Earthquakes on April 28, 2022
271
EARTHQUAKES on April 28, 2022
24-hour UTC period · USGS data
10 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
34
M3.0–3.9
13
M2.0–2.9
70
M1.0–1.9
151
Activity Summary
271
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
175 km NE of Madang, Papua New Guinea
13:21 UTC · 10.0 km deep
Felt by 1
5.4
119 km E of Chignik, Alaska
03:33 UTC · 52.3 km deep
Felt by 8
5.0
15 km NNE of Pilar, Philippines
11:42 UTC · 58.5 km deep
Felt by 1
4.9
182 km NE of Madang, Papua New Guinea
12:54 UTC · 10.0 km deep
4.8
119 km SSE of Amahai, Indonesia
00:01 UTC · 155.0 km deep
4.7
170 km SSE of Praya, Indonesia
23:15 UTC · 35.0 km deep
4.7
91 km E of Mutsu, Japan
10:03 UTC · 58.4 km deep
Felt by 4
4.6
35 km SSW of Shimo-furano, Japan
01:23 UTC · 150.6 km deep
Felt by 4
Earthquake Map — April 28, 2022
All Earthquakes — April 28, 2022
Showing 30 of 120 (filtered from 271)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-04-28 2022-04-28 23:34:27 UTC | 4.0mb | 179 km NNE of Baukau, Timor Leste -6.886°, 126.792° | 421.1 km | - | - | - | ✓ Reviewed | USGS → |
At 23:34 UTC on April 28, 2022, a magnitude 4.0 tremor occurred 179 km NNE of Baukau, Timor Leste. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 23:15:47 UTC | 4.7mb | 170 km SSE of Praya, Indonesia -10.185°, 116.705° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 170 km SSE of Praya, Indonesia at 23:15 UTC on April 28, 2022. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 23:05:33 UTC | 2.7md | 2 km ENE of Magas Arriba, Puerto Rico 18.023°, -66.747° | 16.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 2 km ENE of Magas Arriba, Puerto Rico on April 28, 2022 at 23:05 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 22:48:08 UTC | 2.9ml | 51 km NW of Toyah, Texas 31.595°, -104.222° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 51 km NW of Toyah, Texas on April 28, 2022 at 22:48 UTC. It arrived roughly 21 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 22:43:11 UTC | 2.0ml | 37 km NNW of Toyah, Texas 31.608°, -103.992° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 37 km NNW of Toyah, Texas on April 28, 2022 at 22:43 UTC. It arrived roughly 6 hours after a larger magnitude 4.0 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. | ||||||||
2022-04-28 2022-04-28 22:42:17 UTC | 2.1ml | 27 km W of Anchor Point, Alaska 59.821°, -152.308° | 83.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 27 km W of Anchor Point, Alaska on April 28, 2022 at 22:42 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 22:29:25 UTC | 4.5mb | 39 km SSE of Cayarani, Peru -15.013°, -71.912° | 121.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 39 km SSE of Cayarani, Peru on April 28, 2022 at 22:29 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 21:48:55 UTC | 2.2ml | western Texas 31.599°, -103.989° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded near western Texas on April 28, 2022 at 21:48 UTC. It arrived roughly 5 hours after a larger magnitude 4.0 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. | ||||||||
2022-04-28 2022-04-28 21:44:29 UTC | 2.5md | 2 km ENE of Magas Arriba, Puerto Rico 18.029°, -66.744° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022, worldwide seismic activity registered a magnitude 2.5 earthquake 2 km ENE of Magas Arriba, Puerto Rico at 21:44 UTC. It arrived roughly 2 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 21:25:56 UTC | 2.3ml | 28 km W of Elfin Cove, Alaska 58.206°, -136.832° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:25 UTC on April 28, 2022, a magnitude 2.3 tremor occurred 28 km W of Elfin Cove, Alaska. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 21:24:46 UTC | 2.2ml | 20 km WNW of Stanley, Idaho 44.277°, -115.178° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 20 km WNW of Stanley, Idaho came in on April 28, 2022 at 21:24 UTC. It arrived roughly 21 hours after a larger magnitude 2.2 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. | ||||||||
2022-04-28 2022-04-28 21:08:15 UTC | 2.0ml | 23 km E of Denali National Park, Alaska 63.517°, -151.249° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
April 28, 2022 brought a magnitude 2.0 earthquake 23 km E of Denali National Park, Alaska, logged at 21:08 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 20:01:07 UTC | 3.2ml | 194 km WSW of Nikolski, Alaska 52.023°, -171.297° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022, worldwide seismic activity registered a magnitude 3.2 earthquake 194 km WSW of Nikolski, Alaska at 20:01 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:48:53 UTC | 2.0ml | 93 km NNW of Rachel, Nevada 38.401°, -116.202° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022 at 19:48 UTC, a magnitude 2.0 earthquake struck 93 km NNW of Rachel, Nevada. 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. | ||||||||
2022-04-28 2022-04-28 19:42:33 UTC | 2.1md | 5 km NNW of Sabana Grande, Puerto Rico 18.119°, -66.984° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
At 19:42 UTC on April 28, 2022, a magnitude 2.1 tremor occurred 5 km NNW of Sabana Grande, Puerto Rico. Coming 9 hours after a magnitude 2.2 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. | ||||||||
2022-04-28 2022-04-28 19:42:09 UTC | 4.4mb | 94 km E of Shikotan, Russia 43.928°, 147.879° | 67.7 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022, worldwide seismic activity registered a magnitude 4.4 earthquake 94 km E of Shikotan, Russia at 19:42 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:40:32 UTC | 2.2ml | 37 km NNW of Toyah, Texas 31.611°, -103.985° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 37 km NNW of Toyah, Texas with origin time 19:40 UTC on April 28, 2022. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 3 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:26:25 UTC | 2.0ml | 108 km SSE of False Pass, Alaska 53.920°, -162.958° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 108 km SSE of False Pass, Alaska on April 28, 2022 at 19:26 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:24:07 UTC | 2.5md | 5 km SSE of Maria Antonia, Puerto Rico 17.930°, -66.872° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 5 km SSE of Maria Antonia, Puerto Rico on April 28, 2022 at 19:24 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 17 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:14:47 UTC | 2.1ml | 55 km N of Petersville, Alaska 62.990°, -150.778° | 109.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 55 km N of Petersville, Alaska with origin time 19:14 UTC on April 28, 2022. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 19:07:12 UTC | 2.2md | 7km NE of Bonadelle Ranchos-Madera Ranchos, CA 37.020°, -119.814° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 7km NE of Bonadelle Ranchos-Madera Ranchos, CA at 19:07 UTC. 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. | ||||||||
2022-04-28 2022-04-28 18:55:38 UTC | 4.1mb | 47 km W of Ovalle, Chile -30.570°, -71.697° | 27.7 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022 at 18:55 UTC, a magnitude 4.1 earthquake struck 47 km W of Ovalle, Chile. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 18:10:54 UTC | 2.3ml | 36 km NNW of Toyah, Texas 31.594°, -103.989° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 36 km NNW of Toyah, Texas at 18:10 UTC on April 28, 2022. It arrived roughly 1 hours after a larger magnitude 4.0 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 17:43:51 UTC | 4.2mb | 85 km E of Namie, Japan 37.583°, 141.962° | 63.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 85 km E of Namie, Japan on April 28, 2022 at 17:43 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 17:30:13 UTC | 2.1md | 2 km SSW of P?hala, Hawaii 19.182°, -155.489° | 31.4 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 2 km SSW of P?hala, Hawaii on April 28, 2022 at 17:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 3 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 17:16:00 UTC | 2.1ml | 37 km NW of Toyah, Texas 31.595°, -104.014° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2022, worldwide seismic activity registered a magnitude 2.1 earthquake 37 km NW of Toyah, Texas at 17:16 UTC. It arrived roughly 1 hours after a larger magnitude 4.0 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. | ||||||||
2022-04-28 2022-04-28 17:08:58 UTC | 4.0ml | 36 km WSW of Mentone, Texas 31.615°, -103.971° | 8.8 km | - | IV | green | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 36 km WSW of Mentone, Texas at 17:08 UTC on April 28, 2022. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 16:51:20 UTC | 3.7mb | 23 km NNW of Atka, Alaska 52.376°, -174.383° | 102.3 km | - | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 23 km NNW of Atka, Alaska came in on April 28, 2022 at 16:51 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 16:33:55 UTC | 4.5mb | Kuril Islands 46.117°, 152.777° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 28, 2022 brought a magnitude 4.5 earthquake near Kuril Islands, logged at 16:33 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-04-28 2022-04-28 16:18:55 UTC | 2.4md | 7km N of Petrolia, CA 40.388°, -124.273° | 27.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 7km N of Petrolia, CA on April 28, 2022, with origin time 16:18 UTC. The event was offshore. See the M2.4 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 April 28, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.