Earthquake with magnitude of ML 1.1 on date 01-10-2023 and time 00:23:56 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 30-09-2023 22:23:56 (UTC)
  • 01-10-2023 00:23:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 13.2120 at 5 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 6 281 281
Montegallo AP 10 523 804
Montemonaco AP 11 604 1408
Ussita MC 11 444 1852
Arquata del Tronto AP 12 1178 3030
Norcia PG 12 4957 7987
Visso MC 13 1107 9094
Montefortino FM 14 1178 10272
Preci PG 14 724 10996
Bolognola MC 15 142 11138
Amandola FM 18 3629 14767
Accumoli RI 18 667 15434
Acquasanta Terme AP 19 2916 18350
Acquacanina MC 19 121 18471
Comunanza AP 20 3166 21637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 Km NW 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
Reviewed
Rev100
ML 1.1 2023-09-30
22:23:56
42.8592 13.2123 5 2023-09-30
22:33:08
Sala Sismica INGV-Roma 121629481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-30 22:23:56 ± 0.15
Latitude 42.8592 ± 0.0036
Longitude 13.2123 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121629481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 186
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 121629481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-30 22:33:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.NSC3.EHZ.02 2023-09-30T22:25:15.86 3.0 undecidable manual Sg 11.13 0
IV.SACR.HHZ. 2023-09-30T22:24:57.22 3.0 undecidable manual Sg 7.86 0
IV.OSSC.HHZ. 2023-09-30T22:24:45.79 3.0 undecidable manual Sn 2.33 0
IV.RCAV.EHZ. 2023-09-30T22:24:29.36 3.0 undecidable manual S -0.01 0
IV.BARO.EHZ. 2023-09-30T22:24:18.44 3.0 undecidable manual P 3.57 0
IV.CING.HHZ. 2023-09-30T22:24:15.68 3.0 undecidable manual S 0.25 0
IV.CRTC.HHZ. 2023-09-30T22:24:13.63 3.0 undecidable manual P -0.25 0
IV.ATCC.EHZ. 2023-09-30T22:24:07.55 3.0 negative manual P 0.89 0
IV.MF5.EHZ. 2023-09-30T22:24:06.23 0.6 undecidable manual S 55 24.6531 102 0.96 37
IV.SMA1.EHZ. 2023-09-30T22:24:06.11 0.6 undecidable manual S 158 27.2505 101 -0.05 49
IV.CESI.HHZ. 2023-09-30T22:24:06.89 0.3 undecidable manual S 303 29.748 100 -0.12 71
IV.GUMA.HHZ. 2023-09-30T22:24:05.86 0.6 undecidable manual S 24 24.6531 102 0.58 43
IV.ASSB.HHZ. 2023-09-30T22:24:05.64 3.0 negative manual P 0.64 0
IV.CSP1.EHZ. 2023-09-30T22:24:05.47 0.6 undecidable manual S 359 25.8519 102 -0.19 47
IV.TERO.HHZ. 2023-09-30T22:24:04.34 3.0 undecidable manual P 0.73 0
IV.FDMO.HHZ. 2023-09-30T22:24:04.41 0.6 undecidable manual S 333 22.1556 104 -0.01 49
IV.CESI.HHZ. 2023-09-30T22:24:02.38 0.1 undecidable manual P 303 29.748 100 -0.19 94
IV.SMA1.EHZ. 2023-09-30T22:24:02.03 1.0 positive manual P 158 27.2505 101 -0.05 24
IV.CSP1.EHZ. 2023-09-30T22:24:01.52 0.6 positive manual P 359 25.8519 102 -0.27 46
IV.GUMA.HHZ. 2023-09-30T22:24:01.67 1.0 positive manual P 24 24.6531 102 0.1 24
IV.MF5.EHZ. 2023-09-30T22:24:01.85 1.0 undecidable manual P 55 24.6531 102 0.29 23
IV.NRCA.HHZ. 2023-09-30T22:24:00.38 0.6 undecidable manual S 250 8.4804 122 0.39 47
IV.MMO1.EHZ. 2023-09-30T22:24:00.54 0.6 undecidable manual S 64 10.2786 118 -0.01 50
IV.FDMO.HHZ. 2023-09-30T22:24:00.97 1.0 negative manual P 333 22.1556 104 -0.1 24
IV.MC2.EHE. 2023-09-30T22:23:59.32 0.3 undecidable manual S 342 6.0939 131 -0.01 76
7F.SIB2.EHZ. 2023-09-30T22:23:59.71 0.6 undecidable manual S 64 8.2806 123 -0.21 48
7F.SIB2.EHZ. 2023-09-30T22:23:58.27 0.1 undecidable manual P 64 8.2806 123 -0.21 97
IV.NRCA.HHZ. 2023-09-30T22:23:58.77 0.1 positive manual P 250 8.4804 122 0.25 96
7F.SIB1.EHN. 2023-09-30T22:23:58.03 0.1 undecidable manual P 50 6.0939 131 -0.11 99
IV.MMO1.EHZ. 2023-09-30T22:23:58.78 0.6 positive manual P 64 10.2786 118 -0.06 50
IV.MC2.EHE. 2023-09-30T22:23:58.22 0.1 undecidable manual P 342 6.0939 131 0.08 100
7F.SIB3.EHZ. 2023-09-30T22:23:57.75 0.1 undecidable manual P 69 4.995 137 -0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.000972 0.18 AML other m 2023-09-30T22:24:00.82
IV.NRCA.HHE. ML:1.8 0.0011 0.18 AML other m 2023-09-30T22:24:00.91
IV.MMO1.EHN. ML:1.0 0.000174 0.9 AML other m 2023-09-30T22:24:00.84
IV.NRCA.HNN. ML:1.7 0.0009400000000000001 0.1 AML other m 2023-09-30T22:24:00.85
IV.NRCA.HHN. ML:1.7 0.001065 0.1 AML other m 2023-09-30T22:24:00.80
IV.MMO1.EHE. ML:1.1 0.000192 1.24 AML other m 2023-09-30T22:24:02.63
IV.FDMO.HHN. ML:0.8 0.000049000000000000005 1.44 AML other m 2023-09-30T22:24:05.13
IV.FDMO.HHE. ML:0.7 0.0000395 1.4 AML other m 2023-09-30T22:24:05.17
IV.GUMA.HHE. ML:1.6 0.00023549999999999998 0.6 AML other m 2023-09-30T22:24:06.15
IV.GUMA.HHN. ML:1.4 0.0001785 0.28 AML other m 2023-09-30T22:24:07.15
IV.CESI.HHN. ML:0.9 0.00003800000000000001 0.32 AML other m 2023-09-30T22:24:07.49
IV.CESI.HHE. ML:0.8 0.00003575 0.46 AML other m 2023-09-30T22:24:08.73
IV.TERO.HHN. ML:1.0 0.0000351 0.34 AML other m 2023-09-30T22:24:10.62
IV.TERO.HHE. ML:1.0 0.000030850000000000004 0.64 AML other m 2023-09-30T22:24:10.57
IV.SMA1.EHE. ML:0.7 0.000031899999999999996 0.74 AML other m 2023-09-30T22:24:12.29
IV.SMA1.EHN. ML:0.8 0.000041400000000000003 0.72 AML other m 2023-09-30T22:24:15.61
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