Earthquake with magnitude of ML 0.8 on date 12-11-2021 and time 03:21:34 (Italy) in region 2 km NW Visso (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km NW Visso (MC), on

  • 12-11-2021 02:21:34 (UTC)
  • 12-11-2021 03:21:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9510, 13.0790 at 8 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
Visso MC 2 1107 1107
Ussita MC 5 444 1551
Monte Cavallo MC 8 145 1696
Preci PG 9 724 2420
Castelsantangelo sul Nera MC 9 281 2701
Fiordimonte MC 10 202 2903
Pieve Torina MC 11 1458 4361
Fiastra MC 12 559 4920
Acquacanina MC 12 121 5041
Pievebovigliana MC 13 866 5907
Bolognola MC 13 142 6049
Sellano PG 14 1079 7128
Muccia MC 15 915 8043
Serravalle di Chienti MC 17 1070 9113
Norcia PG 18 4957 14070
Cerreto di Spoleto PG 20 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
99 Km NE of Viterbo (67173 inhabitants)
100 Km S of Fano (60888 inhabitants)
100 Km W of Montesilvano (53738 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 0.8 2021-11-12
02:21:34
42.9508 13.0792 8 2021-11-12
02:26:41
Sala Sismica INGV-Roma 97405341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 02:21:34 ± 0.11
Latitude 42.9508 ± 0.0036
Longitude 13.0792 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97405341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 97405341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 02:26:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-11-12T02:21:46.15 0.6 undecidable manual S 82 31.1466 105 0.64 39
IV.GUMA.HHZ. 2021-11-12T02:21:43.52 0.6 undecidable manual S 59 24.1536 109 0.32 46
IV.PF6.EHZ. 2021-11-12T02:21:42.27 0.6 undecidable manual S 24 22.755 110 -0.46 44
IV.MMO1.EHZ. 2021-11-12T02:21:41.72 0.6 undecidable manual S 106 20.9679 112 -0.42 44
IV.CSP1.EHZ. 2021-11-12T02:21:41.36 0.6 undecidable manual S 33 18.6702 114 -0.05 48
IV.CESI.HHZ. 2021-11-12T02:21:40.51 0.6 undecidable manual S 293 15.3735 119 0.12 48
IV.MF5.EHZ. 2021-11-12T02:21:40.57 1.0 positive manual P 82 31.1466 105 -0.21 24
IV.MC2.EHZ. 2021-11-12T02:21:39.25 0.6 undecidable manual S 116 9.9789 130 0.42 47
IV.NRCA.HHZ. 2021-11-12T02:21:39.45 0.6 undecidable manual S 168 13.3755 122 -0.33 46
IV.GUMA.HHZ. 2021-11-12T02:21:39.60 0.1 undecidable manual P 59 24.1536 109 0.16 94
IV.CSP1.EHZ. 2021-11-12T02:21:38.39 1.0 negative manual P 33 18.6702 114 -0.02 25
IT.MTCL.HGZ. 2021-11-12T02:21:38.19 0.6 undecidable manual S 306 7.9809 136 -0.15 48
IV.MMO1.EHZ. 2021-11-12T02:21:38.62 0.6 positive manual P 106 20.9679 112 -0.21 47
IV.PF6.EHZ. 2021-11-12T02:21:38.87 0.1 undecidable manual P 24 22.755 110 -0.3 93
IV.FDMO.HHZ. 2021-11-12T02:21:38.79 0.6 undecidable manual S 4 9.4794 131 0.08 50
IV.MC2.EHZ. 2021-11-12T02:21:37.14 1.0 undecidable manual P 116 9.9789 130 0.22 24
IV.NRCA.HHZ. 2021-11-12T02:21:37.41 0.1 undecidable manual P 168 13.3755 122 -0.06 99
IV.FEMA.HNZ. 2021-11-12T02:21:37.55 0.6 undecidable manual S 297 2.6973 162 0.18 50
IV.CESI.HHZ. 2021-11-12T02:21:37.86 0.1 positive manual P 293 15.3735 119 0.04 97
IV.FDMO.HHZ. 2021-11-12T02:21:36.92 0.3 negative manual P 4 9.4794 131 0.06 74
IV.FEMA.HNZ. 2021-11-12T02:21:36.23 0.1 undecidable manual P 297 2.6973 162 0.15 99
IT.MTCL.HGZ. 2021-11-12T02:21:36.59 0.1 undecidable manual P 306 7.9809 136 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.00010555 0.14 AML other m 2021-11-12T02:21:38.91
IV.FDMO.HHN. ML:0.6 0.0000648 0.1 AML other m 2021-11-12T02:21:39.18
IV.NRCA.HHE. ML:1.0 0.00010650000000000001 0.14 AML other m 2021-11-12T02:21:39.71
IV.CESI.HHE. ML:0.8 0.00005995 0.28 AML other m 2021-11-12T02:21:40.84
IV.CESI.HHN. ML:1.0 0.00009185 0.28 AML other m 2021-11-12T02:21:40.85
IV.NRCA.HHN. ML:0.8 0.0000748 1.18 AML other m 2021-11-12T02:21:41.16
IV.MMO1.EHE. ML:0.8 0.000047 1.76 AML other m 2021-11-12T02:21:42.08
IV.MMO1.EHN. ML:0.8 0.0000477 0.18 AML other m 2021-11-12T02:21:42.57
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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