Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-05-2023 and time 17:33:58 (Italy) in region 4 km NE Chies d'Alpago (BL)

A magnitude ML 1.6 earthquake occured in region: 4 km NE Chies d'Alpago (BL), on

  • 01-05-2023 15:33:58 (UTC)
  • 01-05-2023 17:33:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2030, 12.4270 at 6 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Chies d'Alpago BL 4 1377 1377
Alpago BL 7 6994 8371
Tambre BL 8 1371 9742
Soverzene BL 9 389 10131
Erto e Casso PN 10 387 10518
Cimolais PN 10 397 10915
Claut PN 10 956 11871
Ponte nelle Alpi BL 10 8363 20234
Barcis PN 10 256 20490
Longarone BL 12 5359 25849
Andreis PN 15 259 26108
Ospitale di Cadore BL 16 292 26400
Belluno BL 18 35870 62270
Montereale Valcellina PN 19 4433 66703
Budoia PN 20 2569 69272
Aviano PN 20 9106 78378
Polcenigo PN 20 3163 81541

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Pordenone (51229 inhabitants)
61 Km N of Treviso (83731 inhabitants)
64 Km W of Udine (99169 inhabitants)
86 Km N of Venezia (263352 inhabitants)
89 Km E of Bolzano (106441 inhabitants)
98 Km NE of Padova (210401 inhabitants)
100 Km NE of Vicenza (112953 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 		ML 1.6 2023-05-01
15:33:58		 46.2027 12.4268 6 2023-05-01
15:44:57		 Sala Sismica INGV-Roma 116941761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-01 15:33:58 ± 0.08
Latitude 46.2027 ± 0.0054
Longitude 12.4268 ± 0.0065
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116941761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00634
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 116941761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-01 15:44:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-05-01T15:35:44.38 3.0 undecidable manual Sg 7.99 0
GU.RORO.HHZ. 2023-05-01T15:35:42.43 3.0 undecidable manual Sn -0.94 0
IV.CAFI.HHZ. 2023-05-01T15:35:29.37 3.0 undecidable manual Sg 4.89 0
IV.GIUL.HHZ. 2023-05-01T15:35:20.94 3.0 negative manual Pg 9.18 0
SL.BOJS.BHZ. 2023-05-01T15:35:05.87 3.0 undecidable manual Sn 0.49 0
IV.FRON.EHZ. 2023-05-01T15:34:45.79 3.0 undecidable manual Pg 1.34 0
ST.RONC.EHZ. 2023-05-01T15:34:43.77 3.0 undecidable manual S 0.96 0
IV.ROVR.HHZ. 2023-05-01T15:34:37.77 3.0 undecidable manual S -0.95 0
IV.MAGA.HHZ. 2023-05-01T15:34:25.30 3.0 undecidable manual P 0.85 0
IV.ROVR.HHZ. 2023-05-01T15:34:20.81 3.0 negative manual P -0.52 0
ST.OZOL.EHZ. 2023-05-01T15:34:19.88 3.0 positive manual P 1.7 0
IV.ZOVE.EHZ. 2023-05-01T15:34:19.47 3.0 negative manual P -0.45 0
OX.MARN.HHZ. 2023-05-01T15:34:19.19 3.0 undecidable manual P -0.8 0
SI.ROSI.HHZ. 2023-05-01T15:34:18.82 1.0 undecidable manual P 316 111.6993 50 0.59 19
OX.SABO.HHZ. 2023-05-01T15:34:17.42 3.0 negative manual P -1.06 0
ST.DOSS.HHZ. 2023-05-01T15:34:17.24 3.0 negative manual P -0.6 0
OX.ACOM.HHZ. 2023-05-01T15:34:16.81 3.0 negative manual P -0.23 0
OX.DRE.HHZ. 2023-05-01T15:34:16.96 3.0 positive manual P -0.97 0
SI.KOSI.HHZ. 2023-05-01T15:34:14.45 0.1 undecidable manual P 290 85.3479 50 0.27 86
IV.BRES.EHE. 2023-05-01T15:34:12.70 0.6 undecidable manual P 316 76.368 50 -0.09 46
OX.PLRO.HHZ. 2023-05-01T15:34:11.87 0.1 undecidable manual P 55 67.2771 50 0.49 85
ST.ZIAN.EHZ. 2023-05-01T15:34:11.35 0.3 undecidable manual P 277 66.7776 50 0.04 70
IV.CTI.HHZ. 2023-05-01T15:34:10.20 0.6 undecidable manual P 254 62.1933 50 -0.4 44
OX.FUSE.HHZ. 2023-05-01T15:34:08.84 0.1 undecidable manual P 62 49.9167 50 0.13 95
OX.CLUD.HHZ. 2023-05-01T15:34:07.76 0.6 undecidable manual P 51 44.8218 50 -0.16 48
IV.STAL.HHZ. 2023-05-01T15:34:06.89 0.3 undecidable manual S 74 22.6551 104 -0.12 75
OX.CAE.HHZ. 2023-05-01T15:34:06.89 0.3 undecidable manual S 178 21.4674 105 0.27 73
NI.PALA.HHZ. 2023-05-01T15:34:06.06 0.1 undecidable manual P 83 38.4282 98 -0.63 85
NI.PURA.HHE. 2023-05-01T15:34:05.58 0.6 undecidable manual P 44 34.5432 99 -0.35 47
OX.MLN.HHZ. 2023-05-01T15:34:04.87 0.3 undecidable manual S 112 15.6732 110 0.19 75
OX.VARN.HHZ. 2023-05-01T15:34:04.92 0.1 undecidable manual P 227 34.0437 99 -0.89 77
OX.AGOR.HHZ. 2023-05-01T15:34:04.73 0.1 undecidable manual P 287 30.4473 101 -0.38 93
OX.CIMO.HHZ. 2023-05-01T15:34:03.62 0.3 undecidable manual S 7 12.1767 115 0.06 77
IV.FREG.EHZ. 2023-05-01T15:34:03.50 0.1 undecidable manual P 202 22.9548 104 -0.15 99
IT.PNAL.HNE. 2023-05-01T15:34:03.40 0.3 undecidable manual S 251 10.3785 119 0.39 72
NI.POLC.HHZ. 2023-05-01T15:34:03.69 0.3 undecidable manual P 164 20.3685 106 0.56 68
IV.STAL.HHZ. 2023-05-01T15:34:03.42 0.1 undecidable manual P 74 22.6551 104 -0.17 99
OX.CAE.HHZ. 2023-05-01T15:34:03.09 0.1 undecidable manual P 178 21.4674 105 -0.27 97
OX.MLN.HHZ. 2023-05-01T15:34:02.54 0.3 undecidable manual P 112 15.6732 110 0.3 73
OX.CIMO.HHZ. 2023-05-01T15:34:01.80 0.1 undecidable manual P 7 12.1767 115 0.21 100
IT.PNAL.HNE. 2023-05-01T15:34:01.61 0.1 undecidable manual P 251 10.3785 119 0.34 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.MLN.HNN. ML:1.4 0.0002755414 0.2432 AML other m 2023-05-01T15:34:05.89
OX.MLN.HNE. ML:1.4 0.00025089578499999996 0.1408 AML other m 2023-05-01T15:34:05.44
OX.MLN.HHE. ML:1.3 0.00022405825 0.1792 AML other m 2023-05-01T15:34:05.37
OX.MLN.HHN. ML:1.4 0.0002735 1.72 AML other m 2023-05-01T15:34:06.88
OX.CAE.HHN. ML:1.3 0.00015655380000000003 0.1024 AML other m 2023-05-01T15:34:07.23
OX.CAE.HHE. ML:1.5 0.0002300588 0.1152 AML other m 2023-05-01T15:34:07.67
IV.FREG.EHE. ML:1.5 0.00020700000000000002 0.28 AML other m 2023-05-01T15:34:07.63
NI.POLC.HHE. ML:1.7 0.00037751856999999997 0.1408 AML other m 2023-05-01T15:34:07.81
IV.STAL.HHN. ML:1.9 0.0005729999999999999 1.84 AML other m 2023-05-01T15:34:07.06
IV.STAL.HHE. ML:1.8 0.0005124583499999999 0.1664 AML other m 2023-05-01T15:34:08.28
NI.POLC.HHN. ML:1.9 0.000696 0.2 AML other m 2023-05-01T15:34:08.21
OX.AGOR.HHN. ML:0.0 0.00004287493000000001 0.1024 AML other m 2023-05-01T15:34:09.91
IV.FREG.EHN. ML:1.3 0.0001465 0.3 AML other m 2023-05-01T15:34:09.49
OX.AGOR.HHE. ML:0.0 0.000031366770000000004 0.1408 AML other m 2023-05-01T15:34:10.85
OX.VARN.HHN. ML:1.5 0.00013000000000000002 0.2 AML other m 2023-05-01T15:34:11.28
OX.VARN.HNN. ML:1.5 0.000127 0.2 AML other m 2023-05-01T15:34:11.28
OX.VARN.HNE. ML:1.5 0.000143436505 0.2176 AML other m 2023-05-01T15:34:11.40
OX.VARN.HHE. ML:1.5 0.00014966563499999998 0.2048 AML other m 2023-05-01T15:34:11.40
NI.PALA.HHN. ML:1.4 0.00008319468 0.1664 AML other m 2023-05-01T15:34:13.81
NI.PALA.HHE. ML:1.2 0.00006048049 0.192 AML other m 2023-05-01T15:34:13.97
IV.CTI.HHN. ML:2.0 0.000222 0.28 AML other m 2023-05-01T15:34:19.47
IV.CTI.HHE. ML:1.8 0.0001315 0.3 AML other m 2023-05-01T15:34:19.48
OX.PLRO.HHN. ML:1.7 0.000087403475 0.32 AML other m 2023-05-01T15:34:22.52
OX.PLRO.HHE. ML:1.5 0.000058243315000000006 0.3584 AML other m 2023-05-01T15:34:22.09
OX.ACOM.HHE. ML:1.5 0.000034200000000000005 1.14 AML other m 2023-05-01T15:34:29.82
OX.ACOM.HHN. ML:1.6 0.000043249999999999994 0.54 AML other m 2023-05-01T15:34:29.92
ST.DOSS.HHE. ML:1.5 0.0000318 0.66 AML other m 2023-05-01T15:34:30.85
OX.DRE.HHN. ML:1.7 0.000057725465000000006 0.1024 AML other m 2023-05-01T15:34:32.33
ST.DOSS.HHN. ML:1.6 0.000037230345 0.4992 AML other m 2023-05-01T15:34:31.74
OX.DRE.HHE. ML:1.8 0.000072496635 0.0512 AML other m 2023-05-01T15:34:32.69
SI.ROSI.HHE. ML:0.0 0.000017478535 0.3584 AML other m 2023-05-01T15:34:40.16
SI.ROSI.HHN. ML:0.0 0.00001743514 0.2688 AML other m 2023-05-01T15:34:40.95
OX.CIMO.HHE. ML:1.3 0.0002712479 0.0768 AML other m 2023-05-01T15:34:03.84
OX.CIMO.HHN. ML:1.2 0.00020569815 0.0896 AML other m 2023-05-01T15:34:04.31
OX.CIMO.HNE. ML:1.3 0.000280971 0.0768 AML other m 2023-05-01T15:34:03.84
OX.CIMO.HNN. ML:1.1 0.00016387879999999998 0.0768 AML other m 2023-05-01T15:34:04.31
IV.STAL.HNE. ML:2.0 0.00071855775 0.1152 AML other m 2023-05-01T15:34:07.90
IV.STAL.HNN. ML:2.0 0.0006882706999999999 0.1024 AML other m 2023-05-01T15:34:07.65
IV.FREG.HNE. ML:1.9 0.0005642919 0.704 AML other m 2023-05-01T15:34:04.14
IV.FREG.HNN. ML:1.8 0.00043136889999999993 41.4336 AML other m 2023-05-01T15:34:02.82
OX.AGOR.HNE. ML:1.4 0.00011360589500000001 0.5376 AML other m 2023-05-01T15:34:19.01
OX.AGOR.HNN. ML:1.4 0.00013208934999999999 0.4224 AML other m 2023-05-01T15:34:11.44
ST.ZIAN.EHE. ML:1.1 0.000025048300999999998 0.2048 AML other m 2023-05-01T15:34:20.34
ST.ZIAN.EHN. ML:1.1 0.0000231531515 0.256 AML other m 2023-05-01T15:34:20.08
ST.ZIAN.HNE. ML:1.6 0.000068717855 0.64 AML other m 2023-05-01T15:34:23.14
ST.ZIAN.HNN. ML:1.5 0.000059030515000000004 0.4864 AML other m 2023-05-01T15:34:27.82
OX.PLRO.HNE. ML:1.9 0.00013084355 0.3584 AML other m 2023-05-01T15:34:22.27
OX.PLRO.HNN. ML:2.0 0.0001632384 0.448 AML other m 2023-05-01T15:34:20.92
SI.KOSI.HHE. ML:1.2 0.000021889489999999997 0.448 AML other m 2023-05-01T15:34:26.21
SI.KOSI.HHN. ML:1.2 0.000021083425 0.4352 AML other m 2023-05-01T15:34:25.91
OX.ACOM.HNE. ML:1.8 0.00006383264999999999 1.088 AML other m 2023-05-01T15:34:48.61
OX.ACOM.HNN. ML:1.7 0.000055012704999999996 0.6016 AML other m 2023-05-01T15:34:41.35
OX.DRE.HNE. ML:1.7 0.000061359185 0.0512 AML other m 2023-05-01T15:34:32.69
OX.DRE.HNN. ML:1.7 0.000049867335 0.1024 AML other m 2023-05-01T15:34:32.33
ST.DOSS.HNE. ML:1.9 0.00006787388 1.0368 AML other m 2023-05-01T15:34:47.21
ST.DOSS.HNN. ML:1.9 0.00006811882999999999 0.8192 AML other m 2023-05-01T15:34:45.46
ST.OZOL.HNE. ML:2.4 0.00024821064 0.896 AML other m 2023-05-01T15:34:34.67
ST.OZOL.HNN. ML:2.6 0.0003623514 1.6896 AML other m 2023-05-01T15:34:26.99
ST.OZOL.EHE. ML:1.7 0.000043606415 0.3328 AML other m 2023-05-01T15:34:39.10
ST.OZOL.EHN. ML:1.5 0.000030741915500000004 0.4224 AML other m 2023-05-01T15:34:40.05
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