Earthquake with magnitude of ML 1.3 on date 09-07-2023 and time 07:55:44 (UTC) in region 4 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Castelsantangelo sul Nera (MC), on

  • 09-07-2023 07:55:44 (UTC)
  • 09-07-2023 09:55:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8780, 13.1130 at 8 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
Castelsantangelo sul Nera MC 4 281 281
Preci PG 6 724 1005
Visso MC 6 1107 2112
Ussita MC 8 444 2556
Norcia PG 10 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 16 145 8737
Bolognola MC 16 142 8879
Cerreto di Spoleto PG 17 1075 9954
Montemonaco AP 18 604 10558
Acquacanina MC 18 121 10679
Fiordimonte MC 18 202 10881
Fiastra MC 18 559 11440
Montegallo AP 18 523 11963
Arquata del Tronto AP 19 1178 13141
Pieve Torina MC 19 1458 14599
Cascia PG 20 3217 17816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
97 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
Bulletin
Rev1000
ML 1.3 2023-07-09
07:55:44
42.8783 13.1133 8 2024-09-10
16:44:28
Bollettino Sismico Italiano INGV 128740931
Reviewed
Rev100
ML 1.4 2023-07-09
07:55:44
42.8848 13.1278 10 2023-07-09
08:18:49
Sala Sismica INGV-Roma 119099031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-09 07:55:44 ± 0.06
Latitude 42.8783 ± 0.0027
Longitude 13.1133 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 128740931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
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 35
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) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 128740931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-06-10 14:21:21

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 119099031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-09 08:18:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-07-09T07:56:06.34 0.6 undecidable manual S 337 67.4769 50 0.67 38
IV.RM33.EHZ. 2023-07-09T07:55:58.89 0.6 undecidable manual S 169 41.8248 50 0.06 47
IV.MF5.EHE. 2023-07-09T07:55:56.32 0.6 undecidable manual S 67 30.6471 105 0.69 40
IV.SSFR.HHZ. 2023-07-09T07:55:56.86 0.3 undecidable manual P 337 67.4769 50 0.09 66
IV.GAVE.HNE. 2023-07-09T07:55:54.92 0.6 undecidable manual S 221 27.2505 107 0.4 45
IV.MTRA.HNZ. 2023-07-09T07:55:54.37 0.6 undecidable manual S 120 26.751 107 0.05 48
IV.PF6.EHN. 2023-07-09T07:55:54.75 0.6 undecidable manual S 13 29.5482 106 -0.51 43
IV.GUMA.HHZ. 2023-07-09T07:55:54.93 0.6 undecidable manual S 41 27.2505 107 0.43 44
IV.CSP1.EHZ. 2023-07-09T07:55:53.61 0.6 undecidable manual S 17 24.8529 109 -0.09 48
IV.TERO.HHZ. 2023-07-09T07:55:53.48 0.3 undecidable manual P 125 49.0176 50 -0.45 64
IV.RM33.EHZ. 2023-07-09T07:55:52.51 0.3 undecidable manual P 169 41.8248 50 -0.31 66
IV.ASSB.HHZ. 2023-07-09T07:55:52.51 0.3 undecidable manual P 296 41.1255 50 -0.21 68
IV.MF5.EHE. 2023-07-09T07:55:51.41 0.3 undecidable manual P 67 30.6471 105 0.44 66
IV.MMO1.HNZ. 2023-07-09T07:55:51.44 0.6 undecidable manual S 82 17.4714 116 0.09 48
IV.FDMO.HHZ. 2023-07-09T07:55:51.40 0.6 undecidable manual S 353 17.6712 115 0.01 49
7F.SIB2.EHN. 2023-07-09T07:55:50.51 0.6 undecidable manual S 85 15.5733 118 -0.23 47
IV.GUMA.HHZ. 2023-07-09T07:55:50.49 0.3 undecidable manual P 41 27.2505 107 0.17 70
IT.MTCL.HGN. 2023-07-09T07:55:50.78 0.6 undecidable manual S 324 15.7731 118 -0.04 49
IV.GAVE.HNE. 2023-07-09T07:55:50.51 0.1 undecidable manual P 221 27.2505 107 0.18 94
IV.MTRA.HNZ. 2023-07-09T07:55:50.22 0.3 undecidable manual P 120 26.751 107 0 73
IV.PF6.EHN. 2023-07-09T07:55:50.37 0.3 undecidable manual P 13 29.5482 106 -0.39 67
IV.FEMA.HNN. 2023-07-09T07:55:49.32 0.6 undecidable manual S 331 10.5783 128 0.02 50
IV.CSP1.EHZ. 2023-07-09T07:55:49.60 0.1 undecidable manual P 17 24.8529 109 -0.26 92
7F.SIB1.EHZ. 2023-07-09T07:55:49.86 0.6 undecidable manual S 82 12.876 123 -0.08 49
IV.CESI.HHE. 2023-07-09T07:55:49.39 0.3 undecidable manual P 310 21.9669 111 0.06 72
7F.SIB3.EHN. 2023-07-09T07:55:49.83 0.6 undecidable manual S 92 12.7761 123 -0.07 49
IV.MMO1.HNZ. 2023-07-09T07:55:48.43 0.3 undecidable manual P 82 17.4714 116 -0.07 73
IV.FDMO.HHZ. 2023-07-09T07:55:48.47 0.1 undecidable manual P 353 17.6712 115 -0.06 97
7F.SIB2.EHN. 2023-07-09T07:55:48.15 0.3 undecidable manual P 85 15.5733 118 0 74
IT.MTCL.HGN. 2023-07-09T07:55:48.17 0.3 undecidable manual P 324 15.7731 118 -0.02 74
7F.SIB1.EHZ. 2023-07-09T07:55:47.75 0.1 undecidable manual P 82 12.876 123 0.06 98
IV.NRCA.HHZ. 2023-07-09T07:55:47.70 0.6 undecidable manual S 179 4.995 149 -0.29 47
7F.SIB3.EHN. 2023-07-09T07:55:47.67 0.3 undecidable manual P 92 12.7761 123 0 75
IV.FEMA.HNN. 2023-07-09T07:55:47.39 0.3 undecidable manual P 331 10.5783 128 0.07 74
IV.NRCA.HHZ. 2023-07-09T07:55:46.60 0.1 undecidable manual P 179 4.995 149 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.3 0.00017649999999999998 0.72 AML other m 2023-07-09T07:55:51.59
IV.FDMO.HHN. ML:1.4 0.000199 1.26 AML other m 2023-07-09T07:55:52.02
IV.GUMA.HHN. ML:1.8 0.000338 0.26 AML other m 2023-07-09T07:55:55.11
IV.CSP1.EHN. ML:1.6 0.00026450000000000003 0.28 AML other m 2023-07-09T07:55:55.35
IV.CSP1.EHE. ML:1.7 0.000286 0.56 AML other m 2023-07-09T07:55:55.50
IV.GUMA.HHE. ML:1.6 0.000237 0.26 AML other m 2023-07-09T07:55:55.70
IV.T0110.HHN. ML:1.8 0.000066 0.96 AML other m 2023-07-09T07:55:59.74
IV.T0110.HHE. ML:2.2 0.000178 0.68 AML other m 2023-07-09T07:55:59.74
IV.MURB.HHN. ML:1.4 0.00004455 1.04 AML other m 2023-07-09T07:55:59.96
IV.RM33.EHE. ML:1.1 0.00004185 0.56 AML other m 2023-07-09T07:55:59.69
IV.ASSB.HHN. ML:1.0 0.000035449999999999994 1.06 AML other m 2023-07-09T07:56:01.41
IV.RM33.EHN. ML:0.9 0.0000249 0.26 AML other m 2023-07-09T07:56:02.57
IV.ATCC.EHN. ML:1.1 0.000032149999999999995 1.02 AML other m 2023-07-09T07:56:05.00
IV.ATCC.EHE. ML:1.0 0.00002565 0.54 AML other m 2023-07-09T07:56:06.58
IV.SSFR.HHE. ML:1.4 0.000049699999999999995 0.18 AML other m 2023-07-09T07:56:07.08
IV.SSFR.HHN. ML:1.3 0.000037199999999999996 0.38 AML other m 2023-07-09T07:56:07.72
IV.ARVD.HHE. ML:1.1 0.000019999999999999998 0.18 AML other m 2023-07-09T07:56:08.04
IV.MURB.HHE. ML:1.4 0.00005069999999999999 0.3 AML other m 2023-07-09T07:56:08.73
IV.ARVD.HHN. ML:0.8 0.000010294999999999999 0.76 AML other m 2023-07-09T07:56:09.77
IV.ASSB.HHE. ML:1.0 0.0000334 1.68 AML other m 2023-07-09T07:56:20.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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