Earthquakes on April 20, 2026: 323 Worldwide, Largest M7.4

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-04-20 2026-04-20 23:44:55 UTC	2.4ml	13 km SSW of La Quinta, CA 33.555°, -116.374°	11.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.4 seismic event took place 13 km SSW of La Quinta, CA on April 20, 2026 at 23:44 UTC. The event originated approximately 11.5 km below the surface, classifying it as shallow crustal. Geolocation places the event at 33.555°N, -116.374°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 23:36:58 UTC	3.1md	92 km NNE of San Juan, Puerto Rico 19.272°, -65.856°	25.9 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.1 earthquake 92 km NNE of San Juan, Puerto Rico with origin time 23:36 UTC on April 20, 2026. The event originated approximately 25.9 km below the surface, classifying it as shallow crustal. Geolocation places the event at 19.272°N, -65.856°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 23:36:51 UTC	4.1mb	101 km E of Yamada, Japan 39.408°, 143.125°	35.0 km	-	-	-	✓ Reviewed	USGS →
April 20, 2026 brought a magnitude 4.1 earthquake 101 km E of Yamada, Japan, logged at 23:36 UTC. Coming 15 hours after a magnitude 5.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 35.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 39.408°, 143.125°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 23:26:41 UTC	4.3mb	77 km SW of Paracas, Peru -14.439°, -76.682°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected 77 km SW of Paracas, Peru on April 20, 2026, with origin time 23:26 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at -14.439°N, -76.682°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:55:19 UTC	2.5md	22 km WSW of Petrolia, CA 40.280°, -124.534°	19.2 km	-	-	-	✓ Reviewed	USGS →
On April 20, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 22 km WSW of Petrolia, CA at 22:55 UTC. At a depth of 19.2 km, the event was shallow crustal. Coordinates: 40.280°, -124.534°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:54:08 UTC	4.2mb	south of the Kermadec Islands -33.950°, -179.728°	10.0 km	-	-	-	✓ Reviewed	USGS →
On April 20, 2026 at 22:54 UTC, a magnitude 4.2 earthquake struck south of the Kermadec Islands. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -33.950°, -179.728°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:42:59 UTC	3.3ml	off the coast of Oregon 44.604°, -129.011°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.3 event was detected near off the coast of Oregon on April 20, 2026, with origin time 22:42 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Geolocation places the event at 44.604°N, -129.011°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:25:37 UTC	2.0ml	2 km WSW of Pāhala, Hawaii 19.197°, -155.498°	32.9 km	1	-	-	✓ Reviewed	USGS →
On April 20, 2026 at 22:25 UTC, a magnitude 2.0 earthquake struck 2 km WSW of Pāhala, Hawaii. Coming 6 hours after a magnitude 2.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 32.9 km, placing this in the shallow crustal category. Coordinates: 19.197°, -155.498°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:11:43 UTC	4.9mb	south of the Kermadec Islands -32.422°, -178.465°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 22:11 UTC on April 20, 2026, a magnitude 4.9 tremor occurred south of the Kermadec Islands. Coming 15 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -32.422°, -178.465°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 22:06:08 UTC	4.1mb	152 km E of Miyako, Japan 39.730°, 143.716°	10.0 km	-	-	-	✓ Reviewed	USGS →
On April 20, 2026 at 22:06 UTC, a magnitude 4.1 earthquake struck 152 km E of Miyako, Japan. It arrived roughly 14 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 39.730°, 143.716°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:59:56 UTC	4.5mb	off the coast of Ecuador 1.160°, -85.349°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake near off the coast of Ecuador came in on April 20, 2026 at 21:59 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 1.160°, -85.349°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:57:25 UTC	3.2ml	33 km SE of Johannesburg, CA 35.178°, -117.367°	5.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.2 earthquake was recorded 33 km SE of Johannesburg, CA on April 20, 2026 at 21:57 UTC. At a depth of 5.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 35.178°, -117.367°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:50:34 UTC	4.2mb	101 km ENE of Miyako, Japan 39.961°, 143.056°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 101 km ENE of Miyako, Japan on April 20, 2026 at 21:50 UTC. It arrived roughly 14 hours after a larger magnitude 7.4 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 35.0 km depth. The epicenter is at 39.961°, 143.056°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:47:38 UTC	3.9mb	229 km ESE of Attu Station, Alaska 52.345°, 176.476°	12.4 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.9 seismic event took place 229 km ESE of Attu Station, Alaska on April 20, 2026 at 21:47 UTC. Coming 6 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 12.4 km, placing this in the shallow crustal category. Coordinates: 52.345°, 176.476°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:45:25 UTC	4.1mb	229 km SSE of Amahai, Indonesia -5.255°, 129.723°	213.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 earthquake was recorded 229 km SSE of Amahai, Indonesia on April 20, 2026 at 21:45 UTC. At a depth of 213.9 km, the event was intermediate depth. Geolocation places the event at -5.255°N, 129.723°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:32:49 UTC	2.2ml	80 km SSE of King Cove, Alaska 54.386°, -161.855°	13.9 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.2 earthquake 80 km SSE of King Cove, Alaska with origin time 21:32 UTC on April 20, 2026. The event originated approximately 13.9 km below the surface, classifying it as shallow crustal. Coordinates: 54.386°, -161.855°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:25:54 UTC	4.4mb	149 km SW of Tual, Indonesia -6.720°, 131.962°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 21:25 UTC on April 20, 2026, a magnitude 4.4 tremor occurred 149 km SW of Tual, Indonesia. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at -6.720°N, 131.962°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:16:10 UTC	4.4mb	238 km N of Gorontalo, Indonesia 2.687°, 122.941°	487.4 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.4 earthquake 238 km N of Gorontalo, Indonesia at 21:16 UTC on April 20, 2026. At 487.4 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 2.687°, 122.941°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:13:04 UTC	4.2mb	68 km E of Noda, Japan 39.990°, 142.600°	35.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 68 km E of Noda, Japan with origin time 21:13 UTC on April 20, 2026. The hypocenter lay at 35.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 39.990°N, 142.600°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 21:07:20 UTC	4.5mb	29 km SE of Nagtipunan, Philippines 16.046°, 121.816°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 seismic event took place 29 km SE of Nagtipunan, Philippines on April 20, 2026 at 21:07 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 16.046°N, 121.816°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 20:40:25 UTC	2.1ml	17 km SE of Silver Springs, Nevada 39.322°, -119.060°	7.0 km	1	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake 17 km SE of Silver Springs, Nevada came in on April 20, 2026 at 20:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 7 hours earlier. A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 7.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 39.322°N, -119.060°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 20:39:19 UTC	3.3ml	186 km SE of Perryville, Alaska 54.792°, -156.947°	35.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.3 earthquake 186 km SE of Perryville, Alaska came in on April 20, 2026 at 20:39 UTC. At a depth of 35.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 54.792°, -156.947°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 20:31:56 UTC	2.6md	75 km W of Petrolia, CA 40.304°, -125.166°	0.2 km	-	-	-	✓ Reviewed	USGS →
At 20:31 UTC on April 20, 2026, a magnitude 2.6 tremor occurred 75 km W of Petrolia, CA. Coming 7 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 0.2 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 40.304°, -125.166°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 20:05:11 UTC	2.2ml	59 km S of Whites City, New Mexico 31.644°, -104.424°	6.9 km	-	-	-	✓ Reviewed	USGS →
On April 20, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 59 km S of Whites City, New Mexico at 20:05 UTC. It arrived roughly 2 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 6.9 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 31.644°, -104.424°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 19:22:46 UTC	2.5ml	86 km SE of Akutan, Alaska 53.602°, -164.808°	35.0 km	-	-	-	✓ Reviewed	USGS →
April 20, 2026 brought a magnitude 2.5 earthquake 86 km SE of Akutan, Alaska, logged at 19:22 UTC. At a depth of 35.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 53.602°N, -164.808°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 19:10:21 UTC	4.4mb	108 km SE of Severo-Kuril’sk, Russia 49.943°, 157.126°	35.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.4 event was detected 108 km SE of Severo-Kuril’sk, Russia on April 20, 2026, with origin time 19:10 UTC. The hypocenter lay at 35.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 49.943°, 157.126°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 18:47:05 UTC	5.3mb	172 km WNW of Abepura, Indonesia -2.234°, 139.121°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 5.3 event was detected 172 km WNW of Abepura, Indonesia on April 20, 2026, with origin time 18:47 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at -2.234°, 139.121°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 18:02:32 UTC	2.5md	6 km NW of Tioga, West Virginia 38.464°, -80.698°	11.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.5 earthquake 6 km NW of Tioga, West Virginia with origin time 18:02 UTC on April 20, 2026. The hypocenter lay at 11.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 38.464°N, -80.698°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 17:39:03 UTC	2.2ml	19 km S of Lincoln, Montana 46.784°, -112.655°	0.1 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.2 event was detected 19 km S of Lincoln, Montana on April 20, 2026, with origin time 17:39 UTC. At a depth of just 0.1 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 46.784°, -112.655°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-20 2026-04-20 17:38:19 UTC	3.0ml	60 km S of Whites City, New Mexico 31.634°, -104.439°	6.4 km	-	-	-	✓ Reviewed	USGS →
At 17:38 UTC on April 20, 2026, a magnitude 3.0 tremor occurred 60 km S of Whites City, New Mexico. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The hypocenter lay at 6.4 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 31.634°, -104.439°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 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 20, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.

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