Earthquake (quarry blast) with magnitude of ML 0.9 on date 18-05-2023 and time 12:47:17 (Italy) in region 1 km W Fornace (TN)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 1 km W Fornace (TN), on

  • 18-05-2023 10:47:17 (UTC)
  • 18-05-2023 12:47:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1230, 11.1900 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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
Fornace TN 1 1355 1355
Albiano TN 3 1514 2869
Lona-Lases TN 4 890 3759
Civezzano TN 4 4002 7761
Baselga di Pinè TN 4 5031 12792
Giovo TN 5 2513 15305
Lavis TN 6 8915 24220
Cembra Lisignago TN 6 2364 26584
Altavalle TN 8 1648 28232
Zambana TN 8 1733 29965
Trento TN 8 117317 147282
Nave San Rocco TN 8 1398 148680
Pergine Valsugana TN 8 21280 169960
Faedo TN 8 616 170576
Sant'Orsola Terme TN 9 1098 171674
San Michele all'Adige TN 9 3042 174716
Frassilongo TN 9 338 175054
Segonzano TN 9 1505 176559
Bedollo TN 10 1483 178042
Fierozzo TN 10 469 178511
Vignola-Falesina TN 11 162 178673
Fai della Paganella TN 11 894 179567
Mezzocorona TN 12 5446 185013
Mezzolombardo TN 13 7067 192080
Palù del Fersina TN 13 173 192253
Altopiano della Vigolana TN 13 4942 197195
Salorno BZ 13 3758 200953
Tenna TN 13 993 201946
Calceranica al Lago TN 14 1387 203333
Cavedago TN 14 517 203850
Roverè della Luna TN 14 1636 205486
Sover TN 15 838 206324
Andalo TN 15 1076 207400
Levico Terme TN 15 7915 215315
Spormaggiore TN 15 1289 216604
Garniga Terme TN 15 388 216992
Vallelaghi TN 16 5044 222036
Caldonazzo TN 16 3631 225667
Cortina sulla strada del vino BZ 17 642 226309
Molveno TN 17 1134 227443
Novaledo TN 18 1076 228519
Sporminore TN 18 700 229219
Ton TN 18 1338 230557
Aldeno TN 18 3059 233616
Magrè sulla strada del vino BZ 18 1279 234895
Valfloriana TN 18 504 235399
Cimone TN 19 728 236127
Roncegno Terme TN 19 2879 239006
Campodenno TN 19 1500 240506
Madruzzo TN 19 2884 243390
Capriana TN 20 588 243978
Denno TN 20 1297 245275
Ronchi Valsugana TN 20 434 245709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NE of Trento (117317 inhabitants)
44 Km SW of Bolzano (106441 inhabitants)
70 Km NW of Vicenza (112953 inhabitants)
78 Km N of Verona (258765 inhabitants)
96 Km NW of Padova (210401 inhabitants)
96 Km NW of Treviso (83731 inhabitants)
99 Km NE of Brescia (196480 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 0.9 2023-05-18
10:47:17
46.1233 11.1897 10 2023-05-18
10:51:29
Sala Sismica INGV-Roma 117447191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-18 10:47:17 ± 0.03
Latitude 46.1233 ± 0.0027
Longitude 11.1897 ± 0.0026
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 117447191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 282
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 117447191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-18 10:51:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROVR.HHZ. 2023-05-18T10:47:27.26 1.0 undecidable manual P 190 53.6019 50 0.39 22
ST.CARE.EHZ. 2023-05-18T10:47:26.58 1.0 undecidable manual P 312 50.616 50 0.17 23
IV.MABI.HHZ. 2023-05-18T10:47:26.47 3.0 positive manual P -0.58 0
SI.LUSI.HHZ. 2023-05-18T10:47:26.70 0.6 undecidable manual S 226 26.2515 50 -0.06 49
IV.CTI.HHE. 2023-05-18T10:47:24.15 0.3 undecidable manual P 103 36.3414 50 -0.06 72
ST.GAGG.HHZ. 2023-05-18T10:47:24.24 0.3 undecidable manual S 256 18.2706 118 -0.02 75
SI.KOSI.HHE. 2023-05-18T10:47:24.90 0.6 undecidable manual P 21 40.3263 50 0.07 47
ST.OZOL.EHZ. 2023-05-18T10:47:23.61 0.3 undecidable manual P 341 32.8449 50 -0.07 72
ST.ZIAN.EHZ. 2023-05-18T10:47:23.64 3.0 positive manual P 0.24 0
SI.LUSI.HHZ. 2023-05-18T10:47:22.67 0.6 negative manual P 226 26.2515 50 0.02 49
ST.PANI.EHZ. 2023-05-18T10:47:22.92 0.3 undecidable manual S 126 13.7751 126 0 76
ST.DOSS.HNE. 2023-05-18T10:47:22.72 0.3 undecidable manual P 180 26.8509 50 -0.04 73
ST.GAGG.HHZ. 2023-05-18T10:47:21.21 0.1 undecidable manual P 256 18.2706 118 0 100
ST.PANI.EHZ. 2023-05-18T10:47:20.44 0.3 undecidable manual P 126 13.7751 126 0.01 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.GAGG.HHE. ML:0.7 0.00003850000000000001 0.44 AML other m 2023-05-18T10:47:24.22
ST.GAGG.HHN. ML:0.8 0.000044200000000000004 0.92 AML other m 2023-05-18T10:47:26.71
SI.LUSI.HHN. ML:1.1 0.00007175000000000001 0.96 AML other m 2023-05-18T10:47:28.10
SI.LUSI.HHE. ML:1.0 0.0000479 1.58 AML other m 2023-05-18T10:47:28.12
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