Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 18-03-2021 and time 11:09:37 (UTC) in region 2 km NW Cembra Lisignago (TN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 2 km NW Cembra Lisignago (TN), on

  • 18-03-2021 11:09:37 (UTC)
  • 18-03-2021 12:09:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1880, 11.2080 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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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
Cembra Lisignago TN 2 2364 2364
Altavalle TN 2 1648 4012
Faedo TN 4 616 4628
Segonzano TN 4 1505 6133
Lona-Lases TN 5 890 7023
Albiano TN 5 1514 8537
Giovo TN 5 2513 11050
San Michele all'Adige TN 6 3042 14092
Salorno BZ 6 3758 17850
Baselga di Pinè TN 7 5031 22881
Mezzocorona TN 8 5446 28327
Roverè della Luna TN 8 1636 29963
Fornace TN 8 1355 31318
Bedollo TN 8 1483 32801
Nave San Rocco TN 8 1398 34199
Lavis TN 9 8915 43114
Sover TN 9 838 43952
Cortina sulla strada del vino BZ 9 642 44594
Zambana TN 9 1733 46327
Mezzolombardo TN 10 7067 53394
Fai della Paganella TN 11 894 54288
Civezzano TN 11 4002 58290
Magrè sulla strada del vino BZ 11 1279 59569
Sant'Orsola Terme TN 11 1098 60667
Fierozzo TN 12 469 61136
Valfloriana TN 13 504 61640
Spormaggiore TN 13 1289 62929
Ton TN 13 1338 64267
Palù del Fersina TN 13 173 64440
Frassilongo TN 13 338 64778
Capriana TN 13 588 65366
Cavedago TN 14 517 65883
Cortaccia sulla strada del vino BZ 14 2225 68108
Pergine Valsugana TN 14 21280 89388
Sporminore TN 15 700 90088
Trento TN 15 117317 207405
Egna BZ 15 5232 212637
Denno TN 15 1297 213934
Campodenno TN 16 1500 215434
Andalo TN 16 1076 216510
Anterivo BZ 16 395 216905
Vignola-Falesina TN 17 162 217067
Contà TN 17 1454 218521
Termeno sulla strada del vino BZ 17 3348 221869
Montagna BZ 18 1641 223510
Sfruz TN 18 334 223844
Predaia TN 19 6655 230499
Trodena nel parco naturale BZ 19 1026 231525
Molveno TN 19 1134 232659
Ora BZ 19 3648 236307
Tenna TN 20 993 237300

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Trento (117317 inhabitants)
37 Km SW of Bolzano (106441 inhabitants)
76 Km NW of Vicenza (112953 inhabitants)
85 Km N of Verona (258765 inhabitants)
99 Km NW of Treviso (83731 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 0.8 2021-03-18
11:09:37		 46.1878 11.2082 1 2021-07-12
16:55:08		 Bollettino Sismico Italiano INGV 89370431
Reviewed
Rev100 		ML 0.9 2021-03-18
11:09:37		 46.188 11.2068 9 2021-03-18
11:29:07		 Sala Sismica INGV-Roma 88254321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-18 11:09:37 ± 0.11
Latitude 46.1878 ± 0.0063
Longitude 11.2082 ± 0.0130
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 89370431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1020
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 89370431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 19:43:18

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 88254321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-18 11:29:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2021-03-18T11:11:44.13 3.0 undecidable manual Sn 1.44 0
CR.ZAG.BHZ. 2021-03-18T11:11:31.60 3.0 undecidable manual Sg 20.610001 0
TV.SF04.EHZ. 2021-03-18T11:11:22.59 3.0 undecidable manual Sg 11.44 0
IV.FDMO.HHZ. 2021-03-18T11:11:20.54 3.0 undecidable manual Sg 7.89 0
IV.PIEI.HHZ. 2021-03-18T11:10:57.78 3.0 undecidable manual Sn 0.05 0
IV.LRP.EHZ. 2021-03-18T11:10:50.74 3.0 negative manual Pn 0.19 0
IT.SULP.HGZ. 2021-03-18T11:10:47.60 3.0 negative manual Pn 1.28 0
IV.MAGO.CHZ. 2021-03-18T11:10:30.94 3.0 undecidable manual Pg 6.73 0
IV.LMD.HHZ. 2021-03-18T11:10:12.84 3.0 undecidable manual Pn -0.43 0
IV.BRSN.EHZ. 2021-03-18T11:10:11.70 3.0 positive manual Pn 0.31 0
OX.CIMO.HHZ. 2021-03-18T11:09:56.93 3.0 negative manual P 1.84 0
OX.VARN.HHZ. 2021-03-18T11:09:51.36 3.0 undecidable manual P 0.21 0
IV.BRES.EHZ. 2021-03-18T11:09:50.38 0.1 undecidable manual P 35 69.4749 50 -0.61 82
IV.BRMO.HHZ. 2021-03-18T11:09:50.59 3.0 positive manual P 0 0
OX.CGRP.HHZ. 2021-03-18T11:09:48.60 0.3 undecidable manual P 126 57.1983 90 -0.36 67
ST.RONC.EHZ. 2021-03-18T11:09:47.64 3.0 negative manual P 0.54 0
IV.MABI.HHZ. 2021-03-18T11:09:47.78 3.0 negative manual P -0.11 0
ST.VARA.EHZ. 2021-03-18T11:09:46.53 0.3 undecidable manual P 211 46.7199 91 -0.34 69
ST.DOSS.HHZ. 2021-03-18T11:09:44.27 0.3 undecidable manual P 183 34.0437 91 -0.06 75
IV.APPI.EHZ. 2021-03-18T11:09:44.03 0.1 undecidable manual P 3 32.3454 91 0.05 100
SI.KOSI.HHZ. 2021-03-18T11:09:44.30 0.3 undecidable manual P 23 33.1446 91 0.15 73
SI.LUSI.HHZ. 2021-03-18T11:09:43.90 0.3 undecidable manual P 219 32.4453 91 -0.12 74
ST.ZIAN.EHZ. 2021-03-18T11:09:43.57 0.3 undecidable manual P 70 28.9488 91 0.26 72
ST.OZOL.EHZ. 2021-03-18T11:09:43.04 0.3 undecidable manual P 334 26.8509 91 0.16 74
ST.GAGG.HHZ. 2021-03-18T11:09:42.26 0.3 undecidable manual P 239 22.3554 91 0.27 73
ST.PANI.EHZ. 2021-03-18T11:09:41.60 0.1 undecidable manual P 148 18.0708 92 0.47 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:0.7 0.000047655130000000006 0.16 AML other m 2021-03-18T11:09:44.74
ST.PANI.EHN. ML:0.9 0.00007526046 0.1984 AML other m 2021-03-18T11:09:44.96
ST.ZIAN.EHN. ML:0.8 0.000037061175 1.1392 AML other m 2021-03-18T11:09:46.25
ST.GAGG.HNN. ML:0.9 0.00005557945 0.3584 AML other m 2021-03-18T11:09:48.19
ST.ZIAN.EHE. ML:0.9 0.00004735486 0.1792 AML other m 2021-03-18T11:09:48.07
SI.KOSI.HHN. ML:0.7 0.000026573829999999998 0.7776 AML other m 2021-03-18T11:09:48.22
ST.GAGG.HNE. ML:0.9 0.000060366465 1.5584 AML other m 2021-03-18T11:09:49.11
SI.LUSI.HHE. ML:0.8 0.000028813220000000002 0.5984 AML other m 2021-03-18T11:09:49.19
SI.KOSI.HHE. ML:0.6 0.000020637102 0.1856 AML other m 2021-03-18T11:09:49.51
SI.LUSI.HHN. ML:0.9 0.00004071461499999999 0.4224 AML other m 2021-03-18T11:09:49.71
ST.DOSS.HHE. ML:0.8 0.0000287945 0.72 AML other m 2021-03-18T11:09:49.44
ST.DOSS.HHN. ML:1.1 0.000047693805 0.256 AML other m 2021-03-18T11:09:50.15
IV.APPI.EHE. ML:0.7 0.00002395 1.32 AML other m 2021-03-18T11:09:51.23
IV.APPI.EHN. ML:0.8 0.000030799999999999996 0.82 AML other m 2021-03-18T11:09:54.47
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