Earthquakes on April 5, 2021
345
EARTHQUAKES on April 5, 2021
24-hour UTC period · USGS data
24 km deep · 25 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
36
M3.0–3.9
11
M2.0–2.9
65
M1.0–1.9
227
Activity Summary
345
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.1
194 km NE of Gisborne, New Zealand
07:37 UTC · 24.0 km deep
Felt by 25
5.4
southeast of the Loyalty Islands
01:42 UTC · 97.8 km deep
5.2
east of the South Sandwich Islands
20:31 UTC · 10.0 km deep
5.2
35 km NNW of Samtse, Bhutan
15:19 UTC · 10.0 km deep
Felt by 161
5.0
Kermadec Islands region
19:35 UTC · 10.0 km deep
5.0
Kermadec Islands region
18:41 UTC · 10.0 km deep
4.9
Kermadec Islands, New Zealand
20:26 UTC · 10.0 km deep
4.9
southeast Indian Ridge
20:24 UTC · 10.0 km deep
Earthquake Map — April 5, 2021

All Earthquakes — April 5, 2021
Showing 30 of 118 (filtered from 345)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-05 2021-04-05 23:56:35 UTC | 3.1ml | 58 km WNW of Elfin Cove, Alaska 58.470°, -137.200° | 2.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 58 km WNW of Elfin Cove, Alaska on April 5, 2021 at 23:56 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 23:05:14 UTC | 2.9ml | 25 km WNW of Karluk, Alaska 57.617°, -154.879° | 69.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 25 km WNW of Karluk, Alaska on April 5, 2021, with origin time 23:05 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 22:30:47 UTC | 2.0md | 10km NNW of Pinnacles, CA 36.605°, -121.203° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
April 5, 2021 brought a magnitude 2.0 earthquake 10km NNW of Pinnacles, CA, logged at 22:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 4 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 22:17:49 UTC | 4.5mb | South Shetland Islands -62.898°, -62.291° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near South Shetland Islands on April 5, 2021 at 22:17 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 22:09:01 UTC | 4.6mb | 78 km ESE of Saipan, Northern Mariana Islands 14.997°, 146.449° | 92.0 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 78 km ESE of Saipan, Northern Mariana Islands on April 5, 2021 at 22:09 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 21:38:47 UTC | 2.2ml | 16 km SE of Paisley, Oregon 42.581°, -120.422° | -1.7 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 5, 2021 at 21:38 UTC, a magnitude 2.2 earthquake struck 16 km SE of Paisley, Oregon. 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. | ||||||||
2021-04-05 2021-04-05 21:37:45 UTC | 2.3ml | 0km ENE of Lennox, CA 33.939°, -118.348° | 21.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 0km ENE of Lennox, CA at 21:37 UTC. Coming 10 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 21:27:43 UTC | 4.2mb | 23 km SSE of Vilcún, Chile -38.874°, -72.156° | 85.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 23 km SSE of Vilcún, Chile on April 5, 2021 at 21:27 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 21:24:18 UTC | 2.5ml | 14km WSW of Delta, B.C., MX 32.297°, -115.319° | 27.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021 at 21:24 UTC, a magnitude 2.5 earthquake struck 14km WSW of Delta, B.C., MX. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 1 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 21:21:44 UTC | 4.5mb | Kermadec Islands region -29.490°, -176.877° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 5, 2021 brought a magnitude 4.5 earthquake in the Kermadec Islands region, logged at 21:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 2 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 21:20:44 UTC | 3.0ml | 14km WSW of Delta, B.C., MX 32.324°, -115.333° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021, worldwide seismic activity registered a magnitude 3.0 earthquake 14km WSW of Delta, B.C., MX at 21:20 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:56:43 UTC | 3.0ml | 3 km NNW of Central Valley, Utah 38.730°, -112.106° | 10.3 km | 39 | II | - | ✓ Reviewed | USGS → |
At 20:56 UTC on April 5, 2021, a magnitude 3.0 tremor occurred 3 km NNW of Central Valley, Utah. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:54:13 UTC | 2.1ml | 28 km S of False Pass, Alaska 54.602°, -163.334° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021 at 20:54 UTC, a magnitude 2.1 earthquake struck 28 km S of False Pass, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:35:37 UTC | 3.4md | 51 km NW of San Antonio, Puerto Rico 18.780°, -67.478° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 20:35 UTC on April 5, 2021, a magnitude 3.4 tremor occurred 51 km NW of San Antonio, Puerto Rico. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:34:08 UTC | 2.0md | 3km N of Pinnacles, CA 36.561°, -121.150° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021 at 20:34 UTC, a magnitude 2.0 earthquake struck 3km N of Pinnacles, CA. Coming 2 hours after a magnitude 2.1 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. | ||||||||
2021-04-05 2021-04-05 20:31:51 UTC | 5.2mb | east of the South Sandwich Islands -57.977°, -8.162° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake east of the South Sandwich Islands with origin time 20:31 UTC on April 5, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:27:22 UTC | 3.0md | 27km W of Petrolia, CA 40.314°, -124.606° | 19.1 km | 3 | I | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 27km W of Petrolia, CA at 20:27 UTC on April 5, 2021. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:26:05 UTC | 4.9mb | Kermadec Islands, New Zealand -29.260°, -177.025° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected near Kermadec Islands, New Zealand on April 5, 2021, with origin time 20:26 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:24:31 UTC | 2.3ml | 54 km S of Whites City, New Mexico 31.683°, -104.417° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 54 km S of Whites City, New Mexico on April 5, 2021, with origin time 20:24 UTC. Coming 12 hours after a magnitude 2.5 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. | ||||||||
2021-04-05 2021-04-05 20:24:10 UTC | 4.9mb | southeast Indian Ridge -45.132°, 95.749° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake near southeast Indian Ridge came in on April 5, 2021 at 20:24 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:17:17 UTC | 4.5mb | Kermadec Islands region -29.169°, -176.866° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021 at 20:17 UTC, a magnitude 4.5 earthquake struck in the Kermadec Islands region. Coming 2 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:13:03 UTC | 4.6mb | Chagos Archipelago region -8.071°, 68.352° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake in the Chagos Archipelago region with origin time 20:13 UTC on April 5, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 20:00:26 UTC | 3.5ml | 17 km ENE of Wright, Wyoming 43.811°, -105.288° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.5 earthquake 17 km ENE of Wright, Wyoming with origin time 20:00 UTC on April 5, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 19:35:22 UTC | 5.0mb | Kermadec Islands region -29.501°, -176.870° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:35 UTC on April 5, 2021, a magnitude 5.0 tremor occurred in the Kermadec Islands region. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 19:09:52 UTC | 4.1mb | 16 km W of Kabanjahe, Indonesia 3.118°, 98.346° | 138.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 16 km W of Kabanjahe, Indonesia on April 5, 2021, with origin time 19:09 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 19:00:22 UTC | 2.4ml | 54 km S of Whites City, New Mexico 31.688°, -104.416° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 5, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 54 km S of Whites City, New Mexico at 19:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 18:41:25 UTC | 5.0mb | Kermadec Islands region -29.114°, -176.715° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake in the Kermadec Islands region at 18:41 UTC on April 5, 2021. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 18:14:44 UTC | 2.1md | 10km NW of Pinnacles, CA 36.605°, -121.208° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
April 5, 2021 brought a magnitude 2.1 earthquake 10km NW of Pinnacles, CA, logged at 18:14 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-05 2021-04-05 17:47:48 UTC | 2.1ml | 4 km SSE of P?hala, Hawaii 19.169°, -155.463° | 34.1 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 4 km SSE of P?hala, Hawaii on April 5, 2021 at 17:47 UTC. Coming 13 hours after a magnitude 2.4 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. | ||||||||
2021-04-05 2021-04-05 17:42:47 UTC | 2.9ml | 58 km WNW of Elfin Cove, Alaska 58.477°, -137.182° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 58 km WNW of Elfin Cove, Alaska came in on April 5, 2021 at 17:42 UTC. It arrived roughly 1 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 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 5, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.