Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-10-2020 and time 22:34:29 (Italy) in region 11 km SW Martello (BZ)

A magnitude ML 1.1 earthquake occured in region: 11 km SW Martello (BZ), on

  • 04-10-2020 20:34:29 (UTC)
  • 04-10-2020 22:34:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4760, 10.7320 at 14 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.

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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
Martello BZ 11 869 869
Rabbi TN 13 1372 2241
Peio TN 14 1860 4101
Lasa BZ 16 3993 8094
Silandro BZ 17 6016 14110
Mezzana TN 19 895 15005
Pellizzano TN 19 794 15799
Laces BZ 19 5188 20987
Ossana TN 19 858 21845
Commezzadura TN 19 995 22840
Prato allo Stelvio BZ 19 3474 26314
Malè TN 19 2179 28493
Bresimo TN 20 252 28745
Terzolas TN 20 631 29376
Croviana TN 20 697 30073
Stelvio BZ 20 1161 31234
Vermiglio TN 20 1882 33116
Dimaro Folgarida TN 20 2208 35324

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Bolzano (106441 inhabitants)
54 Km NW 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
Reviewed
Rev100 		ML 1.1 2020-10-04
20:34:29		 46.4758 10.7322 14 2020-10-04
20:40:17		 Sala Sismica INGV-Roma 83505301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-04 20:34:29 ± 0.11
Latitude 46.4758 ± 0.0108
Longitude 10.7322 ± 0.0065
Depth (km) 14 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83505301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 675
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 83505301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-04 20:40:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CGRP.HHZ. 2020-10-04T20:34:59.62 3.0 undecidable manual S -0.78 0
ST.RONC.EHZ. 2020-10-04T20:34:47.00 0.3 undecidable manual S 189 55.5999 93 -0.15 75
SI.KOSI.HHZ. 2020-10-04T20:34:45.44 0.3 undecidable manual S 91 49.3173 94 -0.04 75
CH.FUORN.HHZ. 2020-10-04T20:34:42.56 0.3 undecidable manual S 294 39.1275 96 -0.2 73
IV.APPI.EHZ. 2020-10-04T20:34:42.02 0.1 undecidable manual S 89 37.9287 96 -0.4 94
ST.ZIAN.EHZ. 2020-10-04T20:34:42.57 3.0 undecidable manual P 0.56 0
CH.BERNI.HHZ. 2020-10-04T20:34:40.13 3.0 negative manual P 0.35 0
ST.RONC.EHZ. 2020-10-04T20:34:40.52 1.0 negative manual P 189 55.5999 93 0.7 20
IV.BRMO.HHZ. 2020-10-04T20:34:39.24 0.3 undecidable manual S 270 27.4503 100 -0.43 73
SI.KOSI.HHZ. 2020-10-04T20:34:39.44 0.6 positive manual P 91 49.3173 94 0.58 44
ST.OZOL.EHZ. 2020-10-04T20:34:38.61 0.3 undecidable manual S 108 25.752 101 -0.6 70
IV.BORM.HNE. 2020-10-04T20:34:38.89 0.3 undecidable manual S 269 27.1506 100 -0.7 67
SI.MOSI.HHZ. 2020-10-04T20:34:37.89 0.3 undecidable manual S 318 20.868 106 -0.07 78
IV.APPI.EHZ. 2020-10-04T20:34:37.46 0.3 negative manual P 89 37.9287 96 0.36 72
CH.FUORN.HHZ. 2020-10-04T20:34:37.63 0.6 negative manual P 294 39.1275 96 0.34 48
IV.BRMO.HHZ. 2020-10-04T20:34:35.72 0.1 positive manual P 270 27.4503 100 0.21 100
IV.BORM.HNE. 2020-10-04T20:34:35.67 0.1 undecidable manual P 269 27.1506 100 0.21 100
ST.OZOL.EHZ. 2020-10-04T20:34:35.39 0.6 positive manual P 108 25.752 101 0.15 51
SI.MOSI.HHZ. 2020-10-04T20:34:34.92 0.3 positive manual P 318 20.868 106 0.4 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:0.8 0.0000351 0.08 AML other m 2020-10-04T20:34:35.75
SI.MOSI.HHE. ML:1.1 0.00007644999999999999 0.4 AML other m 2020-10-04T20:34:38.14
SI.MOSI.HHN. ML:1.2 0.00011735 1.04 AML other m 2020-10-04T20:34:38.68
ST.OZOL.EHN. ML:1.2 0.00007255 0.18 AML other m 2020-10-04T20:34:38.68
IV.BRMO.HHN. ML:0.9 0.0000421 0.08 AML other m 2020-10-04T20:34:39.51
ST.OZOL.EHE. ML:1.1 0.00006835 0.58 AML other m 2020-10-04T20:34:39.77
IV.APPI.EHN. ML:1.4 0.00008755 0.54 AML other m 2020-10-04T20:34:42.10
IV.APPI.EHE. ML:1.4 0.0000814 0.1 AML other m 2020-10-04T20:34:42.21
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