Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 09-03-2023 and time 15:39:15 (UTC) in region 4 km SE Monteleone di Spoleto (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km SE Monteleone di Spoleto (PG), on

  • 09-03-2023 15:39:15 (UTC)
  • 09-03-2023 16:39:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6190, 12.9670 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4 599 599
Leonessa RI 6 2435 3034
Polino TR 11 233 3267
Poggiodomo PG 11 117 3384
Cascia PG 12 3217 6601
Ferentillo TR 14 1913 8514
Rivodutri RI 15 1253 9767
Poggio Bustone RI 15 2055 11822
Morro Reatino RI 15 373 12195
Posta RI 15 694 12889
Scheggino PG 15 461 13350
Cittareale RI 16 482 13832
Arrone TR 17 2763 16595
Montefranco TR 17 1276 17871
Sant'Anatolia di Narco PG 17 564 18435
Labro RI 17 374 18809
Cantalice RI 17 2755 21564
Borbona RI 18 617 22181
Vallo di Nera PG 19 364 22545
Micigliano RI 20 127 22672

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
61 Km W of Teramo (54892 inhabitants)
72 Km N of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
74 Km N of Tivoli (56533 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.7 2023-03-09
15:39:15		 42.6192 12.9668 11 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116110991
Reviewed
Rev100 		ML 1.7 2023-03-09
15:39:15		 42.6142 12.9808 10 2023-03-09
15:46:51		 Sala Sismica INGV-Roma 115156261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-09 15:39:15 ± 0.05
Latitude 42.6192 ± 0.0018
Longitude 12.9668 ± 0.0024
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116110991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 35
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) 0.51621
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 116110991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-06 09:48:08

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 115156261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-09 15:46:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HHZ. 2023-03-09T15:39:58.31 3.0 undecidable manual S 1.92 0
IV.CIMA.HNZ. 2023-03-09T15:39:36.67 3.0 undecidable manual Pg 0
IV.ASSB.HHN. 2023-03-09T15:39:32.46 0.6 undecidable manual S 332 53.2023 90 0.46 42
IV.FDMO.HHZ. 2023-03-09T15:39:30.62 0.6 undecidable manual S 12 47.3193 90 0.2 45
IV.CESI.HHZ. 2023-03-09T15:39:29.55 0.6 undecidable manual S 353 43.1235 90 0.26 45
IV.MMO1.EHN. 2023-03-09T15:39:29.67 0.6 undecidable manual S 43 42.7239 90 0.48 43
IV.MC2.EHZ. 2023-03-09T15:39:28.03 0.6 undecidable manual S 29 37.1295 90 0.33 45
7F.SIB2.EHE. 2023-03-09T15:39:28.83 0.6 undecidable manual S 42 40.8258 90 0.15 46
7F.SIB1.EHE. 2023-03-09T15:39:28.68 0.6 undecidable manual S 39 39.3273 90 0.4 44
7F.SIB3.EHN. 2023-03-09T15:39:27.75 0.6 undecidable manual S 41 37.629 90 -0.09 48
IV.MF5.EHZ. 2023-03-09T15:39:26.24 0.3 undecidable manual P 44 57.2982 90 0.66 59
IV.CESX.HHZ. 2023-03-09T15:39:26.02 0.6 undecidable manual S 268 31.0467 90 -0.06 48
IV.MML1.EHZ. 2023-03-09T15:39:25.30 0.1 undecidable manual P 0 54.8007 90 0.09 91
IV.SMA1.EHZ. 2023-03-09T15:39:25.97 0.6 undecidable manual S 87 30.1476 90 0.14 47
IV.FDMO.HHZ. 2023-03-09T15:39:24.14 1.0 undecidable manual P 12 47.3193 90 0.1 23
IV.ASSB.HHN. 2023-03-09T15:39:24.73 0.1 undecidable manual P 332 53.2023 90 -0.22 90
IV.TERO.HHZ. 2023-03-09T15:39:24.55 3.0 undecidable manual P 52.0035 -0.21 0
IV.NRCA.HHZ. 2023-03-09T15:39:24.62 0.6 undecidable manual S 27 26.6511 90 -0.28 47
IV.CSP1.EHZ. 2023-03-09T15:39:24.83 0.1 undecidable manual P 20 55.8996 90 -0.54 84
IV.MMO1.EHN. 2023-03-09T15:39:23.41 0.1 undecidable manual P 43 42.7239 90 0.07 94
IV.RM33.EHZ. 2023-03-09T15:39:23.78 0.6 undecidable manual S 121 23.6541 90 -0.32 47
IV.CESI.HHZ. 2023-03-09T15:39:23.37 0.1 undecidable manual P 353 43.1235 90 -0.02 96
IT.MMP1.HGE. 2023-03-09T15:39:23.87 0.1 undecidable manual P 204 44.7219 90 0.22 91
IV.MOMA.HNZ. 2023-03-09T15:39:22.62 0.1 undecidable manual P 303 38.3283 90 -0.03 96
IV.MC2.EHZ. 2023-03-09T15:39:22.41 1.0 undecidable manual P 29 37.1295 90 -0.06 24
7F.SIB2.EHE. 2023-03-09T15:39:22.83 0.1 undecidable manual P 42 40.8258 90 -0.21 93
7F.SIB3.EHN. 2023-03-09T15:39:22.36 0.1 undecidable manual P 41 37.629 90 -0.19 94
IV.ARRO.EHZ. 2023-03-09T15:39:22.21 0.6 undecidable manual S 255 16.9719 90 -0.12 49
7F.SIB1.EHE. 2023-03-09T15:39:22.72 0.1 undecidable manual P 39 39.3273 90 -0.09 95
IV.SMA1.EHZ. 2023-03-09T15:39:21.41 0.3 negative manual P 87 30.1476 90 0.02 73
IV.CESX.HHZ. 2023-03-09T15:39:21.54 0.6 negative manual P 268 31.0467 90 0 49
IV.RM33.EHZ. 2023-03-09T15:39:20.24 0.1 undecidable manual P 121 23.6541 90 -0.16 96
IV.GAVE.EHZ. 2023-03-09T15:39:20.49 0.6 undecidable manual S 324 10.0788 119 -0.04 51
IV.NRCA.HHZ. 2023-03-09T15:39:20.66 0.1 negative manual P 27 26.6511 90 -0.2 95
IV.ARRO.EHZ. 2023-03-09T15:39:19.36 0.1 positive manual P 255 16.9719 90 -0.01 100
IV.LNSS.HHZ. 2023-03-09T15:39:19.78 0.6 undecidable manual S 107 6.2937 140 0.03 51
IV.GAVE.EHZ. 2023-03-09T15:39:18.44 0.1 undecidable manual P 324 10.0788 119 0.11 99
IV.LNSS.HHZ. 2023-03-09T15:39:17.99 0.1 undecidable manual P 107 6.2937 140 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:2.2 0.002455 1.76 AML other m 2023-03-09T15:39:19.90
IV.LNSS.HNE. ML:2.2 0.00221 1.78 AML other m 2023-03-09T15:39:19.91
IV.LNSS.HNN. ML:2.1 0.0017900000000000001 1.6 AML other m 2023-03-09T15:39:19.96
IV.LNSS.HHN. ML:2.1 0.002045 1.62 AML other m 2023-03-09T15:39:19.96
IV.GAVE.EHE. ML:2.0 0.0013199999999999998 0.26 AML other m 2023-03-09T15:39:20.73
IV.GAVE.HNE. ML:2.0 0.00124 0.24 AML other m 2023-03-09T15:39:20.72
IV.GAVE.EHN. ML:2.0 0.0012749999999999999 0.24 AML other m 2023-03-09T15:39:20.71
IV.GAVE.HNN. ML:1.5 0.000409 0.62 AML other m 2023-03-09T15:39:20.61
IV.ARRO.EHN. ML:1.4 0.0002105 1.18 AML other m 2023-03-09T15:39:23.66
IV.ARRO.EHE. ML:1.4 0.00021200000000000003 0.12 AML other m 2023-03-09T15:39:23.10
IV.RM33.EHE. ML:1.6 0.000224 0.62 AML other m 2023-03-09T15:39:24.20
IV.RM33.EHN. ML:1.6 0.00021300000000000003 1.44 AML other m 2023-03-09T15:39:24.12
IV.NRCA.HHE. ML:2.0 0.0005185 1.5 AML other m 2023-03-09T15:39:24.10
IV.NRCA.HHN. ML:1.7 0.000246 0.12 AML other m 2023-03-09T15:39:25.64
IV.SMA1.EHE. ML:2.0 0.000505 0.3 AML other m 2023-03-09T15:39:26.36
IV.SMA1.EHN. ML:1.8 0.000277 0.24 AML other m 2023-03-09T15:39:26.51
IV.CESX.HHE. ML:1.2 0.00007835000000000001 1.84 AML other m 2023-03-09T15:39:26.92
IV.CESX.HHN. ML:1.3 0.00009209999999999999 1.38 AML other m 2023-03-09T15:39:26.99
IV.MC2.EHN. ML:2.0 0.0004095 0.28 AML other m 2023-03-09T15:39:29.40
IV.MC2.EHE. ML:1.8 0.00023549999999999998 0.8 AML other m 2023-03-09T15:39:29.41
IV.CESI.HHE. ML:1.3 0.0000653 0.52 AML other m 2023-03-09T15:39:30.93
IV.CESI.HHN. ML:1.4 0.00008474999999999999 1.02 AML other m 2023-03-09T15:39:30.39
IV.FDMO.HHN. ML:1.7 0.00014500000000000003 0.22 AML other m 2023-03-09T15:39:31.35
IV.FDMO.HHE. ML:1.7 0.00013550000000000001 1.16 AML other m 2023-03-09T15:39:31.85
IV.TERO.HHE. ML:1.3 0.00004910000000000001 0.94 AML other m 2023-03-09T15:39:32.39
IV.MML1.EHN. ML:1.4 0.0000528 1.18 AML other m 2023-03-09T15:39:33.00
IV.MML1.EHE. ML:1.5 0.0000687 0.76 AML other m 2023-03-09T15:39:33.34
IV.CSP1.EHE. ML:2.0 0.00022 0.36 AML other m 2023-03-09T15:39:34.01
IV.TERO.HHN. ML:1.4 0.0000589 0.32 AML other m 2023-03-09T15:39:34.42
IV.CSP1.EHN. ML:1.8 0.00016249999999999997 0.26 AML other m 2023-03-09T15:39:34.80
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