Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 01-12-2022 and time 21:48:45 (Italy) in region 5 km S Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km S Norcia (PG), on

  • 01-12-2022 20:48:45 (UTC)
  • 01-12-2022 21:48:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.0770 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 4957 4957
Cascia PG 6 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 15 724 9015
Monteleone di Spoleto PG 15 599 9614
Cerreto di Spoleto PG 15 1075 10689
Accumoli RI 15 667 11356
Cittareale RI 16 482 11838
Castelsantangelo sul Nera MC 17 281 12119
Vallo di Nera PG 18 364 12483
Arquata del Tronto AP 18 1178 13661
Sant'Anatolia di Narco PG 20 564 14225
Sellano PG 20 1079 15304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
52 Km W of Teramo (54892 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km W of Chieti (51815 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 2022-12-01
20:48:45		 42.7497 13.0773 11 2024-03-01
15:28:16		 Bollettino Sismico Italiano INGV 113776491
Reviewed
Rev100 		ML 1.5 2022-12-01
20:48:45		 42.747 13.0788 11 2022-12-01
20:54:35		 Sala Sismica INGV-Roma 112422731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-01 20:48:45 ± 0.04
Latitude 42.7497 ± 0.0018
Longitude 13.0773 ± 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 113776491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40739
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 113776491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-10 14:06:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 112422731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-01 20:54:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
1J.FX07.HHZ. 2022-12-01T20:50:12.33 3.0 undecidable manual Pg 16.42 0
1J.FX11.HHZ. 2022-12-01T20:50:03.42 3.0 positive manual Pg 12.7 0
IV.SPS2.HHZ. 2022-12-01T20:49:56.17 3.0 positive manual Pg 13.97 0
GU.CANO.HHZ. 2022-12-01T20:49:52.08 3.0 undecidable manual Sg 6.85 0
GU.TRAV.HHZ. 2022-12-01T20:49:24.86 3.0 undecidable manual Pn 2.04 0
IX.SCL3.EHZ.02 2022-12-01T20:49:24.67 3.0 negative manual Pn 2.13 0
IV.MCRV.HHZ. 2022-12-01T20:49:16.10 3.0 undecidable manual Pn -3.16 0
IV.CSP1.EHZ. 2022-12-01T20:48:58.19 0.6 undecidable manual S 15 39.3273 50 0.13 47
IV.CESI.HHZ. 2022-12-01T20:48:56.13 0.6 undecidable manual S 334 31.6461 50 0.14 47
IV.FDMO.HHZ. 2022-12-01T20:48:55.92 0.6 undecidable manual S 1 31.8459 50 -0.13 48
IV.RM33.EHZ. 2022-12-01T20:48:55.12 0.6 undecidable manual S 157 28.9488 50 -0.17 48
IV.MMO1.EHZ. 2022-12-01T20:48:54.53 0.6 undecidable manual S 51 26.2515 50 -0.03 49
IV.MTRA.HNZ. 2022-12-01T20:48:54.54 0.6 undecidable manual S 88 26.0517 50 0.04 49
IV.SMA1.EHZ. 2022-12-01T20:48:54.60 0.3 undecidable manual S 122 24.8529 50 0.41 68
7F.SIB1.EHZ. 2022-12-01T20:48:53.70 0.3 undecidable manual S 44 22.4553 50 0.15 72
IV.MC2.EHZ. 2022-12-01T20:48:53.12 0.3 undecidable manual S 27 20.0688 118 0.2 72
IV.TERO.HHZ. 2022-12-01T20:48:53.54 0.3 undecidable manual P 108 45.2214 50 0.09 70
7F.SIB2.EHZ. 2022-12-01T20:48:53.92 0.3 undecidable manual S 50 24.1536 50 -0.1 73
IV.MOMA.HNZ. 2022-12-01T20:48:53.20 0.3 undecidable manual P 278 41.7249 50 0.29 68
7F.SIB3.EHZ. 2022-12-01T20:48:52.91 0.1 undecidable manual S 48 20.9679 50 -0.25 95
IV.CSP1.EHZ. 2022-12-01T20:48:52.55 0.3 undecidable manual P 15 39.3273 50 0 72
IV.FDMO.HHZ. 2022-12-01T20:48:51.24 0.3 undecidable manual P 1 31.8459 50 -0.15 72
IV.LNSS.HHZ. 2022-12-01T20:48:51.71 0.1 undecidable manual S 191 16.5723 123 -0.15 97
IV.CESI.HHZ. 2022-12-01T20:48:51.28 0.1 undecidable manual P 334 31.6461 50 -0.07 97
IV.ARRO.EHZ. 2022-12-01T20:48:51.22 0.3 undecidable manual P 233 31.6461 50 -0.15 72
IV.SMA1.EHZ. 2022-12-01T20:48:50.24 0.3 undecidable manual P 122 24.8529 50 -0.07 74
IV.RM33.EHZ. 2022-12-01T20:48:50.89 0.3 undecidable manual P 157 28.9488 50 -0.06 73
IV.RIBO.EHZ.01 2022-12-01T20:48:50.13 3.0 undecidable manual Sn -9.99 0
IV.MMO1.EHZ. 2022-12-01T20:48:50.41 0.1 undecidable manual P 51 26.2515 50 -0.12 97
IV.MTRA.HNZ. 2022-12-01T20:48:50.61 0.3 undecidable manual P 88 26.0517 50 0.12 72
IV.NRCA.HHZ. 2022-12-01T20:48:50.00 0.1 undecidable manual S 18 9.7791 138 -0.04 100
7F.SIB2.EHZ. 2022-12-01T20:48:50.05 0.1 undecidable manual P 50 24.1536 50 -0.17 96
7F.SIB1.EHZ. 2022-12-01T20:48:49.95 0.1 undecidable manual P 44 22.4553 50 0.01 99
IV.LNSS.HHZ. 2022-12-01T20:48:49.06 0.1 positive manual P 191 16.5723 123 0.1 99
7F.SIB3.EHZ. 2022-12-01T20:48:49.58 0.1 undecidable manual P 48 20.9679 50 -0.14 97
IV.MC2.EHZ. 2022-12-01T20:48:49.64 0.1 undecidable manual P 27 20.0688 118 0.06 99
IV.NRCA.HHZ. 2022-12-01T20:48:48.12 0.1 undecidable manual P 18 9.7791 138 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.00021099309999999998 0.0896 AML other m 2022-12-01T20:48:50.05
IV.NRCA.HNN. ML:1.2 0.0001997318 0.0896 AML other m 2022-12-01T20:48:50.30
IV.NRCA.HNE. ML:1.5 0.00038292150000000005 0.0768 AML other m 2022-12-01T20:48:50.33
IV.NRCA.HHE. ML:1.5 0.00041864035 0.0768 AML other m 2022-12-01T20:48:50.33
IV.RM33.HNN. ML:1.4 0.00012075154500000001 0.576 AML other m 2022-12-01T20:48:50.59
IV.LNSS.HNE. ML:1.4 0.00024098685 0.1152 AML other m 2022-12-01T20:48:52.00
IV.LNSS.HHE. ML:1.5 0.0002615 0.1 AML other m 2022-12-01T20:48:52.05
IV.LNSS.HNN. ML:1.4 0.00024029204999999999 0.1792 AML other m 2022-12-01T20:48:52.02
IV.LNSS.HHN. ML:1.5 0.000259 0.16 AML other m 2022-12-01T20:48:52.10
IV.MC2.EHE. ML:1.1 0.00008897249999999998 0.2048 AML other m 2022-12-01T20:48:53.61
IV.MC2.EHN. ML:1.4 0.00016205754999999998 0.1792 AML other m 2022-12-01T20:48:54.47
IV.MMO1.HNE. ML:2.7 0.0030862105 0.5632 AML other m 2022-12-01T20:48:55.15
IV.SMA1.EHN. ML:0.7 0.00003028331 0.1024 AML other m 2022-12-01T20:48:55.18
IV.SMA1.EHE. ML:0.6 0.00002642067 0.4608 AML other m 2022-12-01T20:48:55.50
IV.RM33.HNE. ML:1.2 0.00007743744 0.4736 AML other m 2022-12-01T20:48:55.29
IV.MMO1.HNN. ML:3.0 0.0060878045 0.6656 AML other m 2022-12-01T20:48:55.65
IV.MMO1.EHE. ML:0.8 0.0000343350295 0.1664 AML other m 2022-12-01T20:48:55.40
IV.CESI.HHE. ML:0.5 0.0000159945745 0.5632 AML other m 2022-12-01T20:48:55.76
IV.MMO1.EHN. ML:0.9 0.000039585009999999995 0.2176 AML other m 2022-12-01T20:48:55.56
IV.RM33.EHN. ML:0.6 0.000021509107 0.1152 AML other m 2022-12-01T20:48:55.54
IV.FDMO.HHN. ML:0.5 0.000015227015 0.1408 AML other m 2022-12-01T20:48:56.81
IV.FDMO.HHE. ML:0.6 0.00001915652 0.1792 AML other m 2022-12-01T20:48:56.82
IV.ARRO.EHE. ML:0.5 0.000016307297500000002 0.1792 AML other m 2022-12-01T20:48:58.43
IV.CESI.HNN. ML:1.5 0.00014886105 0.64 AML other m 2022-12-01T20:48:58.89
IV.RM33.EHE. ML:0.8 0.000028784265 0.7936 AML other m 2022-12-01T20:49:01.73
IV.ARRO.EHN. ML:0.5 0.00001412112 0.2176 AML other m 2022-12-01T20:49:02.21
IV.CESI.HNE. ML:1.3 0.00009320151 0.576 AML other m 2022-12-01T20:49:02.96
IV.CESI.HHN. ML:0.6 0.0000201879 0.7808 AML other m 2022-12-01T20:49:03.42
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