Earthquakes on August 2, 2021
349
EARTHQUAKES on August 2, 2021
24-hour UTC period · USGS data
LARGEST: M6.0 — 182 km NE of Tual, Indonesia
10 km deep · 3 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
36
M3.0–3.9
27
M2.0–2.9
84
M1.0–1.9
195
Activity Summary
349
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
6.0
182 km NE of Tual, Indonesia
05:01 UTC · 10.0 km deep
Felt by 3
5.8
184 km SW of Sungai Penuh, Indonesia
22:48 UTC · 20.0 km deep
Felt by 1
5.6
Kermadec Islands, New Zealand
01:27 UTC · 31.6 km deep
5.3
123 km SSE of Kuril’sk, Russia
03:28 UTC · 29.0 km deep
5.2
164 km SW of Sungai Penuh, Indonesia
23:01 UTC · 10.0 km deep
Felt by 1
5.1
70 km W of Tobelo, Indonesia
15:04 UTC · 122.5 km deep
5.1
southern Mid-Atlantic Ridge
03:28 UTC · 10.0 km deep
4.8
Kermadec Islands, New Zealand
17:34 UTC · 10.0 km deep
Earthquake Map — August 2, 2021
All Earthquakes — August 2, 2021
Showing 30 of 154 (filtered from 349)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-08-02 2021-08-02 23:56:17 UTC | 4.2mb | 35 km SSW of Mandráki, Greece 36.320°, 26.980° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 4.2 earthquake 35 km SSW of Mandráki, Greece at 23:56 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:51:03 UTC | 2.0ml | western Texas 31.678°, -104.402° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021 at 23:51 UTC, a magnitude 2.0 earthquake struck near western Texas. It arrived roughly 2 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:41:46 UTC | 2.1ml | 74 km S of Perryville, Alaska 55.245°, -159.065° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 74 km S of Perryville, Alaska at 23:41 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:31:13 UTC | 2.0md | 1 km SSW of Cawood, Kentucky 36.768°, -83.239° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 1 km SSW of Cawood, Kentucky on August 2, 2021, with origin time 23:31 UTC. 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. | ||||||||
2021-08-02 2021-08-02 23:07:49 UTC | 2.8ml | 5 km ENE of P?hala, Hawaii 19.223°, -155.431° | 33.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 5 km ENE of P?hala, Hawaii came in on August 2, 2021 at 23:07 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:05:42 UTC | 2.9md | 15km E of Seven Trees, CA 37.302°, -121.671° | 6.2 km | 50 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 15km E of Seven Trees, CA on August 2, 2021 at 23:05 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:03:02 UTC | 2.1md | 10km W of Alder Springs, CA 39.667°, -122.844° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 10km W of Alder Springs, CA on August 2, 2021 at 23:03 UTC. Coming 5 hours after a magnitude 3.7 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. | ||||||||
2021-08-02 2021-08-02 23:01:01 UTC | 5.2mb | 164 km SW of Sungai Penuh, Indonesia -3.162°, 100.406° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 23:01 UTC on August 2, 2021, a magnitude 5.2 tremor occurred 164 km SW of Sungai Penuh, Indonesia. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:00:40 UTC | 4.7mb | 175 km SW of Sungai Penuh, Indonesia -3.226°, 100.320° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021 at 23:00 UTC, a magnitude 4.7 earthquake struck 175 km SW of Sungai Penuh, Indonesia. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 23:00:31 UTC | 2.1md | 4 km SSE of P?hala, Hawaii 19.167°, -155.464° | 32.3 km | - | - | - | Auto | USGS → |
On August 2, 2021 at 23:00 UTC, a magnitude 2.1 earthquake struck 4 km SSE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 15 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 22:48:50 UTC | 5.8mww | 184 km SW of Sungai Penuh, Indonesia -3.211°, 100.198° | 20.0 km | 1 | V | green | ✓ Reviewed | USGS → |
A magnitude 5.8 earthquake was recorded 184 km SW of Sungai Penuh, Indonesia on August 2, 2021 at 22:48 UTC. 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 M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 22:47:47 UTC | 4.6mb | Tajikistan-Xinjiang border region 38.262°, 73.178° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake in the Tajikistan-Xinjiang border region at 22:47 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 22:36:06 UTC | 3.7ml | 152 km SSE of Chignik, Alaska 55.161°, -157.045° | 18.8 km | 1 | I | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 152 km SSE of Chignik, Alaska came in on August 2, 2021 at 22:36 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 22:28:45 UTC | 2.2md | 12km W of Alder Springs, CA 39.668°, -122.858° | -0.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 12km W of Alder Springs, CA on August 2, 2021, with origin time 22:28 UTC. Coming 4 hours after a magnitude 3.7 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. | ||||||||
2021-08-02 2021-08-02 22:20:19 UTC | 2.4md | 13km WNW of Alder Springs, CA 39.675°, -122.871° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 13km WNW of Alder Springs, CA came in on August 2, 2021 at 22:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 4 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:57:09 UTC | 2.1ml | 93 km SSE of Sand Point, Alaska 54.597°, -159.816° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:57 UTC on August 2, 2021, a magnitude 2.1 tremor occurred 93 km SSE of Sand Point, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:49:59 UTC | 3.2ml | 56 km S of Whites City, New Mexico 31.668°, -104.394° | 6.2 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 56 km S of Whites City, New Mexico at 21:49 UTC on August 2, 2021. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:39:37 UTC | 4.5mb | 115 km SW of An?r Darah, Afghanistan 32.165°, 60.642° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 115 km SW of An?r Darah, Afghanistan came in on August 2, 2021 at 21:39 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:39:12 UTC | 4.4mb | near the east coast of Honshu, Japan 36.242°, 141.902° | 15.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake near near the east coast of Honshu, Japan at 21:39 UTC. Coming 6 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:31:39 UTC | 2.1ml | 96 km SE of Ugashik, Alaska 56.828°, -156.427° | 12.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 96 km SE of Ugashik, Alaska at 21:31 UTC on August 2, 2021. It arrived roughly 15 hours after a larger magnitude 2.3 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. | ||||||||
2021-08-02 2021-08-02 21:25:10 UTC | 2.3ml | 24km W of Ludlow, CA 34.739°, -116.422° | -1.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021 at 21:25 UTC, a magnitude 2.3 earthquake struck 24km W of Ludlow, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:17:16 UTC | 2.3md | 3 km SE of P?hala, Hawaii 19.178°, -155.453° | 37.2 km | - | - | - | Auto | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 3 km SE of P?hala, Hawaii at 21:17 UTC. Coming 13 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:16:35 UTC | 2.2ml | 11 km SSE of Princeton, Canada 49.359°, -120.476° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 11 km SSE of Princeton, Canada at 21:16 UTC on August 2, 2021. 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. | ||||||||
2021-08-02 2021-08-02 21:13:11 UTC | 3.9ml | 47 km ENE of Kodiak, Alaska 57.995°, -151.695° | 14.1 km | 1 | II | - | ✓ Reviewed | USGS → |
On August 2, 2021, worldwide seismic activity registered a magnitude 3.9 earthquake 47 km ENE of Kodiak, Alaska at 21:13 UTC. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 21:05:53 UTC | 2.4md | 11km W of Alder Springs, CA 39.669°, -122.850° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 11km W of Alder Springs, CA on August 2, 2021, with origin time 21:05 UTC. It arrived roughly 3 hours after a larger magnitude 3.7 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 20:53:29 UTC | 4.3mb | Fiji region -17.574°, -177.357° | 647.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021 at 20:53 UTC, a magnitude 4.3 earthquake struck in the Fiji region. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 20:46:17 UTC | 4.0mb | Pulau Pulau Tanimbar, Indonesia -7.215°, 130.055° | 143.6 km | - | - | - | ✓ Reviewed | USGS → |
August 2, 2021 brought a magnitude 4.0 earthquake near Pulau Pulau Tanimbar, Indonesia, logged at 20:46 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 20:40:22 UTC | 2.4ml | 20 km WNW of Stanley, Idaho 44.268°, -115.187° | 17.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 2, 2021 at 20:40 UTC, a magnitude 2.4 earthquake struck 20 km WNW of Stanley, Idaho. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 20:35:04 UTC | 4.5mb | 190 km SW of Sungai Penuh, Indonesia -3.262°, 100.168° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 190 km SW of Sungai Penuh, Indonesia on August 2, 2021 at 20:35 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-02 2021-08-02 20:15:28 UTC | 2.7md | 12km W of Alder Springs, CA 39.666°, -122.867° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 12km W of Alder Springs, CA on August 2, 2021 at 20:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 2 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 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 August 2, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.