Earthquake with magnitude of ML 1.4 on date 09-07-2023 and time 09:55:44 (Italy) in region 2 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km W 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) 42.8850, 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 6 1107 1388
Ussita MC 7 444 1832
Preci PG 7 724 2556
Norcia PG 11 4957 7513
Bolognola MC 15 142 7655
Monte Cavallo MC 16 145 7800
Sellano PG 16 1079 8879
Montemonaco AP 16 604 9483
Acquacanina MC 17 121 9604
Fiastra MC 17 559 10163
Fiordimonte MC 17 202 10365
Montegallo AP 17 523 10888
Montefortino FM 19 1178 12066
Arquata del Tronto AP 19 1178 13244
Cerreto di Spoleto PG 19 1075 14319
Pieve Torina MC 19 1458 15777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
98 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 1.4 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 ± 0.11
Latitude 42.8848 ± 0.0090
Longitude 13.1278 ± 0.0123
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119099031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1100
Semi-minor axis of confidence ellipse (meter) 870
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 0
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81029
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 0
Magnitude information

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
ST.OZOL.EHZ. 2023-07-09T07:57:29.57 3.0 undecidable manual Sn 3.54 0
IV.VOBA.EHZ. 2023-07-09T07:57:15.85 3.0 undecidable manual Sn 1.25 0
CH.FUSIO.HHZ. 2023-07-09T07:57:14.85 3.0 negative manual Pg 21.440001 0
AC.VLO.HHZ. 2023-07-09T07:57:13.04 3.0 undecidable manual Pg 17.209999 0
OT.CGL1.HHZ. 2023-07-09T07:56:51.55 3.0 undecidable manual Pg 14.74 0
IV.NOCI.HHZ. 2023-07-09T07:56:38.06 3.0 positive manual Pn 6.22 0
NI.PALA.HHZ. 2023-07-09T07:56:36.33 3.0 undecidable manual Pn 3.08 0
MN.TRI.HHZ. 2023-07-09T07:56:35.88 3.0 undecidable manual Pg 9.9 0
IV.VAGA.HHZ. 2023-07-09T07:56:24.97 3.0 undecidable manual Sn 0.49 0
IV.BDI.HHZ. 2023-07-09T07:56:23.73 3.0 undecidable manual Pg 6.02 0
IV.CSNT.HHZ. 2023-07-09T07:56:09.97 3.0 positive manual Pn 2.26 0
IV.ARVD.HHZ. 2023-07-09T07:56:07.62 3.0 undecidable manual S -0.27 0
IV.SSFR.HHZ. 2023-07-09T07:56:07.01 3.0 undecidable manual S -0.7 0
IV.RM33.EHZ. 2023-07-09T07:55:58.37 3.0 undecidable manual S 170 42.3243 50 -0.06 0
IV.MURB.HHZ. 2023-07-09T07:55:56.59 3.0 positive manual Pg 0.86 0
IV.LNSS.HHN. 2023-07-09T07:55:56.38 3.0 undecidable manual S 32.0457 0.67 0
IV.MF5.EHE. 2023-07-09T07:55:55.31 3.0 undecidable manual S 67 29.2485 50 0.35 0
IV.LNSS.HHN. 2023-07-09T07:55:55.88 3.0 undecidable manual P 32.0457 4.93 0
IV.PF6.EHN. 2023-07-09T07:55:54.79 3.0 undecidable manual S 11 28.5492 50 0.01 0
IV.ATCC.EHZ. 2023-07-09T07:55:54.34 3.0 undecidable manual Pg 0.19 0
IV.GUMA.HHZ. 2023-07-09T07:55:54.62 3.0 undecidable manual S 40 25.9518 50 0.55 0
IV.MTRA.HNZ. 2023-07-09T07:55:54.11 3.0 undecidable manual S 123 26.0517 50 0 0
IV.CSP1.EHZ. 2023-07-09T07:55:53.32 3.0 undecidable manual S 15 23.754 113 -0.08 0
IV.GAVE.HNE. 2023-07-09T07:55:53.67 3.0 undecidable manual S 222 28.6491 50 -1.11 0
IV.TERO.HHZ. 2023-07-09T07:55:53.50 3.0 undecidable manual P 127 48.4182 50 0.03 93
IV.ASSB.HHZ. 2023-07-09T07:55:52.55 3.0 undecidable manual P -0.27 0
IV.CESI.HHE. 2023-07-09T07:55:52.30 3.0 undecidable manual S 306 22.4553 114 -0.69 0
IV.RM33.EHZ. 2023-07-09T07:55:52.49 3.0 undecidable manual P 170 42.3243 50 -0.03 94
IV.T0110.HHZ. 2023-07-09T07:55:51.97 3.0 undecidable manual P 89.9433 -7.9 0
IV.GIGS.HHE. 2023-07-09T07:55:51.18 3.0 undecidable manual P 143 60.0954 50 -4.09 4
IV.GUMA.HHZ. 2023-07-09T07:55:50.42 3.0 undecidable manual P 40 25.9518 50 0.42 45
IV.GAVE.HNE. 2023-07-09T07:55:50.47 3.0 undecidable manual P 222 28.6491 50 0.06 96
7F.SIB2.EHN. 2023-07-09T07:55:50.00 3.0 undecidable manual S 87 14.2746 125 -0.5 0
IV.FDMO.HHZ. 2023-07-09T07:55:50.92 3.0 undecidable manual S 349 17.1717 120 -0.41 0
IV.MTRA.HNZ. 2023-07-09T07:55:50.18 3.0 undecidable manual P 123 26.0517 50 0.16 94
IV.PF6.EHN. 2023-07-09T07:55:50.35 3.0 undecidable manual P 11 28.5492 50 -0.06 96
IT.MTCL.HGN. 2023-07-09T07:55:50.46 3.0 undecidable manual S 319 15.9729 122 -0.52 0
IV.MMO1.HNZ. 2023-07-09T07:55:50.94 3.0 undecidable manual S 84 16.2726 122 -0.12 0
7F.SIB1.EHZ. 2023-07-09T07:55:49.58 3.0 undecidable manual S 85 11.5773 131 -0.18 0
IV.CSP1.EHZ. 2023-07-09T07:55:49.61 3.0 undecidable manual P 15 23.754 113 -0.01 98
IV.CESI.HHE. 2023-07-09T07:55:49.50 3.0 undecidable manual P 306 22.4553 114 0.12 96
7F.SIB3.EHN. 2023-07-09T07:55:49.19 3.0 undecidable manual S 95 11.5773 131 -0.57 0
7F.SIB2.EHN. 2023-07-09T07:55:48.06 3.0 undecidable manual P 87 14.2746 125 0.12 97
IV.FDMO.HHZ. 2023-07-09T07:55:48.52 3.0 undecidable manual P 349 17.1717 120 0.1 24
IV.MF5.EHE. 2023-07-09T07:55:48.80 3.0 undecidable manual P 67 29.2485 50 -1.72 47
IV.FEMA.HNN. 2023-07-09T07:55:48.99 3.0 undecidable manual S 324 10.6782 133 -0.53 0
IT.MTCL.HGN. 2023-07-09T07:55:48.21 3.0 undecidable manual P 319 15.9729 122 -0.01 99
IV.MMO1.HNZ. 2023-07-09T07:55:48.46 3.0 undecidable manual P 84 16.2726 122 0.19 95
IV.NRCA.HHZ. 2023-07-09T07:55:47.52 3.0 undecidable manual S 191 5.7942 150 -0.93 0
7F.SIB1.EHZ. 2023-07-09T07:55:47.72 3.0 undecidable manual P 85 11.5773 131 0.21 96
IV.FEMA.HNN. 2023-07-09T07:55:47.37 3.0 undecidable manual P 324 10.6782 133 -0.01 100
7F.SIB3.EHN. 2023-07-09T07:55:47.73 3.0 undecidable manual P 95 11.5773 131 0.22 96
IV.NRCA.HHZ. 2023-07-09T07:55:46.60 3.0 positive manual P 191 5.7942 150 -0.16 98
IV.ARRO.EHN. 2023-07-09T07:55:43.87 3.0 undecidable manual P 44.9217 -9.06 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.2 0.0028399999999999996 1.6 AML other m 2023-07-09T07:55:47.86
IV.NRCA.HNN. ML:2.2 0.002455 1.62 AML other m 2023-07-09T07:55:47.87
IV.NRCA.HHE. ML:2.2 0.002525 0.2 AML other m 2023-07-09T07:55:48.30
IV.NRCA.HNE. ML:2.2 0.0023049999999999998 0.22 AML other m 2023-07-09T07:55:48.31
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.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.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
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