Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-09-2020 and time 09:16:26 (UTC) in region 4 km SW Vallarsa (TN)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Vallarsa (TN), on

  • 16-09-2020 09:16:26 (UTC)
  • 16-09-2020 11:16:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7520, 11.0960 at 11 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.

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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
Vallarsa TN 4 1395 1395
Ala TN 7 8913 10308
Recoaro Terme VI 11 6453 16761
Avio TN 12 4133 20894
Valli del Pasubio VI 13 3242 24136
Brentonico TN 13 4015 28151
Trambileno TN 13 1452 29603
Posina VI 14 566 30169
Erbezzo VR 14 740 30909
Mori TN 15 9678 40587
Terragnolo TN 15 716 41303
Bosco Chiesanuova VR 15 3600 44903
Rovereto TN 16 39289 84192
Selva di Progno VR 16 933 85125
Laghi VI 16 133 85258
Velo Veronese VR 16 770 86028
Isera TN 17 2735 88763
Torrebelvicino VI 17 5917 94680
Roverè Veronese VR 18 2115 96795
Sant'Anna d'Alfaedo VR 18 2553 99348
Crespadoro VI 18 1330 100678
Nogaredo TN 19 2065 102743
Volano TN 19 3169 105912
Brentino Belluno VR 19 1395 107307
Villa Lagarina TN 19 3778 111085
Ronzo-Chienis TN 19 976 112061
Folgaria TN 19 3191 115252
Altissimo VI 19 2230 117482
Valdagno VI 20 26234 143716
Nomi TN 20 1398 145114
Pomarolo TN 20 2452 147566
Cerro Veronese VR 20 2471 150037

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km S of Trento (117317 inhabitants)
36 Km N of Verona (258765 inhabitants)
42 Km NW of Vicenza (112953 inhabitants)
72 Km NW of Padova (210401 inhabitants)
72 Km E of Brescia (196480 inhabitants)
86 Km S of Bolzano (106441 inhabitants)
90 Km W of Treviso (83731 inhabitants)
93 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 1.6 2020-09-16
09:16:26		 45.7518 11.0955 11 2021-02-26
14:55:57		 Bollettino Sismico Italiano INGV 83408691
Reviewed
Rev100 		ML 1.7 2020-09-16
09:16:26		 45.751 11.0928 10 2020-09-16
09:26:11		 Sala Sismica INGV-Roma 82950011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-16 09:16:26 ± 0.07
Latitude 45.7518 ± 0.0036
Longitude 11.0955 ± 0.0039
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83408691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 172
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 83408691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-01 07:58:54

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 37
Type of magnitude ML
Reference to an origin 82950011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-16 09:26:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2020-09-16T09:17:37.08 3.0 undecidable manual Pn -2.38 0
IV.COR1.EHZ. 2020-09-16T09:17:36.57 3.0 undecidable manual Sn -2.97 0
IV.GIUL.HHZ. 2020-09-16T09:17:35.63 3.0 negative manual Pn 0.99 0
IV.VCEL.EHZ. 2020-09-16T09:17:35.16 3.0 undecidable manual Pg 8.45 0
SL.KOGS.BHZ. 2020-09-16T09:17:32.92 3.0 undecidable manual Pn 9.55 0
IV.FIR.HHZ. 2020-09-16T09:17:27.07 3.0 undecidable manual Sg 0.72 0
GU.CANO.HHZ. 2020-09-16T09:17:13.63 3.0 undecidable manual Pg 5.54 0
IV.COR1.EHZ. 2020-09-16T09:17:07.74 3.0 positive manual Pn -0.05 0
IV.NDIM.HNZ. 2020-09-16T09:16:54.59 3.0 undecidable manual S -3.44 0
IV.STAL.HHZ. 2020-09-16T09:16:51.24 3.0 undecidable manual P 1.1 0
IV.TEOL.HHZ. 2020-09-16T09:16:46.27 0.3 undecidable manual S 134 62.3931 90 0.36 65
OX.CGRP.HHZ. 2020-09-16T09:16:44.07 0.3 undecidable manual S 75 56.6988 90 -0.31 66
IV.CTI.HHZ. 2020-09-16T09:16:43.28 0.3 undecidable manual S 52 53.9016 90 -0.38 65
OX.VARN.HHZ. 2020-09-16T09:16:42.54 3.0 undecidable manual P 0.46 0
ST.RONC.EHZ. 2020-09-16T09:16:41.18 0.3 undecidable manual S 305 44.4222 90 0.06 71
IV.MAGA.HHZ. 2020-09-16T09:16:39.10 0.3 undecidable manual S 274 36.2415 90 0.17 71
ST.GAGG.HHZ. 2020-09-16T09:16:39.28 0.3 undecidable manual S 344 38.2284 90 -0.19 70
ST.PANI.EHZ. 2020-09-16T09:16:38.99 0.3 undecidable manual S 29 37.8288 90 -0.38 67
IV.TEOL.HHZ. 2020-09-16T09:16:38.34 0.6 undecidable manual P 134 62.3931 90 0.51 42
OX.CGRP.HHZ. 2020-09-16T09:16:37.33 0.6 undecidable manual P 75 56.6988 90 0.38 44
IV.CTI.HHZ. 2020-09-16T09:16:36.88 0.3 undecidable manual P 52 53.9016 90 0.34 67
IV.ZEN8.HNN. 2020-09-16T09:16:36.82 0.3 undecidable manual S 246 30.8469 90 -0.68 63
OX.BALD.HNE. 2020-09-16T09:16:35.20 0.3 undecidable manual S 250 22.755 91 -0.13 74
ST.RONC.EHZ. 2020-09-16T09:16:35.22 0.3 undecidable manual P 305 44.4222 90 0.15 70
SI.LUSI.HHZ. 2020-09-16T09:16:35.81 0.3 undecidable manual S 333 25.8519 91 -0.35 70
IV.SALO.HHZ. 2020-09-16T09:16:35.76 0.3 undecidable manual P 252 46.7199 90 0.35 67
IV.TREG.HNZ. 2020-09-16T09:16:35.67 0.3 undecidable manual S 169 25.8519 91 -0.5 68
ST.GAGG.HHZ. 2020-09-16T09:16:34.39 0.3 negative manual P 344 38.2284 90 0.27 69
ST.PANI.EHZ. 2020-09-16T09:16:34.28 0.3 undecidable manual P 29 37.8288 90 0.23 70
IV.MBAL.EHZ. 2020-09-16T09:16:34.12 0.3 undecidable manual S 252 19.2696 91 -0.28 72
ST.DOSS.HHZ. 2020-09-16T09:16:33.28 0.3 undecidable manual S 27 15.9729 93 -0.25 72
IV.MAGA.HHZ. 2020-09-16T09:16:33.92 0.3 undecidable manual P 274 36.2415 90 0.12 71
ST.VARA.EHZ. 2020-09-16T09:16:33.81 0.3 undecidable manual S 298 17.4714 92 -0.11 75
IV.TREG.HNZ. 2020-09-16T09:16:32.30 0.1 undecidable manual P 169 25.8519 91 0.09 98
OX.MARN.HHN. 2020-09-16T09:16:32.99 0.3 undecidable manual S 145 15.4734 94 -0.39 71
IV.ZEN8.HNN. 2020-09-16T09:16:32.89 0.1 undecidable manual P 246 30.8469 90 -0.09 98
SI.LUSI.HHZ. 2020-09-16T09:16:32.30 0.3 undecidable manual P 333 25.8519 91 0.1 73
ST.VARA.EHZ. 2020-09-16T09:16:31.10 0.3 positive manual P 298 17.4714 92 0.19 73
IV.MBAL.EHZ. 2020-09-16T09:16:31.25 0.1 positive manual P 252 19.2696 91 0.06 99
OX.BALD.HNE. 2020-09-16T09:16:31.90 0.1 undecidable manual P 250 22.755 91 0.17 96
OX.MARN.HHN. 2020-09-16T09:16:30.66 0.1 undecidable manual P 145 15.4734 94 0.06 100
ST.DOSS.HHZ. 2020-09-16T09:16:30.90 0.1 positive manual P 27 15.9729 93 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HNE. ML:1.6 0.00037788255000000004 0.1024 AML other m 2020-09-16T09:16:33.32
ST.DOSS.HHN. ML:1.7 0.00041792070000000003 0.1024 AML other m 2020-09-16T09:16:33.32
ST.DOSS.HHE. ML:1.7 0.00040251130000000003 0.1216 AML other m 2020-09-16T09:16:33.62
ST.DOSS.HNN. ML:1.6 0.00036723475 0.1216 AML other m 2020-09-16T09:16:33.62
SI.LUSI.HHN. ML:1.8 0.0003363364 1.8784 AML other m 2020-09-16T09:16:35.00
SI.LUSI.HHE. ML:1.6 0.0002064948 1.8592 AML other m 2020-09-16T09:16:36.01
IV.MAGA.HHN. ML:1.8 0.00022069860000000004 0.2048 AML other m 2020-09-16T09:16:39.63
ST.GAGG.HNN. ML:1.4 0.000080567055 0.1984 AML other m 2020-09-16T09:16:39.72
IV.MAGA.HHE. ML:1.9 0.0002730951 0.32 AML other m 2020-09-16T09:16:39.75
ST.GAGG.HHE. ML:1.4 0.00008199114 0.16 AML other m 2020-09-16T09:16:40.19
ST.GAGG.HNE. ML:1.6 0.000137605725 0.3392 AML other m 2020-09-16T09:16:40.68
ST.GAGG.HHN. ML:1.6 0.0001345044 0.3392 AML other m 2020-09-16T09:16:40.68
ST.RONC.EHE. ML:1.4 0.0000851551 0.2432 AML other m 2020-09-16T09:16:41.55
ST.RONC.EHN. ML:1.4 0.00008464497 1.84 AML other m 2020-09-16T09:16:41.98
IV.CTI.HHN. ML:1.6 0.00008442166500000001 0.16 AML other m 2020-09-16T09:16:44.04
IV.CTI.HHE. ML:1.7 0.00012504579999999998 0.0576 AML other m 2020-09-16T09:16:44.60
OX.CGRP.HHE. ML:1.4 0.00005406387 0.3008 AML other m 2020-09-16T09:16:45.72
OX.CGRP.HHN. ML:1.4 0.000047677200000000005 0.2432 AML other m 2020-09-16T09:16:45.86
IV.TEOL.HHE. ML:1.4 0.00004737824 0.1408 AML other m 2020-09-16T09:16:46.58
IV.TEOL.HHN. ML:1.4 0.000045455634999999995 0.2624 AML other m 2020-09-16T09:16:50.52
OX.VARN.HHN. ML:1.4 0.000029915405 0.2176 AML other m 2020-09-16T09:16:57.92
OX.VARN.HHE. ML:1.4 0.000036136089999999994 1.8208 AML other m 2020-09-16T09:16:58.96
IV.STAL.HHN. ML:1.7 0.000028314465 0.2624 AML other m 2020-09-16T09:17:09.48
IV.STAL.HHE. ML:1.8 0.000032892825 0.1984 AML other m 2020-09-16T09:17:12.02
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