Earthquake with magnitude of ML 1.1 on date 19-05-2021 and time 01:16:15 (Italy) in region 5 km NE Ala (TN)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Ala (TN), on

  • 18-05-2021 23:16:15 (UTC)
  • 19-05-2021 01:16:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7930, 11.0350 at 11 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ala TN 5 8913 8913
Vallarsa TN 7 1395 10308
Brentonico TN 7 4015 14323
Mori TN 8 9678 24001
Trambileno TN 9 1452 25453
Avio TN 10 4133 29586
Rovereto TN 11 39289 68875
Isera TN 11 2735 71610
Ronzo-Chienis TN 13 976 72586
Terragnolo TN 13 716 73302
Nogaredo TN 13 2065 75367
Villa Lagarina TN 14 3778 79145
Volano TN 14 3169 82314
Pomarolo TN 15 2452 84766
Nago-Torbole TN 15 2867 87633
Nomi TN 16 1398 89031
Calliano TN 17 1807 90838
Erbezzo VR 17 740 91578
Folgaria TN 17 3191 94769
Posina VI 18 566 95335
Recoaro Terme VI 18 6453 101788
Malcesine VR 18 3736 105524
Besenello TN 18 2654 108178
Arco TN 18 17526 125704
Riva del Garda TN 18 16926 142630
Valli del Pasubio VI 18 3242 145872
Brentino Belluno VR 19 1395 147267
Limone sul Garda BS 19 1181 148448
Bosco Chiesanuova VR 19 3600 152048
Laghi VI 19 133 152181
Ferrara di Monte Baldo VR 19 226 152407
Sant'Anna d'Alfaedo VR 19 2553 154960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km S of Trento (117317 inhabitants)
40 Km N of Verona (258765 inhabitants)
48 Km NW of Vicenza (112953 inhabitants)
69 Km E of Brescia (196480 inhabitants)
78 Km NW of Padova (210401 inhabitants)
83 Km SW of Bolzano (106441 inhabitants)
95 Km W of Treviso (83731 inhabitants)
100 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
Reviewed
Rev100
ML 1.1 2021-05-18
23:16:15
45.793 11.0352 11 2021-05-18
23:21:44
Sala Sismica INGV-Roma 90240891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 23:16:15 ± 0.1
Latitude 45.7930 ± 0.0063
Longitude 11.0352 ± 0.0077
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90240891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 345
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71046
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90240891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 23:21:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.OZOL.EHZ. 2021-05-18T23:16:36.17 1.0 undecidable manual S 1 67.7766 50 -0.2 22
IV.SGAL.EHZ. 2021-05-18T23:16:35.88 3.0 undecidable manual S -0.39 0
IV.CTI.HHZ. 2021-05-18T23:16:32.91 0.6 undecidable manual S 59 55.2003 50 -0.12 45
SI.KOSI.HHZ. 2021-05-18T23:16:29.85 1.0 undecidable manual P 19 78.8655 50 0.49 20
IV.APPI.EHZ. 2021-05-18T23:16:29.27 0.6 undecidable manual P 11 77.4669 50 0.12 43
ST.OZOL.EHZ. 2021-05-18T23:16:28.34 1.0 undecidable manual P 1 67.7766 50 0.68 19
ST.RONC.EHZ. 2021-05-18T23:16:28.04 0.1 undecidable manual S 303 38.0286 50 -0.39 88
ST.ZIAN.EHZ. 2021-05-18T23:16:27.65 1.0 undecidable manual P 37 67.2771 50 0.06 22
IV.TREG.EHZ. 2021-05-18T23:16:26.45 0.1 undecidable manual S 162 31.4463 50 -0.23 92
IV.CTI.HHZ. 2021-05-18T23:16:26.36 0.1 undecidable manual P 59 55.2003 50 0.63 79
IV.ZEN8.EHZ. 2021-05-18T23:16:25.83 0.1 undecidable manual S 234 29.1486 50 -0.23 93
IV.SALO.HHZ. 2021-05-18T23:16:24.77 0.6 undecidable manual P 244 44.0226 50 0.77 38
IV.MAGA.HHZ. 2021-05-18T23:16:22.08 3.0 negative manual P -0.03 0
IV.TREG.EHZ. 2021-05-18T23:16:22.19 0.6 negative manual P 162 31.4463 50 0.12 47
ST.RONC.EHZ. 2021-05-18T23:16:22.90 1.0 undecidable manual P 303 38.0286 50 -0.17 23
ST.GAGG.HHZ. 2021-05-18T23:16:22.17 1.0 negative manual P 350 32.745 50 -0.09 24
IV.ZEN8.EHZ. 2021-05-18T23:16:21.56 1.0 undecidable manual P 234 29.1486 50 -0.14 24
ST.DOSS.HHZ. 2021-05-18T23:16:21.76 0.1 undecidable manual S 50 15.3735 125 -0.5 90
ST.VARA.EHZ. 2021-05-18T23:16:21.20 0.1 undecidable manual S 289 11.3775 134 0.02 100
ST.VARA.EHZ. 2021-05-18T23:16:19.14 0.1 positive manual P 289 11.3775 134 0.25 95
SI.LUSI.HHZ. 2021-05-18T23:16:19.95 3.0 negative manual P -0.08 0
ST.DOSS.HHZ. 2021-05-18T23:16:19.49 0.1 positive manual P 50 15.3735 125 -0.02 99
IV.MBAL.EHZ. 2021-05-18T23:16:19.93 3.0 positive manual P -0.08 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.VARA.EHE. ML:1.6 0.000541 0.1 AML other m 2021-05-18T23:16:21.38
ST.VARA.EHN. ML:1.5 0.00035499999999999996 0.84 AML other m 2021-05-18T23:16:21.38
ST.DOSS.HHN. ML:0.8 0.00006594999999999999 1.92 AML other m 2021-05-18T23:16:21.97
ST.DOSS.HHE. ML:0.8 0.0000644 1.54 AML other m 2021-05-18T23:16:22.00
IV.TREG.EHN. ML:1.1 0.00006214999999999999 1.04 AML other m 2021-05-18T23:16:26.88
IV.TREG.EHE. ML:1.1 0.0000528 0.82 AML other m 2021-05-18T23:16:30.19
IV.CTI.HHE. ML:1.1 0.0000278 0.96 AML other m 2021-05-18T23:16:34.88
IV.CTI.HHN. ML:1.1 0.00002985 0.88 AML other m 2021-05-18T23:16:34.94
ST.ZIAN.EHE. ML:1.1 0.00002143 0.58 AML other m 2021-05-18T23:16:39.31
ST.ZIAN.EHN. ML:1.2 0.000023469999999999997 1.58 AML other m 2021-05-18T23:16:43.82
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