Earthquakes on June 21, 2024
299
EARTHQUAKES on June 21, 2024
24-hour UTC period · USGS data
LARGEST: M5.5 — central Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
29
M3.0–3.9
16
M2.0–2.9
39
M1.0–1.9
212
Activity Summary
299
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
central Mid-Atlantic Ridge
20:53 UTC · 10.0 km deep
5.0
278 km WSW of Sigatoka, Fiji
19:14 UTC · 14.6 km deep
5.0
133 km SW of Abepura, Indonesia
00:11 UTC · 77.1 km deep
4.8
94 km SSE of Kokopo, Papua New Guinea
22:51 UTC · 40.8 km deep
4.8
41 km ESE of Port-Olry, Vanuatu
14:17 UTC · 128.9 km deep
4.8
193 km WSW of Adak, Alaska
12:12 UTC · 35.0 km deep
4.8
39 km SSW of Palaióchora, Greece
06:09 UTC · 36.8 km deep
4.8
Mid-Indian Ridge
00:17 UTC · 10.0 km deep
Earthquake Map — June 21, 2024
All Earthquakes — June 21, 2024
Showing 30 of 87 (filtered from 299)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-06-21 2024-06-21 23:53:15 UTC | 4.5mb | 68 km N of Masohi, Indonesia -2.691°, 128.861° | 22.9 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024 at 23:53 UTC, a magnitude 4.5 earthquake struck 68 km N of Masohi, Indonesia. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 23:47:47 UTC | 2.3ml | 44 km SSE of Cantwell, Alaska 63.001°, -148.776° | 68.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024 at 23:47 UTC, a magnitude 2.3 earthquake struck 44 km SSE of Cantwell, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 22:57:45 UTC | 2.0ml | 53 km SSE of Denali National Park, Alaska 63.078°, -151.433° | 8.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 53 km SSE of Denali National Park, Alaska on June 21, 2024 at 22:57 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 22:56:14 UTC | 2.0ml | 51 km SSE of Denali National Park, Alaska 63.090°, -151.469° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 51 km SSE of Denali National Park, Alaska with origin time 22:56 UTC on June 21, 2024. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 22:51:55 UTC | 4.8mb | 94 km SSE of Kokopo, Papua New Guinea -5.159°, 152.513° | 40.8 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024, worldwide seismic activity registered a magnitude 4.8 earthquake 94 km SSE of Kokopo, Papua New Guinea at 22:51 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 22:39:33 UTC | 4.2mb | 164 km NNW of Sola, Vanuatu -12.516°, 166.940° | 255.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 164 km NNW of Sola, Vanuatu with origin time 22:39 UTC on June 21, 2024. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 22:28:32 UTC | 2.1ml | 47 km ENE of Fort Bidwell, California 41.960°, -119.597° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:28 UTC on June 21, 2024, a magnitude 2.1 tremor occurred 47 km ENE of Fort Bidwell, California. 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. | ||||||||
2024-06-21 2024-06-21 21:56:23 UTC | 2.0ml | 8 km WSW of Sunrise, Alaska 60.843°, -149.558° | 35.4 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024, worldwide seismic activity registered a magnitude 2.0 earthquake 8 km WSW of Sunrise, Alaska at 21:56 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 21:42:05 UTC | 4.4mb | 238 km WSW of Sigatoka, Fiji -19.179°, 175.521° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:42 UTC on June 21, 2024, a magnitude 4.4 tremor occurred 238 km WSW of Sigatoka, Fiji. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 21:23:53 UTC | 3.4ml | 67 km NNE of Petersville, Alaska 63.091°, -150.492° | 112.1 km | 2 | - | - | ✓ Reviewed | USGS → |
On June 21, 2024, worldwide seismic activity registered a magnitude 3.4 earthquake 67 km NNE of Petersville, Alaska at 21:23 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 20:53:09 UTC | 5.5mww | central Mid-Atlantic Ridge 0.769°, -26.143° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On June 21, 2024 at 20:53 UTC, a magnitude 5.5 earthquake struck near central Mid-Atlantic Ridge. 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 June 21, 2024. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:58:58 UTC | 2.0ml | 141 km SSW of Nikolski, Alaska 51.724°, -169.466° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:58 UTC on June 21, 2024, a magnitude 2.0 tremor occurred 141 km SSW of Nikolski, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:48:23 UTC | 2.3ml | 1 km WSW of Waikoloa, Hawaii 19.931°, -155.804° | 29.8 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024, worldwide seismic activity registered a magnitude 2.3 earthquake 1 km WSW of Waikoloa, Hawaii at 19:48 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:41:56 UTC | 2.3ml | 11 km SE of New Harmony, Utah 37.417°, -113.209° | 9.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 11 km SE of New Harmony, Utah on June 21, 2024 at 19:41 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:31:35 UTC | 4.4mb | 13 km SE of Perbaungan, Indonesia 3.466°, 99.024° | 189.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 13 km SE of Perbaungan, Indonesia at 19:31 UTC on June 21, 2024. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:21:35 UTC | 2.1md | 10 km E of Pāhala, Hawaii 19.206°, -155.380° | 28.8 km | - | - | - | Auto | USGS → |
June 21, 2024 brought a magnitude 2.1 earthquake 10 km E of Pāhala, Hawaii, logged at 19:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:14:25 UTC | 5.0mww | 278 km WSW of Sigatoka, Fiji -19.386°, 175.211° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded 278 km WSW of Sigatoka, Fiji on June 21, 2024 at 19:14 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:09:13 UTC | 4.6mb | 78 km NNW of Ternate, Indonesia 1.460°, 127.158° | 122.4 km | - | - | - | ✓ Reviewed | USGS → |
June 21, 2024 brought a magnitude 4.6 earthquake 78 km NNW of Ternate, Indonesia, logged at 19:09 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 19:03:07 UTC | 4.7mb | 69 km ENE of Barcelona, Philippines 8.479°, 126.976° | 46.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 69 km ENE of Barcelona, Philippines on June 21, 2024 at 19:03 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 18:59:21 UTC | 3.2ml | 144 km ESE of Attu Station, Alaska 52.211°, 175.042° | 66.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 144 km ESE of Attu Station, Alaska came in on June 21, 2024 at 18:59 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 17:43:14 UTC | 3.8md | 9 km SW of Stella, Puerto Rico 18.268°, -67.312° | 88.0 km | 4 | II | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 9 km SW of Stella, Puerto Rico with origin time 17:43 UTC on June 21, 2024. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 17:42:17 UTC | 2.7ml | 48 km SSE of Adak, Alaska 51.485°, -176.320° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
June 21, 2024 brought a magnitude 2.7 earthquake 48 km SSE of Adak, Alaska, logged at 17:42 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 17:38:25 UTC | 4.2mb | 27 km SE of Santa Gertrudis Miramar, Mexico 15.882°, -95.224° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024, worldwide seismic activity registered a magnitude 4.2 earthquake 27 km SE of Santa Gertrudis Miramar, Mexico at 17:38 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 17:30:09 UTC | 2.8md | 10 km SW of Esperanza, Puerto Rico 18.026°, -65.540° | 13.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 10 km SW of Esperanza, Puerto Rico on June 21, 2024 at 17:30 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 16:27:17 UTC | 2.2md | 0 km SSE of Isabel Segunda, Puerto Rico 18.144°, -65.440° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 0 km SSE of Isabel Segunda, Puerto Rico came in on June 21, 2024 at 16:27 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 15:06:35 UTC | 3.0ml | 193 km WSW of Adak, Alaska 51.089°, -179.121° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 193 km WSW of Adak, Alaska with origin time 15:06 UTC on June 21, 2024. It arrived roughly 3 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 14:50:42 UTC | 2.7ml | 106 km SSE of Sand Point, Alaska 54.454°, -159.849° | 34.7 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2024 at 14:50 UTC, a magnitude 2.7 earthquake struck 106 km SSE of Sand Point, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 14:40:06 UTC | 2.2ml | 202 km WSW of Adak, Alaska 50.958°, -179.157° | 14.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 202 km WSW of Adak, Alaska on June 21, 2024 at 14:40 UTC. Coming 2 hours after a magnitude 4.8 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. | ||||||||
2024-06-21 2024-06-21 14:17:36 UTC | 4.8mb | 41 km ESE of Port-Olry, Vanuatu -15.160°, 167.440° | 128.9 km | - | - | - | ✓ Reviewed | USGS → |
At 14:17 UTC on June 21, 2024, a magnitude 4.8 tremor occurred 41 km ESE of Port-Olry, Vanuatu. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-06-21 2024-06-21 14:13:37 UTC | 4.2mb | 173 km WNW of Sabang, Indonesia 6.618°, 93.925° | 58.8 km | - | - | - | ✓ Reviewed | USGS → |
At 14:13 UTC on June 21, 2024, a magnitude 4.2 tremor occurred 173 km WNW of Sabang, Indonesia. 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 June 21, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.