Earthquakes on July 24, 2021
334
EARTHQUAKES on July 24, 2021
24-hour UTC period · USGS data
LARGEST: M6.1 — Kermadec Islands region
10 km deep · 11 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
41
M3.0–3.9
10
M2.0–2.9
77
M1.0–1.9
203
Activity Summary
334
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.1
Kermadec Islands region
12:51 UTC · 10.0 km deep
Felt by 11
5.3
202 km NW of Tobelo, Indonesia
13:07 UTC · 54.8 km deep
Felt by 1
5.1
53 km WNW of Gizo, Solomon Islands
13:19 UTC · 10.0 km deep
Felt by 1
4.9
southeast of the Loyalty Islands
16:36 UTC · 106.9 km deep
4.8
273 km NE of Santa Cruz das Flores, Portugal
03:59 UTC · 10.0 km deep
Felt by 4
4.8
208 km SE of Hihifo, Tonga
02:55 UTC · 10.0 km deep
4.7
21 km SE of Finschhafen, Papua New Guinea
19:49 UTC · 63.3 km deep
4.7
4 km W of Thrapsanón, Greece
02:07 UTC · 10.0 km deep
Felt by 64
Earthquake Map — July 24, 2021
All Earthquakes — July 24, 2021
Showing 30 of 131 (filtered from 334)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-07-24 2021-07-24 23:41:51 UTC | 2.7ml | 80 km NW of Yakutat, Alaska 60.069°, -140.727° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 80 km NW of Yakutat, Alaska on July 24, 2021 at 23:41 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:25:34 UTC | 2.3ml | 70 km S of Adak, Alaska 51.243°, -176.551° | 20.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 70 km S of Adak, Alaska on July 24, 2021 at 23:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 5 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:23:17 UTC | 4.3mb | 35 km SE of Londres, Argentina -27.915°, -66.858° | 186.3 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 24, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 35 km SE of Londres, Argentina at 23:23 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:22:51 UTC | 4.6mb | 127 km NNE of Hirara, Japan 25.927°, 125.559° | 94.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 127 km NNE of Hirara, Japan on July 24, 2021 at 23:22 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:11:22 UTC | 4.4mb | 21 km ESE of Khorugh, Tajikistan 37.437°, 71.782° | 110.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 21 km ESE of Khorugh, Tajikistan with origin time 23:11 UTC on July 24, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:06:10 UTC | 2.9md | 12km WSW of Petrolia, CA 40.286°, -124.420° | 32.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 12km WSW of Petrolia, CA at 23:06 UTC on July 24, 2021. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 23:02:14 UTC | 2.4md | 5 km WSW of La Parguera, Puerto Rico 17.965°, -67.100° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 24, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 5 km WSW of La Parguera, Puerto Rico at 23:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 8 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 22:53:05 UTC | 2.2ml | 9 km SSE of Volcano, Hawaii 19.360°, -155.211° | -0.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 9 km SSE of Volcano, Hawaii on July 24, 2021 at 22:53 UTC. Coming 12 hours after a magnitude 2.6 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. | ||||||||
2021-07-24 2021-07-24 22:28:37 UTC | 2.1md | 19km E of Le Grand, CA 37.204°, -120.041° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 19km E of Le Grand, CA with origin time 22:28 UTC on July 24, 2021. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 22:22:07 UTC | 4.5mb | Kermadec Islands region -30.360°, -176.884° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:22 UTC on July 24, 2021, a magnitude 4.5 tremor occurred in the Kermadec Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 21:56:55 UTC | 4.0mb | 8 km NE of Asímion, Greece 35.094°, 25.167° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 8 km NE of Asímion, Greece on July 24, 2021 at 21:56 UTC. Coming 20 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 21:42:18 UTC | 4.4mb | 263 km S of Sinabang, Indonesia 0.108°, 96.635° | 17.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 24, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 263 km S of Sinabang, Indonesia at 21:42 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 21:33:56 UTC | 3.1ml | 252 km SSE of Attu Station, Alaska 50.820°, 174.842° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 24, 2021 at 21:33 UTC, a magnitude 3.1 earthquake struck 252 km SSE of Attu Station, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 21:20:23 UTC | 2.3ml | 71 km ESE of Sand Point, Alaska 55.035°, -159.514° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
July 24, 2021 brought a magnitude 2.3 earthquake 71 km ESE of Sand Point, Alaska, logged at 21:20 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 21:02:35 UTC | 2.1ml | 90 km SW of Atka, Alaska 51.654°, -175.190° | 41.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 90 km SW of Atka, Alaska at 21:02 UTC on July 24, 2021. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:55:37 UTC | 2.1ml | 3 km S of P?hala, Hawaii 19.168°, -155.482° | 33.0 km | - | - | - | Auto | USGS → |
At 20:55 UTC on July 24, 2021, a magnitude 2.1 tremor occurred 3 km S of P?hala, Hawaii. It arrived roughly 1 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:39:53 UTC | 3.0ml | 6 km ENE of P?hala, Hawaii 19.223°, -155.420° | 34.3 km | - | - | - | ✓ Reviewed | USGS → |
At 20:39 UTC on July 24, 2021, a magnitude 3.0 tremor occurred 6 km ENE of P?hala, Hawaii. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:37:31 UTC | 2.2ml | 7 km ESE of P?hala, Hawaii 19.185°, -155.407° | 32.0 km | - | - | - | Auto | USGS → |
July 24, 2021 brought a magnitude 2.2 earthquake 7 km ESE of P?hala, Hawaii, logged at 20:37 UTC. It arrived roughly 6 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:32:47 UTC | 2.1ml | 6 km ENE of P?hala, Hawaii 19.219°, -155.421° | 33.7 km | - | - | - | Auto | USGS → |
On July 24, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 6 km ENE of P?hala, Hawaii at 20:32 UTC. Coming 6 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:31:38 UTC | 4.4mb | south of the Kermadec Islands -33.516°, -178.784° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:31 UTC on July 24, 2021, a magnitude 4.4 tremor occurred south of the Kermadec Islands. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:29:26 UTC | 2.1ml | 77 km N of Rachel, Nevada 38.335°, -115.845° | 12.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 77 km N of Rachel, Nevada on July 24, 2021, with origin time 20:29 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:29:00 UTC | 2.3ml | Island of Hawaii, Hawaii 19.223°, -155.426° | 33.6 km | - | - | - | Auto | USGS → |
On July 24, 2021 at 20:29 UTC, a magnitude 2.3 earthquake struck near Island of Hawaii, Hawaii. It arrived roughly 6 hours after a larger magnitude 2.4 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. | ||||||||
2021-07-24 2021-07-24 20:28:39 UTC | 2.4ml | 5 km E of P?hala, Hawaii 19.194°, -155.424° | 32.7 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 5 km E of P?hala, Hawaii with origin time 20:28 UTC on July 24, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:09:19 UTC | 4.5mb | Kermadec Islands, New Zealand -29.743°, -177.107° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near Kermadec Islands, New Zealand at 20:09 UTC on July 24, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 20:06:42 UTC | 3.2ml | 31 km SE of Wright, Wyoming 43.550°, -105.219° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 31 km SE of Wright, Wyoming came in on July 24, 2021 at 20:06 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 19:49:41 UTC | 4.7mb | 21 km SE of Finschhafen, Papua New Guinea -6.718°, 147.959° | 63.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 21 km SE of Finschhafen, Papua New Guinea on July 24, 2021, with origin time 19:49 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 19:34:22 UTC | 3.1md | 7 km WNW of Aguadilla, Puerto Rico 18.464°, -67.213° | 19.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 7 km WNW of Aguadilla, Puerto Rico with origin time 19:34 UTC on July 24, 2021. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 18:53:17 UTC | 2.3ml | 220 km S of Sand Point, Alaska 53.358°, -160.351° | 30.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 220 km S of Sand Point, Alaska on July 24, 2021 at 18:53 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 18:32:17 UTC | 2.4ml | 61 km ENE of Pedro Bay, Alaska 59.993°, -153.081° | 125.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 61 km ENE of Pedro Bay, Alaska on July 24, 2021, with origin time 18:32 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-24 2021-07-24 18:28:11 UTC | 4.3mb | Kermadec Islands, New Zealand -30.149°, -177.508° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:28 UTC on July 24, 2021, a magnitude 4.3 tremor occurred near Kermadec Islands, New Zealand. 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 July 24, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.