Earthquake with magnitude of ML 1.2 on date 30-09-2023 and time 23:19:58 (Italy) in region 2 km S Cascia (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km S Cascia (PG), on

  • 30-09-2023 21:19:58 (UTC)
  • 30-09-2023 23:19:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7000, 13.0100 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
Cascia PG 2 3217 3217
Poggiodomo PG 6 117 3334
Monteleone di Spoleto PG 7 599 3933
Norcia PG 13 4957 8890
Vallo di Nera PG 14 364 9254
Scheggino PG 15 461 9715
Sant'Anatolia di Narco PG 15 564 10279
Cittareale RI 15 482 10761
Cerreto di Spoleto PG 15 1075 11836
Leonessa RI 16 2435 14271
Polino TR 19 233 14504
Accumoli RI 20 667 15171
Ferentillo TR 20 1913 17084

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
81 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
100 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 1.2 2023-09-30
21:19:58
42.6997 13.0097 10 2023-09-30
21:28:05
Sala Sismica INGV-Roma 121628961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-30 21:19:58 ± 0.05
Latitude 42.6997 ± 0.0027
Longitude 13.0097 ± 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 121628961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 372
Semi-minor axis of confidence ellipse (meter) 298
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43797
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 121628961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-30 21:28:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2023-09-30T21:20:20.50 3.0 undecidable manual S -0.14 0
IV.ATPI.EHZ. 2023-09-30T21:20:12.63 3.0 positive manual P -0.31 0
IV.SMA1.EHZ. 2023-09-30T21:20:08.56 0.6 undecidable manual S 106 27.6501 50 0.31 46
IV.MC2.EHE. 2023-09-30T21:20:08.44 0.6 undecidable manual S 32 27.6501 50 0.19 47
IV.GUMA.HHZ. 2023-09-30T21:20:07.46 0.6 negative manual P 33 48.2184 50 0.29 44
IV.ASSB.HHE. 2023-09-30T21:20:07.43 1.0 undecidable manual P 323 47.5191 50 0.36 22
IV.MF5.EHZ. 2023-09-30T21:20:07.22 0.6 undecidable manual P 49 48.618 50 -0.01 47
IV.RM33.EHZ. 2023-09-30T21:20:07.69 0.6 undecidable manual S 142 26.9508 50 -0.38 45
IV.MML1.EHZ. 2023-09-30T21:20:06.82 1.0 positive manual P 356 46.0206 50 -0.01 24
IV.TERO.HHZ. 2023-09-30T21:20:06.94 3.0 negative manual P -0.38 0
IV.CSP1.EHZ. 2023-09-30T21:20:06.59 1.0 negative manual P 20 46.3203 50 -0.28 22
IV.FIAM.HHZ. 2023-09-30T21:20:06.82 3.0 positive manual P 0.78 0
IV.NRCA.HHZ. 2023-09-30T21:20:05.03 0.3 undecidable manual S 30 17.0718 121 -0.07 74
IV.CESX.HHZ. 2023-09-30T21:20:05.44 0.6 undecidable manual P 254 35.9418 50 0.15 47
IV.FDMO.HHZ. 2023-09-30T21:20:05.41 0.6 positive manual P 10 37.9287 50 -0.18 46
IV.CESI.HHZ. 2023-09-30T21:20:04.99 1.0 undecidable manual P 346 34.9428 50 -0.13 24
IV.SMA1.EHZ. 2023-09-30T21:20:04.02 1.0 positive manual P 106 27.6501 50 0.02 24
IV.MMO1.EHZ. 2023-09-30T21:20:04.73 1.0 undecidable manual P 49 34.0437 50 -0.26 23
IV.MC2.EHE. 2023-09-30T21:20:04.05 0.6 undecidable manual P 32 27.6501 50 0.04 49
IV.RM33.EHZ. 2023-09-30T21:20:03.66 0.6 negative manual P 142 26.9508 50 -0.24 47
IV.LNSS.HHZ. 2023-09-30T21:20:03.58 0.3 undecidable manual S 167 11.0778 133 0.18 73
IV.GAVE.EHZ. 2023-09-30T21:20:02.91 0.3 undecidable manual S 265 9.4794 137 -0.1 74
IV.NRCA.HHZ. 2023-09-30T21:20:02.13 0.3 undecidable manual P 30 17.0718 121 -0.05 74
IV.GAVE.EHZ. 2023-09-30T21:20:01.03 0.1 negative manual P 265 9.4794 137 0.05 100
IV.LNSS.HHZ. 2023-09-30T21:20:01.21 1.0 undecidable manual P 167 11.0778 133 0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNN. ML:1.4 0.000337 0.22 AML other m 2023-09-30T21:20:03.13
IV.GAVE.EHN. ML:1.9 0.0010509999999999999 0.22 AML other m 2023-09-30T21:20:03.14
IV.GAVE.EHE. ML:1.8 0.0008340000000000001 0.44 AML other m 2023-09-30T21:20:03.03
IV.GAVE.HNE. ML:1.8 0.0008814999999999999 0.18 AML other m 2023-09-30T21:20:03.16
IV.LNSS.HHE. ML:1.2 0.00021050000000000002 0.9 AML other m 2023-09-30T21:20:03.48
IV.LNSS.HHN. ML:1.3 0.00023 0.24 AML other m 2023-09-30T21:20:03.62
IV.RM33.EHN. ML:1.3 0.0001085 1.58 AML other m 2023-09-30T21:20:07.87
IV.RM33.EHE. ML:1.2 0.00008545 0.14 AML other m 2023-09-30T21:20:08.07
IV.SMA1.EHE. ML:1.1 0.00007035 0.5 AML other m 2023-09-30T21:20:08.97
IV.SMA1.EHN. ML:1.0 0.00004825 1.34 AML other m 2023-09-30T21:20:09.89
IV.MMO1.EHN. ML:1.0 0.00004175 0.68 AML other m 2023-09-30T21:20:10.45
IV.CESI.HHN. ML:1.2 0.0000697 0.48 AML other m 2023-09-30T21:20:10.41
IV.MMO1.EHE. ML:1.1 0.00005005 0.18 AML other m 2023-09-30T21:20:10.58
IV.CESI.HHE. ML:0.9 0.000036200000000000006 0.6 AML other m 2023-09-30T21:20:10.87
IV.FDMO.HHE. ML:1.2 0.000055499999999999994 0.28 AML other m 2023-09-30T21:20:11.43
IV.FDMO.HHN. ML:0.9 0.00002885 0.84 AML other m 2023-09-30T21:20:11.43
IV.MML1.EHE. ML:0.9 0.000025849999999999998 1.14 AML other m 2023-09-30T21:20:14.13
IV.TERO.HHE. ML:0.8 0.0000167 0.94 AML other m 2023-09-30T21:20:14.83
IV.MML1.EHN. ML:0.9 0.00002535 0.62 AML other m 2023-09-30T21:20:14.75
IV.TERO.HHN. ML:0.9 0.000021499999999999997 1.46 AML other m 2023-09-30T21:20:14.84
IV.LNSS.HNE. ML:1.2 0.00018210535 0.1152 AML other m 2023-09-30T21:20:03.87
IV.LNSS.HNN. ML:1.2 0.000198841 0.2432 AML other m 2023-09-30T21:20:03.74
IV.RM33.HNE. ML:1.4 0.00013022792 0.2688 AML other m 2023-09-30T21:20:08.06
IV.RM33.HNN. ML:1.2 0.00008825537 0.1792 AML other m 2023-09-30T21:20:08.08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download