Earthquake with magnitude of ML 1.5 on date 15-04-2023 and time 02:58:13 (Italy) in region 7 km E Cascia (PG)

A magnitude ML 1.5 earthquake occured in region: 7 km E Cascia (PG), on

  • 15-04-2023 00:58:13 (UTC)
  • 15-04-2023 02:58:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7110, 13.0950 at 14 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.

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 7 3217 3217
Norcia PG 9 4957 8174
Cittareale RI 12 482 8656
Accumoli RI 13 667 9323
Poggiodomo PG 13 117 9440
Monteleone di Spoleto PG 13 599 10039
Arquata del Tronto AP 18 1178 11217
Amatrice RI 18 2657 13874
Cerreto di Spoleto PG 19 1075 14949
Preci PG 19 724 15673
Leonessa RI 20 2435 18108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Terni (111501 inhabitants)
42 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
50 Km W of Teramo (54892 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km W 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
Bulletin
Rev1000
ML 1.5 2023-04-15
00:58:13
42.7112 13.0948 14 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116426731
Reviewed
Rev100
ML 1.6 2023-04-15
00:58:13
42.7083 13.0787 15 2023-04-15
01:04:27
Sala Sismica INGV-Roma 116398551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-15 00:58:13 ± 0.05
Latitude 42.7112 ± 0.0018
Longitude 13.0948 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116426731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 81
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 116426731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-23 12:26:18

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 116398551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-15 01:04:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-04-15T00:58:28.47 0.6 undecidable manual S 347 45.7209 96 0.27 45
IV.TERO.HHN. 2023-04-15T00:58:27.10 0.3 undecidable manual S 103 42.624 96 -0.28 67
IV.CESI.HHZ. 2023-04-15T00:58:25.92 0.6 undecidable manual S 335 36.0417 98 0.28 45
IV.FDMO.HHN. 2023-04-15T00:58:25.82 0.3 undecidable manual S 359 36.1416 98 0.17 70
IV.ARRO.EHZ. 2023-04-15T00:58:24.35 0.6 undecidable manual S 242 30.5472 100 0.16 47
7F.SIB2.EHZ. 2023-04-15T00:58:23.06 0.3 undecidable manual S 40 26.2515 103 0.01 73
7F.SIB1.EHZ. 2023-04-15T00:58:23.09 0.3 undecidable manual S 35 24.8529 104 0.39 68
IV.MMO1.EHZ. 2023-04-15T00:58:23.66 0.3 undecidable manual S 42 28.1496 101 0.11 71
IV.RM33.EHZ. 2023-04-15T00:58:22.68 0.1 undecidable manual S 156 24.4533 105 0.09 97
IV.MTRA.HNZ. 2023-04-15T00:58:22.59 0.3 undecidable manual S 78 25.0527 104 -0.17 71
IV.ASSB.HHZ. 2023-04-15T00:58:22.57 0.3 undecidable manual P 316 51.1155 95 -0.23 67
7F.SIB3.EHZ. 2023-04-15T00:58:22.23 0.3 undecidable manual S 38 23.1546 106 -0.01 74
IV.SMA1.EHZ. 2023-04-15T00:58:22.03 0.3 undecidable manual S 114 21.5673 108 0.18 71
IV.MF5.EHZ. 2023-04-15T00:58:21.99 0.3 undecidable manual P 44 42.7239 96 0.47 65
IV.MOMA.HNZ. 2023-04-15T00:58:21.72 0.3 undecidable manual P 284 43.9227 96 0.01 71
IV.TERO.HHN. 2023-04-15T00:58:21.52 0.3 undecidable manual P 103 42.624 96 0 71
IV.MML1.EHZ. 2023-04-15T00:58:21.83 0.3 undecidable manual P 347 45.7209 96 -0.16 69
IV.FDMO.HHN. 2023-04-15T00:58:20.44 0.1 undecidable manual P 359 36.1416 98 -0.07 95
IV.GAVE.EHZ. 2023-04-15T00:58:20.57 0.1 undecidable manual S 263 16.4724 117 -0.03 99
IV.CESI.HHZ. 2023-04-15T00:58:20.46 0.1 undecidable manual P 335 36.0417 98 -0.05 95
IV.NRCA.HNZ. 2023-04-15T00:58:19.77 0.1 undecidable manual S 7 13.6752 124 -0.18 97
IV.MMO1.EHZ. 2023-04-15T00:58:19.23 0.1 undecidable manual P 42 28.1496 101 -0.07 96
IV.LNSS.HHZ. 2023-04-15T00:58:19.79 0.1 undecidable manual S 200 12.7761 127 0.03 100
IV.ARRO.EHZ. 2023-04-15T00:58:19.66 0.1 undecidable manual P 242 30.5472 100 -0.01 97
7F.SIB3.EHZ. 2023-04-15T00:58:18.31 0.1 undecidable manual P 38 23.1546 106 -0.24 94
IV.RM33.EHZ. 2023-04-15T00:58:18.70 0.1 undecidable manual P 156 24.4533 105 -0.05 97
IV.SMA1.EHZ. 2023-04-15T00:58:18.35 0.3 undecidable manual P 114 21.5673 108 0.03 74
7F.SIB2.EHZ. 2023-04-15T00:58:18.99 0.1 undecidable manual P 40 26.2515 103 -0.02 98
7F.SIB1.EHZ. 2023-04-15T00:58:18.72 0.3 undecidable manual P 35 24.8529 104 -0.09 72
IV.MTRA.HNZ. 2023-04-15T00:58:18.62 0.3 undecidable manual P 78 25.0527 104 -0.22 70
IV.NRCA.HNZ. 2023-04-15T00:58:17.21 0.1 undecidable manual P 7 13.6752 124 -0.01 100
IV.LNSS.HHZ. 2023-04-15T00:58:17.21 0.1 undecidable manual P 200 12.7761 127 0.1 98
IV.GAVE.EHZ. 2023-04-15T00:58:17.68 0.1 undecidable manual P 263 16.4724 117 0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.0003945 1.86 AML other m 2023-04-15T00:58:19.96
IV.NRCA.HNN. ML:1.8 0.000503 0.88 AML other m 2023-04-15T00:58:20.06
IV.NRCA.HHE. ML:1.7 0.00039600000000000003 0.12 AML other m 2023-04-15T00:58:20.02
IV.LNSS.HHE. ML:1.7 0.00043149999999999997 0.12 AML other m 2023-04-15T00:58:20.16
IV.NRCA.HHN. ML:1.8 0.000504 1.32 AML other m 2023-04-15T00:58:20.18
IV.LNSS.HHN. ML:1.7 0.00046950000000000003 0.2 AML other m 2023-04-15T00:58:20.13
IV.GAVE.EHE. ML:1.8 0.000458 0.2 AML other m 2023-04-15T00:58:20.81
IV.GAVE.EHN. ML:1.7 0.0004075 0.9 AML other m 2023-04-15T00:58:20.38
IV.SMA1.EHE. ML:1.2 0.00010005 0.7 AML other m 2023-04-15T00:58:22.29
IV.SMA1.EHN. ML:1.3 0.00012790000000000002 0.42 AML other m 2023-04-15T00:58:23.48
IV.RM33.EHN. ML:1.2 0.00009635000000000001 0.9 AML other m 2023-04-15T00:58:23.86
IV.MMO1.EHE. ML:1.1 0.000058792285 0.12 AML other m 2023-04-15T00:58:23.78
IV.MMO1.EHN. ML:1.1 0.000057338805 0.2 AML other m 2023-04-15T00:58:23.81
IV.RM33.EHE. ML:1.1 0.00007135 0.5 AML other m 2023-04-15T00:58:24.37
IV.CESI.HHN. ML:1.7 0.0001675 0.38 AML other m 2023-04-15T00:58:26.23
IV.CESI.HHE. ML:1.4 0.0000897 0.62 AML other m 2023-04-15T00:58:26.43
IV.MML1.EHN. ML:1.2 0.00003891191 0.16 AML other m 2023-04-15T00:58:29.33
IV.MML1.EHE. ML:1.0 0.00002947827 0.18 AML other m 2023-04-15T00:58:29.53
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