Earthquake with magnitude of Mwp 5.5 on date 21-08-2022 and time 15:28:19 (UTC) in region Reykjanes Ridge [Sea]

A magnitude Mwp 5.5 earthquake occured in region: Reykjanes Ridge [Sea], on

  • 21-08-2022 15:28:19 (UTC)
  • 21-08-2022 17:28:19 (UTC +02:00) Italian time
  • 21-08-2022 15:28:19 (UTC +00:00) local time in the region of the earthquake (Atlantic/Reykjavik)

and geographic coordinates (lat, lon) 60.6730, -28.7630 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.0
Mwp 5.5

Mwpd 5.6
2022-08-21
15:28:19
60.6727 -28.763 20 2022-08-21
15:45:42
Sala Sismica INGV-Roma 108795331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-21 15:28:19
Latitude 60.6727
Longitude -28.7630
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 108795331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13896
Semi-minor axis of confidence ellipse (meter) 12859
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 15244.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66.9591
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.61686
Epicentral distance of station closest to the epicenter (degree) 5.30590
Epicentral distance of station farthest from the epicenter (degree) 86.30390
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 45
Magnitudes information

Mwpd:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 10
Type of magnitude Mwpd
Reference to an origin 108795331
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-21 15:45:42

Mwp:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 11
Type of magnitude Mwp
Reference to an origin 108795331
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-21 15:45:42

mb:5.0

Field Value
Value 5.0
Uncertainty 0.2
Num. used stations 40
Type of magnitude mb
Reference to an origin 108795331
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-21 15:45:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
US.CBN.BHZ.00 2022-08-21T15:41:36.05 10.0 negative automatic ScP 256 37.4671 3.118 0
CX.MNMCX.BHZ. 2022-08-21T15:40:55.05 10.0 positive automatic P 218 86.3039 -3.47639 0
II.PFO.BHZ.00 2022-08-21T15:38:24.19 10.0 positive automatic P 286 60.0618 0.727133 0.405665
GT.DBIC.BHZ.00 2022-08-21T15:37:57.73 10.0 negative automatic P 151 56.9035 -3.51184 0.436106
US.ELK.BHZ.00 2022-08-21T15:37:40.43 10.0 negative automatic P 290 53.7092 1.84696 0.494532
GE.EIL.BHZ. 2022-08-21T15:37:22.75 10.0 negative automatic P 97 51.6794 -0.463693 0.248786
US.BMO.BHZ.00 2022-08-21T15:37:21.88 10.0 negative automatic P 295 51.4093 0.51585 0.530831
US.HWUT.BHZ.00 2022-08-21T15:37:21.55 10.0 positive automatic P 288 51.3302 0.667991 0.532103
US.WMOK.BHZ.00 2022-08-21T15:37:15.10 10.0 negative automatic P 273 50.6268 -0.263739 0.531123
GE.MSBI.BHZ. 2022-08-21T15:37:14.95 10.0 positive automatic P 95 50.5226 0.496766 0.55815
US.BW06.BHZ.00 2022-08-21T15:37:06.88 10.0 negative automatic P 288 49.4933 -0.186262 0.525398
US.MIAR.BHZ.00 2022-08-21T15:36:56.63 10.0 negative automatic P 268 48.2334 -0.416414 0.545045
IU.COLA.BHZ.00 2022-08-21T15:36:45.37 10.0 positive automatic P 329 46.5106 1.73437 0.612434
GE.CSS.BHZ. 2022-08-21T15:36:43.65 10.0 positive automatic P 94 46.5695 -0.478578 0.505596
US.LRAL.BHZ.00 2022-08-21T15:36:41.18 10.0 negative automatic P 261 46.2492 -0.389651 0.616952
IU.WVT.BHZ.00 2022-08-21T15:36:24.40 10.0 negative automatic P 264 44.1578 -0.574054 0.653701
US.TZTN.BHZ.00 2022-08-21T15:36:07.00 10.0 negative automatic P 260 41.7504 1.49149 0.55527
HT.ALN.HHZ. 2022-08-21T15:35:36.98 10.0 positive automatic P 95 38.3646 -0.378106 0.768187
HT.AGG.HHZ. 2022-08-21T15:35:33.12 10.0 negative automatic P 101 38.0106 -1.34479 0.546657
HL.RDO.HHZ. 2022-08-21T15:35:32.65 10.0 negative automatic P 96 37.9172 -0.94167 0.672677
IU.SSPA.BHZ.00 2022-08-21T15:35:15.60 10.0 negative automatic P 259 35.8025 -0.0293734 0.830426
MN.BZS.BHZ. 2022-08-21T15:34:49.07 10.0 positive automatic P 94 32.7043 0.302959 0.81681
GE.PSZ.BHZ. 2022-08-21T15:34:27.55 10.0 negative automatic P 93 30.2408 0.34154 0.925304
GE.MORC.BHZ. 2022-08-21T15:34:05.40 10.0 positive automatic P 92 27.8486 -0.52274 0.909091
PL.KSP.BHZ. 2022-08-21T15:33:53.97 10.0 positive automatic P 91 26.5522 -0.241888 0.888889
MN.BNI.BHZ. 2022-08-21T15:33:52.02 10.0 positive automatic pP 111 25.9783 2.81408 0
OE.DAVA.BHZ. 2022-08-21T15:33:50.12 10.0 positive automatic P 104 25.8294 2.22739 0
PM.PESTR.BHZ. 2022-08-21T15:33:44.31 10.0 negative automatic P 139 25.4827 -0.239842 0.909091
IU.GRFO.BHZ.00 2022-08-21T15:33:38.15 10.0 positive automatic P 98 24.8208 -0.373494 0.824742
II.BFO.BHZ.00 2022-08-21T15:33:34.27 10.0 positive automatic P 104 24.3552 -0.0466414 0.909091
GE.MTE.BHZ. 2022-08-21T15:33:32.15 10.0 positive automatic P 138 24.1086 0.0436845 0.909091
IU.KEV.BHZ.00 2022-08-21T15:33:31.57 10.0 negative automatic P 45 24.0301 0.306834 0.43956
G.ECH.BHZ.00 2022-08-21T15:33:29.55 10.0 positive automatic P 105 23.8794 -0.422373 0.8
GE.FLT1.BHZ. 2022-08-21T15:33:21.60 10.0 positive automatic P 93 23.1617 -1.27609 0.952381
RD.LOR.BHZ. 2022-08-21T15:33:20.54 10.0 positive automatic P 111 23.0251 -0.973352 0.826446
GE.WLF.BHZ. 2022-08-21T15:33:15.50 10.0 positive automatic P 104 22.4008 0.639799 0.43956
RD.MFF.BHZ. 2022-08-21T15:33:07.18 10.0 positive automatic P 117 21.7369 -0.59212 0.952381
GE.IBBN.BHZ. 2022-08-21T15:33:04.20 10.0 positive automatic P 96 21.4788 -0.782325 0.869565
DK.NOR.BHZ. 2022-08-21T15:33:03.40 10.0 positive automatic pP 5 21.1846 1.60879 0
RD.ROSF.BHZ. 2022-08-21T15:32:38.92 10.0 positive automatic P 119 19.0519 0.285277 0.328947
DK.NEEM.BHZ.10 2022-08-21T15:32:32.05 10.0 positive automatic P 345 18.2875 1.47235 0.952381
II.ESK.BHZ.00 2022-08-21T15:31:47.47 10.0 negative automatic P 100 14.4504 6.43053 0.952381
DK.NUUG.BHZ.00 2022-08-21T15:31:39.65 10.0 positive automatic P 328 14.4926 -1.92752 0.909091
GE.VAL.BHZ. 2022-08-21T15:31:26.45 10.0 negative automatic P 122 13.4008 -0.233684 0.930233
II.BORG.BHZ.00 2022-08-21T15:29:34.97 10.0 positive automatic P 37 5.3059 -0.806637 0.963855
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download