Earthquakes on July 20, 2024
234
EARTHQUAKES on July 20, 2024
24-hour UTC period · USGS data
LARGEST: M5.3 — South Sandwich Islands region
56 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
29
M3.0–3.9
4
M2.0–2.9
43
M1.0–1.9
155
Activity Summary
234
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.3
South Sandwich Islands region
01:01 UTC · 55.9 km deep
5.1
155 km WSW of Teluk Dalam, Indonesia
12:05 UTC · 10.0 km deep
5.0
251 km E of Tadine, New Caledonia
00:34 UTC · 73.6 km deep
4.9
103 km S of Dushanzi, China
18:10 UTC · 10.0 km deep
4.9
190 km SSE of Lata, Solomon Islands
17:41 UTC · 133.8 km deep
4.9
75 km ESE of Iwaki, Japan
11:15 UTC · 23.6 km deep
Felt by 7
4.8
southeast of the Loyalty Islands
21:01 UTC · 10.0 km deep
4.8
279 km SSE of Alo, Wallis and Futuna
14:21 UTC · 10.0 km deep
Earthquake Map — July 20, 2024

All Earthquakes — July 20, 2024
Showing 30 of 79 (filtered from 234)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-07-20 2024-07-20 23:22:37 UTC | 4.2mb | 147 km SSE of Vilyuchinsk, Russia 51.678°, 159.103° | 50.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 147 km SSE of Vilyuchinsk, Russia with origin time 23:22 UTC on July 20, 2024. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 22:08:08 UTC | 2.7ml | 21 km NW of Halfway, Oregon 44.997°, -117.334° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 21 km NW of Halfway, Oregon on July 20, 2024 at 22:08 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:56:49 UTC | 2.5ml | 273 km ESE of Chiniak, Alaska 56.706°, -148.085° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2024 brought a magnitude 2.5 earthquake 273 km ESE of Chiniak, Alaska, logged at 21:56 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:54:14 UTC | 2.5ml | 64 km SE of Adak, Alaska 51.417°, -176.064° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024 at 21:54 UTC, a magnitude 2.5 earthquake struck 64 km SE of Adak, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:52:30 UTC | 2.6ml | 6 km S of Volcano, Hawaii 19.384°, -155.240° | 1.8 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 6 km S of Volcano, Hawaii at 21:52 UTC on July 20, 2024. It arrived roughly 1 hours after a larger magnitude 3.5 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:45:52 UTC | 3.5ml | 6 km SSW of Volcano, Hawaii 19.390°, -155.250° | 1.5 km | 3 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.5 earthquake 6 km SSW of Volcano, Hawaii with origin time 21:45 UTC on July 20, 2024. 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 M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:45:28 UTC | 2.5ml | 6 km S of Volcano, Hawaii 19.384°, -155.240° | 1.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 20, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 6 km S of Volcano, Hawaii at 21:45 UTC. Coming 1 hours after a magnitude 2.5 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:33:32 UTC | 4.1mb | 31 km NW of Cartagena, Chile -33.393°, -71.890° | 30.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 31 km NW of Cartagena, Chile on July 20, 2024, with origin time 21:33 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:31:26 UTC | 2.1ml | 6 km S of Volcano, Hawaii 19.382°, -155.244° | 0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 6 km S of Volcano, Hawaii at 21:31 UTC on July 20, 2024. Coming 1 hours after a magnitude 2.5 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. | ||||||||
2024-07-20 2024-07-20 21:26:40 UTC | 2.0ml | 6 km SSW of Volcano, Hawaii 19.386°, -155.246° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:26 UTC on July 20, 2024, a magnitude 2.0 tremor occurred 6 km SSW of Volcano, Hawaii. Coming 1 hours after a magnitude 2.5 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:25:54 UTC | 2.4ml | 54 km S of Whites City, New Mexico 31.682°, -104.427° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 54 km S of Whites City, New Mexico at 21:25 UTC on July 20, 2024. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:21:22 UTC | 2.1ml | 6 km S of Volcano, Hawaii 19.387°, -155.240° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 6 km S of Volcano, Hawaii came in on July 20, 2024 at 21:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 1 hours earlier. 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. | ||||||||
2024-07-20 2024-07-20 21:21:22 UTC | 2.5ml | 6 km S of Volcano, Hawaii 19.386°, -155.245° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 6 km S of Volcano, Hawaii on July 20, 2024 at 21:21 UTC. In the 72 hours after this event, the USGS recorded 10 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:14:58 UTC | 2.3mb_lg | 17 km S of Weston, Colorado 36.978°, -104.881° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2024 brought a magnitude 2.3 earthquake 17 km S of Weston, Colorado, logged at 21:14 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:14:27 UTC | 2.4ml | 6 km S of Volcano, Hawaii 19.385°, -155.241° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 6 km S of Volcano, Hawaii on July 20, 2024 at 21:14 UTC. In the 72 hours after this event, the USGS recorded 9 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 21:01:21 UTC | 4.8mb | southeast of the Loyalty Islands -23.299°, 171.036° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected southeast of the Loyalty Islands on July 20, 2024, with origin time 21:01 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 20:46:41 UTC | 4.4mwr | 46 km ENE of Onagawa Chō, Japan 38.629°, 141.929° | 39.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 46 km ENE of Onagawa Chō, Japan came in on July 20, 2024 at 20:46 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 20:25:50 UTC | 4.4mb | Bonin Islands, Japan region 27.810°, 142.898° | 17.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place in the Bonin Islands, Japan region on July 20, 2024 at 20:25 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 20:12:28 UTC | 4.2mb | 35 km S of Behbahān, Iran 30.279°, 50.180° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024, worldwide seismic activity registered a magnitude 4.2 earthquake 35 km S of Behbahān, Iran at 20:12 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 18:10:06 UTC | 4.9mb | 103 km S of Dushanzi, China 43.404°, 84.807° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024, worldwide seismic activity registered a magnitude 4.9 earthquake 103 km S of Dushanzi, China at 18:10 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 18:02:45 UTC | 4.1mb | 94 km E of Petropavlovsk-Kamchatsky, Russia 52.978°, 160.023° | 47.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 94 km E of Petropavlovsk-Kamchatsky, Russia came in on July 20, 2024 at 18:02 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 18:00:17 UTC | 2.1ml | 48 km SE of Pedro Bay, Alaska 59.448°, -153.574° | 114.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 48 km SE of Pedro Bay, Alaska on July 20, 2024 at 18:00 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 17:58:44 UTC | 2.2md | 14 km SE of Tres Pinos, CA 36.718°, -121.194° | 12.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 14 km SE of Tres Pinos, CA at 17:58 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 17:41:57 UTC | 4.9mb | 190 km SSE of Lata, Solomon Islands -12.234°, 166.634° | 133.8 km | - | - | - | ✓ Reviewed | USGS → |
At 17:41 UTC on July 20, 2024, a magnitude 4.9 tremor occurred 190 km SSE of Lata, Solomon Islands. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 16:45:10 UTC | 2.6ml | 54 km S of Kivalina, Alaska 67.241°, -164.612° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 54 km S of Kivalina, Alaska came in on July 20, 2024 at 16:45 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. | ||||||||
2024-07-20 2024-07-20 16:44:55 UTC | 4.0mb | 44 km SSW of Palaióchora, Greece 34.867°, 23.490° | 46.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024 at 16:44 UTC, a magnitude 4.0 earthquake struck 44 km SSW of Palaióchora, Greece. It arrived roughly 1 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 16:00:38 UTC | 4.5mb | 85 km ESE of Kokopo, Papua New Guinea -4.557°, 153.005° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2024, worldwide seismic activity registered a magnitude 4.5 earthquake 85 km ESE of Kokopo, Papua New Guinea at 16:00 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 15:48:29 UTC | 2.9ml | Rat Islands, Aleutian Islands, Alaska 51.891°, 178.395° | 120.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected near Rat Islands, Aleutian Islands, Alaska on July 20, 2024, with origin time 15:48 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 15:41:30 UTC | 2.1ml | 76 km SSE of Akutan, Alaska 53.497°, -165.339° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2024 brought a magnitude 2.1 earthquake 76 km SSE of Akutan, Alaska, logged at 15:41 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-20 2024-07-20 15:38:06 UTC | 4.5mb | 45 km SW of Palaióchora, Greece 34.896°, 23.385° | 8.4 km | 1 | - | - | ✓ Reviewed | USGS → |
At 15:38 UTC on July 20, 2024, a magnitude 4.5 tremor occurred 45 km SW of Palaióchora, Greece. The event was offshore. See the M4.5 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 July 20, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.