Earthquake with magnitude of ML 1.4 on date 31-12-2021 and time 16:28:06 (UTC) in region 4 km NE Vallarsa (TN)

A magnitude ML 1.4 earthquake occured in region: 4 km NE Vallarsa (TN), on

  • 31-12-2021 16:28:06 (UTC)
  • 31-12-2021 17:28:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8070, 11.1630 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
Vallarsa TN 4 1395 1395
Posina VI 8 566 1961
Terragnolo TN 8 716 2677
Laghi VI 9 133 2810
Trambileno TN 10 1452 4262
Valli del Pasubio VI 10 3242 7504
Recoaro Terme VI 12 6453 13957
Folgaria TN 12 3191 17148
Rovereto TN 13 39289 56437
Ala TN 13 8913 65350
Arsiero VI 15 3192 68542
Volano TN 15 3169 71711
Lastebasse VI 15 208 71919
Isera TN 15 2735 74654
Torrebelvicino VI 15 5917 80571
Calliano TN 15 1807 82378
Mori TN 15 9678 92056
Tonezza del Cimone VI 15 521 92577
Nomi TN 15 1398 93975
Villa Lagarina TN 16 3778 97753
Nogaredo TN 16 2065 99818
Pedemonte VI 16 774 100592
Velo d'Astico VI 16 2403 102995
Brentonico TN 16 4015 107010
Besenello TN 16 2654 109664
Pomarolo TN 16 2452 112116
Lavarone TN 17 1138 113254
Valdastico VI 18 1297 114551
Luserna TN 18 276 114827
Schio VI 18 39355 154182
Avio TN 19 4133 158315
Ronzo-Chienis TN 19 976 159291
Santorso VI 19 5769 165060
Rotzo VI 20 666 165726
Aldeno TN 20 3059 168785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km S of Trento (117317 inhabitants)
41 Km NW of Vicenza (112953 inhabitants)
43 Km NE of Verona (258765 inhabitants)
71 Km NW of Padova (210401 inhabitants)
79 Km S of Bolzano (106441 inhabitants)
79 Km E of Brescia (196480 inhabitants)
86 Km W of Treviso (83731 inhabitants)
95 Km NW of Rovigo (51867 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 1.4 2021-12-31
16:28:06
45.8068 11.1627 16 2022-03-30
13:04:30
Bollettino Sismico Italiano INGV 99783061
Reviewed
Rev100
ML 1.5 2021-12-31
16:28:06
45.8047 11.1603 14 2021-12-31
16:33:39
Sala Sismica INGV-Roma 99197151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-31 16:28:06 ± 0.09
Latitude 45.8068 ± 0.0036
Longitude 11.1627 ± 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 99783061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.60434
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 99197151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-31 16:33:39

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 99783061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-17 10:40:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.RONC.HNE. 2021-12-31T16:28:21.47 0.6 undecidable manual S 295 45.9207 99 0.06 47
IV.ZOVE.HNZ. 2021-12-31T16:28:21.50 0.6 undecidable manual S 147 46.62 99 -0.09 47
IV.CTI.HHN. 2021-12-31T16:28:21.01 0.6 undecidable manual S 54 46.1205 99 -0.46 42
IV.MAGA.HHE. 2021-12-31T16:28:20.11 0.6 undecidable manual S 265 41.4252 100 -0.13 47
IV.ZEN8.HNE. 2021-12-31T16:28:19.00 0.6 undecidable manual S 241 38.2284 101 -0.4 45
ZO.PDN3.HNZ. 2021-12-31T16:28:17.72 0.6 undecidable manual S 271 32.8449 104 -0.28 47
ST.GAGG.HHE. 2021-12-31T16:28:17.92 0.6 undecidable manual S 333 34.4433 103 -0.49 43
OX.BALD.HHZ. 2021-12-31T16:28:17.02 0.6 undecidable manual S 243 29.9478 106 -0.23 47
ST.PANI.EHZ. 2021-12-31T16:28:16.97 0.6 undecidable manual S 26 30.0477 106 -0.3 45
IV.MBAL.EHZ. 2021-12-31T16:28:16.24 0.6 undecidable manual S 243 26.4513 109 -0.12 49
IV.BAG8.EHE. 2021-12-31T16:28:16.58 1.0 undecidable manual P 272 53.9016 97 0.22 22
ST.RONC.HNE. 2021-12-31T16:28:15.30 1.0 undecidable manual P 295 45.9207 99 0.16 23
SI.LUSI.HHZ. 2021-12-31T16:28:15.28 0.6 undecidable manual S 315 23.9538 112 -0.44 45
IV.ZOVE.HNZ. 2021-12-31T16:28:15.54 0.6 undecidable manual P 147 46.62 99 0.29 45
ST.VARA.HNZ. 2021-12-31T16:28:15.01 0.6 undecidable manual S 276 20.6682 117 0.08 49
IV.ZEN8.HNE. 2021-12-31T16:28:14.04 1.0 undecidable manual P 241 38.2284 101 0.05 24
OX.MARN.HHZ. 2021-12-31T16:28:14.21 0.6 undecidable manual S 169 19.0698 120 -0.35 47
IV.MAGA.HHE. 2021-12-31T16:28:14.30 1.0 undecidable manual P 265 41.4252 100 -0.17 23
IV.ROVR.HHZ. 2021-12-31T16:28:14.11 0.6 undecidable manual S 202 19.0698 120 -0.45 46
IV.CTI.HHN. 2021-12-31T16:28:14.75 0.6 undecidable manual P 54 46.1205 99 -0.43 43
ZO.PDN3.HNZ. 2021-12-31T16:28:13.54 1.0 undecidable manual P 271 32.8449 104 0.36 23
ST.PANI.EHZ. 2021-12-31T16:28:13.17 0.6 undecidable manual P 26 30.0477 106 0.41 45
ST.GAGG.HHE. 2021-12-31T16:28:13.72 0.1 undecidable manual P 333 34.4433 103 0.3 92
ST.DOSS.HHZ. 2021-12-31T16:28:12.39 0.1 undecidable manual S 14 8.4804 147 -0.08 100
IV.MBAL.EHZ. 2021-12-31T16:28:12.21 1.0 undecidable manual P 243 26.4513 109 -0.02 25
SI.LUSI.HHZ. 2021-12-31T16:28:12.05 0.1 undecidable manual P 315 23.9538 112 0.19 96
OX.BALD.HHZ. 2021-12-31T16:28:12.67 1.0 undecidable manual P 243 29.9478 106 -0.07 24
IV.ROVR.HHZ. 2021-12-31T16:28:11.54 0.6 negative manual P 202 19.0698 120 0.35 46
IV.VMAN.HHN. 2021-12-31T16:28:11.95 3.0 undecidable manual P 67.0773 -6.44 0
ST.VARA.HNZ. 2021-12-31T16:28:11.70 0.1 undecidable manual P 276 20.6682 117 0.29 94
IV.TEOL.HHE. 2021-12-31T16:28:11.27 3.0 undecidable manual P 63.3921 -6.55 0
OX.MARN.HHZ. 2021-12-31T16:28:11.48 0.6 undecidable manual P 169 19.0698 120 0.28 47
ST.OZOL.HNN. 2021-12-31T16:28:11.36 1.0 undecidable manual P 66.7776 -6.98 0
IV.ASOL.HNN. 2021-12-31T16:28:11.85 3.0 undecidable manual P 57.1983 -5.02 0
ST.DOSS.HHZ. 2021-12-31T16:28:10.35 0.1 positive manual P 14 8.4804 147 0.37 95
ST.ZIAN.EHE. 2021-12-31T16:28:09.61 3.0 undecidable manual P 60.495 -7.77 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HHN. ML:1.6 0.0003579139 0.2944 AML other m 2021-12-31T16:28:12.54
ST.DOSS.HHE. ML:1.3 0.00018631690000000002 0.0768 AML other m 2021-12-31T16:28:12.56
OX.MARN.HHE. ML:1.4 0.000177928895 0.0768 AML other m 2021-12-31T16:28:14.53
OX.MARN.HHN. ML:1.5 0.00020949370000000002 0.128 AML other m 2021-12-31T16:28:14.48
IV.MBAL.EHN. ML:1.2 0.000081833465 0.128 AML other m 2021-12-31T16:28:16.45
IV.MBAL.EHE. ML:1.4 0.00011326064500000001 0.1024 AML other m 2021-12-31T16:28:17.17
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