Earthquake with magnitude of ML 1.6 on date 21-09-2021 and time 11:37:18 (Italy) in region 2 km E Maniago (PN)

A magnitude ML 1.6 earthquake occured in region: 2 km E Maniago (PN), on

  • 21-09-2021 09:37:18 (UTC)
  • 21-09-2021 11:37:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1620, 12.7350 at 16 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Maniago PN 2 11698 11698
Vajont PN 3 1719 13417
Fanna PN 3 1583 15000
Cavasso Nuovo PN 5 1525 16525
Arba PN 5 1309 17834
Frisanco PN 6 622 18456
Montereale Valcellina PN 6 4433 22889
Sequals PN 7 2200 25089
Meduno PN 7 1574 26663
Vivaro PN 10 1352 28015
Andreis PN 10 259 28274
Travesio PN 11 1776 30050
Castelnovo del Friuli PN 14 880 30930
Barcis PN 14 256 31186
Spilimbergo PN 14 12124 43310
Tramonti di Sotto PN 15 387 43697
San Quirino PN 15 4383 48080
Aviano PN 15 9106 57186
Clauzetto PN 16 380 57566
San Giorgio della Richinvelda PN 17 4650 62216
Pinzano al Tagliamento PN 17 1525 63741
Tramonti di Sopra PN 17 321 64062
Dignano UD 18 2317 66379
San Martino al Tagliamento PN 19 1468 67847
Ragogna UD 19 2909 70756
Vito d'Asio PN 19 769 71525
Roveredo in Piano PN 19 5967 77492
Forgaria nel Friuli UD 19 1786 79278
Cordenons PN 19 18301 97579

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Pordenone (51229 inhabitants)
40 Km W of Udine (99169 inhabitants)
67 Km NE of Treviso (83731 inhabitants)
86 Km NE of Venezia (263352 inhabitants)
98 Km NW of Trieste (204420 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
Bulletin
Rev1000
ML 1.6 2021-09-21
09:37:18
46.1622 12.7353 16 2022-03-30
13:04:25
Bollettino Sismico Italiano INGV 99284191
Reviewed
Rev100
ML 1.6 2021-09-21
09:37:19
46.1677 12.7408 14 2021-09-21
09:51:48
Sala Sismica INGV-Roma 95692641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-21 09:37:18 ± 0.12
Latitude 46.1622 ± 0.0063
Longitude 12.7353 ± 0.0052
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99284191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 602
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 99284191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-03 14:25:06

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95692641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-21 09:51:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2021-09-21T09:37:33.10 0.6 undecidable manual S 76 42.7239 99 0.23 61
OX.CLUD.HHZ. 2021-09-21T09:37:31.10 0.6 undecidable manual S 19 34.5432 102 0.37 60
OX.FUSE.HHZ. 2021-09-21T09:37:31.30 0.6 undecidable manual S 36 34.6431 102 0.56 57
OX.DRE.HNZ. 2021-09-21T09:37:31.70 0.6 undecidable manual P 89 69.8745 95 0.56 53
RF.GEPF.HHZ. 2021-09-21T09:37:30.90 0.3 undecidable manual S 68 33.3444 102 0.47 88
OX.BOO.HHE. 2021-09-21T09:37:30.10 0.3 undecidable manual S 58 32.8449 103 -0.19 93
OX.CIMO.HHZ. 2021-09-21T09:37:29.00 0.3 undecidable manual S 307 27.75 106 0.03 97
IV.FVI.HHE. 2021-09-21T09:37:28.09 0.6 undecidable manual P 4 48.3183 97 0.25 60
OX.VARN.HHZ. 2021-09-21T09:37:28.66 0.6 undecidable manual P 249 52.0035 97 0.26 59
OX.PLRO.HHE. 2021-09-21T09:37:28.76 0.6 undecidable manual P 36 53.3022 96 0.16 60
OX.MPRI.HHZ. 2021-09-21T09:37:27.50 0.6 undecidable manual S 66 21.2676 114 0.17 64
IV.FREG.EHE. 2021-09-21T09:37:26.85 0.6 undecidable manual P 243 36.5412 101 0.81 51
NI.VINO.HHZ. 2021-09-21T09:37:26.63 0.3 undecidable manual P 76 42.7239 99 -0.35 89
NI.PALA.HHZ. 2021-09-21T09:37:26.40 0.3 undecidable manual S 58 17.1717 121 0.04 100
OX.BAD.HHE. 2021-09-21T09:37:26.09 0.3 undecidable manual P 78 39.8268 100 -0.45 87
OX.FUSE.HHZ. 2021-09-21T09:37:25.45 0.3 undecidable manual P 36 34.6431 102 -0.3 91
OX.CAE.HHZ. 2021-09-21T09:37:25.11 0.6 undecidable manual P 234 28.5492 106 0.28 62
RF.GEPF.HHZ. 2021-09-21T09:37:25.44 0.3 undecidable manual P 68 33.3444 102 -0.12 95
OX.BOO.HHE. 2021-09-21T09:37:25.22 0.3 undecidable manual P 58 32.8449 103 -0.27 92
OX.CLUD.HHZ. 2021-09-21T09:37:25.65 0.3 undecidable manual P 19 34.5432 102 -0.09 95
OX.MLN.HHZ. 2021-09-21T09:37:24.80 0.3 undecidable manual S 261 9.2796 143 0.01 100
NI.PURA.HHE. 2021-09-21T09:37:24.82 0.6 undecidable manual P 1 29.2485 105 -0.13 64
OX.CIMO.HHZ. 2021-09-21T09:37:24.78 0.3 undecidable manual P 307 27.75 106 0.05 97
IV.STAL.HHZ. 2021-09-21T09:37:24.90 0.3 undecidable manual S 350 11.0778 137 -0.19 96
OX.MPRI.HHZ. 2021-09-21T09:37:23.71 0.3 undecidable manual P 66 21.2676 114 -0.07 98
OX.MLN.HHZ. 2021-09-21T09:37:22.21 0.3 undecidable manual P 261 9.2796 143 -0.1 99
NI.PALA.HHZ. 2021-09-21T09:37:22.88 0.3 undecidable manual P 58 17.1717 121 -0.34 93
IV.STAL.HHZ. 2021-09-21T09:37:22.18 0.3 undecidable manual P 350 11.0778 137 -0.31 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.STAL.HNN. ML:2.1 0.00118656805 1.7696 AML other m 2021-09-21T09:37:24.00
IV.STAL.HHN. ML:2.0 0.0009525 0.2 AML other m 2021-09-21T09:37:25.03
IV.STAL.HNE. ML:2.1 0.0010645 0.24 AML other m 2021-09-21T09:37:25.71
IV.STAL.HHE. ML:2.0 0.0008872994 0.2048 AML other m 2021-09-21T09:37:25.73
OX.MLN.HHE. ML:1.4 0.00023558440000000003 0.16 AML other m 2021-09-21T09:37:26.12
OX.MLN.HHN. ML:1.5 0.0002915 0.36 AML other m 2021-09-21T09:37:26.69
NI.PALA.HHE. ML:1.9 0.0006445000000000001 0.22 AML other m 2021-09-21T09:37:27.24
NI.PALA.HHN. ML:1.8 0.0005096896 0.3648 AML other m 2021-09-21T09:37:28.29
OX.MPRI.HNE. ML:1.7 0.000279 0.3 AML other m 2021-09-21T09:37:28.73
OX.MPRI.HHE. ML:1.8 0.00035299999999999996 0.3 AML other m 2021-09-21T09:37:28.74
OX.CIMO.HHE. ML:1.4 0.0001258 0.12 AML other m 2021-09-21T09:37:29.46
OX.CIMO.HHN. ML:1.5 0.00014900000000000002 0.12 AML other m 2021-09-21T09:37:29.46
OX.CIMO.HNN. ML:1.5 0.00014466384999999997 0.1216 AML other m 2021-09-21T09:37:29.46
OX.CIMO.HNE. ML:1.4 0.000123 0.14 AML other m 2021-09-21T09:37:29.47
OX.CLUD.HHN. ML:1.0 0.00004115 0.68 AML other m 2021-09-21T09:37:31.40
OX.MPRI.HNN. ML:2.0 0.0005555 0.32 AML other m 2021-09-21T09:37:32.19
OX.MPRI.HHN. ML:2.1 0.000733 0.34 AML other m 2021-09-21T09:37:32.19
OX.CLUD.HNN. ML:1.1 0.000050242125 0.3648 AML other m 2021-09-21T09:37:32.97
RF.GEPF.HHN. ML:1.6 0.0001495 0.28 AML other m 2021-09-21T09:37:33.24
RF.GEPF.HHE. ML:1.5 0.000124 0.32 AML other m 2021-09-21T09:37:33.21
OX.CAE.HHE. ML:1.9 0.0003505 0.42 AML other m 2021-09-21T09:37:33.97
OX.CAE.HHN. ML:1.5 0.00013800000000000002 0.4 AML other m 2021-09-21T09:37:34.52
OX.CLUD.HNE. ML:1.2 0.000063184185 1.1744 AML other m 2021-09-21T09:37:35.36
OX.CLUD.HHE. ML:1.1 0.000042973115000000005 1.0784 AML other m 2021-09-21T09:37:36.74
NI.VINO.HHE. ML:1.3 0.0000659 0.54 AML other m 2021-09-21T09:37:36.51
NI.VINO.HHN. ML:1.3 0.00005956982 1.6544 AML other m 2021-09-21T09:37:38.11
OX.VARN.HHN. ML:1.6 0.00010089122000000001 0.2816 AML other m 2021-09-21T09:37:41.23
OX.VARN.HNE. ML:1.6 0.00009971099 0.3776 AML other m 2021-09-21T09:37:43.90
OX.VARN.HHE. ML:1.6 0.00009708703 0.3584 AML other m 2021-09-21T09:37:43.90
OX.VARN.HNN. ML:1.6 0.00009722163 0.3968 AML other m 2021-09-21T09:37:44.62
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