Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 31-10-2019 and time 11:33:47 (Italy) in region 5 km SE Sarentino (BZ)

A magnitude ML 0.8 earthquake occured in region: 5 km SE Sarentino (BZ), on

  • 31-10-2019 10:33:47 (UTC)
  • 31-10-2019 11:33:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6090, 11.3940 at 7 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
Sarentino BZ 5 7035 7035
San Genesio Atesino BZ 9 3047 10082
Renon BZ 10 7795 17877
Barbiano BZ 10 1688 19565
Ponte Gardena BZ 11 194 19759
Meltina BZ 11 1661 21420
Villandro BZ 12 1854 23274
Bolzano BZ 12 106441 129715
Cornedo all'Isarco BZ 13 3388 133103
Verano BZ 13 936 134039
Fiè allo Sciliar BZ 13 3539 137578
Laion BZ 13 2647 140225
Castelrotto BZ 14 6802 147027
Avelengo BZ 14 764 147791
Chiusa BZ 14 5220 153011
Terlano BZ 14 4365 157376
Gargazzone BZ 15 1687 159063
Postal BZ 15 1858 160921
Andriano BZ 16 1023 161944
Nalles BZ 16 1942 163886
Velturno BZ 17 2817 166703
Tesimo BZ 18 1902 168605
Scena BZ 18 2927 171532
Tires BZ 19 978 172510
Lana BZ 19 11929 184439
Merano BZ 19 39462 223901
Cermes BZ 19 1531 225432
Caines BZ 19 396 225828
Rifiano BZ 19 1310 227138
Appiano sulla strada del vino BZ 20 14775 241913

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Bolzano (106441 inhabitants)
64 Km NE of Trento (117317 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 2019-10-31
10:33:47		 46.6093 11.3942 7 2020-02-28
16:42:14		 Bollettino Sismico Italiano INGV 74765251
Reviewed
Rev100 		ML 0.8 2019-10-31
10:33:47		 46.5565 11.4407 10 2019-10-31
10:51:18		 Sala Sismica INGV-Roma 73550261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-31 10:33:47 ± 0.06
Latitude 46.6093 ± 0.0036
Longitude 11.3942 ± 0.0065
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74765251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77611
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 73550261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-31 10:51:18

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 74765251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-18 13:19:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOB.HHZ. 2019-10-31T10:34:30.11 3.0 positive manual Pg 1.38 0
IV.CAPR.HNZ. 2019-10-31T10:34:17.13 3.0 undecidable manual P 0.56 0
CH.FUORN.HHN. 2019-10-31T10:34:02.87 0.3 undecidable manual P 271 86.1471 50 -0.06 66
OE.WTTA.HHZ. 2019-10-31T10:34:01.55 0.1 undecidable manual P 14 74.8695 50 0.36 84
SI.ROSI.HHZ. 2019-10-31T10:33:59.92 0.6 undecidable manual S 2 35.4423 101 -0.26 46
ST.CARE.EHZ. 2019-10-31T10:33:58.41 0.3 undecidable manual P 249 57.1983 50 -0.05 69
IV.BRES.EHZ. 2019-10-31T10:33:57.61 0.6 undecidable manual S 69 27.75 104 0.02 49
IT.VALS.HNZ. 2019-10-31T10:33:56.00 0.3 undecidable manual P 134 43.2234 50 -0.32 67
ST.ZIAN.EHE. 2019-10-31T10:33:55.69 0.3 undecidable manual P 161 39.1275 100 0.05 72
SI.ROSI.HHZ. 2019-10-31T10:33:54.85 0.1 undecidable manual P 2 35.4423 101 -0.05 96
IV.APPI.EHZ. 2019-10-31T10:33:54.78 0.6 undecidable manual S 221 19.2696 109 0.02 50
IV.BRES.EHZ. 2019-10-31T10:33:53.42 0.1 undecidable manual P 69 27.75 104 0.02 98
IV.APPI.EHZ. 2019-10-31T10:33:51.76 0.1 undecidable manual P 221 19.2696 109 -0.01 100
SI.BOSI.HHZ. 2019-10-31T10:33:50.89 0.3 undecidable manual P 205 13.875 116 0.11 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APPI.EHN. ML:0.9 0.00006245234 0.1408 AML other m 2019-10-31T10:33:55.24
IV.APPI.EHE. ML:0.9 0.000057898160000000005 0.1408 AML other m 2019-10-31T10:33:55.24
IV.BRES.EHE. ML:0.7 0.00002894177 1.936 AML other m 2019-10-31T10:33:58.97
IV.BRES.EHN. ML:0.7 0.000024356005 0.1216 AML other m 2019-10-31T10:33:58.82
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