Earthquake with magnitude of ML 1.0 on date 13-05-2023 and time 00:10:10 (UTC) in region 6 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km E Norcia (PG), on

  • 13-05-2023 00:10:10 (UTC)
  • 13-05-2023 02:10:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1630 at 9 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 6 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 13 724 7140
Accumoli RI 14 667 7807
Montegallo AP 15 523 8330
Visso MC 15 1107 9437
Cascia PG 15 3217 12654
Ussita MC 16 444 13098
Montemonaco AP 17 604 13702

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km NE of Tivoli (56533 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 1.0 2023-05-13
00:10:10
42.8048 13.163 9 2023-05-13
00:22:10
Sala Sismica INGV-Roma 117304241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-13 00:10:10 ± 0.04
Latitude 42.8048 ± 0.0027
Longitude 13.1630 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117304241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 117304241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 00:22:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-05-13T00:10:29.87 3.0 undecidable manual P 0
IV.GUMA.HHZ. 2023-05-13T00:10:22.57 0.1 undecidable manual S 26 31.8459 50 0.17 92
IV.CSP1.EHZ. 2023-05-13T00:10:22.24 0.1 undecidable manual S 6 32.0457 50 -0.2 96
IV.MF5.EHZ. 2023-05-13T00:10:22.74 0.1 undecidable manual S 50 31.5462 50 0.43 87
IV.CESI.HHZ. 2023-05-13T00:10:21.93 0.1 undecidable manual S 317 30.5472 106 -0.08 97
IV.SNTG.HHZ. 2023-05-13T00:10:21.03 0.3 undecidable manual P 340 53.1024 50 0.19 67
IV.FDMO.HHZ. 2023-05-13T00:10:20.60 0.1 undecidable manual S 347 26.4513 109 -0.04 97
IV.ASSB.HHZ. 2023-05-13T00:10:20.01 0.1 undecidable manual P 303 48.7179 50 -0.16 93
IV.MOMA.HHZ. 2023-05-13T00:10:20.27 0.3 undecidable manual P 270 48.2184 50 0.17 68
IV.LNSS.HHZ. 2023-05-13T00:10:20.17 0.1 undecidable manual S 204 24.5532 110 0.14 97
IV.ARRO.EHZ. 2023-05-13T00:10:19.12 0.1 undecidable manual P 232 40.9257 50 0.15 92
IV.ATCC.EHZ. 2023-05-13T00:10:19.96 3.0 positive manual P -2.25 0
IV.SMA1.EHZ. 2023-05-13T00:10:19.73 0.1 undecidable manual S 144 23.8539 110 -0.09 96
IV.TERO.HHZ. 2023-05-13T00:10:18.63 0.1 undecidable manual P 119 41.2254 50 -0.38 90
IV.CSP1.EHZ. 2023-05-13T00:10:17.40 0.1 undecidable manual P 6 32.0457 50 -0.19 95
IV.MF5.EHZ. 2023-05-13T00:10:17.73 0.1 undecidable manual P 50 31.5462 50 0.22 92
IV.RM33.EHZ. 2023-05-13T00:10:17.48 0.1 undecidable manual P 173 33.1446 50 -0.28 93
IV.MMO1.EHZ. 2023-05-13T00:10:17.48 0.1 undecidable manual S 52 16.9719 118 -0.13 96
IV.CESI.HHZ. 2023-05-13T00:10:17.25 0.1 undecidable manual P 317 30.5472 106 -0.09 97
IV.GUMA.HHZ. 2023-05-13T00:10:17.67 0.1 undecidable manual P 26 31.8459 50 0.11 94
IV.SMA1.EHZ. 2023-05-13T00:10:16.04 0.1 undecidable manual P 144 23.8539 110 -0.04 98
IV.LNSS.HHZ. 2023-05-13T00:10:16.36 0.1 undecidable manual P 204 24.5532 110 0.16 96
IV.FDMO.HHZ. 2023-05-13T00:10:16.49 0.1 undecidable manual P 347 26.4513 109 -0.06 97
IV.NRCA.HHZ. 2023-05-13T00:10:14.41 0.1 undecidable manual S 309 5.0949 150 -0.12 97
IV.MMO1.EHZ. 2023-05-13T00:10:14.83 0.1 undecidable manual P 52 16.9719 118 0.03 100
IV.NRCA.HHZ. 2023-05-13T00:10:13.29 0.1 undecidable manual P 309 5.0949 150 0.27 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.2 0.00283 0.08 AML other m 2023-05-13T00:10:14.50
IV.NRCA.HHE. ML:2.2 0.002915 0.08 AML other m 2023-05-13T00:10:14.50
IV.NRCA.HNN. ML:2.1 0.002205 0.06 AML other m 2023-05-13T00:10:14.54
IV.NRCA.HHN. ML:2.2 0.0026349999999999998 0.06 AML other m 2023-05-13T00:10:14.54
IV.MMO1.EHE. ML:1.0 0.00008005 1.44 AML other m 2023-05-13T00:10:17.82
IV.MMO1.EHN. ML:0.9 0.0000699 0.2 AML other m 2023-05-13T00:10:18.88
IV.LNSS.HHN. ML:1.3 0.000136 0.26 AML other m 2023-05-13T00:10:20.63
IV.LNSS.HHE. ML:1.1 0.0000823 0.34 AML other m 2023-05-13T00:10:20.75
IV.SMA1.EHE. ML:0.8 0.0000458 0.88 AML other m 2023-05-13T00:10:21.90
IV.FDMO.HHE. ML:0.6 0.000024599999999999998 0.8 AML other m 2023-05-13T00:10:21.63
IV.CESI.HHN. ML:1.1 0.00006375 0.2 AML other m 2023-05-13T00:10:22.36
IV.CESI.HHE. ML:0.8 0.0000317 1.3 AML other m 2023-05-13T00:10:24.12
IV.FDMO.HHN. ML:0.6 0.000023100000000000002 0.62 AML other m 2023-05-13T00:10:24.77
IV.TERO.HHN. ML:1.0 0.00003460000000000001 0.72 AML other m 2023-05-13T00:10:25.33
IV.TERO.HHE. ML:1.0 0.00002945 0.78 AML other m 2023-05-13T00:10:25.77
IV.SMA1.EHN. ML:0.8 0.00004615 0.8 AML other m 2023-05-13T00:10:25.88
IV.ASSB.HHE. ML:0.9 0.0000218 0.18 AML other m 2023-05-13T00:10:27.55
IV.ASSB.HHN. ML:0.9 0.000020799999999999997 0.18 AML other m 2023-05-13T00:10:29.10
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