Earthquake with magnitude of ML 1.4 on date 23-07-2022 and time 20:43:41 (UTC) in region 4 km E Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on

  • 23-07-2022 20:43:41 (UTC)
  • 23-07-2022 22:43:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.1370 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 4 4957 4957
Castelsantangelo sul Nera MC 12 281 5238
Cascia PG 13 3217 8455
Preci PG 13 724 9179
Arquata del Tronto AP 13 1178 10357
Accumoli RI 14 667 11024
Visso MC 16 1107 12131
Montegallo AP 17 523 12654
Ussita MC 17 444 13098
Cerreto di Spoleto PG 18 1075 14173
Poggiodomo PG 18 117 14290
Cittareale RI 19 482 14772
Montemonaco AP 20 604 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km NW 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
Reviewed
Rev100
ML 1.4 2022-07-23
20:43:41
42.7882 13.1368 10 2022-07-23
21:02:05
Sala Sismica INGV-Roma 107619071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-23 20:43:41 ± 0.05
Latitude 42.7882 ± 0.0036
Longitude 13.1368 ± 0.0049
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 107619071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
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 34
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 107619071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-23 21:02:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2022-07-23T20:45:31.79 3.0 undecidable manual Sg 12.08 0
IV.CMPR.HHZ. 2022-07-23T20:45:04.37 3.0 undecidable manual Sg 5.86 0
IV.HCRL.HHZ. 2022-07-23T20:45:01.70 3.0 undecidable manual Pg 5.87 0
OT.OT17.EHZ. 2022-07-23T20:44:44.31 3.0 undecidable manual Sg 4.35 0
IV.GIZZ.HHZ. 2022-07-23T20:44:37.17 3.0 positive manual Pn -3.91 0
IT.GNV.HGZ. 2022-07-23T20:44:23.05 3.0 positive manual Pn -2.42 0
GU.GSCL.HHZ. 2022-07-23T20:44:14.22 3.0 positive manual Pn 1.54 0
IV.CESI.HHZ. 2022-07-23T20:43:51.73 0.6 undecidable manual S 322 30.5472 50 -0.16 48
IV.FDMO.HHZ. 2022-07-23T20:43:50.89 0.6 undecidable manual S 352 27.8499 50 -0.27 47
IV.MNTT.EHZ. 2022-07-23T20:43:50.80 0.3 undecidable manual P 51 48.1185 50 0.81 57
IV.CESX.HHZ. 2022-07-23T20:43:50.60 0.3 undecidable manual P 246 49.1175 50 0.46 65
IV.MTRA.EHZ. 2022-07-23T20:43:49.12 0.6 undecidable manual S 99 21.4674 115 -0.09 49
IV.LNSS.HHZ. 2022-07-23T20:43:49.42 0.6 undecidable manual S 201 21.9669 114 0.03 50
IV.GAVE.EHZ. 2022-07-23T20:43:49.51 0.3 undecidable manual S 242 22.4553 114 -0.03 75
IV.GUMA.HHZ. 2022-07-23T20:43:48.08 0.3 undecidable manual P 28 34.4433 50 0.19 71
IV.TERO.HHZ. 2022-07-23T20:43:48.93 0.1 undecidable manual P 116 42.2244 50 -0.17 94
IV.MF5.EHZ. 2022-07-23T20:43:48.20 0.3 undecidable manual P 50 34.3434 50 0.33 69
IV.ARRO.EHZ. 2022-07-23T20:43:48.30 0.3 undecidable manual P 233 38.1285 50 -0.16 71
IV.MMO1.EHZ. 2022-07-23T20:43:48.55 0.6 undecidable manual S 51 19.7691 117 -0.14 49
IV.MML1.EHZ. 2022-07-23T20:43:48.44 0.1 undecidable manual P 340 38.5281 50 -0.08 96
IV.RM33.EHZ. 2022-07-23T20:43:47.40 0.3 undecidable manual P 168 31.6461 50 -0.05 73
IV.CESI.HHZ. 2022-07-23T20:43:47.17 0.3 undecidable manual P 322 30.5472 50 -0.12 72
IV.CAMP.HHZ. 2022-07-23T20:43:47.85 0.3 undecidable manual P 141 35.742 50 -0.24 70
IV.CSP1.EHZ. 2022-07-23T20:43:47.73 0.3 undecidable manual P 9 34.1436 50 -0.12 72
IV.FDMO.HHZ. 2022-07-23T20:43:46.67 0.3 undecidable manual P 352 27.8499 50 -0.2 72
IV.MC2.EHZ. 2022-07-23T20:43:46.87 0.3 undecidable manual S 17 14.2746 125 -0.19 73
IV.MMO1.EHZ. 2022-07-23T20:43:45.40 0.3 undecidable manual P 51 19.7691 117 -0.05 75
IV.GAVE.EHZ. 2022-07-23T20:43:45.95 0.1 undecidable manual P 242 22.4553 114 0.02 100
IV.MTRA.EHZ. 2022-07-23T20:43:45.61 0.3 undecidable manual P 99 21.4674 115 -0.14 73
IV.LNSS.HHZ. 2022-07-23T20:43:45.86 0.3 undecidable manual P 201 21.9669 114 0.01 75
IV.VIVA.HHZ. 2022-07-23T20:43:44.51 3.0 negative manual P -3.91 0
IV.NRCA.HHZ. 2022-07-23T20:43:44.85 0.6 undecidable manual S 340 5.3946 152 -0.08 51
IV.MC2.EHZ. 2022-07-23T20:43:44.78 0.1 undecidable manual P 17 14.2746 125 0.28 96
IV.NRCA.HHZ. 2022-07-23T20:43:43.47 0.3 undecidable manual P 340 5.3946 152 0.19 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHN. ML:2.0 0.0009845 0.2 AML other m 2022-07-23T20:43:48.60
IV.MMO1.EHN. ML:1.5 0.0002393282 0.128 AML other m 2022-07-23T20:43:49.45
IV.MC2.EHE. ML:1.9 0.0007529858999999999 0.3712 AML other m 2022-07-23T20:43:48.97
IV.MMO1.EHE. ML:1.4 0.00020144995 0.2048 AML other m 2022-07-23T20:43:49.86
IV.MTRA.EHN. ML:1.4 0.00018467395 0.1536 AML other m 2022-07-23T20:43:49.59
IV.LNSS.HHN. ML:1.6 0.0002947934 0.1536 AML other m 2022-07-23T20:43:49.80
IV.MTRA.EHE. ML:1.4 0.00015280055 0.1408 AML other m 2022-07-23T20:43:50.06
IV.GAVE.EHE. ML:1.7 0.00030076185 0.1408 AML other m 2022-07-23T20:43:50.21
IV.GAVE.EHN. ML:1.5 0.0002130466 0.1408 AML other m 2022-07-23T20:43:50.05
IV.LNSS.HHE. ML:1.7 0.00033361875 0.1152 AML other m 2022-07-23T20:43:50.09
IV.CESI.HHN. ML:1.4 0.00011128345 0.1792 AML other m 2022-07-23T20:43:53.47
IV.CESI.HHE. ML:1.1 0.00006538167000000001 0.1408 AML other m 2022-07-23T20:43:52.36
IV.FDMO.HHN. ML:0.0 0.0000747 0.26 AML other m 2022-07-23T20:43:52.01
IV.FDMO.HHE. ML:0.0 0.0000665 0.7 AML other m 2022-07-23T20:43:52.61
IV.RM33.EHN. ML:0.9 0.000037473 0.1024 AML other m 2022-07-23T20:43:53.78
IV.RM33.EHE. ML:1.0 0.000046899999999999995 1.04 AML other m 2022-07-23T20:43:53.10
IV.MF5.EHN. ML:1.2 0.00005865 1.64 AML other m 2022-07-23T20:43:54.06
IV.TERO.HHN. ML:1.3 0.000059821479999999995 0.1408 AML other m 2022-07-23T20:43:55.32
IV.TERO.HHE. ML:1.2 0.000046857015 0.128 AML other m 2022-07-23T20:43:55.58
IV.GUMA.HHN. ML:1.6 0.00015900000000000002 0.46 AML other m 2022-07-23T20:43:55.98
IV.GUMA.HHE. ML:1.6 0.000178 0.42 AML other m 2022-07-23T20:43:56.78
IV.MF5.EHE. ML:1.0 0.00003992385 0.2176 AML other m 2022-07-23T20:43:54.52
IV.MTRA.HNE. ML:1.3 0.00014946808 0.1408 AML other m 2022-07-23T20:43:49.99
IV.MTRA.HNN. ML:1.5 0.00022351445 0.2688 AML other m 2022-07-23T20:43:49.89
IV.LNSS.HNE. ML:1.7 0.00030364515 0.1024 AML other m 2022-07-23T20:43:49.70
IV.LNSS.HNN. ML:1.6 0.0002630321 0.128 AML other m 2022-07-23T20:43:49.87
IV.GAVE.HNE. ML:1.6 0.00028397175 0.1408 AML other m 2022-07-23T20:43:50.21
IV.CSP1.EHE. ML:1.3 0.00009195981000000001 0.1152 AML other m 2022-07-23T20:43:54.24
IV.CSP1.EHN. ML:1.5 0.00013002001 0.128 AML other m 2022-07-23T20:43:54.02
IV.GUMA.HNE. ML:1.6 0.00018451285 0.3968 AML other m 2022-07-23T20:43:55.99
IV.GUMA.HNN. ML:1.7 0.00020702484999999998 0.4992 AML other m 2022-07-23T20:43:56.72
IV.MNTT.EHE. ML:1.4 0.00007059232 0.256 AML other m 2022-07-23T20:44:06.07
IV.MNTT.EHN. ML:1.4 0.00007651747 0.1536 AML other m 2022-07-23T20:44:01.09
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