Earthquakes on March 12, 2021
306
EARTHQUAKES on March 12, 2021
24-hour UTC period · USGS data
16 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
49
M3.0–3.9
4
M2.0–2.9
56
M1.0–1.9
187
Activity Summary
306
Total earthquakes
~250
Daily average
Elevated
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
southeast of the Loyalty Islands
08:54 UTC · 16.0 km deep
5.8
south of the Fiji Islands
00:03 UTC · 541.0 km deep
5.6
8 km W of Elassóna, Greece
12:57 UTC · 7.0 km deep
Felt by 66
5.5
Papua, Indonesia
01:16 UTC · 12.0 km deep
Felt by 1
5.3
55 km ENE of Lakatoro, Vanuatu
01:03 UTC · 162.3 km deep
5.2
Papua, Indonesia
01:18 UTC · 10.0 km deep
05.1
119 km ESE of Sarangani, Philippines
20:14 UTC · 67.4 km deep
5.1
109 km ENE of Kainantu, Papua New Guinea
14:42 UTC · 53.0 km deep
Felt by 1
Earthquake Map — March 12, 2021
All Earthquakes — March 12, 2021
Showing 30 of 119 (filtered from 306)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-12 2021-03-12 23:59:50 UTC | 4.9mb | Kermadec Islands region -28.659°, -176.528° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021 at 23:59 UTC, a magnitude 4.9 earthquake struck in the Kermadec Islands region. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 23:54:40 UTC | 4.7mb | Kermadec Islands region -29.279°, -176.223° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021 at 23:54 UTC, a magnitude 4.7 earthquake struck in the Kermadec Islands region. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 23:37:34 UTC | 2.3ml | 87 km NNW of Karluk, Alaska 58.305°, -154.984° | 2.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:37 UTC on March 12, 2021, a magnitude 2.3 tremor occurred 87 km NNW of Karluk, Alaska. 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. | ||||||||
2021-03-12 2021-03-12 23:24:06 UTC | 2.0md | 41km NNE of Toms Place, CA 37.914°, -118.556° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 41km NNE of Toms Place, CA at 23:24 UTC on March 12, 2021. It arrived roughly 13 hours after a larger magnitude 2.5 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. | ||||||||
2021-03-12 2021-03-12 23:09:23 UTC | 2.8ml | 93 km SW of Adak, Alaska 51.319°, -177.651° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 93 km SW of Adak, Alaska at 23:09 UTC on March 12, 2021. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 22:50:05 UTC | 4.4mb | Kermadec Islands, New Zealand -29.794°, -177.177° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake near Kermadec Islands, New Zealand at 22:50 UTC on March 12, 2021. Coming 21 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 22:46:20 UTC | 2.2md | 2 km NW of La Parguera, Puerto Rico 17.991°, -67.062° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
March 12, 2021 brought a magnitude 2.2 earthquake 2 km NW of La Parguera, Puerto Rico, logged at 22:46 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 22:31:17 UTC | 4.5mb | 132 km W of Ternate, Indonesia 0.917°, 126.197° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
March 12, 2021 brought a magnitude 4.5 earthquake 132 km W of Ternate, Indonesia, logged at 22:31 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 22:10:40 UTC | 2.5ml | 23 km WSW of McKinley Park, Alaska 63.689°, -149.376° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:10 UTC on March 12, 2021, a magnitude 2.5 tremor occurred 23 km WSW of McKinley Park, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 21:38:38 UTC | 3.5md | 66 km ENE of Punta Cana, Dominican Republic 18.820°, -67.829° | 106.0 km | - | - | - | ✓ Reviewed | USGS → |
March 12, 2021 brought a magnitude 3.5 earthquake 66 km ENE of Punta Cana, Dominican Republic, logged at 21:38 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 21:28:42 UTC | 4.2mb | 8 km ENE of Rostusa, North Macedonia 41.651°, 20.687° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
On March 12, 2021 at 21:28 UTC, a magnitude 4.2 earthquake struck 8 km ENE of Rostusa, North Macedonia. Coming 1 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 21:17:09 UTC | 4.6mb | 10 km E of Rostusa, North Macedonia 41.622°, 20.727° | 10.0 km | 12 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 10 km E of Rostusa, North Macedonia with origin time 21:17 UTC on March 12, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 21:15:04 UTC | 2.3ml | 97 km SSE of Sand Point, Alaska 54.597°, -159.685° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 97 km SSE of Sand Point, Alaska at 21:15 UTC on March 12, 2021. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 21:13:31 UTC | 3.3ml | 10 km NE of Wright, Wyoming 43.811°, -105.397° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 10 km NE of Wright, Wyoming on March 12, 2021 at 21:13 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 20:27:22 UTC | 2.1ml | 3 km E of P?hala, Hawaii 19.198°, -155.442° | 34.4 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 3 km E of P?hala, Hawaii came in on March 12, 2021 at 20:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 20:14:04 UTC | 5.1mb | 119 km ESE of Sarangani, Philippines 4.908°, 126.419° | 67.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.1 event was detected 119 km ESE of Sarangani, Philippines on March 12, 2021, with origin time 20:14 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:58:32 UTC | 2.3ml | 30 km S of Mina, Nevada 38.121°, -118.081° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 30 km S of Mina, Nevada on March 12, 2021, with origin time 19:58 UTC. 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. | ||||||||
2021-03-12 2021-03-12 19:42:21 UTC | 4.1mb | 234 km E of Levuka, Fiji -17.740°, -178.498° | 572.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 234 km E of Levuka, Fiji at 19:42 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:36:38 UTC | 2.0md | 3 km NNW of La Parguera, Puerto Rico 18.009°, -67.056° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021 at 19:36 UTC, a magnitude 2.0 earthquake struck 3 km NNW of La Parguera, Puerto Rico. Coming 11 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:35:46 UTC | 4.0mb | 201 km W of Abepura, Indonesia -2.398°, 138.828° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 201 km W of Abepura, Indonesia came in on March 12, 2021 at 19:35 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:33:11 UTC | 4.4mb | Kermadec Islands region -30.134°, -176.958° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected in the Kermadec Islands region on March 12, 2021, with origin time 19:33 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:17:57 UTC | 4.8mb | Kermadec Islands, New Zealand -29.991°, -177.610° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:17 UTC on March 12, 2021, a magnitude 4.8 tremor occurred near Kermadec Islands, New Zealand. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 19:15:39 UTC | 4.3mb | 273 km NE of Gisborne, New Zealand -37.086°, -179.599° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 273 km NE of Gisborne, New Zealand at 19:15 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 18:57:18 UTC | 4.3mb | 139 km E of Levuka, Fiji -17.968°, -179.369° | 613.2 km | - | - | - | ✓ Reviewed | USGS → |
At 18:57 UTC on March 12, 2021, a magnitude 4.3 tremor occurred 139 km E of Levuka, Fiji. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 18:29:58 UTC | 2.0ml | 75 km S of Sand Point, Alaska 54.655°, -160.485° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 75 km S of Sand Point, Alaska on March 12, 2021 at 18:29 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 18:21:19 UTC | 2.7ml | 3 km S of Mountain Iron, Minnesota 47.505°, -92.631° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 3 km S of Mountain Iron, Minnesota came in on March 12, 2021 at 18:21 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 17:56:53 UTC | 2.0md | 18km NE of Upper Lake, CA 39.272°, -122.752° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 18km NE of Upper Lake, CA with origin time 17:56 UTC on March 12, 2021. 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. | ||||||||
2021-03-12 2021-03-12 17:51:13 UTC | 4.9mb | Kermadec Islands, New Zealand -30.232°, -177.466° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded near Kermadec Islands, New Zealand on March 12, 2021 at 17:51 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-12 2021-03-12 17:48:42 UTC | 2.2md | 7 km S of Tallaboa, Puerto Rico 17.930°, -66.703° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 7 km S of Tallaboa, Puerto Rico on March 12, 2021, with origin time 17:48 UTC. It arrived roughly 2 hours after a larger magnitude 2.6 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. | ||||||||
2021-03-12 2021-03-12 17:32:26 UTC | 2.4ml | 47 km E of Pedro Bay, Alaska 59.840°, -153.267° | 118.5 km | - | - | - | ✓ Reviewed | USGS → |
On March 12, 2021 at 17:32 UTC, a magnitude 2.4 earthquake struck 47 km E of Pedro Bay, Alaska. 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 March 12, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.