Earthquake with magnitude of ML 1.0 on date 03-08-2023 and time 05:25:06 (Italy) in region 2 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km W Castelsantangelo sul Nera (MC), on

  • 03-08-2023 03:25:06 (UTC)
  • 03-08-2023 05:25:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9000, 13.1280 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
Castelsantangelo sul Nera MC 2 281 281
Visso MC 5 1107 1388
Ussita MC 5 444 1832
Preci PG 8 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Monte Cavallo MC 15 145 7800
Acquacanina MC 15 121 7921
Fiastra MC 15 559 8480
Fiordimonte MC 16 202 8682
Montemonaco AP 16 604 9286
Sellano PG 16 1079 10365
Pieve Torina MC 17 1458 11823
Montegallo AP 18 523 12346
Montefortino FM 18 1178 13524
Pievebovigliana MC 18 866 14390
Cerreto di Spoleto PG 19 1075 15465
Arquata del Tronto AP 20 1178 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 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 1.0 2023-08-03
03:25:06
42.9003 13.1282 10 2023-08-03
03:33:15
Sala Sismica INGV-Roma 119811771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-03 03:25:06 ± 0.07
Latitude 42.9003 ± 0.0036
Longitude 13.1282 ± 0.0037
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 119811771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.44606
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 119811771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-03 03:33:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-08-03T03:25:22.46 0.3 undecidable manual S 128 49.5171 50 0.04 70
IV.MF5.EHZ. 2023-08-03T03:25:17.28 0.1 undecidable manual S 70 28.6491 50 0.43 89
IV.MML1.EHZ. 2023-08-03T03:25:16.08 0.1 undecidable manual S 332 26.8509 50 -0.3 92
IV.GUMA.HHZ. 2023-08-03T03:25:16.02 0.1 undecidable manual S 43 24.6531 112 0.23 93
IV.TERO.HHZ. 2023-08-03T03:25:15.52 1.0 undecidable manual P 128 49.5171 50 -0.19 23
IV.CSP1.EHZ. 2023-08-03T03:25:14.83 0.1 undecidable manual S 16 22.1556 115 -0.16 95
IV.CESI.HNE. 2023-08-03T03:25:14.85 0.1 undecidable manual S 303 21.5673 115 0.04 98
IV.MMO1.EHZ. 2023-08-03T03:25:12.84 0.1 undecidable manual S 90 16.1727 122 -0.32 93
7F.SIB2.EHN. 2023-08-03T03:25:12.31 0.1 undecidable manual S 94 14.2746 125 -0.32 93
IV.FDMO.HHZ. 2023-08-03T03:25:12.89 0.1 undecidable manual S 348 15.4734 123 -0.07 98
IV.MML1.EHZ. 2023-08-03T03:25:12.22 1.0 negative manual P 332 26.8509 50 0 24
IV.MF5.EHZ. 2023-08-03T03:25:12.57 0.6 positive manual P 70 28.6491 50 0.07 48
IT.MTCL.HGN. 2023-08-03T03:25:12.68 0.1 undecidable manual S 315 14.7741 124 -0.07 98
IV.GUMA.HHZ. 2023-08-03T03:25:11.88 0.3 positive manual P 43 24.6531 112 0 73
IV.CESI.HNE. 2023-08-03T03:25:11.22 0.1 undecidable manual P 303 21.5673 115 -0.09 97
7F.SIB3.EHN. 2023-08-03T03:25:11.71 0.1 undecidable manual S 104 11.877 130 -0.24 95
7F.SIB1.EHZ. 2023-08-03T03:25:11.99 0.1 undecidable manual S 93 11.5773 131 0.12 98
IV.CSP1.EHZ. 2023-08-03T03:25:11.28 1.0 undecidable manual P 16 22.1556 115 -0.14 24
IT.MTCL.HGN. 2023-08-03T03:25:10.14 0.1 undecidable manual P 315 14.7741 124 0.01 99
IV.MMO1.EHZ. 2023-08-03T03:25:10.27 0.3 positive manual P 90 16.1727 122 -0.09 73
IV.FDMO.HHZ. 2023-08-03T03:25:10.28 0.6 undecidable manual P 348 15.4734 123 0.03 49
IV.NRCA.HHZ. 2023-08-03T03:25:10.87 0.1 undecidable manual S 189 7.4814 143 -0.04 100
IV.MC2.EHN. 2023-08-03T03:25:10.93 0.1 undecidable manual S 76 5.0949 153 0.46 92
7F.SIB1.EHZ. 2023-08-03T03:25:09.38 0.3 undecidable manual P 93 11.5773 131 -0.24 72
IV.NRCA.HHZ. 2023-08-03T03:25:09.22 0.1 undecidable manual P 189 7.4814 143 0.15 98
IV.MC2.EHN. 2023-08-03T03:25:09.15 0.1 undecidable manual P 76 5.0949 153 0.34 94
IV.FEMA.HNN. 2023-08-03T03:25:09.54 0.1 undecidable manual P 317 9.3795 137 0.23 96
7F.SIB2.EHN. 2023-08-03T03:25:09.99 0.1 undecidable manual P 94 14.2746 125 -0.07 98
7F.SIB3.EHN. 2023-08-03T03:25:09.61 0.1 undecidable manual P 104 11.877 130 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.5 0.0004945 0.08 AML other m 2023-08-03T03:25:10.95
IV.NRCA.HHN. ML:1.5 0.0005355 0.08 AML other m 2023-08-03T03:25:10.95
IV.NRCA.HHE. ML:1.2 0.0002161109 0.08 AML other m 2023-08-03T03:25:11.56
IV.NRCA.HNE. ML:1.2 0.00020367184 0.08 AML other m 2023-08-03T03:25:11.55
IV.MMO1.EHN. ML:0.8 0.00005196409 0.08 AML other m 2023-08-03T03:25:13.33
IV.MMO1.EHE. ML:0.7 0.000045362900000000006 0.12 AML other m 2023-08-03T03:25:13.59
IV.FDMO.HHN. ML:0.9 0.00007255 0.32 AML other m 2023-08-03T03:25:13.15
IV.FDMO.HHE. ML:0.8 0.00005295 0.34 AML other m 2023-08-03T03:25:13.17
IV.CSP1.EHE. ML:1.1 0.00008030350999999999 0.12 AML other m 2023-08-03T03:25:15.02
IV.CSP1.EHN. ML:1.0 0.000068221295 0.16 AML other m 2023-08-03T03:25:14.94
IV.GUMA.HHE. ML:0.8 0.00003422542 0.2992 AML other m 2023-08-03T03:25:18.65
IV.GUMA.HHN. ML:1.0 0.00006428621000000002 0.5008 AML other m 2023-08-03T03:25:18.69
IV.MML1.EHE. ML:0.3 0.000009960982 0.12 AML other m 2023-08-03T03:25:17.09
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