 2021, a magnitude 2.1 tremor occurred 4 km W of Pole Ojea, Puerto Rico. Coming 18 hours after a magnitude 3.1 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 21:15:39 UTC | 4.0mb | 43 km SSE of Acajutla, El Salvador 13.242°, -89.647° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 43 km SSE of Acajutla, El Salvador on September 26, 2021 at 21:15 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 20:20:23 UTC | 4.6mb | 63 km SW of Angaur State, Palau 6.440°, 133.802° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2021 at 20:20 UTC, a magnitude 4.6 earthquake struck 63 km SW of Angaur State, Palau. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 20:11:38 UTC | 2.0md | 2 km ENE of P?hala, Hawaii 19.216°, -155.456° | 34.2 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 2 km ENE of P?hala, Hawaii on September 26, 2021, with origin time 20:11 UTC. Coming 14 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 19:54:24 UTC | 2.6md | 58km W of Petrolia, CA 40.342°, -124.975° | 19.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 58km W of Petrolia, CA at 19:54 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 19:46:07 UTC | 4.8mb | 141 km NE of Colonia, Micronesia 10.502°, 138.937° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:46 UTC on September 26, 2021, a magnitude 4.8 tremor occurred 141 km NE of Colonia, Micronesia. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 19:35:08 UTC | 2.1md | 8km SSW of Tres Pinos, CA 36.724°, -121.367° | 3.3 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 8km SSW of Tres Pinos, CA with origin time 19:35 UTC on September 26, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 19:23:31 UTC | 3.4mw | 30km SSW of Smith Valley, NV 38.515°, -119.413° | 3.0 km | 4 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 30km SSW of Smith Valley, NV on September 26, 2021, with origin time 19:23 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 18:58:59 UTC | 4.7mb | 135 km NE of Colonia, Micronesia 10.443°, 138.923° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 135 km NE of Colonia, Micronesia at 18:58 UTC on September 26, 2021. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 18:58:21 UTC | 2.2md | 3 km SSW of P?hala, Hawaii 19.174°, -155.499° | 37.1 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 3 km SSW of P?hala, Hawaii on September 26, 2021 at 18:58 UTC. Coming 13 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 17:58:20 UTC | 2.2md | 28km SSW of Smith Valley, NV 38.537°, -119.427° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2021 brought a magnitude 2.2 earthquake 28km SSW of Smith Valley, NV, logged at 17:58 UTC. It arrived roughly 6 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2021-09-26 2021-09-26 17:56:51 UTC | 2.1ml | 99 km SSE of Sand Point, Alaska 54.533°, -159.809° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 99 km SSE of Sand Point, Alaska came in on September 26, 2021 at 17:56 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 17:52:50 UTC | 2.8md | 10km W of Avenal, CA 36.012°, -120.240° | 15.6 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 10km W of Avenal, CA on September 26, 2021 at 17:52 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 17:40:51 UTC | 4.4mb | 3 km ESE of Lucsuhin, Philippines 13.868°, 120.670° | 103.8 km | 9 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 3 km ESE of Lucsuhin, Philippines with origin time 17:40 UTC on September 26, 2021. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 17:28:54 UTC | 4.4mb | 102 km NE of Tadine, New Caledonia -20.879°, 168.561° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 102 km NE of Tadine, New Caledonia at 17:28 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-26 2021-09-26 17:22:17 UTC | 4.6mb | 81 km NW of Kuqa, China 42.220°, 82.219° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 81 km NW of Kuqa, China on September 26, 2021 at 17:22 UTC. The event was offshore. 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 September 26, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.