Earthquake with magnitude of ML 0.9 on date 01-11-2021 and time 02:15:54 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km NE Norcia (PG), on

  • 01-11-2021 01:15:54 (UTC)
  • 01-11-2021 02:15:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1030 at 10 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
Norcia PG 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 14 1107 10286
Cerreto di Spoleto PG 15 1075 11361
Ussita MC 16 444 11805
Arquata del Tronto AP 16 1178 12983
Accumoli RI 17 667 13650
Poggiodomo PG 17 117 13767
Sellano PG 17 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 2021-11-01
01:15:54
42.8052 13.1032 10 2021-11-01
01:23:15
Sala Sismica INGV-Roma 97126741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-01 01:15:54 ± 0.05
Latitude 42.8052 ± 0.0027
Longitude 13.1032 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97126741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44606
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 97126741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-01 01:23:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2021-11-01T01:16:15.48 3.0 undecidable manual P -0.16 0
IV.CSP1.EHZ. 2021-11-01T01:16:06.15 0.6 undecidable manual S 15 32.8449 50 -0.26 47
IV.MNTT.EHZ. 2021-11-01T01:16:04.79 0.3 undecidable manual P 54 49.1175 50 0.71 59
IV.CESI.HHZ. 2021-11-01T01:16:04.81 0.6 undecidable manual S 324 27.4503 50 -0.14 48
IV.FDMO.HHZ. 2021-11-01T01:16:04.09 0.6 undecidable manual S 357 25.752 50 -0.41 46
IV.OFFI.HHZ. 2021-11-01T01:16:04.87 0.3 undecidable manual P 73 49.5171 50 0.74 59
IV.SMA1.EHZ. 2021-11-01T01:16:04.77 0.3 undecidable manual S 136 27.0507 50 -0.09 73
IV.LNSS.HHZ. 2021-11-01T01:16:03.45 0.6 undecidable manual S 193 22.9548 114 -0.23 48
IV.GAVE.EHZ. 2021-11-01T01:16:03.23 0.6 undecidable manual S 234 21.1677 116 0.14 49
IV.TERO.HHZ. 2021-11-01T01:16:03.40 0.3 undecidable manual P 116 45.5211 50 -0.13 70
IV.MML1.EHZ. 2021-11-01T01:16:02.12 0.3 undecidable manual P 343 35.8419 50 0.09 72
IV.MF5.EHZ. 2021-11-01T01:16:02.22 0.3 undecidable manual P 55 35.3424 50 0.26 69
IV.FEMA.HNZ. 2021-11-01T01:16:02.24 0.3 undecidable manual S 346 17.9709 119 0.13 74
IV.MMO1.EHZ. 2021-11-01T01:16:02.76 0.6 undecidable manual S 60 20.9679 116 -0.28 47
IV.GUMA.HHZ. 2021-11-01T01:16:01.95 0.3 undecidable manual P 33 34.2435 50 0.17 71
IV.CSP1.EHZ. 2021-11-01T01:16:01.41 0.3 undecidable manual P 15 32.8449 50 -0.16 71
IV.RM33.EHZ. 2021-11-01T01:16:01.57 0.1 undecidable manual P 165 34.0437 50 -0.19 94
IV.SMA1.EHZ. 2021-11-01T01:16:00.53 0.3 undecidable manual P 136 27.0507 50 -0.15 72
IV.CESI.HHZ. 2021-11-01T01:16:00.73 0.3 undecidable manual P 324 27.4503 50 0 74
IV.MTRA.HNZ. 2021-11-01T01:16:00.10 0.3 undecidable manual P 103 24.4533 112 -0.17 72
IV.MC2.EHZ. 2021-11-01T01:16:00.76 0.6 undecidable manual S 31 13.6752 126 -0.11 50
IV.T1299.HNZ. 2021-11-01T01:16:00.30 0.3 undecidable manual P 142 23.9538 113 0.14 73
IV.FDMO.HHZ. 2021-11-01T01:16:00.29 0.3 undecidable manual P 357 25.752 50 -0.18 72
IV.MMO1.EHZ. 2021-11-01T01:15:59.41 0.1 undecidable manual P 60 20.9679 116 -0.22 96
IV.LNSS.HHZ. 2021-11-01T01:15:59.98 0.1 undecidable manual P 193 22.9548 114 -0.02 100
IV.GAVE.EHZ. 2021-11-01T01:15:59.82 0.3 undecidable manual P 234 21.1677 116 0.17 73
IV.FEMA.HNZ. 2021-11-01T01:15:58.93 0.3 undecidable manual P 346 17.9709 119 -0.16 73
IV.NRCA.HHZ. 2021-11-01T01:15:58.55 0.3 undecidable manual S 16 3.2967 162 -0.1 76
IV.MC2.EHZ. 2021-11-01T01:15:58.55 0.3 undecidable manual P 31 13.6752 126 0.18 73
IV.NRCA.HHZ. 2021-11-01T01:15:57.25 0.1 undecidable manual P 16 3.2967 162 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.1 0.0000954 0.14 AML other m 2021-11-01T01:16:03.95
IV.FDMO.HHN. ML:0.7 0.000031213355 0.1 AML other m 2021-11-01T01:16:04.51
IV.GAVE.EHN. ML:1.0 0.0000629 0.16 AML other m 2021-11-01T01:16:04.24
IV.FDMO.HHE. ML:0.6 0.00002447309 0.18 AML other m 2021-11-01T01:16:04.24
IV.LNSS.HHN. ML:1.1 0.00007620231499999999 0.18 AML other m 2021-11-01T01:16:04.36
IV.LNSS.HHE. ML:1.1 0.00008324999999999999 0.74 AML other m 2021-11-01T01:16:04.24
IV.SMA1.EHE. ML:0.8 0.000032149999999999995 0.54 AML other m 2021-11-01T01:16:05.80
IV.SMA1.EHN. ML:0.6 0.0000209303 0.18 AML other m 2021-11-01T01:16:06.02
IV.CSP1.EHE. ML:1.1 0.000048276005 0.2 AML other m 2021-11-01T01:16:06.74
IV.CSP1.EHN. ML:1.0 0.00004075889499999999 0.16 AML other m 2021-11-01T01:16:06.51
IV.RM33.EHE. ML:0.7 0.000019210410000000002 0.18 AML other m 2021-11-01T01:16:07.29
IV.RM33.EHN. ML:0.6 0.000012925582000000001 0.08 AML other m 2021-11-01T01:16:07.45
IV.GUMA.HHE. ML:1.0 0.00004332846 0.54 AML other m 2021-11-01T01:16:11.45
IV.GUMA.HHN. ML:0.9 0.000031634 0.38 AML other m 2021-11-01T01:16:10.11
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