Earthquakes on July 12, 2021
416
EARTHQUAKES on July 12, 2021
24-hour UTC period · USGS data
93 km deep · 14 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
28
M3.0–3.9
11
M2.0–2.9
75
M1.0–1.9
301
Activity Summary
416
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
5.2
19 km SSE of Masachapa, Nicaragua
23:26 UTC · 92.8 km deep
Felt by 14
4.8
Chagos Archipelago region
03:19 UTC · 10.0 km deep
4.8
Chagos Archipelago region
01:28 UTC · 10.0 km deep
4.7
off the east coast of the Kamchatka Peninsula, Russia
23:06 UTC · 10.0 km deep
4.7
Izu Islands, Japan region
13:48 UTC · 10.0 km deep
4.7
130 km SSW of Abepura, Indonesia
12:51 UTC · 42.4 km deep
4.7
172 km ESE of Hihifo, Tonga
11:48 UTC · 10.0 km deep
4.7
126 km ESE of Ust’-Kamchatsk Staryy, Russia
11:41 UTC · 10.0 km deep
Earthquake Map — July 12, 2021
All Earthquakes — July 12, 2021
Showing 30 of 115 (filtered from 416)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-07-12 2021-07-12 23:58:00 UTC | 2.2ml | 7 km E of P?hala, Hawaii 19.214°, -155.409° | 35.0 km | - | - | - | Auto | USGS → |
On July 12, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 7 km E of P?hala, Hawaii at 23:58 UTC. Coming 19 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 23:42:29 UTC | 2.1md | 7 km SSW of Volcano, Hawaii 19.380°, -155.255° | 24.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021 at 23:42 UTC, a magnitude 2.1 earthquake struck 7 km SSW of Volcano, Hawaii. It arrived roughly 19 hours after a larger magnitude 3.4 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. | ||||||||
2021-07-12 2021-07-12 23:37:20 UTC | 2.3ml | 11 km NW of Stanley, Idaho 44.278°, -115.052° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 11 km NW of Stanley, Idaho with origin time 23:37 UTC on July 12, 2021. It arrived roughly 20 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. | ||||||||
2021-07-12 2021-07-12 23:26:35 UTC | 5.2mww | 19 km SSE of Masachapa, Nicaragua 11.615°, -86.479° | 92.8 km | 14 | - | - | ✓ Reviewed | USGS → |
On July 12, 2021 at 23:26 UTC, a magnitude 5.2 earthquake struck 19 km SSE of Masachapa, Nicaragua. It is the largest earthquake currently listed for worldwide seismic activity on July 12, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 23:06:10 UTC | 4.7mb | off the east coast of the Kamchatka Peninsula, Russia 52.615°, 160.457° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021, worldwide seismic activity registered a magnitude 4.7 earthquake near off the east coast of the Kamchatka Peninsula, Russia at 23:06 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:58:52 UTC | 3.1md | 9 km N of San Antonio, Puerto Rico 18.582°, -67.104° | 82.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 9 km N of San Antonio, Puerto Rico at 22:58 UTC on July 12, 2021. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:53:18 UTC | 2.2md | 29km SE of Markleeville, CA 38.536°, -119.525° | 4.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 29km SE of Markleeville, CA on July 12, 2021 at 22:53 UTC. It arrived roughly 18 hours after a larger magnitude 2.9 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:52:06 UTC | 4.5mb | 109 km S of Isangel, Vanuatu -20.531°, 169.194° | 52.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake 109 km S of Isangel, Vanuatu at 22:52 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:47:32 UTC | 2.1ml | 15km ENE of Ridgecrest, CA 35.672°, -117.522° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 15km ENE of Ridgecrest, CA on July 12, 2021 at 22:47 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:37:14 UTC | 4.5mb | 279 km SSW of Severo-Kuril’sk, Russia 48.392°, 154.521° | 52.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:37 UTC on July 12, 2021, a magnitude 4.5 tremor occurred 279 km SSW of Severo-Kuril’sk, Russia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:28:19 UTC | 4.4mb | Bonin Islands, Japan region 28.110°, 142.841° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected in the Bonin Islands, Japan region on July 12, 2021, with origin time 22:28 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:13:16 UTC | 2.1ml | 25 km SSE of Port Heiden, Alaska 56.726°, -158.504° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 25 km SSE of Port Heiden, Alaska with origin time 22:13 UTC on July 12, 2021. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 22:04:42 UTC | 2.5ml | 19 km SW of Atka, Alaska 52.066°, -174.390° | 186.4 km | - | II | - | ✓ Reviewed | USGS → |
July 12, 2021 brought a magnitude 2.5 earthquake 19 km SW of Atka, Alaska, logged at 22:04 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 21:46:36 UTC | 4.4mb | Kermadec Islands, New Zealand -29.777°, -178.307° | 195.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Kermadec Islands, New Zealand came in on July 12, 2021 at 21:46 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 21:06:20 UTC | 2.1md | 4 km S of P?hala, Hawaii 19.163°, -155.481° | 35.1 km | - | - | - | Auto | USGS → |
On July 12, 2021 at 21:06 UTC, a magnitude 2.1 earthquake struck 4 km S of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 20:14:51 UTC | 4.6mb | 220 km N of Bamboo Flat, India 13.694°, 92.745° | 24.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021 at 20:14 UTC, a magnitude 4.6 earthquake struck 220 km N of Bamboo Flat, India. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 19:38:15 UTC | 4.2mb | Kermadec Islands, New Zealand -29.607°, -178.886° | 258.7 km | - | - | - | ✓ Reviewed | USGS → |
At 19:38 UTC on July 12, 2021, a magnitude 4.2 tremor occurred near Kermadec Islands, New Zealand. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 19:20:48 UTC | 2.4ml | 6 km S of Volcano, Hawaii 19.388°, -155.243° | 1.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 6 km S of Volcano, Hawaii at 19:20 UTC on July 12, 2021. Coming 2 hours after a magnitude 2.4 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 19:11:36 UTC | 2.4ml | 5km NNE of Running Springs, CA 34.249°, -117.099° | 4.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 5km NNE of Running Springs, CA on July 12, 2021 at 19:11 UTC. 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. | ||||||||
2021-07-12 2021-07-12 18:57:46 UTC | 3.0ml | 23 km SSE of Wright, Wyoming 43.552°, -105.410° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 23 km SSE of Wright, Wyoming on July 12, 2021, with origin time 18:57 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 18:20:28 UTC | 2.8md | 29km SSW of Smith Valley, NV 38.557°, -119.504° | 5.2 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 29km SSW of Smith Valley, NV on July 12, 2021 at 18:20 UTC. It arrived roughly 14 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 18:17:34 UTC | 2.4ml | 80 km NNW of Aleneva, Alaska 58.690°, -153.589° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
At 18:17 UTC on July 12, 2021, a magnitude 2.4 tremor occurred 80 km NNW of Aleneva, Alaska. 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. | ||||||||
2021-07-12 2021-07-12 17:34:12 UTC | 2.7ml | 28 km E of West Yellowstone, Montana 44.663°, -110.749° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021 at 17:34 UTC, a magnitude 2.7 earthquake struck 28 km E of West Yellowstone, Montana. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 17:03:58 UTC | 3.0mb_lg | 7 km NNE of Manchester, Oklahoma 37.054°, -97.997° | 5.0 km | 11 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 7 km NNE of Manchester, Oklahoma came in on July 12, 2021 at 17:03 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 17:02:37 UTC | 2.4ml | 10 km WSW of Volcano, Hawaii 19.419°, -155.335° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 10 km WSW of Volcano, Hawaii at 17:02 UTC. It arrived roughly 12 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 17:02:06 UTC | 2.3ml | 10 km ENE of P?hala, Hawaii 19.254°, -155.390° | 31.4 km | - | - | - | Auto | USGS → |
On July 12, 2021 at 17:02 UTC, a magnitude 2.3 earthquake struck 10 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 12 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 16:53:31 UTC | 2.1md | 28km SE of Markleeville, CA 38.543°, -119.534° | 4.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 28km SE of Markleeville, CA with origin time 16:53 UTC on July 12, 2021. It arrived roughly 12 hours after a larger magnitude 2.9 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. | ||||||||
2021-07-12 2021-07-12 16:48:26 UTC | 4.4mb | 77 km WSW of Zhangye, China 38.622°, 99.652° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 77 km WSW of Zhangye, China on July 12, 2021 at 16:48 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 16:45:43 UTC | 2.3ml | 76 km NW of Nikolski, Alaska 53.445°, -169.633° | 222.7 km | - | - | - | ✓ Reviewed | USGS → |
At 16:45 UTC on July 12, 2021, a magnitude 2.3 tremor occurred 76 km NW of Nikolski, Alaska. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-12 2021-07-12 16:37:52 UTC | 2.5md | 28km SE of Markleeville, CA 38.546°, -119.527° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 12, 2021 at 16:37 UTC, a magnitude 2.5 earthquake struck 28km SE of Markleeville, CA. It arrived roughly 12 hours after a larger magnitude 2.9 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. | ||||||||
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 12, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.