Earthquake with magnitude of ML 1.4 on date 22-09-2023 and time 19:57:12 (UTC) in region 5 km NW Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 22-09-2023 19:57:12 (UTC)
  • 22-09-2023 21:57:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7270, 13.2040 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
Accumoli RI 5 667 667
Arquata del Tronto AP 9 1178 1845
Norcia PG 12 4957 6802
Cittareale RI 13 482 7284
Amatrice RI 13 2657 9941
Cascia PG 16 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
89 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
96 Km E 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 2023-09-22
19:57:12
42.727 13.2045 10 2023-09-22
20:06:51
Sala Sismica INGV-Roma 121371861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 19:57:12 ± 0.04
Latitude 42.7270 ± 0.0027
Longitude 13.2045 ± 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 121371861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47214
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 121371861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 20:06:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2023-09-22T19:57:32.57 3.0 undecidable manual P -0.06 0
IV.FIAM.HHZ. 2023-09-22T19:57:28.42 0.6 undecidable manual S 188 51.4152 50 0.03 47
IV.GIGS.HHZ. 2023-09-22T19:57:25.59 0.6 undecidable manual S 135 42.7239 50 -0.48 43
IV.MF5.EHZ. 2023-09-22T19:57:25.02 0.6 undecidable manual S 36 35.6421 50 0.85 38
IV.CSP1.EHZ. 2023-09-22T19:57:25.49 0.6 undecidable manual S 0 40.4262 50 0.02 48
IV.GUMA.HHZ. 2023-09-22T19:57:25.68 0.6 undecidable manual S 16 38.7279 50 0.68 41
IV.TERO.HHZ. 2023-09-22T19:57:23.56 0.6 undecidable manual S 109 34.5432 50 -0.33 45
IV.GAVE.EHZ. 2023-09-22T19:57:21.26 0.6 undecidable manual S 261 25.5522 50 -0.24 47
IV.CAMP.HHZ. 2023-09-22T19:57:21.74 0.6 undecidable manual S 142 26.9508 50 -0.13 48
IV.FIAM.HHZ. 2023-09-22T19:57:21.52 1.0 undecidable manual P 188 51.4152 50 0.04 23
IV.RM33.EHZ. 2023-09-22T19:57:21.29 0.6 undecidable manual S 178 24.1536 50 0.16 48
IV.MOMA.HHZ. 2023-09-22T19:57:21.52 0.6 undecidable manual P 280 52.4031 50 -0.1 46
IV.MMO1.EHZ. 2023-09-22T19:57:20.05 0.6 undecidable manual S 27 21.5673 116 -0.28 47
IV.MC2.EHZ. 2023-09-22T19:57:20.16 0.6 undecidable manual S 356 20.4684 117 0.16 48
IV.CSP1.EHZ. 2023-09-22T19:57:19.65 1.0 negative manual P 0 40.4262 50 -0.14 23
IV.LNSS.HHZ. 2023-09-22T19:57:19.70 0.6 undecidable manual S 224 19.1697 118 0.1 49
IV.GUMA.HHZ. 2023-09-22T19:57:19.74 1.0 negative manual P 16 38.7279 50 0.22 23
7F.SIB2.EHZ. 2023-09-22T19:57:19.44 0.6 undecidable manual S 24 19.9689 117 -0.38 46
IV.GIGS.HHZ. 2023-09-22T19:57:19.80 1.0 undecidable manual P 135 42.7239 50 -0.35 22
IV.MF5.EHZ. 2023-09-22T19:57:19.34 0.6 negative manual P 36 35.6421 50 0.3 46
7F.SIB1.EHZ. 2023-09-22T19:57:19.64 0.6 undecidable manual S 16 19.3695 118 -0.01 50
IV.SMA1.EHZ. 2023-09-22T19:57:18.58 0.6 undecidable manual S 135 15.0738 124 0.19 48
7F.SIB3.EHZ. 2023-09-22T19:57:18.72 0.6 undecidable manual S 18 17.2716 121 -0.3 47
IV.FDMO.HHZ. 2023-09-22T19:57:18.77 0.6 negative manual Pg -0.11 0.91
IV.MTRA.HNZ. 2023-09-22T19:57:18.55 0.6 undecidable manual S 78 15.9729 123 -0.09 49
IV.TERO.HHZ. 2023-09-22T19:57:18.65 0.6 positive manual P 109 34.5432 50 -0.23 46
IV.RM33.EHZ. 2023-09-22T19:57:17.27 1.0 positive manual P 178 24.1536 50 -0.01 25
IV.GAVE.EHZ. 2023-09-22T19:57:17.38 0.1 undecidable manual P 261 25.5522 50 -0.12 96
IV.CAMP.HHZ. 2023-09-22T19:57:17.70 0.3 undecidable manual P 142 26.9508 50 -0.01 74
IV.NRCA.HNZ. 2023-09-22T19:57:17.83 0.6 undecidable manual S 328 13.875 127 -0.22 48
IV.MC2.EHZ. 2023-09-22T19:57:16.71 0.1 undecidable manual P 356 20.4684 117 0.08 98
7F.SIB1.EHZ. 2023-09-22T19:57:16.49 0.1 undecidable manual P 16 19.3695 118 0.06 99
7F.SIB3.EHZ. 2023-09-22T19:57:16.08 0.1 undecidable manual P 18 17.2716 121 0.01 100
IV.LNSS.HHZ. 2023-09-22T19:57:16.57 0.1 positive manual P 224 19.1697 118 0.16 97
7F.SIB2.EHZ. 2023-09-22T19:57:16.42 0.1 undecidable manual P 24 19.9689 117 -0.11 98
IV.MMO1.EHZ. 2023-09-22T19:57:16.70 0.6 undecidable manual P 27 21.5673 116 -0.12 49
IV.NRCA.HNZ. 2023-09-22T19:57:15.57 0.1 negative manual P 328 13.875 127 0.06 100
IV.MTRA.HNZ. 2023-09-22T19:57:15.96 0.1 undecidable manual P 78 15.9729 123 0.11 98
IV.SMA1.EHZ. 2023-09-22T19:57:15.99 0.1 positive manual P 135 15.0738 124 0.29 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.000178 0.2 AML other m 2023-09-22T19:57:18.79
IV.SMA1.EHN. ML:1.0 0.000099742015 0.0768 AML other m 2023-09-22T19:57:19.78
IV.LNSS.HHE. ML:1.5 0.00022254850000000002 0.2816 AML other m 2023-09-22T19:57:19.88
IV.LNSS.HHN. ML:1.6 0.000273062 0.1792 AML other m 2023-09-22T19:57:20.10
IV.RM33.EHE. ML:1.1 0.00008225000000000001 0.12 AML other m 2023-09-22T19:57:21.71
IV.GAVE.EHE. ML:1.6 0.00020963785 0.1792 AML other m 2023-09-22T19:57:21.47
IV.RM33.EHN. ML:1.0 0.000060502095000000004 0.1152 AML other m 2023-09-22T19:57:21.49
IV.GAVE.EHN. ML:1.4 0.0001496159 0.1024 AML other m 2023-09-22T19:57:22.55
IV.TERO.HHN. ML:1.5 0.0001235 0.08 AML other m 2023-09-22T19:57:24.07
IV.TERO.HHE. ML:1.2 0.00006704337500000001 0.0768 AML other m 2023-09-22T19:57:24.62
IV.GUMA.HHE. ML:2.0 0.0003215 0.24 AML other m 2023-09-22T19:57:25.87
IV.GUMA.HHN. ML:1.8 0.00019800000000000002 0.28 AML other m 2023-09-22T19:57:26.28
IV.MOMA.HHE. ML:1.4 0.000058899999999999995 0.24 AML other m 2023-09-22T19:57:29.80
IV.MOMA.HHN. ML:1.4 0.000058039505 0.2304 AML other m 2023-09-22T19:57:30.64
IV.LNSS.HNE. ML:1.4 0.00021485595000000001 0.2688 AML other m 2023-09-22T19:57:19.89
IV.LNSS.HNN. ML:1.6 0.00027254221 0.2048 AML other m 2023-09-22T19:57:20.11
IV.RM33.HNE. ML:1.3 0.00011313076 0.832 AML other m 2023-09-22T19:57:22.12
IV.RM33.HNN. ML:1.4 0.0001387928 0.768 AML other m 2023-09-22T19:57:21.34
IV.GAVE.HNE. ML:1.5 0.0001992873 0.2176 AML other m 2023-09-22T19:57:21.66
IV.GAVE.HNN. ML:1.4 0.00013142625000000003 0.8192 AML other m 2023-09-22T19:57:21.07
IV.CAMP.HHE. ML:1.1 0.00006785309000000001 0.1792 AML other m 2023-09-22T19:57:21.91
IV.CAMP.HHN. ML:0.9 0.000044028035 0.2176 AML other m 2023-09-22T19:57:21.96
IV.TERO.HNE. ML:1.1 0.000050849155 0.7936 AML other m 2023-09-22T19:57:23.68
IV.TERO.HNN. ML:1.6 0.00014503055 0.0896 AML other m 2023-09-22T19:57:24.08
IV.FDMO.HHE. ML:1.0 0.000033047254999999995 0.1664 AML other m 2023-09-22T19:57:26.25
IV.FDMO.HHN. ML:1.0 0.00004137001 0.1664 AML other m 2023-09-22T19:57:26.06
IV.MF5.EHE. ML:1.2 0.00007177829499999999 1.344 AML other m 2023-09-22T19:57:38.85
IV.MF5.EHN. ML:1.1 0.00005200782000000001 1.28 AML other m 2023-09-22T19:57:25.52
IV.CSP1.EHE. ML:1.3 0.00006529604 0.64 AML other m 2023-09-22T19:57:25.86
IV.CSP1.EHN. ML:1.5 0.00011524726 0.9856 AML other m 2023-09-22T19:57:26.35
IV.GUMA.HNE. ML:1.7 0.00018958435 0.576 AML other m 2023-09-22T19:57:28.45
IV.GUMA.HNN. ML:2.0 0.00037154125 0.192 AML other m 2023-09-22T19:57:25.88
IV.MOMA.HNE. ML:1.6 0.000090017105 0.576 AML other m 2023-09-22T19:57:39.51
IV.MOMA.HNN. ML:1.8 0.0001596902 1.0112 AML other m 2023-09-22T19:57:25.45
IV.FIAM.HHE. ML:1.1 0.000028986190000000003 1.1392 AML other m 2023-09-22T19:57:24.96
IV.FIAM.HHN. ML:1.0 0.000025869034999999998 2.4704 AML other m 2023-09-22T19:57:29.41
IV.FIAM.HNE. ML:1.4 0.000067668785 0.4608 AML other m 2023-09-22T19:57:28.97
IV.FIAM.HNN. ML:1.5 0.00008430224 0.128 AML other m 2023-09-22T19:57:30.09
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