Earthquakes on April 11, 2021
294
EARTHQUAKES on April 11, 2021
24-hour UTC period · USGS data
LARGEST: M5.1 — Mariana Islands region
14 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
45
M3.0–3.9
8
M2.0–2.9
64
M1.0–1.9
174
Activity Summary
294
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.1
Mariana Islands region
18:57 UTC · 14.4 km deep
5.0
Kermadec Islands region
14:40 UTC · 10.0 km deep
5.0
118 km SW of Bandar Lampung, Indonesia
10:44 UTC · 70.8 km deep
4.9
40 km SSW of Calingasta, Argentina
14:42 UTC · 111.8 km deep
Felt by 1
4.9
173 km SSE of Kokopo, Papua New Guinea
01:21 UTC · 18.5 km deep
4.8
114 km N of Naze, Japan
12:00 UTC · 10.0 km deep
4.7
205 km S of Kokopo, Papua New Guinea
21:38 UTC · 10.0 km deep
4.7
7 km S of Tsukuba, Japan
18:59 UTC · 73.4 km deep
Earthquake Map — April 11, 2021
All Earthquakes — April 11, 2021
Showing 30 of 120 (filtered from 294)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-11 2021-04-11 23:40:44 UTC | 2.0ml | 23 km NNE of Fox River, Alaska 60.058°, -150.813° | 63.2 km | - | - | - | ✓ Reviewed | USGS → |
At 23:40 UTC on April 11, 2021, a magnitude 2.0 tremor occurred 23 km NNE of Fox River, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 23:14:01 UTC | 4.4mb | 247 km E of Levuka, Fiji -17.992°, -178.349° | 610.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 247 km E of Levuka, Fiji came in on April 11, 2021 at 23:14 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 22:57:31 UTC | 2.4md | 7km NW of The Geysers, CA 38.824°, -122.810° | 1.7 km | 5 | - | - | ✓ Reviewed | USGS → |
On April 11, 2021 at 22:57 UTC, a magnitude 2.4 earthquake struck 7km NW of The Geysers, CA. Coming 1 hours after a magnitude 2.6 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 22:20:19 UTC | 2.1ml | 48 km E of Eagle Village, Alaska 64.782°, -140.098° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 11, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 48 km E of Eagle Village, Alaska at 22:20 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. | ||||||||
2021-04-11 2021-04-11 22:03:29 UTC | 2.6md | 7km NW of The Geysers, CA 38.826°, -122.814° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 7km NW of The Geysers, CA on April 11, 2021 at 22:03 UTC. In the 72 hours after this event, the USGS recorded 4 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. | ||||||||
2021-04-11 2021-04-11 22:01:53 UTC | 4.4mb | South Sandwich Islands region -56.436°, -26.773° | 101.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place in the South Sandwich Islands region on April 11, 2021 at 22:01 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:51:36 UTC | 2.3ml | 103 km SSE of Sand Point, Alaska 54.493°, -159.811° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
April 11, 2021 brought a magnitude 2.3 earthquake 103 km SSE of Sand Point, Alaska, logged at 21:51 UTC. Coming 15 hours after a magnitude 4.4 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. | ||||||||
2021-04-11 2021-04-11 21:40:37 UTC | 4.3mb | 18 km ESE of Iray, Peru -15.931°, -72.469° | 114.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 18 km ESE of Iray, Peru came in on April 11, 2021 at 21:40 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:38:52 UTC | 4.6mb | 127 km NW of Sola, Vanuatu -12.996°, 166.789° | 104.1 km | - | - | - | ✓ Reviewed | USGS → |
At 21:38 UTC on April 11, 2021, a magnitude 4.6 tremor occurred 127 km NW of Sola, Vanuatu. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:38:04 UTC | 4.7mb | 205 km S of Kokopo, Papua New Guinea -6.170°, 151.911° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 205 km S of Kokopo, Papua New Guinea on April 11, 2021, with origin time 21:38 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:37:55 UTC | 2.4md | 1 km SSW of Guánica, Puerto Rico 17.961°, -66.912° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 1 km SSW of Guánica, Puerto Rico on April 11, 2021 at 21:37 UTC. It arrived roughly 15 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:35:48 UTC | 4.6mb | 265 km W of Haveluloto, Tonga -21.161°, -177.774° | 436.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 265 km W of Haveluloto, Tonga at 21:35 UTC on April 11, 2021. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:27:32 UTC | 3.1ml | 113 km SSE of Sand Point, Alaska 54.410°, -159.761° | 18.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:27 UTC on April 11, 2021, a magnitude 3.1 tremor occurred 113 km SSE of Sand Point, Alaska. It arrived roughly 14 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 21:15:02 UTC | 2.2ml | 7 km S of Princeton, Canada 49.389°, -120.514° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 7 km S of Princeton, Canada came in on April 11, 2021 at 21:15 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. | ||||||||
2021-04-11 2021-04-11 21:10:38 UTC | 2.0md | 9km ENE of Milpitas, CA 37.466°, -121.817° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 9km ENE of Milpitas, CA on April 11, 2021 at 21:10 UTC. It arrived roughly 12 hours after a larger magnitude 2.3 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. | ||||||||
2021-04-11 2021-04-11 19:08:55 UTC | 2.4ml | 30 km SSE of Wright, Wyoming 43.491°, -105.371° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 30 km SSE of Wright, Wyoming with origin time 19:08 UTC on April 11, 2021. 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. | ||||||||
2021-04-11 2021-04-11 19:03:37 UTC | 4.5mb | 196 km SW of Bengkulu, Indonesia -5.108°, 101.072° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 196 km SW of Bengkulu, Indonesia on April 11, 2021 at 19:03 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:59:30 UTC | 4.7mb | 7 km S of Tsukuba, Japan 36.137°, 140.088° | 73.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 7 km S of Tsukuba, Japan came in on April 11, 2021 at 18:59 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:57:59 UTC | 5.1mww | Mariana Islands region 18.013°, 147.149° | 14.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 11, 2021 at 18:57 UTC, a magnitude 5.1 earthquake struck in the Mariana Islands region. It is the largest earthquake currently listed for worldwide seismic activity on April 11, 2021. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:27:57 UTC | 2.0ml | 58 km S of Whites City, New Mexico 31.655°, -104.470° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 58 km S of Whites City, New Mexico at 18:27 UTC on April 11, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:19:16 UTC | 4.5mb | near the coast of Chiapas, Mexico 14.966°, -92.493° | 99.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake near near the coast of Chiapas, Mexico with origin time 18:19 UTC on April 11, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:12:30 UTC | 4.4mb | 112 km SW of La Esperanza (El Zapotal), Mexico 14.673°, -93.833° | 28.9 km | - | - | - | ✓ Reviewed | USGS → |
April 11, 2021 brought a magnitude 4.4 earthquake 112 km SW of La Esperanza (El Zapotal), Mexico, logged at 18:12 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:08:49 UTC | 4.7mb | Mariana Islands region 17.980°, 147.021° | 52.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place in the Mariana Islands region on April 11, 2021 at 18:08 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 18:00:23 UTC | 2.5ml | 109 km SSE of Sand Point, Alaska 54.421°, -159.883° | 20.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 109 km SSE of Sand Point, Alaska at 18:00 UTC on April 11, 2021. It arrived roughly 11 hours after a larger magnitude 4.4 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. | ||||||||
2021-04-11 2021-04-11 17:54:37 UTC | 4.7mb | Mariana Islands region 18.003°, 147.020° | 46.0 km | - | - | - | ✓ Reviewed | USGS → |
April 11, 2021 brought a magnitude 4.7 earthquake in the Mariana Islands region, logged at 17:54 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 17:45:09 UTC | 2.0ml | 40 km W of Kalifornsky, Alaska 60.466°, -152.025° | 83.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 40 km W of Kalifornsky, Alaska on April 11, 2021, with origin time 17:45 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 17:13:35 UTC | 4.6mb | Kermadec Islands, New Zealand -29.972°, -177.516° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected near Kermadec Islands, New Zealand on April 11, 2021, with origin time 17:13 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 16:59:57 UTC | 2.0md | 11 km E of P?hala, Hawaii 19.206°, -155.368° | 32.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.0 earthquake 11 km E of P?hala, Hawaii came in on April 11, 2021 at 16:59 UTC. It arrived roughly 11 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 16:44:15 UTC | 2.1ml | 3 km NNE of Quinton, Oklahoma 35.152°, -95.354° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 11, 2021 at 16:44 UTC, a magnitude 2.1 earthquake struck 3 km NNE of Quinton, Oklahoma. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-11 2021-04-11 16:41:41 UTC | 4.3mb | 62 km WNW of Yonakuni, Japan 24.712°, 122.440° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 62 km WNW of Yonakuni, Japan on April 11, 2021 at 16:41 UTC. See the M4.3 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 11, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.