Earthquakes on May 9, 2023
327
EARTHQUAKES on May 9, 2023
24-hour UTC period · USGS data
10 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
46
M3.0–3.9
10
M2.0–2.9
56
M1.0–1.9
213
Activity Summary
327
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.1
109 km SW of Port Blair, India
13:42 UTC · 10.0 km deep
Felt by 2
5.0
149 km SW of Merizo Village, Guam
22:31 UTC · 19.2 km deep
Felt by 1
4.9
59 km WSW of Unalaska, Alaska
14:10 UTC · 92.3 km deep
Felt by 6
4.8
43 km NE of Anamizu, Japan
22:14 UTC · 4.9 km deep
Felt by 2
4.7
160 km NE of Tual, Indonesia
12:46 UTC · 10.0 km deep
4.7
southern Mid-Atlantic Ridge
07:28 UTC · 10.0 km deep
4.6
98 km SW of Nabire, Indonesia
22:21 UTC · 14.0 km deep
4.6
97 km SSE of Ust’-Kamchatsk Staryy, Russia
08:35 UTC · 10.0 km deep
Earthquake Map — May 9, 2023
All Earthquakes — May 9, 2023
Showing 30 of 114 (filtered from 327)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-09 2023-05-09 23:42:12 UTC | 2.8ml | Rat Islands, Aleutian Islands, Alaska 51.231°, 178.737° | 28.1 km | - | - | - | ✓ Reviewed | USGS → |
May 9, 2023 brought a magnitude 2.8 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 23:42 UTC. Coming 9 hours after a magnitude 3.0 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. | ||||||||
2023-05-09 2023-05-09 23:42:02 UTC | 4.0mb | 30 km E of Gojōnome, Japan 39.903°, 140.465° | 154.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 30 km E of Gojōnome, Japan on May 9, 2023, with origin time 23:42 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 23:39:40 UTC | 4.1mb | 76 km WNW of Diego de Almagro, Chile -26.090°, -70.730° | 77.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 76 km WNW of Diego de Almagro, Chile with origin time 23:39 UTC on May 9, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 23:27:07 UTC | 3.0ml | 101 km SSE of False Pass, Alaska 53.962°, -163.094° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:27 UTC on May 9, 2023, a magnitude 3.0 tremor occurred 101 km SSE of False Pass, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 23:19:21 UTC | 3.3md | 16 km SSW of Guánica, Puerto Rico 17.833°, -66.952° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 9, 2023 at 23:19 UTC, a magnitude 3.3 earthquake struck 16 km SSW of Guánica, Puerto Rico. Coming 19 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 23:14:51 UTC | 4.1mb | 11 km NW of Kulu, Turkey 39.182°, 32.999° | 10.1 km | 2 | - | - | ✓ Reviewed | USGS → |
On May 9, 2023, worldwide seismic activity registered a magnitude 4.1 earthquake 11 km NW of Kulu, Turkey at 23:14 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 22:41:52 UTC | 4.2mb | 82 km W of Murghob, Tajikistan 38.116°, 73.030° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 82 km W of Murghob, Tajikistan at 22:41 UTC on May 9, 2023. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 22:40:41 UTC | 2.2md | 1 km WNW of Sabana Eneas, Puerto Rico 18.090°, -67.092° | 22.0 km | - | - | - | ✓ Reviewed | USGS → |
May 9, 2023 brought a magnitude 2.2 earthquake 1 km WNW of Sabana Eneas, Puerto Rico, logged at 22:40 UTC. Coming 19 hours after a magnitude 2.6 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. | ||||||||
2023-05-09 2023-05-09 22:33:36 UTC | 2.0ml | 51 km E of Port Alsworth, Alaska 60.158°, -153.400° | 133.6 km | - | - | - | ✓ Reviewed | USGS → |
On May 9, 2023 at 22:33 UTC, a magnitude 2.0 earthquake struck 51 km E of Port Alsworth, Alaska. Coming 13 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 22:31:53 UTC | 5.0mww | 149 km SW of Merizo Village, Guam 12.159°, 143.872° | 19.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded 149 km SW of Merizo Village, Guam on May 9, 2023 at 22:31 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 22:23:26 UTC | 4.2mb | south of the Fiji Islands -23.827°, -179.954° | 523.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected south of the Fiji Islands on May 9, 2023, with origin time 22:23 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. | ||||||||
2023-05-09 2023-05-09 22:21:28 UTC | 4.6mb | 98 km SW of Nabire, Indonesia -4.009°, 134.892° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 98 km SW of Nabire, Indonesia on May 9, 2023, with origin time 22:21 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 22:14:37 UTC | 4.8mww | 43 km NE of Anamizu, Japan 37.537°, 137.217° | 4.9 km | 2 | - | - | ✓ Reviewed | USGS → |
On May 9, 2023, worldwide seismic activity registered a magnitude 4.8 earthquake 43 km NE of Anamizu, Japan at 22:14 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 21:57:39 UTC | 2.5md | 0 km WNW of Indios, Puerto Rico 17.997°, -66.825° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
May 9, 2023 brought a magnitude 2.5 earthquake 0 km WNW of Indios, Puerto Rico, logged at 21:57 UTC. It arrived roughly 18 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 21:29:22 UTC | 2.4ml | Island of Hawaii, Hawaii 19.412°, -155.261° | 1.8 km | 1 | - | - | ✓ Reviewed | USGS → |
On May 9, 2023 at 21:29 UTC, a magnitude 2.4 earthquake struck near Island of Hawaii, Hawaii. 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. | ||||||||
2023-05-09 2023-05-09 21:23:59 UTC | 2.3ml | 9 km NNW of Velma, Oklahoma 34.541°, -97.696° | 7.0 km | - | - | - | Auto | USGS → |
A magnitude 2.3 seismic event took place 9 km NNW of Velma, Oklahoma on May 9, 2023 at 21:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 21:11:45 UTC | 2.5ml | 57 km SW of Cantwell, Alaska 63.001°, -149.706° | 85.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 57 km SW of Cantwell, Alaska at 21:11 UTC on May 9, 2023. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 21:05:10 UTC | 4.3mb | south of the Fiji Islands -23.565°, -179.808° | 521.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake south of the Fiji Islands came in on May 9, 2023 at 21:05 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:57:29 UTC | 2.5ml | 84 km SSW of Unalaska, Alaska 53.150°, -166.899° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 84 km SSW of Unalaska, Alaska on May 9, 2023, with origin time 20:57 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:55:18 UTC | 2.1ml | 163 km WSW of Adak, Alaska 51.485°, -178.921° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 163 km WSW of Adak, Alaska at 20:55 UTC on May 9, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:33:27 UTC | 4.4mb | 29 km NE of Santa Monica, Philippines 10.170°, 126.261° | 42.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 29 km NE of Santa Monica, Philippines on May 9, 2023, with origin time 20:33 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:31:50 UTC | 2.5ml | 64 km ENE of Port Alsworth, Alaska 60.352°, -153.197° | 148.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 64 km ENE of Port Alsworth, Alaska came in on May 9, 2023 at 20:31 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:08:46 UTC | 2.3md | 11 km ENE of P?hala, Hawaii 19.225°, -155.370° | 32.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 11 km ENE of P?hala, Hawaii came in on May 9, 2023 at 20:08 UTC. It arrived roughly 5 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 20:03:52 UTC | 2.4ml | 8 km NNW of Velma, Oklahoma 34.532°, -97.706° | 12.7 km | 1 | - | - | ✓ Reviewed | USGS → |
At 20:03 UTC on May 9, 2023, a magnitude 2.4 tremor occurred 8 km NNW of Velma, Oklahoma. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 19:39:40 UTC | 2.1ml | 106 km SSE of Sand Point, Alaska 54.459°, -159.831° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 106 km SSE of Sand Point, Alaska on May 9, 2023, with origin time 19:39 UTC. It arrived roughly 7 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 18:51:24 UTC | 4.0mb | Bonin Islands, Japan region 28.000°, 139.731° | 454.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake in the Bonin Islands, Japan region came in on May 9, 2023 at 18:51 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 18:48:26 UTC | 4.3mb | 89 km SE of Hamilton, Bermuda 31.628°, -64.246° | 4.5 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 89 km SE of Hamilton, Bermuda on May 9, 2023 at 18:48 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 18:32:43 UTC | 2.0md | Island of Hawaii, Hawaii 19.164°, -155.503° | 33.5 km | - | - | - | Auto | USGS → |
May 9, 2023 brought a magnitude 2.0 earthquake near Island of Hawaii, Hawaii, logged at 18:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 3 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 18:19:02 UTC | 3.3ml | 22 km SSE of Antelope Valley-Crestview, Wyoming 44.032°, -105.381° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 22 km SSE of Antelope Valley-Crestview, Wyoming on May 9, 2023 at 18:19 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-09 2023-05-09 18:02:54 UTC | 4.3mb | 31 km ENE of Iwaizumi, Japan 39.960°, 142.138° | 52.5 km | 1 | - | - | ✓ Reviewed | USGS → |
May 9, 2023 brought a magnitude 4.3 earthquake 31 km ENE of Iwaizumi, Japan, logged at 18:02 UTC. See the M4.3 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 May 9, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.