Earthquakes on October 19, 2021
248
EARTHQUAKES on October 19, 2021
24-hour UTC period · USGS data
44 km deep · 124 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
35
M3.0–3.9
12
M2.0–2.9
50
M1.0–1.9
148
Activity Summary
248
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.9
149 km SE of Karpathos, Greece
05:32 UTC · 43.9 km deep
Felt by 124
5.6
46 km W of Haveluloto, Tonga
10:28 UTC · 10.0 km deep
Felt by 3
5.3
98 km SSE of Shizunai-furukawach?, Japan
12:36 UTC · 38.4 km deep
Felt by 7
4.9
Rat Islands, Aleutian Islands, Alaska
23:30 UTC · 10.0 km deep
4.8
19 km W of Saiha, India
00:44 UTC · 35.0 km deep
4.7
191 km WSW of Riverton, New Zealand
21:11 UTC · 18.3 km deep
4.7
South Sandwich Islands region
01:42 UTC · 35.0 km deep
4.7
93 km WSW of Nabire, Indonesia
00:37 UTC · 10.0 km deep
Earthquake Map — October 19, 2021
All Earthquakes — October 19, 2021
Showing 30 of 100 (filtered from 248)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-10-19 2021-10-19 23:32:18 UTC | 2.8ml | 39 km W of Mentone, Texas 31.713°, -104.015° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2021, worldwide seismic activity registered a magnitude 2.8 earthquake 39 km W of Mentone, Texas at 23:32 UTC. Coming 1 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 23:30:05 UTC | 4.9mb | Rat Islands, Aleutian Islands, Alaska 50.285°, 178.752° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
On October 19, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake near Rat Islands, Aleutian Islands, Alaska at 23:30 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 23:18:14 UTC | 2.6ml | 106 km W of Akhiok, Alaska 56.791°, -155.889° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 106 km W of Akhiok, Alaska on October 19, 2021 at 23:18 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:57:30 UTC | 2.1ml | 114 km E of Chignik, Alaska 56.216°, -156.562° | 59.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 114 km E of Chignik, Alaska came in on October 19, 2021 at 22:57 UTC. It arrived roughly 3 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:28:42 UTC | 3.0md | 103 km N of Isabela, Puerto Rico 19.438°, -67.068° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2021 at 22:28 UTC, a magnitude 3.0 earthquake struck 103 km N of Isabela, Puerto Rico. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:20:53 UTC | 4.3mb | Bonin Islands, Japan region 28.291°, 142.856° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the Bonin Islands, Japan region with origin time 22:20 UTC on October 19, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:18:10 UTC | 2.4ml | 120 km SSE of Chignik, Alaska 55.354°, -157.448° | 42.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 120 km SSE of Chignik, Alaska on October 19, 2021 at 22:18 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:12:24 UTC | 4.5mb | 1 km S of San Pedro, Philippines 10.944°, 124.821° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 19, 2021 at 22:12 UTC, a magnitude 4.5 earthquake struck 1 km S of San Pedro, Philippines. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 22:10:47 UTC | 4.5mb | 108 km SSE of Shizunai-furukawach?, Japan 41.505°, 143.053° | 36.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 108 km SSE of Shizunai-furukawach?, Japan on October 19, 2021 at 22:10 UTC. Coming 10 hours after a magnitude 5.3 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. | ||||||||
2021-10-19 2021-10-19 22:09:26 UTC | 2.9ml | 39 km W of Mentone, Texas 31.716°, -104.013° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 39 km W of Mentone, Texas on October 19, 2021 at 22:09 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 21:59:45 UTC | 2.1ml | 114 km E of Chignik, Alaska 56.317°, -156.557° | 46.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 114 km E of Chignik, Alaska on October 19, 2021 at 21:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 21:49:44 UTC | 3.4ml | 87 km SSW of Haines Junction, Canada 60.047°, -138.205° | 2.9 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 87 km SSW of Haines Junction, Canada with origin time 21:49 UTC on October 19, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 21:48:13 UTC | 3.3ml | 231 km WSW of Adak, Alaska 50.980°, -179.637° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 231 km WSW of Adak, Alaska at 21:48 UTC on October 19, 2021. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 21:11:20 UTC | 4.7mb | 191 km WSW of Riverton, New Zealand -46.822°, 165.609° | 18.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 191 km WSW of Riverton, New Zealand at 21:11 UTC on October 19, 2021. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 20:36:21 UTC | 4.2mb | south of the Fiji Islands -22.622°, -179.511° | 590.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake south of the Fiji Islands came in on October 19, 2021 at 20:36 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 20:34:08 UTC | 2.9ml | 126 km SSE of Sand Point, Alaska 54.311°, -159.641° | 26.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 126 km SSE of Sand Point, Alaska with origin time 20:34 UTC on October 19, 2021. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 20:25:55 UTC | 2.8ml | 110 km E of Chignik, Alaska 56.250°, -156.630° | 46.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:25 UTC on October 19, 2021, a magnitude 2.8 tremor occurred 110 km E of Chignik, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 20:18:18 UTC | 4.4mb | Mid-Indian Ridge -15.917°, 67.175° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected near Mid-Indian Ridge on October 19, 2021, with origin time 20:18 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:58:46 UTC | 3.0ml | 14 km ENE of Wright, Wyoming 43.791°, -105.316° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2021 brought a magnitude 3.0 earthquake 14 km ENE of Wright, Wyoming, logged at 19:58 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:54:52 UTC | 4.5mb | South Sandwich Islands region -59.117°, -25.382° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake in the South Sandwich Islands region with origin time 19:54 UTC on October 19, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:53:27 UTC | 4.4mb | 36 km WSW of Puerto Armuelles, Panama 8.201°, -83.189° | 45.9 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 36 km WSW of Puerto Armuelles, Panama came in on October 19, 2021 at 19:53 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:27:45 UTC | 2.0ml | 15km ESE of Olancha, CA 36.219°, -117.856° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 15km ESE of Olancha, CA on October 19, 2021 at 19:27 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:11:10 UTC | 2.8ml | 10km SSW of Idyllwild, CA 33.661°, -116.768° | 13.8 km | 30 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 10km SSW of Idyllwild, CA on October 19, 2021, with origin time 19:11 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 19:06:57 UTC | 2.1md | 6km NE of Bonadelle Ranchos-Madera Ranchos, CA 37.016°, -119.820° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 6km NE of Bonadelle Ranchos-Madera Ranchos, CA on October 19, 2021, with origin time 19:06 UTC. 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. | ||||||||
2021-10-19 2021-10-19 18:49:23 UTC | 2.3ml | 32 km SE of Malaga, New Mexico 31.988°, -103.872° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 32 km SE of Malaga, New Mexico at 18:49 UTC on October 19, 2021. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 18:41:22 UTC | 2.4ml | 121 km SSE of Yakutat, Alaska 58.503°, -139.088° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2021 brought a magnitude 2.4 earthquake 121 km SSE of Yakutat, Alaska, logged at 18:41 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 18:37:56 UTC | 4.2mwr | 92 km WSW of Copiapó, Chile -27.675°, -71.204° | 20.4 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 92 km WSW of Copiapó, Chile on October 19, 2021 at 18:37 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 18:27:54 UTC | 2.2md | 2km N of Walker, CA 38.535°, -119.484° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 2km N of Walker, CA at 18:27 UTC on October 19, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 18:17:18 UTC | 4.3mb | 192 km WSW of Yakutat, Alaska 58.876°, -142.828° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
On October 19, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 192 km WSW of Yakutat, Alaska at 18:17 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-19 2021-10-19 17:43:31 UTC | 4.0mb | 8 km W of Villanueva de San Juan, Spain 37.042°, -5.265° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 8 km W of Villanueva de San Juan, Spain on October 19, 2021, with origin time 17:43 UTC. The event was offshore. See the M4.0 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 October 19, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.