Earthquakes on October 19, 2023
280
EARTHQUAKES on October 19, 2023
24-hour UTC period · USGS data
8 km deep · 17 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
32
M3.0–3.9
15
M2.0–2.9
71
M1.0–1.9
158
Activity Summary
280
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
18 km WSW of Batiano, Philippines
18:58 UTC · 8.5 km deep
Felt by 17
5.3
Kermadec Islands region
00:45 UTC · 10.0 km deep
5.1
77 km SSW of Banjar, Indonesia
14:08 UTC · 58.5 km deep
Felt by 5
5.0
75 km SE of Katsuren-haebaru, Japan
03:51 UTC · 10.0 km deep
Felt by 1
4.9
south of Africa
23:33 UTC · 10.0 km deep
4.8
40 km E of Kāzerūn, Iran
22:43 UTC · 10.0 km deep
Felt by 25
4.8
Mid-Indian Ridge
14:14 UTC · 10.0 km deep
4.7
115 km WSW of Abepura, Indonesia
14:34 UTC · 10.0 km deep
Earthquake Map — October 19, 2023
All Earthquakes — October 19, 2023
Showing 30 of 122 (filtered from 280)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-10-19 2023-10-19 23:56:50 UTC | 2.7ml | 91 km SE of Unalaska, Alaska 53.221°, -165.693° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2023 brought a magnitude 2.7 earthquake 91 km SE of Unalaska, Alaska, logged at 23:56 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 23:52:05 UTC | 2.1md | 1 km E of Pinole, CA 38.004°, -122.283° | 5.5 km | 9 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 1 km E of Pinole, CA at 23:52 UTC on October 19, 2023. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 23:44:10 UTC | 2.3md | 8 km SSW of Orocovis, Puerto Rico 18.154°, -66.409° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 8 km SSW of Orocovis, Puerto Rico at 23:44 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 23:33:32 UTC | 4.9mb | south of Africa -49.395°, 30.369° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:33 UTC on October 19, 2023, a magnitude 4.9 tremor occurred south of Africa. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 23:00:48 UTC | 2.3ml(texnet) | 37 km W of Mentone, Texas 31.715°, -103.997° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
At 23:00 UTC on October 19, 2023, a magnitude 2.3 tremor occurred 37 km W of Mentone, Texas. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 22:58:29 UTC | 2.6ml | 83 km NNE of Arctic Village, Alaska 68.857°, -145.129° | 0.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 83 km NNE of Arctic Village, Alaska came in on October 19, 2023 at 22:58 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 22:43:31 UTC | 4.8mb | 40 km E of Kāzerūn, Iran 29.633°, 52.067° | 10.0 km | 25 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 40 km E of Kāzerūn, Iran at 22:43 UTC on October 19, 2023. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 22:23:32 UTC | 2.1ml | 7 km NW of Ventura, CA 34.329°, -119.273° | 12.5 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 7 km NW of Ventura, CA on October 19, 2023, with origin time 22:23 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 22:14:42 UTC | 2.0ml(texnet) | 54 km SSW of Whites City, New Mexico 31.726°, -104.618° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 54 km SSW of Whites City, New Mexico with origin time 22:14 UTC on October 19, 2023. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 22 hours earlier. 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. | ||||||||
2023-10-19 2023-10-19 21:23:54 UTC | 4.2mb | 78 km SSW of Vinchina, Argentina -29.420°, -68.495° | 107.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 78 km SSW of Vinchina, Argentina came in on October 19, 2023 at 21:23 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 21:23:33 UTC | 2.5md | 3 km S of Quebrada, Puerto Rico 18.322°, -66.826° | 16.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 3 km S of Quebrada, Puerto Rico with origin time 21:23 UTC on October 19, 2023. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 21:17:39 UTC | 2.7ml | 69 km SSW of Adak, Alaska 51.318°, -177.077° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2023 at 21:17 UTC, a magnitude 2.7 earthquake struck 69 km SSW of Adak, Alaska. It arrived roughly 21 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 21:14:48 UTC | 2.1ml | 10 km S of Princeton, Canada 49.367°, -120.509° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 10 km S of Princeton, Canada came in on October 19, 2023 at 21:14 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. | ||||||||
2023-10-19 2023-10-19 20:51:14 UTC | 4.6mb | 17 km NNE of Andalgalá, Argentina -27.426°, -66.273° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 17 km NNE of Andalgalá, Argentina on October 19, 2023 at 20:51 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 20:51:11 UTC | 2.0ml | 85 km NNE of Arctic Village, Alaska 68.876°, -145.121° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 85 km NNE of Arctic Village, Alaska at 20:51 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 20:42:25 UTC | 3.2md | 32 km N of Charlotte Amalie, U.S. Virgin Islands 18.630°, -64.876° | 75.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 32 km N of Charlotte Amalie, U.S. Virgin Islands came in on October 19, 2023 at 20:42 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 20:39:31 UTC | 2.0ml | 63 km WNW of Nanwalek, Alaska 59.521°, -152.994° | 89.8 km | - | - | - | ✓ Reviewed | USGS → |
At 20:39 UTC on October 19, 2023, a magnitude 2.0 tremor occurred 63 km WNW of Nanwalek, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 20:38:08 UTC | 2.8ml | 127 km S of Unalaska, Alaska 52.740°, -166.776° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 127 km S of Unalaska, Alaska at 20:38 UTC on October 19, 2023. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 20:15:22 UTC | 2.2ml | 41 km E of Chase, Alaska 62.457°, -149.307° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 41 km E of Chase, Alaska on October 19, 2023 at 20:15 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. | ||||||||
2023-10-19 2023-10-19 20:03:37 UTC | 4.4mb | 111 km S of Koshima, Japan 29.233°, 130.537° | 39.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 111 km S of Koshima, Japan at 20:03 UTC on October 19, 2023. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 19:48:08 UTC | 2.1ml | 18 km E of Honaunau-Napoopoo, Hawaii 19.472°, -155.693° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 18 km E of Honaunau-Napoopoo, Hawaii on October 19, 2023 at 19:48 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 19:36:02 UTC | 4.2mb | 22 km WSW of Maricalom, Philippines 9.594°, 122.244° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 22 km WSW of Maricalom, Philippines on October 19, 2023 at 19:36 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 19:14:59 UTC | 2.7ml | 151 km S of Atka, Alaska 50.833°, -174.059° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 151 km S of Atka, Alaska on October 19, 2023 at 19:14 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 19:12:41 UTC | 2.6ml | 81 km SE of King Cove, Alaska 54.475°, -161.559° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 81 km SE of King Cove, Alaska on October 19, 2023 at 19:12 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 18:58:51 UTC | 5.9mww | 18 km WSW of Batiano, Philippines 7.462°, 126.352° | 8.5 km | 17 | VII | green | ✓ Reviewed | USGS → |
On October 19, 2023 at 18:58 UTC, a magnitude 5.9 earthquake struck 18 km WSW of Batiano, Philippines. 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 October 19, 2023. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 18:35:01 UTC | 2.2md | 21 km SW of Ambrose, CA 41.347°, -121.124° | -1.8 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2023 brought a magnitude 2.2 earthquake 21 km SW of Ambrose, CA, logged at 18:35 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. | ||||||||
2023-10-19 2023-10-19 18:27:38 UTC | 2.0ml | 39 km ENE of Pedro Bay, Alaska 59.868°, -153.415° | 130.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 39 km ENE of Pedro Bay, Alaska at 18:27 UTC on October 19, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 18:24:23 UTC | 2.2ml | 75 km ESE of King Cove, Alaska 54.696°, -161.331° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 75 km ESE of King Cove, Alaska with origin time 18:24 UTC on October 19, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-19 2023-10-19 18:03:01 UTC | 2.5md | Puerto Rico region 17.837°, -66.895° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:03 UTC on October 19, 2023, a magnitude 2.5 tremor occurred in the Puerto Rico region. Coming 16 hours after a magnitude 2.6 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. | ||||||||
2023-10-19 2023-10-19 17:53:09 UTC | 3.6ml | 95 km S of False Pass, Alaska 54.002°, -163.497° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2023 brought a magnitude 3.6 earthquake 95 km S of False Pass, Alaska, logged at 17:53 UTC. The event was offshore. See the M3.6 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 October 19, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.