Earthquakes on May 28, 2020
500
EARTHQUAKES on May 28, 2020
24-hour UTC period · USGS data
LARGEST: M6.0 — 111 km SSE of ‘Ohonua, Tonga
10 km deep · 3 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
25
M3.0–3.9
20
M2.0–2.9
88
M1.0–1.9
362
Activity Summary
500
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
6.0
111 km SSE of ‘Ohonua, Tonga
07:18 UTC · 10.0 km deep
Felt by 3
5.8
Kermadec Islands region
09:46 UTC · 10.0 km deep
5.1
6 km ESE of San Fernando, Philippines
05:17 UTC · 77.5 km deep
Felt by 41
5.0
South Sandwich Islands region
08:37 UTC · 61.5 km deep
5.0
181 km SSW of Gizo, Solomon Islands
07:41 UTC · 10.0 km deep
4.9
8 km WNW of Ambunti, Papua New Guinea
12:20 UTC · 63.6 km deep
Felt by 1
4.7
northern Mid-Atlantic Ridge
23:47 UTC · 10.0 km deep
4.7
51 km SSW of Lithakiá, Greece
13:05 UTC · 10.0 km deep
Earthquake Map — May 28, 2020
All Earthquakes — May 28, 2020
Showing 30 of 138 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-05-28 2020-05-28 23:59:44 UTC | 3.4ml | 17 km WNW of Chignik Lake, Alaska 56.297°, -159.034° | 12.6 km | - | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 17 km WNW of Chignik Lake, Alaska came in on May 28, 2020 at 23:59 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:47:08 UTC | 4.7mb | northern Mid-Atlantic Ridge 28.663°, -43.754° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected near northern Mid-Atlantic Ridge on May 28, 2020, with origin time 23:47 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:42:49 UTC | 4.5mb | 10 km NE of Otofuke, Japan 43.061°, 143.285° | 108.4 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake 10 km NE of Otofuke, Japan at 23:42 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:41:49 UTC | 2.1ml | 7 km NNE of Healy, Alaska 63.926°, -148.932° | 0.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 7 km NNE of Healy, Alaska on May 28, 2020 at 23:41 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. | ||||||||
2020-05-28 2020-05-28 23:37:30 UTC | 3.4ml | Rat Islands, Aleutian Islands, Alaska 51.745°, 178.311° | 116.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place near Rat Islands, Aleutian Islands, Alaska on May 28, 2020 at 23:37 UTC. Coming 16 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:32:46 UTC | 2.6md | 20 km S of Guánica, Puerto Rico 17.792°, -66.886° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 20 km S of Guánica, Puerto Rico on May 28, 2020 at 23:32 UTC. Coming 1 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:16:31 UTC | 3.0md | 0 km ENE of Indios, Puerto Rico 17.997°, -66.814° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020 at 23:16 UTC, a magnitude 3.0 earthquake struck 0 km ENE of Indios, Puerto Rico. Coming 6 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:09:04 UTC | 3.3md | 3 km SSW of Indios, Puerto Rico 17.962°, -66.830° | 14.0 km | 2 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 3 km SSW of Indios, Puerto Rico on May 28, 2020 at 23:09 UTC. Coming 6 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 23:04:58 UTC | 2.0ml | 30 km SSE of Mina, Nevada 38.135°, -117.978° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 30 km SSE of Mina, Nevada on May 28, 2020 at 23:04 UTC. Coming 15 hours after a magnitude 3.8 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. | ||||||||
2020-05-28 2020-05-28 23:01:43 UTC | 2.2ml | Rat Islands, Aleutian Islands, Alaska 52.007°, 178.274° | 0.8 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2020 brought a magnitude 2.2 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 23:01 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. | ||||||||
2020-05-28 2020-05-28 23:00:33 UTC | 4.6mb | Carlsberg Ridge -0.605°, 67.385° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Carlsberg Ridge on May 28, 2020 at 23:00 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:30:36 UTC | 2.5ml | 62 km E of Port Alsworth, Alaska 60.232°, -153.194° | 137.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 62 km E of Port Alsworth, Alaska with origin time 22:30 UTC on May 28, 2020. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:24:34 UTC | 2.2ml | 13 km SE of Tyonek, Alaska 60.993°, -150.952° | 49.4 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 13 km SE of Tyonek, Alaska at 22:24 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:22:20 UTC | 2.9ml | 18 km N of Dutch Harbor, Alaska 54.060°, -166.543° | 137.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 18 km N of Dutch Harbor, Alaska with origin time 22:22 UTC on May 28, 2020. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:20:49 UTC | 2.2ml | 9 km E of P?hala, Hawaii 19.215°, -155.393° | 30.8 km | - | - | - | Auto | USGS → |
On May 28, 2020 at 22:20 UTC, a magnitude 2.2 earthquake struck 9 km E of P?hala, Hawaii. Coming 19 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:01:04 UTC | 2.7ml | 45 km SE of Pedro Bay, Alaska 59.453°, -153.630° | 121.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:01 UTC on May 28, 2020, a magnitude 2.7 tremor occurred 45 km SE of Pedro Bay, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 22:00:15 UTC | 2.1ml | 11 km SW of Colfax, Washington 46.799°, -117.457° | -1.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 11 km SW of Colfax, Washington on May 28, 2020, with origin time 22:00 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. | ||||||||
2020-05-28 2020-05-28 21:26:39 UTC | 2.7ml | 31 km WNW of Stanley, Idaho 44.364°, -115.271° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 31 km WNW of Stanley, Idaho at 21:26 UTC on May 28, 2020. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 21:07:51 UTC | 2.3md | 6 km SSW of Indios, Puerto Rico 17.938°, -66.835° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 6 km SSW of Indios, Puerto Rico on May 28, 2020 at 21:07 UTC. It arrived roughly 4 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 20:44:31 UTC | 3.0ml | 28 km S of Mina, Nevada 38.135°, -118.064° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 28 km S of Mina, Nevada on May 28, 2020 at 20:44 UTC. It arrived roughly 12 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 20:02:25 UTC | 3.5ml | 17 km E of Wright, Wyoming 43.756°, -105.279° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 17 km E of Wright, Wyoming at 20:02 UTC on May 28, 2020. 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. | ||||||||
2020-05-28 2020-05-28 20:01:27 UTC | 4.1mb | 115 km WNW of Naha, Japan 26.637°, 126.628° | 89.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 115 km WNW of Naha, Japan at 20:01 UTC on May 28, 2020. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:51:48 UTC | 2.5ml | 35 km ESE of Mina, Nevada 38.227°, -117.761° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 35 km ESE of Mina, Nevada at 19:51 UTC. Coming 8 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:48:34 UTC | 2.6md | 3 km SSE of Indios, Puerto Rico 17.964°, -66.805° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 3 km SSE of Indios, Puerto Rico at 19:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 3 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:37:28 UTC | 3.0md | 3 km S of Tallaboa, Puerto Rico 17.968°, -66.720° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 3 km S of Tallaboa, Puerto Rico on May 28, 2020 at 19:37 UTC. It arrived roughly 2 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:34:23 UTC | 4.0mb | 8 km S of Lugu, Taiwan 23.666°, 120.746° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2020 brought a magnitude 4.0 earthquake 8 km S of Lugu, Taiwan, logged at 19:34 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:21:05 UTC | 2.6md | 2 km SE of La Parguera, Puerto Rico 17.960°, -67.026° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 19:21 UTC on May 28, 2020, a magnitude 2.6 tremor occurred 2 km SE of La Parguera, Puerto Rico. Coming 5 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:19:13 UTC | 3.5mw | 16km NW of Pinnacles, CA 36.640°, -121.263° | 9.2 km | 319 | IV | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 16km NW of Pinnacles, CA on May 28, 2020, with origin time 19:19 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 M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:12:56 UTC | 2.8ml | 29 km S of Adak, Alaska 51.607°, -176.650° | 67.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 29 km S of Adak, Alaska on May 28, 2020 at 19:12 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-05-28 2020-05-28 19:09:05 UTC | 4.2mb | 99 km SSW of Champerico, Guatemala 13.499°, -92.351° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake 99 km SSW of Champerico, Guatemala at 19:09 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 May 28, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.