Earthquakes on April 12, 2021
196
EARTHQUAKES on April 12, 2021
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
22
M3.0–3.9
8
M2.0–2.9
36
M1.0–1.9
124
Activity Summary
196
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
southeast of the Loyalty Islands
22:44 UTC · 10.0 km deep
5.2
217 km ENE of Port Mathurin, Mauritius
20:43 UTC · 10.0 km deep
5.2
107 km N of Naze, Japan
14:01 UTC · 10.0 km deep
05.2
Kermadec Islands, New Zealand
05:26 UTC · 18.6 km deep
5.2
Volcano Islands, Japan region
03:08 UTC · 160.6 km deep
5.1
133 km NNE of Tobelo, Indonesia
02:26 UTC · 231.1 km deep
4.9
southeast of the Loyalty Islands
14:00 UTC · 10.0 km deep
4.9
42 km S of Kotabumi, Indonesia
01:52 UTC · 105.5 km deep
Earthquake Map — April 12, 2021

All Earthquakes — April 12, 2021
Showing 30 of 72 (filtered from 196)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-12 2021-04-12 22:44:32 UTC | 5.2mww | southeast of the Loyalty Islands -22.743°, 172.169° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 12, 2021 at 22:44 UTC, a magnitude 5.2 earthquake struck southeast of the Loyalty Islands. It is the largest earthquake currently listed for worldwide seismic activity on April 12, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:33:44 UTC | 4.5mb | Pacific-Antarctic Ridge -62.754°, -160.880° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 12, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake near Pacific-Antarctic Ridge at 22:33 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:30:40 UTC | 4.4mb | Pacific-Antarctic Ridge -62.607°, -161.083° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place near Pacific-Antarctic Ridge on April 12, 2021 at 22:30 UTC. It arrived roughly 1 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:28:40 UTC | 4.6mb | central Mid-Atlantic Ridge -1.026°, -22.195° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 12, 2021 at 22:28 UTC, a magnitude 4.6 earthquake struck near central Mid-Atlantic Ridge. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:19:24 UTC | 3.6md | 50 km NW of Rincón, Puerto Rico 18.671°, -67.584° | 4.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 50 km NW of Rincón, Puerto Rico on April 12, 2021 at 22:19 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:05:43 UTC | 2.6ml | 5 km N of Ames, Oklahoma 36.297°, -98.178° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
April 12, 2021 brought a magnitude 2.6 earthquake 5 km N of Ames, Oklahoma, logged at 22:05 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 22:03:27 UTC | 4.6mb | Pacific-Antarctic Ridge -62.668°, -161.297° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded near Pacific-Antarctic Ridge on April 12, 2021 at 22:03 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 21:54:14 UTC | 2.2ml | 22 km NNW of Mina, Nevada 38.569°, -118.234° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 22 km NNW of Mina, Nevada at 21:54 UTC on April 12, 2021. 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. | ||||||||
2021-04-12 2021-04-12 21:06:53 UTC | 2.2ml | 4 km S of P?hala, Hawaii 19.161°, -155.474° | 32.3 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 4 km S of P?hala, Hawaii came in on April 12, 2021 at 21:06 UTC. It arrived roughly 17 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 21:01:12 UTC | 2.1md | 4 km ENE of P?hala, Hawaii 19.212°, -155.437° | 32.8 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 4 km ENE of P?hala, Hawaii on April 12, 2021 at 21:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 17 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 20:51:48 UTC | 2.1md | 10 km ENE of P?hala, Hawaii 19.228°, -155.385° | 30.0 km | - | - | - | Auto | USGS → |
At 20:51 UTC on April 12, 2021, a magnitude 2.1 tremor occurred 10 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 17 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 20:43:18 UTC | 5.2mww | 217 km ENE of Port Mathurin, Mauritius -18.715°, 65.219° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 217 km ENE of Port Mathurin, Mauritius on April 12, 2021 at 20:43 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 20:16:58 UTC | 4.5mb | 81 km W of Abra Pampa, Argentina -22.649°, -66.490° | 219.7 km | - | - | - | ✓ Reviewed | USGS → |
At 20:16 UTC on April 12, 2021, a magnitude 4.5 tremor occurred 81 km W of Abra Pampa, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 20:05:43 UTC | 3.6ml | 22 km ESE of Wright, Wyoming 43.700°, -105.227° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
April 12, 2021 brought a magnitude 3.6 earthquake 22 km ESE of Wright, Wyoming, logged at 20:05 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:56:43 UTC | 2.0md | 2 km SE of P?hala, Hawaii 19.187°, -155.459° | 34.8 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 2 km SE of P?hala, Hawaii on April 12, 2021, with origin time 19:56 UTC. It arrived roughly 16 hours after a larger magnitude 2.2 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. | ||||||||
2021-04-12 2021-04-12 19:33:02 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.677°, -104.385° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 55 km S of Whites City, New Mexico came in on April 12, 2021 at 19:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:31:39 UTC | 2.9ml | 79 km WNW of Karluk, Alaska 57.925°, -155.576° | 101.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 79 km WNW of Karluk, Alaska on April 12, 2021, with origin time 19:31 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:21:32 UTC | 2.0ml | 62 km WNW of Nanwalek, Alaska 59.573°, -152.937° | 93.6 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 62 km WNW of Nanwalek, Alaska on April 12, 2021 at 19:21 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:20:16 UTC | 2.3ml | 53 km S of Whites City, New Mexico 31.689°, -104.392° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 53 km S of Whites City, New Mexico on April 12, 2021, with origin time 19:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:12:12 UTC | 4.4mb | Kermadec Islands region -28.622°, -177.574° | 20.4 km | - | - | - | ✓ Reviewed | USGS → |
April 12, 2021 brought a magnitude 4.4 earthquake in the Kermadec Islands region, logged at 19:12 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:11:20 UTC | 2.2ml | 11 km E of Point Possession, Alaska 60.917°, -150.480° | 62.9 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 11 km E of Point Possession, Alaska on April 12, 2021, with origin time 19:11 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 19:07:59 UTC | 3.2ml | 24 km SE of Wright, Wyoming 43.598°, -105.268° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:07 UTC on April 12, 2021, a magnitude 3.2 tremor occurred 24 km SE of Wright, Wyoming. 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. | ||||||||
2021-04-12 2021-04-12 18:08:27 UTC | 4.3mb | 33 km E of Sinjai, Indonesia -5.096°, 120.556° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 33 km E of Sinjai, Indonesia with origin time 18:08 UTC on April 12, 2021. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 18:06:43 UTC | 2.0ml | 56 km S of Whites City, NM 31.672°, -104.341° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
April 12, 2021 brought a magnitude 2.0 earthquake 56 km S of Whites City, NM, logged at 18:06 UTC. It arrived roughly 1 hours after a larger magnitude 2.7 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. | ||||||||
2021-04-12 2021-04-12 17:59:58 UTC | 2.7ml | 55 km S of Whites City, New Mexico 31.675°, -104.390° | 7.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 55 km S of Whites City, New Mexico came in on April 12, 2021 at 17:59 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 17:55:55 UTC | 4.6mb | 150 km SW of Merizo Village, Guam 12.331°, 143.657° | 23.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 150 km SW of Merizo Village, Guam with origin time 17:55 UTC on April 12, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 17:55:10 UTC | 2.0ml | western Texas 31.671°, -104.386° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On April 12, 2021 at 17:55 UTC, a magnitude 2.0 earthquake struck near western Texas. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 6 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 17:46:09 UTC | 2.1ml | 55 km S of Whites City, New Mexico 31.683°, -104.303° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
April 12, 2021 brought a magnitude 2.1 earthquake 55 km S of Whites City, New Mexico, logged at 17:46 UTC. Coming 6 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 17:38:02 UTC | 4.5mb | Reykjanes Ridge 55.026°, -35.035° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near Reykjanes Ridge at 17:38 UTC on April 12, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-12 2021-04-12 17:35:23 UTC | 4.2mb | 7 km NNE of Mabua, Philippines 9.870°, 125.469° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 12, 2021, worldwide seismic activity registered a magnitude 4.2 earthquake 7 km NNE of Mabua, Philippines at 17:35 UTC. See the M4.2 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 12, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.