Earthquake with magnitude of ML 0.9 on date 18-03-2023 and time 11:39:25 (Italy) in region Scheggino (PG)

A magnitude ML 0.9 earthquake occured in region: Scheggino (PG), on

  • 18-03-2023 10:39:25 (UTC)
  • 18-03-2023 11:39:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7130, 12.8370 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
Scheggino PG 0 461 461
Sant'Anatolia di Narco PG 2 564 1025
Vallo di Nera PG 7 364 1389
Poggiodomo PG 8 117 1506
Spoleto PG 8 38218 39724
Ferentillo TR 11 1913 41637
Monteleone di Spoleto PG 12 599 42236
Campello sul Clitunno PG 13 2442 44678
Cerreto di Spoleto PG 14 1075 45753
Montefranco TR 14 1276 47029
Polino TR 14 233 47262
Cascia PG 15 3217 50479
Arrone TR 15 2763 53242
Castel Ritaldi PG 18 3278 56520
Trevi PG 20 8469 64989
Leonessa RI 20 2435 67424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Terni (111501 inhabitants)
29 Km SE of Foligno (57155 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Viterbo (67173 inhabitants)
71 Km W of Teramo (54892 inhabitants)
80 Km N of Guidonia Montecelio (88673 inhabitants)
83 Km N of Tivoli (56533 inhabitants)
96 Km NE of Roma (2864731 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 0.9 2023-03-18
10:39:25
42.7133 12.8367 9 2023-03-18
11:24:15
Sala Sismica INGV-Roma 115502871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-18 10:39:25 ± 0.04
Latitude 42.7133 ± 0.0027
Longitude 12.8367 ± 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 115502871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.46405
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 115502871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-18 11:24:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-03-18T10:39:42.40 0.3 undecidable manual S 35 51.5151 50 0.26 68
IV.MML1.HNE. 2023-03-18T10:39:41.00 0.6 undecidable manual S 14 45.7209 50 0.41 44
IV.MMO1.HNN. 2023-03-18T10:39:40.49 0.3 undecidable manual S 62 44.9217 50 0.12 70
7F.SIB2.EHZ. 2023-03-18T10:39:39.76 0.3 undecidable manual S 62 42.8238 50 -0.05 72
7F.SIB1.EHN. 2023-03-18T10:39:39.24 0.3 undecidable manual S 60 40.626 50 0.02 72
IV.FDMO.HHZ. 2023-03-18T10:39:39.34 0.3 undecidable manual S 30 41.2254 50 -0.05 72
IV.RM33.EHZ. 2023-03-18T10:39:38.52 0.3 undecidable manual S 126 38.2284 50 -0.08 72
IV.ASSB.HHZ. 2023-03-18T10:39:38.52 0.3 undecidable manual S 338 39.3273 50 -0.35 68
7F.SIB3.EHZ. 2023-03-18T10:39:38.76 0.3 undecidable manual S 63 39.5271 50 -0.18 70
IV.CESI.HHZ. 2023-03-18T10:39:37.15 0.3 undecidable manual S 10 32.8449 50 0.01 74
IV.FEMA.HNZ. 2023-03-18T10:39:37.45 0.3 undecidable manual S 32 32.5452 50 0.37 68
IV.CSP1.EHZ. 2023-03-18T10:39:35.32 0.1 undecidable manual P 35 51.5151 50 0.26 90
IV.NRCA.HHZ. 2023-03-18T10:39:35.07 0.3 undecidable manual S 59 26.2515 108 0.08 73
IV.CESX.HHZ. 2023-03-18T10:39:34.36 0.3 undecidable manual S 240 23.4543 110 0.28 71
IV.MOMA.HHZ. 2023-03-18T10:39:34.35 0.3 undecidable manual S 295 23.9538 110 0.12 73
IT.GNU.HGN. 2023-03-18T10:39:34.25 0.3 undecidable manual S 295 23.9538 110 0.03 74
IV.MMO1.HNN. 2023-03-18T10:39:34.12 1.0 undecidable manual P 62 44.9217 50 0.08 24
IV.MML1.HNE. 2023-03-18T10:39:34.42 0.3 undecidable manual P 14 45.7209 50 0.25 68
7F.SIB3.EHZ. 2023-03-18T10:39:33.51 0.3 undecidable manual P 63 39.5271 50 0.29 69
IV.FDMO.HHZ. 2023-03-18T10:39:33.21 0.3 undecidable manual P 30 41.2254 50 -0.26 69
7F.SIB2.EHZ. 2023-03-18T10:39:33.48 1.0 undecidable manual P 62 42.8238 50 -0.24 23
IV.LNSS.HHZ. 2023-03-18T10:39:33.46 0.3 undecidable manual S 126 20.6682 113 0.3 71
7F.SIB1.EHN. 2023-03-18T10:39:33.24 0.1 undecidable manual P 60 40.626 50 -0.14 94
IV.RM33.EHZ. 2023-03-18T10:39:32.62 0.1 undecidable manual P 126 38.2284 50 -0.4 90
IV.ASSB.HHZ. 2023-03-18T10:39:32.77 0.1 undecidable manual P 338 39.3273 50 -0.41 89
IV.FEMA.HNZ. 2023-03-18T10:39:32.32 0.3 undecidable manual P 32 32.5452 50 0.18 71
IV.CESI.HHZ. 2023-03-18T10:39:32.04 0.3 undecidable manual P 10 32.8449 50 -0.14 72
IV.ARRO.EHZ. 2023-03-18T10:39:31.76 0.3 undecidable manual S 201 15.9729 119 0.06 75
IT.GNU.HGN. 2023-03-18T10:39:30.37 0.3 undecidable manual P 295 23.9538 110 -0.12 73
IV.NRCA.HHZ. 2023-03-18T10:39:30.88 0.1 positive manual P 59 26.2515 108 -0.05 98
IV.CESX.HHZ. 2023-03-18T10:39:30.38 0.1 undecidable manual P 240 23.4543 110 -0.03 99
IV.MOMA.HHZ. 2023-03-18T10:39:30.41 0.1 undecidable manual P 295 23.9538 110 -0.09 98
IV.LNSS.HHZ. 2023-03-18T10:39:29.85 0.1 undecidable manual P 126 20.6682 113 -0.03 100
IV.ARRO.EHZ. 2023-03-18T10:39:29.32 0.1 undecidable manual P 201 15.9729 119 0.28 95
IV.GAVE.EHZ. 2023-03-18T10:39:28.60 0.3 undecidable manual S 117 5.1948 149 -0.31 72
IV.GAVE.EHZ. 2023-03-18T10:39:27.28 0.1 negative manual P 117 5.1948 149 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.6 0.0007255 0.18 AML other m 2023-03-18T10:39:28.87
IV.GAVE.EHE. ML:1.6 0.000735 1.52 AML other m 2023-03-18T10:39:29.78
IV.NRCA.HHN. ML:0.6 0.000024399999999999997 0.7 AML other m 2023-03-18T10:39:35.61
IV.NRCA.HHE. ML:0.9 0.00004945 0.16 AML other m 2023-03-18T10:39:35.75
IV.CESI.HHE. ML:0.9 0.00003505 0.18 AML other m 2023-03-18T10:39:37.79
IV.CESI.HHN. ML:1.0 0.000047149999999999994 0.68 AML other m 2023-03-18T10:39:38.83
IV.ASSB.HHN. ML:0.9 0.0000324 0.18 AML other m 2023-03-18T10:39:39.34
IV.FDMO.HHE. ML:0.9 0.0000235 1.2 AML other m 2023-03-18T10:39:40.71
IV.FDMO.HHN. ML:0.9 0.000023350000000000002 0.16 AML other m 2023-03-18T10:39:40.12
IV.ASSB.HHE. ML:0.8 0.0000235 0.2 AML other m 2023-03-18T10:39:40.54
IV.RM33.EHE. ML:0.8 0.00002485 0.18 AML other m 2023-03-18T10:39:40.87
IV.RM33.EHN. ML:0.6 0.0000172 1.06 AML other m 2023-03-18T10:39:42.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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