Earthquakes on July 21, 2024
276
EARTHQUAKES on July 21, 2024
24-hour UTC period · USGS data
LARGEST: M6.2 — 6 km E of Jalapa, Guatemala
272 km deep · 85 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
27
M3.0–3.9
10
M2.0–2.9
57
M1.0–1.9
177
Activity Summary
276
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
6.2
6 km E of Jalapa, Guatemala
02:53 UTC · 272.0 km deep
Felt by 85
5.3
69 km S of Nemuro, Japan
04:27 UTC · 19.5 km deep
Felt by 1
5.3
56 km SW of Palaióchora, Greece
04:01 UTC · 10.0 km deep
Felt by 4
5.2
Pacific-Antarctic Ridge
10:29 UTC · 10.0 km deep
5.1
off the south coast of Australia
18:36 UTC · 10.0 km deep
4.7
297 km W of Sabang, Indonesia
06:20 UTC · 10.0 km deep
4.6
200 km NE of Kuril’sk, Russia
09:26 UTC · 10.0 km deep
4.6
8 km S of Gamut, Philippines
05:23 UTC · 57.6 km deep
Earthquake Map — July 21, 2024
All Earthquakes — July 21, 2024
Showing 30 of 99 (filtered from 276)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-07-21 2024-07-21 23:56:22 UTC | 4.4mb | 49 km NE of San Ignacio, Peru -4.870°, -78.649° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 49 km NE of San Ignacio, Peru at 23:56 UTC on July 21, 2024. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 23:54:44 UTC | 2.5md | 6 km WNW of Cobb, CA 38.824°, -122.793° | 2.5 km | - | - | - | Auto | USGS → |
On July 21, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 6 km WNW of Cobb, CA at 23:54 UTC. 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. | ||||||||
2024-07-21 2024-07-21 23:34:07 UTC | 2.1md | 11 km SW of Waikoloa, Hawaii 19.871°, -155.869° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 11 km SW of Waikoloa, Hawaii on July 21, 2024, with origin time 23:34 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 23:26:56 UTC | 4.2mb | 61 km SE of San Pedro de Atacama, Chile -23.332°, -67.806° | 141.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:26 UTC on July 21, 2024, a magnitude 4.2 tremor occurred 61 km SE of San Pedro de Atacama, Chile. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 22:51:16 UTC | 2.2md | 5 km SSW of Volcano, Hawaii 19.400°, -155.263° | -0.4 km | - | - | - | Auto | USGS → |
At 22:51 UTC on July 21, 2024, a magnitude 2.2 tremor occurred 5 km SSW of Volcano, Hawaii. Coming 19 hours after a magnitude 3.5 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 22:27:28 UTC | 2.1ml | 45 km NNW of Glacier View, Alaska 62.165°, -148.056° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
July 21, 2024 brought a magnitude 2.1 earthquake 45 km NNW of Glacier View, Alaska, logged at 22:27 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 22:09:54 UTC | 3.6ml | 8 km WNW of Palos Verdes Estates, CA 33.814°, -118.471° | 11.6 km | 1,233 | III | - | ✓ Reviewed | USGS → |
On July 21, 2024, worldwide seismic activity registered a magnitude 3.6 earthquake 8 km WNW of Palos Verdes Estates, CA at 22:09 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 22:01:00 UTC | 2.5ml | 6 km S of Volcano, Hawaii 19.388°, -155.241° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 6 km S of Volcano, Hawaii on July 21, 2024 at 22:01 UTC. It arrived roughly 18 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 21:53:23 UTC | 4.3mb | 118 km ENE of Tual, Indonesia -5.200°, 133.734° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 21, 2024 brought a magnitude 4.3 earthquake 118 km ENE of Tual, Indonesia, logged at 21:53 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 21:49:32 UTC | 2.5ml | 26 km NNE of Bondurant, Wyoming 43.416°, -110.261° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
July 21, 2024 brought a magnitude 2.5 earthquake 26 km NNE of Bondurant, Wyoming, logged at 21:49 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 21:00:14 UTC | 2.0ml | 133 km SW of Akhiok, Alaska 56.216°, -155.892° | 28.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 21, 2024 at 21:00 UTC, a magnitude 2.0 earthquake struck 133 km SW of Akhiok, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 21:00:12 UTC | 2.5ml | 6 km S of Volcano, Hawaii 19.382°, -155.240° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:00 UTC on July 21, 2024, a magnitude 2.5 tremor occurred 6 km S of Volcano, Hawaii. It arrived roughly 17 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 20:28:55 UTC | 2.6md | 9 km W of Rio Dell, CA 40.486°, -124.206° | 8.0 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 9 km W of Rio Dell, CA came in on July 21, 2024 at 20:28 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 20:21:23 UTC | 2.3md | 8 km SSE of Dollar Point, CA 39.135°, -120.034° | 5.3 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 8 km SSE of Dollar Point, CA came in on July 21, 2024 at 20:21 UTC. It arrived roughly 17 hours after a larger magnitude 3.3 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. | ||||||||
2024-07-21 2024-07-21 20:19:29 UTC | 4.3mb | 74 km E of Hakha, Myanmar 22.589°, 94.335° | 64.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 21, 2024 at 20:19 UTC, a magnitude 4.3 earthquake struck 74 km E of Hakha, Myanmar. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 19:32:58 UTC | 4.5mb | 70 km WNW of Neiafu, Tonga -18.334°, -174.561° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 70 km WNW of Neiafu, Tonga on July 21, 2024 at 19:32 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 19:14:37 UTC | 2.2ml | 62 km ENE of San Vicente, Mexico 31.486°, -115.615° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
July 21, 2024 brought a magnitude 2.2 earthquake 62 km ENE of San Vicente, Mexico, logged at 19:14 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 18:36:52 UTC | 5.1mb | off the south coast of Australia -39.753°, 121.145° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:36 UTC on July 21, 2024, a magnitude 5.1 tremor occurred near off the south coast of Australia. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 18:33:26 UTC | 2.3ml | 45 km NW of Toyah, Texas 31.622°, -104.107° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 45 km NW of Toyah, Texas on July 21, 2024 at 18:33 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 18:25:54 UTC | 2.3md | 3 km NW of The Geysers, CA 38.793°, -122.778° | 3.5 km | - | - | - | Auto | USGS → |
July 21, 2024 brought a magnitude 2.3 earthquake 3 km NW of The Geysers, CA, logged at 18:25 UTC. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 18:13:25 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.680°, -104.407° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 55 km S of Whites City, New Mexico on July 21, 2024 at 18:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 18:03:00 UTC | 3.3ml | 19 km ENE of Wright, Wyoming 43.841°, -105.281° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 19 km ENE of Wright, Wyoming came in on July 21, 2024 at 18:03 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. | ||||||||
2024-07-21 2024-07-21 17:53:07 UTC | 2.3ml | 74 km S of Nikolski, Alaska 52.277°, -169.052° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 21, 2024 at 17:53 UTC, a magnitude 2.3 earthquake struck 74 km S of Nikolski, Alaska. It arrived roughly 7 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 17:46:18 UTC | 2.1ml | 5 km SW of Volcano, Hawaii 19.403°, -155.267° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 5 km SW of Volcano, Hawaii on July 21, 2024 at 17:46 UTC. It arrived roughly 14 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 17:26:10 UTC | 2.2ml | 11 km SW of Volcano, Hawaii 19.360°, -155.294° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 11 km SW of Volcano, Hawaii came in on July 21, 2024 at 17:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 13 hours earlier. 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. | ||||||||
2024-07-21 2024-07-21 17:17:13 UTC | 2.5ml | 139 km WSW of Adak, Alaska 51.391°, -178.490° | 31.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 21, 2024 at 17:17 UTC, a magnitude 2.5 earthquake struck 139 km WSW of Adak, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 17:08:20 UTC | 2.6ml | 262 km ESE of Chiniak, Alaska 56.410°, -148.556° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 262 km ESE of Chiniak, Alaska at 17:08 UTC on July 21, 2024. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 16:27:41 UTC | 2.1md | 2 km WSW of Pāhala, Hawaii 19.191°, -155.500° | 33.3 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 2 km WSW of Pāhala, Hawaii at 16:27 UTC on July 21, 2024. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 9 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 16:24:43 UTC | 2.5ml | 82 km SSW of Nikolski, Alaska 52.309°, -169.490° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 82 km SSW of Nikolski, Alaska on July 21, 2024 at 16:24 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-21 2024-07-21 16:23:06 UTC | 4.2mb | Fiji region -19.363°, -177.668° | 603.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Fiji region at 16:23 UTC on July 21, 2024. 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. | ||||||||
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 21, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.