Earthquake with magnitude of ML 1.3 on date 20-01-2024 and time 18:20:10 (Italy) in region 3 km SW Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Norcia (PG), on

  • 20-01-2024 17:20:10 (UTC)
  • 20-01-2024 18:20:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7680, 13.0770 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 3 4957 4957
Cascia PG 8 3217 8174
Preci PG 13 724 8898
Poggiodomo PG 13 117 9015
Cerreto di Spoleto PG 14 1075 10090
Castelsantangelo sul Nera MC 16 281 10371
Accumoli RI 16 667 11038
Monteleone di Spoleto PG 16 599 11637
Vallo di Nera PG 17 364 12001
Arquata del Tronto AP 18 1178 13179
Cittareale RI 18 482 13661
Visso MC 18 1107 14768
Sellano PG 18 1079 15847
Sant'Anatolia di Narco PG 20 564 16411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
99 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 1.3 2024-01-20
17:20:10
42.7683 13.0768 10 2024-01-20
17:32:04
Sala Sismica INGV-Roma 124767791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-20 17:20:10 ± 0.04
Latitude 42.7683 ± 0.0018
Longitude 13.0768 ± 0.0025
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 124767791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 124767791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-20 17:32:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHE. 2024-01-20T17:20:25.44 0.6 undecidable manual S 312 45.621 50 0.06 47
IV.CSP1.EHZ. 2024-01-20T17:20:23.22 0.6 undecidable manual S 16 37.3293 50 0.04 48
IV.CESI.HHZ. 2024-01-20T17:20:21.27 0.3 undecidable manual S 332 29.748 50 0.12 71
IV.FDMO.HHZ. 2024-01-20T17:20:21.03 0.3 undecidable manual S 2 29.748 50 -0.12 71
IV.RM33.EHZ. 2024-01-20T17:20:21.24 0.3 undecidable manual S 159 30.8469 50 -0.21 70
IV.SMA1.EHZ. 2024-01-20T17:20:20.81 0.3 undecidable manual S 126 26.0517 50 0.65 62
IT.MTCL.HGE. 2024-01-20T17:20:19.78 0.3 undecidable manual S 346 25.752 50 -0.31 69
IV.MMO1.EHZ. 2024-01-20T17:20:19.77 0.3 undecidable manual S 54 24.9528 50 -0.11 72
IV.MTRA.HNE. 2024-01-20T17:20:19.96 0.3 undecidable manual S 93 26.0517 50 -0.21 70
IV.ASSB.HHE. 2024-01-20T17:20:18.98 0.3 undecidable manual P 312 45.621 50 -0.15 69
7F.SIB1.EHE. 2024-01-20T17:20:18.83 0.6 undecidable manual S 48 21.0678 116 0.09 48
7F.SIB2.EHE. 2024-01-20T17:20:18.99 0.3 undecidable manual S 54 22.9548 114 -0.34 69
IV.CSP1.EHZ. 2024-01-20T17:20:18.08 0.3 undecidable manual P 16 37.3293 50 0.22 69
7F.SIB3.EHE. 2024-01-20T17:20:18.04 0.1 undecidable manual S 53 19.6692 118 -0.27 94
IV.MC2.EHE. 2024-01-20T17:20:18.22 0.3 undecidable manual S 30 18.2706 119 0.33 69
IV.LNSS.HHZ. 2024-01-20T17:20:17.71 0.6 undecidable manual S 189 18.5703 119 -0.27 47
IV.ARRO.EHE. 2024-01-20T17:20:17.22 0.3 undecidable manual P 231 32.9448 50 0.04 72
IV.GAVE.EHZ. 2024-01-20T17:20:17.37 0.3 undecidable manual S 240 17.0718 121 -0.16 72
IV.SMA1.EHZ. 2024-01-20T17:20:16.28 0.1 undecidable manual P 126 26.0517 50 0.17 95
IV.FDMO.HHZ. 2024-01-20T17:20:16.69 0.1 undecidable manual P 2 29.748 50 0 97
IV.RM33.EHZ. 2024-01-20T17:20:16.65 0.1 undecidable manual P 159 30.8469 50 -0.21 93
IV.MTRA.HNE. 2024-01-20T17:20:16.07 0.3 undecidable manual P 93 26.0517 50 -0.05 73
ZO.PDN12.EHE. 2024-01-20T17:20:16.64 0.3 undecidable manual S 294 14.2746 126 -0.06 74
IV.CESI.HHZ. 2024-01-20T17:20:16.74 0.3 undecidable manual P 332 29.748 50 0.05 72
IT.MTCL.HGE. 2024-01-20T17:20:16.05 0.1 undecidable manual P 346 25.752 50 -0.03 97
7F.SIB1.EHE. 2024-01-20T17:20:15.41 0.3 undecidable manual P 48 21.0678 116 0.12 72
7F.SIB2.EHE. 2024-01-20T17:20:15.59 0.3 undecidable manual P 54 22.9548 114 -0.04 73
7F.SIB3.EHE. 2024-01-20T17:20:15.09 0.1 undecidable manual P 53 19.6692 118 0.04 98
IV.MC2.EHE. 2024-01-20T17:20:15.16 0.3 undecidable manual P 30 18.2706 119 0.36 69
IV.MMO1.EHZ. 2024-01-20T17:20:15.94 0.3 undecidable manual P 54 24.9528 50 -0.01 73
IV.GAVE.EHZ. 2024-01-20T17:20:14.71 0.3 undecidable manual P 240 17.0718 121 0.11 73
IV.LNSS.HHZ. 2024-01-20T17:20:14.87 0.1 undecidable manual P 189 18.5703 119 0.02 99
IV.NRCA.HNZ. 2024-01-20T17:20:14.91 0.1 undecidable manual S 23 7.881 143 -0.19 97
ZO.PDN12.EHE. 2024-01-20T17:20:14.25 0.1 undecidable manual P 294 14.2746 126 0.13 97
IV.NRCA.HNZ. 2024-01-20T17:20:13.37 0.1 undecidable manual P 23 7.881 143 0.18 97
ZO.PDN11.EHE. 2024-01-20T17:20:12.89 0.1 undecidable manual P 64 3.8961 159 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.0007165 1.84 AML other m 2024-01-20T17:20:15.02
IV.NRCA.HHE. ML:1.5 0.000489 0.18 AML other m 2024-01-20T17:20:15.01
IV.GAVE.EHN. ML:1.5 0.0002544605 0.1024 AML other m 2024-01-20T17:20:17.97
IV.GAVE.EHE. ML:1.5 0.00028100000000000005 0.94 AML other m 2024-01-20T17:20:17.80
IV.LNSS.HHE. ML:1.2 0.000120084185 0.1024 AML other m 2024-01-20T17:20:19.08
IV.LNSS.HHN. ML:1.0 0.00008329444 0.2048 AML other m 2024-01-20T17:20:20.54
IV.NRCA.HNE. ML:1.6 0.00051101135 0.192 AML other m 2024-01-20T17:20:15.11
IV.NRCA.HNN. ML:1.7 0.0006484218000000001 0.1536 AML other m 2024-01-20T17:20:15.02
IV.GAVE.HNE. ML:1.5 0.00027412125 0.1152 AML other m 2024-01-20T17:20:17.80
IV.MMO1.EHE. ML:1.2 0.00009889980500000001 0.2688 AML other m 2024-01-20T17:20:20.43
IV.MMO1.EHN. ML:1.1 0.00008014429 0.5376 AML other m 2024-01-20T17:20:20.60
IV.SMA1.EHE. ML:1.2 0.00008850629 0.4608 AML other m 2024-01-20T17:20:23.48
IV.SMA1.EHN. ML:1.0 0.0000587393455 0.1152 AML other m 2024-01-20T17:20:21.13
IV.RM33.EHE. ML:0.9 0.000039858924999999994 0.1664 AML other m 2024-01-20T17:20:23.60
IV.RM33.EHN. ML:1.1 0.000057301845000000004 0.256 AML other m 2024-01-20T17:20:21.56
IV.CESI.HHE. ML:1.0 0.00004967933 0.1536 AML other m 2024-01-20T17:20:21.79
IV.CESI.HHN. ML:1.2 0.00007307106 0.1792 AML other m 2024-01-20T17:20:21.90
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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