Earthquakes on July 30, 2020
427
EARTHQUAKES on July 30, 2020
24-hour UTC period · USGS data
LARGEST: M5.8 — Izu Islands, Japan region
14 km deep · 6 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
32
M3.0–3.9
17
M2.0–2.9
83
M1.0–1.9
291
Activity Summary
427
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
Izu Islands, Japan region
00:35 UTC · 14.3 km deep
Felt by 6
5.7
83 km SE of Neiafu, Tonga
19:16 UTC · 10.0 km deep
Felt by 3
5.3
247 km E of Amahai, Indonesia
02:51 UTC · 10.0 km deep
5.0
134 km SSE of Perryville, Alaska
16:08 UTC · 33.9 km deep
Felt by 3
4.9
82 km SW of Mendi, Papua New Guinea
08:48 UTC · 10.0 km deep
4.8
208 km N of Shi Yomi, India
18:38 UTC · 10.0 km deep
4.8
152 km SW of Puerto Madero, Mexico
13:09 UTC · 10.0 km deep
4.8
Falkland Islands region
07:09 UTC · 10.0 km deep
Earthquake Map — July 30, 2020
All Earthquakes — July 30, 2020
Showing 30 of 136 (filtered from 427)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-07-30 2020-07-30 23:36:52 UTC | 2.3ml | 20km ESE of Ridgecrest, CA 35.528°, -117.483° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 20km ESE of Ridgecrest, CA at 23:36 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 23:06:58 UTC | 2.1ml | 90 km S of Perryville, Alaska 55.107°, -158.935° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 90 km S of Perryville, Alaska with origin time 23:06 UTC on July 30, 2020. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 22:57:32 UTC | 2.8md | 3 km SSE of Maria Antonia, Puerto Rico 17.945°, -66.874° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 3 km SSE of Maria Antonia, Puerto Rico on July 30, 2020, with origin time 22:57 UTC. Coming 17 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 22:57:24 UTC | 2.4ml | 136 km SSE of Perryville, Alaska 54.828°, -158.153° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake 136 km SSE of Perryville, Alaska at 22:57 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 7 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 22:55:45 UTC | 2.1ml | 40 km SW of Wales, Alaska 65.335°, -168.655° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 40 km SW of Wales, Alaska at 22:55 UTC. 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. | ||||||||
2020-07-30 2020-07-30 22:44:39 UTC | 3.5mb | 114 km S of False Pass, Alaska 53.830°, -163.263° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 114 km S of False Pass, Alaska on July 30, 2020 at 22:44 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 22:04:57 UTC | 2.3ml | 1km E of Sylmar, CA 34.307°, -118.435° | 7.4 km | 7 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 1km E of Sylmar, CA on July 30, 2020 at 22:04 UTC. It arrived roughly 11 hours after a larger magnitude 4.2 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. | ||||||||
2020-07-30 2020-07-30 20:51:30 UTC | 2.2md | 5 km WSW of Chickamauga, Georgia 34.858°, -85.354° | 11.6 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 5 km WSW of Chickamauga, Georgia at 20:51 UTC on July 30, 2020. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 20:50:42 UTC | 3.6ml | 48 km S of Atka, Alaska 51.759°, -174.288° | 29.9 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2020 brought a magnitude 3.6 earthquake 48 km S of Atka, Alaska, logged at 20:50 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 20:47:35 UTC | 2.6ml | 28 km SSE of Mina, Nevada 38.161°, -117.954° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020 at 20:47 UTC, a magnitude 2.6 earthquake struck 28 km SSE of Mina, Nevada. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 20:19:12 UTC | 2.8md | 3 km S of Guánica, Puerto Rico 17.938°, -66.908° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 3 km S of Guánica, Puerto Rico came in on July 30, 2020 at 20:19 UTC. It arrived roughly 14 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 20:18:48 UTC | 2.2mb_lg | 8 km S of Franklin, Canada 44.957°, -73.924° | 7.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 8 km S of Franklin, Canada on July 30, 2020 at 20:18 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 20:04:01 UTC | 4.5mb | Kepulauan Babar, Indonesia -7.142°, 129.700° | 75.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake near Kepulauan Babar, Indonesia at 20:04 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:51:15 UTC | 2.2ml | 87 km SSW of Sand Point, Alaska 54.649°, -161.154° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2020 brought a magnitude 2.2 earthquake 87 km SSW of Sand Point, Alaska, logged at 19:51 UTC. It arrived roughly 7 hours after a larger magnitude 3.6 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. | ||||||||
2020-07-30 2020-07-30 19:49:41 UTC | 2.0ml | 18km NE of Olancha, CA 36.398°, -117.875° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 18km NE of Olancha, CA on July 30, 2020 at 19:49 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:43:26 UTC | 4.4mb | 75 km S of Sungai Penuh, Indonesia -2.736°, 101.384° | 157.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 75 km S of Sungai Penuh, Indonesia came in on July 30, 2020 at 19:43 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:34:16 UTC | 2.3ml | 10 km NW of Perry, Oklahoma 36.355°, -97.367° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 10 km NW of Perry, Oklahoma on July 30, 2020 at 19:34 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:33:37 UTC | 2.3ml | 79 km SE of King Cove, Alaska 54.647°, -161.313° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 79 km SE of King Cove, Alaska at 19:33 UTC. Coming 8 hours after a magnitude 3.5 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. | ||||||||
2020-07-30 2020-07-30 19:29:29 UTC | 2.3ml | 93 km SSE of Sand Point, Alaska 54.528°, -160.113° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:29 UTC on July 30, 2020, a magnitude 2.3 tremor occurred 93 km SSE of Sand Point, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:28:38 UTC | 4.3mb | 116 km SW of Dali, China 24.991°, 99.253° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020 at 19:28 UTC, a magnitude 4.3 earthquake struck 116 km SW of Dali, China. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 19:16:50 UTC | 5.7mww | 83 km SE of Neiafu, Tonga -19.078°, -173.336° | 10.0 km | 3 | III | green | ✓ Reviewed | USGS → |
A magnitude 5.7 earthquake was recorded 83 km SE of Neiafu, Tonga on July 30, 2020 at 19:16 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 M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:38:38 UTC | 4.8mb | 208 km N of Shi Yomi, India 30.386°, 94.753° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 208 km N of Shi Yomi, India at 18:38 UTC on July 30, 2020. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:28:54 UTC | 2.0md | 4 km NE of P?hala, Hawaii 19.226°, -155.444° | 32.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 4 km NE of P?hala, Hawaii with origin time 18:28 UTC on July 30, 2020. Coming 14 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:25:42 UTC | 4.7mb | Vanuatu region -14.015°, 171.455° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place in the Vanuatu region on July 30, 2020 at 18:25 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:23:52 UTC | 4.2mb | 137 km WSW of Puerto Madero, Mexico 14.220°, -93.593° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake 137 km WSW of Puerto Madero, Mexico at 18:23 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:09:28 UTC | 3.2ml | 19 km SE of Wright, Wyoming 43.613°, -105.338° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 19 km SE of Wright, Wyoming at 18:09 UTC on July 30, 2020. 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. | ||||||||
2020-07-30 2020-07-30 18:08:07 UTC | 2.2ml | Rat Islands, Aleutian Islands, Alaska 51.841°, 178.465° | 107.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020 at 18:08 UTC, a magnitude 2.2 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 18:02:31 UTC | 3.0ml | 88 km ESE of Akutan, Alaska 53.907°, -164.490° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020 at 18:02 UTC, a magnitude 3.0 earthquake struck 88 km ESE of Akutan, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 17:50:47 UTC | 2.9ml | 103 km SSE of King Cove, Alaska 54.232°, -161.586° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 103 km SSE of King Cove, Alaska at 17:50 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-30 2020-07-30 17:49:42 UTC | 2.5md | 3 km SSE of Palomas, Puerto Rico 17.988°, -66.858° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 3 km SSE of Palomas, Puerto Rico on July 30, 2020 at 17:49 UTC. Coming 12 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 30, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.