Earthquake with magnitude of ML 1.1 on date 13-04-2023 and time 01:42:23 (UTC) in region 3 km E Monteleone di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km E Monteleone di Spoleto (PG), on

  • 13-04-2023 01:42:23 (UTC)
  • 13-04-2023 03:42:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6620, 12.9840 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
Monteleone di Spoleto PG 3 599 599
Cascia PG 7 3217 3816
Poggiodomo PG 7 117 3933
Leonessa RI 11 2435 6368
Scheggino PG 14 461 6829
Polino TR 14 233 7062
Sant'Anatolia di Narco PG 15 564 7626
Cittareale RI 15 482 8108
Vallo di Nera PG 16 364 8472
Ferentillo TR 16 1913 10385
Norcia PG 17 4957 15342
Posta RI 18 694 16036
Cerreto di Spoleto PG 19 1075 17111
Montefranco TR 19 1276 18387
Rivodutri RI 19 1253 19640
Poggio Bustone RI 19 2055 21695
Morro Reatino RI 19 373 22068
Arrone TR 20 2763 24831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Terni (111501 inhabitants)
40 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
76 Km N of Guidonia Montecelio (88673 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
97 Km W of Montesilvano (53738 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 1.1 2023-04-13
01:42:23
42.6617 12.9842 11 2023-04-13
02:10:10
Sala Sismica INGV-Roma 116326381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-13 01:42:23 ± 0.04
Latitude 42.6617 ± 0.0027
Longitude 12.9842 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116326381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 275
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 36
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) 0.47754
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116326381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-13 02:10:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.PDG.HHZ. 2023-04-13T01:43:38.47 3.0 undecidable manual Pg 11.36 0
IV.SICLA.EHZ. 2023-04-13T01:43:28.68 3.0 undecidable manual Pg 0.28 0
7C.SPAOL.HNZ. 2023-04-13T01:43:28.70 3.0 negative manual Pn -6.22 0
IV.SPS2.HHZ. 2023-04-13T01:43:22.35 3.0 undecidable manual Pg 2.66 0
CH.BERNI.HHZ. 2023-04-13T01:43:19.21 3.0 undecidable manual Pn -4.91 0
IV.GATE.HHZ. 2023-04-13T01:42:46.14 3.0 undecidable manual Pg -1.29 0
IV.MF5.EHZ. 2023-04-13T01:42:40.57 0.6 undecidable manual S 47 53.0025 50 0.32 44
IV.CSP1.EHZ. 2023-04-13T01:42:40.09 0.3 undecidable manual S 21 51.0156 50 0.37 66
IV.TERO.HHZ. 2023-04-13T01:42:39.46 0.3 undecidable manual S 95 50.7159 50 -0.2 68
IV.ASSB.HHZ. 2023-04-13T01:42:39.49 0.3 undecidable manual S 328 49.9167 50 0.06 70
IV.MML1.EHE. 2023-04-13T01:42:39.60 0.3 undecidable manual S 359 50.1165 50 0.1 70
IV.FDMO.HHZ. 2023-04-13T01:42:37.33 0.3 undecidable manual S 11 42.4242 50 -0.11 71
IV.MOMA.HHE. 2023-04-13T01:42:36.16 0.3 undecidable manual S 295 37.2294 50 0.1 71
IV.MMO1.EHZ. 2023-04-13T01:42:36.41 0.3 undecidable manual S 46 38.4282 50 0.05 72
IV.CESI.HHZ. 2023-04-13T01:42:36.37 0.3 undecidable manual S 350 38.628 50 -0.05 72
7F.SIB2.EHN. 2023-04-13T01:42:35.69 0.3 undecidable manual S 46 36.4413 50 -0.14 71
IV.CESX.HHZ. 2023-04-13T01:42:34.90 0.3 undecidable manual S 260 32.9448 50 -0.01 73
7F.SIB3.EHN. 2023-04-13T01:42:34.68 0.3 undecidable manual S 44 33.2445 50 -0.3 69
IV.ASSB.HHZ. 2023-04-13T01:42:33.03 0.1 undecidable manual P 328 49.9167 50 0.33 89
IV.MML1.EHE. 2023-04-13T01:42:33.06 0.1 undecidable manual P 359 50.1165 50 0.32 89
IV.SMA1.EHZ. 2023-04-13T01:42:33.99 0.3 undecidable manual S 97 28.8489 50 0.17 71
IV.MF5.EHZ. 2023-04-13T01:42:33.47 0.1 undecidable manual P 47 53.0025 50 0.29 89
IV.CSP1.EHZ. 2023-04-13T01:42:32.63 0.1 undecidable manual P 21 51.0156 50 -0.24 90
IV.TERO.HHZ. 2023-04-13T01:42:32.64 0.1 undecidable manual P 95 50.7159 50 -0.2 91
IV.RM33.EHZ. 2023-04-13T01:42:32.77 0.3 undecidable manual S 132 25.3524 50 -0.1 73
IV.CERA.HNZ. 2023-04-13T01:42:32.46 3.0 undecidable manual P -7.46 0
IV.ARRO.EHZ. 2023-04-13T01:42:31.12 0.3 undecidable manual S 243 20.0688 118 -0.24 72
IV.NRCA.HHZ. 2023-04-13T01:42:31.57 0.3 undecidable manual S 29 21.867 116 -0.34 70
IV.FDMO.HHZ. 2023-04-13T01:42:31.53 0.1 positive manual P 11 42.4242 50 -0.02 96
IV.CESI.HHZ. 2023-04-13T01:42:30.94 0.1 undecidable manual P 350 38.628 50 -0.03 96
7F.SIB3.EHN. 2023-04-13T01:42:30.00 0.1 positive manual P 44 33.2445 50 -0.13 95
IV.MOMA.HHE. 2023-04-13T01:42:30.74 0.3 undecidable manual P 295 37.2294 50 -0.01 73
IV.MMO1.EHZ. 2023-04-13T01:42:30.89 0.1 undecidable manual P 46 38.4282 50 -0.04 96
7F.SIB2.EHN. 2023-04-13T01:42:30.47 0.1 positive manual P 46 36.4413 50 -0.16 94
IV.SMA1.EHZ. 2023-04-13T01:42:29.65 0.1 positive manual P 97 28.8489 50 0.19 95
IV.CESX.HHZ. 2023-04-13T01:42:29.68 0.1 undecidable manual P 260 32.9448 50 -0.41 90
IV.RM33.EHZ. 2023-04-13T01:42:28.95 0.1 undecidable manual P 132 25.3524 50 0.04 99
IV.ARRO.EHZ. 2023-04-13T01:42:28.05 0.1 positive manual P 243 20.0688 118 0.01 100
IV.NRCA.HHZ. 2023-04-13T01:42:28.27 0.1 positive manual P 29 21.867 116 -0.09 98
IV.LNSS.HHZ. 2023-04-13T01:42:28.16 0.3 undecidable manual S 145 7.9809 143 0.09 75
IV.GAVE.EHZ. 2023-04-13T01:42:27.98 0.3 undecidable manual S 295 8.0808 142 -0.12 75
IV.GAVE.EHZ. 2023-04-13T01:42:26.38 0.1 positive manual P 295 8.0808 142 0.22 98
IV.LNSS.HHZ. 2023-04-13T01:42:26.46 0.1 negative manual P 145 7.9809 143 0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.6 0.0005985000000000001 0.26 AML other m 2023-04-13T01:42:28.21
IV.LNSS.HHN. ML:1.3 0.00029749999999999997 0.56 AML other m 2023-04-13T01:42:28.26
IV.GAVE.EHE. ML:1.6 0.0005235 0.1 AML other m 2023-04-13T01:42:28.30
IV.LNSS.HHE. ML:1.5 0.0004305 0.32 AML other m 2023-04-13T01:42:28.58
IV.NRCA.HHE. ML:1.4 0.00016549999999999998 0.12 AML other m 2023-04-13T01:42:31.91
IV.NRCA.HHN. ML:1.1 0.0000924 0.12 AML other m 2023-04-13T01:42:32.85
IV.ARRO.EHN. ML:0.7 0.0000424 1.16 AML other m 2023-04-13T01:42:33.41
IV.RM33.EHN. ML:1.0 0.0000588 0.7 AML other m 2023-04-13T01:42:33.42
IV.ARRO.EHE. ML:0.8 0.0000434 0.5 AML other m 2023-04-13T01:42:33.81
IV.RM33.EHE. ML:0.8 0.0000348 1.22 AML other m 2023-04-13T01:42:33.15
IV.SMA1.EHE. ML:1.3 0.00010850000000000001 0.28 AML other m 2023-04-13T01:42:34.56
IV.SMA1.EHN. ML:1.2 0.00007565 0.34 AML other m 2023-04-13T01:42:34.53
IV.MURB.HHN. ML:1.4 0.000037 0.52 AML other m 2023-04-13T01:42:36.85
IV.FDMO.HHN. ML:0.9 0.000022499999999999998 1.04 AML other m 2023-04-13T01:42:38.05
IV.FDMO.HHE. ML:0.8 0.000020549999999999998 0.18 AML other m 2023-04-13T01:42:38.60
IV.TERO.HHE. ML:0.8 0.0000131 0.14 AML other m 2023-04-13T01:42:40.33
IV.TERO.HHN. ML:0.8 0.00001262 1.28 AML other m 2023-04-13T01:42:40.34
IV.ASSB.HHN. ML:0.9 0.000019 0.52 AML other m 2023-04-13T01:42:41.59
IV.ASSB.HHE. ML:0.8 0.0000172 0.48 AML other m 2023-04-13T01:42:46.45
IV.MURB.HHE. ML:1.4 0.00003985 1.02 AML other m 2023-04-13T01:42:54.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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