Earthquake with magnitude of ML 1.6 on date 22-01-2023 and time 12:03:32 (UTC) in region 3 km NE Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 3 km NE Norcia (PG), on

  • 22-01-2023 12:03:32 (UTC)
  • 22-01-2023 13:03:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8120, 13.1120 at 10 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 3 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 13 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 17 1079 14729
Poggiodomo PG 18 117 14846
Montegallo AP 18 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 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
Bulletin
Rev1000
ML 1.6 2023-01-22
12:03:32
42.8123 13.1125 10 2024-03-01
17:18:02
Bollettino Sismico Italiano INGV 116135881
Reviewed
Rev100
ML 1.6 2023-01-22
12:03:32
42.8098 13.1082 11 2023-01-22
12:12:19
Sala Sismica INGV-Roma 113731591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-22 12:03:32 ± 0.04
Latitude 42.8123 ± 0.0018
Longitude 13.1125 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116135881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 244
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.51711
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 116135881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-07 09:43:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 113731591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-22 12:12:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHN. 2023-01-22T12:03:46.73 0.6 undecidable manual S 118 45.2214 50 -0.3 45
IV.PF6.EHN. 2023-01-22T12:03:44.58 0.6 undecidable manual S 10 36.741 50 -0.18 47
IV.MF5.EHN. 2023-01-22T12:03:44.23 0.6 undecidable manual S 55 34.2435 50 0.12 47
IV.GUMA.HHZ. 2023-01-22T12:03:43.78 0.6 undecidable manual S 33 33.1446 50 -0.02 49
IV.CSP1.EHE. 2023-01-22T12:03:43.44 0.3 undecidable manual S 14 31.9458 50 -0.03 73
IV.EL6.EHZ. 2023-01-22T12:03:42.83 0.3 undecidable manual P 359 57.3981 50 0.14 68
IV.CESI.HHZ. 2023-01-22T12:03:42.17 0.3 undecidable manual S 322 27.2505 50 -0.06 73
IV.SMA1.EHZ. 2023-01-22T12:03:42.07 0.3 undecidable manual S 138 27.1506 50 -0.13 72
IV.TERO.HHN. 2023-01-22T12:03:41.06 0.3 undecidable manual P 118 45.2214 50 0.23 68
IV.LNSS.HHZ. 2023-01-22T12:03:41.24 0.6 undecidable manual S 194 23.9538 50 -0.12 48
IV.FDMO.HHZ. 2023-01-22T12:03:41.51 0.3 undecidable manual S 355 24.9528 50 -0.11 73
IV.GAVE.EHN. 2023-01-22T12:03:40.58 0.6 undecidable manual S 233 22.2555 115 -0.28 47
IT.MTCL.HGZ. 2023-01-22T12:03:40.57 0.3 undecidable manual S 336 22.1556 115 -0.26 71
IV.FEMA.HNE. 2023-01-22T12:03:39.37 0.3 undecidable manual S 343 17.3715 121 0 75
IV.MMO1.EHN. 2023-01-22T12:03:39.96 0.3 undecidable manual S 61 19.9689 117 -0.18 72
7F.SIB2.EHE. 2023-01-22T12:03:39.20 0.3 undecidable manual S 61 17.871 120 -0.31 71
IV.PF6.EHN. 2023-01-22T12:03:39.38 0.1 positive manual P 10 36.741 50 -0.13 94
IV.GUMA.HHZ. 2023-01-22T12:03:39.29 0.6 undecidable manual P 33 33.1446 50 0.33 46
IV.MF5.EHN. 2023-01-22T12:03:39.65 0.3 undecidable manual P 55 34.2435 50 0.51 65
IV.CSP1.EHE. 2023-01-22T12:03:38.76 0.1 positive manual P 14 31.9458 50 -0.01 98
IV.SMA1.EHZ. 2023-01-22T12:03:38.01 0.3 undecidable manual P 138 27.1506 50 -0.02 74
IV.CESI.HHZ. 2023-01-22T12:03:38.06 0.1 positive manual P 322 27.2505 50 0.01 98
7F.SIB1.EHE. 2023-01-22T12:03:38.78 0.3 undecidable manual S 54 15.7731 123 -0.1 74
7F.SIB3.EHN. 2023-01-22T12:03:38.32 0.3 undecidable manual S 61 14.5743 125 -0.23 72
IV.FDMO.HHZ. 2023-01-22T12:03:37.65 0.1 positive manual P 355 24.9528 50 -0.05 98
IV.MC2.EHZ. 2023-01-22T12:03:37.99 0.6 undecidable manual S 29 12.6762 129 -0.03 50
IV.GAVE.EHN. 2023-01-22T12:03:37.30 0.3 undecidable manual P 233 22.2555 115 0.04 74
IT.MTCL.HGZ. 2023-01-22T12:03:37.18 0.3 undecidable manual P 336 22.1556 115 -0.06 74
IV.LNSS.HHZ. 2023-01-22T12:03:37.49 0.1 positive manual P 194 23.9538 50 -0.06 98
IV.FEMA.HNE. 2023-01-22T12:03:36.55 0.3 undecidable manual P 343 17.3715 121 0.15 73
IV.MMO1.EHN. 2023-01-22T12:03:36.86 0.3 undecidable manual P 61 19.9689 117 0.02 75
7F.SIB2.EHE. 2023-01-22T12:03:36.47 0.1 positive manual P 61 17.871 120 -0.01 100
7F.SIB1.EHE. 2023-01-22T12:03:36.32 0.1 positive manual P 54 15.7731 123 0.2 97
IV.MC2.EHZ. 2023-01-22T12:03:35.95 0.1 positive manual P 29 12.6762 129 0.33 94
7F.SIB3.EHN. 2023-01-22T12:03:35.99 0.1 positive manual P 61 14.5743 125 0.06 100
IV.NRCA.HHZ. 2023-01-22T12:03:35.97 0.3 undecidable manual S 3 2.3976 167 -0.06 76
IV.NRCA.HHZ. 2023-01-22T12:03:34.74 0.1 negative manual P 3 2.3976 167 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.2 0.002535 0.08 AML other m 2023-01-22T12:03:36.11
IV.NRCA.HNN. ML:2.1 0.002355389 0.1728 AML other m 2023-01-22T12:03:36.11
IV.NRCA.HHE. ML:2.0 0.001985 0.7 AML other m 2023-01-22T12:03:36.13
IV.NRCA.HNE. ML:2.0 0.0016845590000000002 0.1664 AML other m 2023-01-22T12:03:36.48
IV.MC2.EHN. ML:1.7 0.00048303490000000006 0.1792 AML other m 2023-01-22T12:03:39.78
IV.MC2.EHE. ML:1.4 0.0003038946 1.8208 AML other m 2023-01-22T12:03:40.00
IV.LNSS.HHE. ML:1.4 0.0001684783 0.1216 AML other m 2023-01-22T12:03:41.98
IV.LNSS.HHN. ML:1.4 0.000146886745 0.1216 AML other m 2023-01-22T12:03:42.02
IV.CESI.HHN. ML:1.3 0.000114132775 0.2048 AML other m 2023-01-22T12:03:42.58
IV.CESI.HHE. ML:1.2 0.00008449019 0.3008 AML other m 2023-01-22T12:03:42.42
IV.GUMA.HNE. ML:1.8 0.00027008515 1.0304 AML other m 2023-01-22T12:03:49.57
IV.GUMA.HHE. ML:1.6 0.00015714315000000002 0.8384 AML other m 2023-01-22T12:03:49.18
IV.GUMA.HNN. ML:1.6 0.00018490285000000002 0.768 AML other m 2023-01-22T12:03:43.91
IV.GUMA.HHN. ML:1.6 0.00017167123 0.6784 AML other m 2023-01-22T12:03:49.15
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