Earthquake with magnitude of ML 1.1 on date 14-11-2021 and time 22:45:24 (Italy) in region 2 km N Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km N Norcia (PG), on

  • 14-11-2021 21:45:24 (UTC)
  • 14-11-2021 22:45:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8070, 13.0880 at 11 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.

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 9 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 14 1107 10286
Cerreto di Spoleto PG 14 1075 11361
Ussita MC 16 444 11805
Sellano PG 16 1079 12884
Poggiodomo PG 16 117 13001
Arquata del Tronto AP 18 1178 14179
Accumoli RI 18 667 14846
Vallo di Nera PG 19 364 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
100 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
Bulletin
Rev1000
ML 1.1 2021-11-14
21:45:24
42.8072 13.0882 11 2022-03-30
13:04:37
Bollettino Sismico Italiano INGV 100883401
Reviewed
Rev100
ML 1.5 2021-11-14
21:45:24
42.8058 13.0863 11 2021-11-14
22:00:51
Sala Sismica INGV-Roma 97469271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-14 21:45:24 ± 0.06
Latitude 42.8072 ± 0.0027
Longitude 13.0882 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100883401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 315
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 30
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) 0.42088
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 100883401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 17:02:35

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 97469271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-14 22:00:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2021-11-14T21:47:04.14 3.0 undecidable manual Sg 14.66 0
IV.GIZZ.HHZ. 2021-11-14T21:46:42.90 3.0 negative manual Pg 10.74 0
IV.VITU.HHZ. 2021-11-14T21:46:23.19 3.0 undecidable manual Sn -0.21 0
OT.OT17.EHZ. 2021-11-14T21:46:23.69 3.0 undecidable manual Sn -0.05 0
OX.MARN.HHZ. 2021-11-14T21:46:21.25 3.0 undecidable manual Pg 7.7 0
MN.TRI.HHZ. 2021-11-14T21:46:18.05 3.0 undecidable manual Pg 7.77 0
IV.FIR.HHZ. 2021-11-14T21:46:17.50 3.0 undecidable manual Sn 1.17 0
IV.BOZZ.EHZ. 2021-11-14T21:46:11.93 3.0 negative manual Pn 0.37 0
IV.VVLD.HHZ. 2021-11-14T21:45:56.89 3.0 undecidable manual S -3.26 0
IV.RNI2.HHZ. 2021-11-14T21:45:49.30 3.0 undecidable manual P 0.27 0
IV.MMUR.HNZ. 2021-11-14T21:45:45.52 3.0 undecidable manual S -1.44 0
IV.TERO.HHZ. 2021-11-14T21:45:39.84 0.6 undecidable manual S 116 46.7199 50 -0.05 46
IV.MF5.EHN. 2021-11-14T21:45:38.00 0.6 undecidable manual S 56 36.2415 50 0.91 36
IV.ASSB.HHZ. 2021-11-14T21:45:38.98 0.6 undecidable manual S 307 43.623 50 -0.07 46
IV.PF6.EHN. 2021-11-14T21:45:37.37 0.6 undecidable manual S 13 37.7289 50 -0.11 46
IV.MML1.HNE. 2021-11-14T21:45:36.92 0.6 undecidable manual S 344 35.2425 50 0.09 47
IV.CSP1.EHZ. 2021-11-14T21:45:36.22 0.6 undecidable manual S 17 32.9448 50 0 48
IV.SMA1.EHZ. 2021-11-14T21:45:35.06 0.6 undecidable manual S 134 28.1496 50 0.14 47
IV.CESI.HHZ. 2021-11-14T21:45:34.48 0.6 undecidable manual S 326 26.5512 50 -0.02 48
IV.ASSB.HHZ. 2021-11-14T21:45:33.06 0.6 undecidable manual P 307 43.623 50 -0.03 47
IV.LNSS.HNZ. 2021-11-14T21:45:33.47 0.6 undecidable manual S 190 22.9548 50 -0.09 48
IV.TERO.HHZ. 2021-11-14T21:45:33.41 0.3 undecidable manual P 116 46.7199 50 -0.17 68
IV.MTRA.EHE. 2021-11-14T21:45:33.92 0.6 undecidable manual S 102 25.752 50 -0.36 45
IV.FDMO.HHZ. 2021-11-14T21:45:33.95 0.6 undecidable manual S 360 25.4523 50 -0.25 46
IV.GAVE.EHN. 2021-11-14T21:45:32.96 0.6 undecidable manual S 231 20.2686 50 0.12 48
IV.MF5.EHN. 2021-11-14T21:45:32.35 0.3 undecidable manual P 56 36.2415 50 0.39 66
IV.MMO1.EHN. 2021-11-14T21:45:32.91 0.6 undecidable manual S 62 21.9669 50 -0.37 45
IV.PF6.EHN. 2021-11-14T21:45:32.08 0.1 undecidable manual P 13 37.7289 50 -0.1 93
IV.CSP1.EHZ. 2021-11-14T21:45:31.48 0.3 undecidable manual P 17 32.9448 50 0.02 71
IV.MC2.EHZ. 2021-11-14T21:45:31.36 0.6 undecidable manual S 35 14.1747 128 0.18 48
IV.MML1.HNE. 2021-11-14T21:45:31.79 0.1 undecidable manual P 344 35.2425 50 -0.02 95
IV.MTRA.EHE. 2021-11-14T21:45:30.34 0.1 undecidable manual P 102 25.752 50 0.01 97
IV.FDMO.HHZ. 2021-11-14T21:45:30.31 0.1 undecidable manual P 360 25.4523 50 0.02 97
IV.CESI.HHZ. 2021-11-14T21:45:30.45 0.1 undecidable manual P 326 26.5512 50 -0.01 97
IV.SMA1.EHZ. 2021-11-14T21:45:30.72 0.3 undecidable manual P 134 28.1496 50 0.01 72
IV.MMO1.EHN. 2021-11-14T21:45:29.65 0.1 undecidable manual P 62 21.9669 50 -0.1 95
IV.GAVE.EHN. 2021-11-14T21:45:29.60 0.3 undecidable manual P 231 20.2686 50 0.1 72
IV.LNSS.HNZ. 2021-11-14T21:45:29.97 0.1 undecidable manual P 190 22.9548 50 0.05 96
IV.MC2.EHZ. 2021-11-14T21:45:28.67 0.1 undecidable manual P 35 14.1747 128 0.13 96
IV.NRCA.HHZ. 2021-11-14T21:45:28.59 0.6 undecidable manual S 36 3.5964 162 -0.37 47
IV.NRCA.HHZ. 2021-11-14T21:45:27.30 0.1 undecidable manual P 36 3.5964 162 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.4 0.0004205 0.12 AML other m 2021-11-14T21:45:28.70
IV.NRCA.HHN. ML:1.5 0.0005525 0.08 AML other m 2021-11-14T21:45:28.68
IV.NRCA.HNN. ML:1.5 0.0005045 0.1 AML other m 2021-11-14T21:45:28.63
IV.NRCA.HHE. ML:1.4 0.00043149999999999997 0.16 AML other m 2021-11-14T21:45:28.70
IV.MC2.EHE. ML:1.0 0.00010629374999999999 0.1408 AML other m 2021-11-14T21:45:32.76
IV.FDMO.HHN. ML:0.6 0.000025494854999999996 0.2432 AML other m 2021-11-14T21:45:34.07
IV.FDMO.HHE. ML:0.6 0.000024985999999999998 0.1024 AML other m 2021-11-14T21:45:34.39
IV.CESI.HHN. ML:1.0 0.00004796926999999999 0.32 AML other m 2021-11-14T21:45:34.71
IV.SMA1.EHE. ML:0.7 0.00002334833 0.4352 AML other m 2021-11-14T21:45:38.52
IV.SMA1.EHN. ML:0.8 0.000027616805 0.576 AML other m 2021-11-14T21:45:40.79
IV.CSP1.EHN. ML:1.1 0.000055385545 0.192 AML other m 2021-11-14T21:45:36.39
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