Earthquake with magnitude of ML 1.2 on date 23-09-2023 and time 18:22:03 (UTC) in region 7 km SW Fabriano (AN)

A magnitude ML 1.2 earthquake occured in region: 7 km SW Fabriano (AN), on

  • 23-09-2023 18:22:03 (UTC)
  • 23-09-2023 20:22:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2870, 12.8610 at 15 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
Fabriano AN 7 31480 31480
Fossato di Vico PG 8 2840 34320
Esanatoglia MC 8 2034 36354
Gualdo Tadino PG 9 15208 51562
Cerreto d'Esi AN 11 3817 55379
Sigillo PG 11 2404 57783
Fiuminata MC 12 1402 59185
Matelica MC 13 9981 69166
Costacciaro PG 15 1216 70382
Pioraco MC 16 1134 71516
Sassoferrato AN 17 7285 78801
Genga AN 17 1797 80598
Sefro MC 17 422 81020
Gagliole MC 18 620 81640
Castelraimondo MC 18 4587 86227

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
63 Km S of Fano (60888 inhabitants)
65 Km SW of Ancona (100861 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
82 Km E of Arezzo (99543 inhabitants)
83 Km N of Terni (111501 inhabitants)
89 Km S of Rimini (147750 inhabitants)
98 Km NW of Teramo (54892 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 1.2 2023-09-23
18:22:03
43.2872 12.861 15 2023-09-23
18:29:28
Sala Sismica INGV-Roma 121405131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-23 18:22:03 ± 0.05
Latitude 43.2872 ± 0.0018
Longitude 12.8610 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121405131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 346
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 121405131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-23 18:29:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-09-23T18:22:17.28 0.6 undecidable manual S 328 42.4242 97 0.2 45
IV.MPAG.EHZ. 2023-09-23T18:22:16.29 0.6 undecidable manual S 348 38.8278 98 0.16 46
IV.PIEI.HHZ. 2023-09-23T18:22:15.87 0.3 undecidable manual S 316 38.0286 98 -0.07 71
IV.CSP1.EHZ. 2023-09-23T18:22:15.27 0.6 undecidable manual S 128 35.2425 99 0.08 47
IV.FDMO.HHZ. 2023-09-23T18:22:14.69 0.3 undecidable manual S 147 33.3444 100 0.01 72
IV.FRON.EHZ. 2023-09-23T18:22:13.20 0.6 undecidable manual S 337 27.8499 103 -0.03 48
IV.MURB.HHZ. 2023-09-23T18:22:13.48 0.6 undecidable manual S 264 27.2505 103 0.37 45
IV.ARVD.HHZ. 2023-09-23T18:22:12.43 0.3 undecidable manual S 15 24.2535 106 0.1 72
IV.MML1.EHZ. 2023-09-23T18:22:11.59 0.3 undecidable manual S 155 21.2676 110 0.04 73
IV.ATSC.EHZ. 2023-09-23T18:22:11.31 0.6 undecidable manual S 317 20.6682 111 -0.11 48
IV.NARO.HHZ. 2023-09-23T18:22:11.04 1.0 undecidable manual P 328 42.4242 97 -0.2 23
IV.PIEI.HHZ. 2023-09-23T18:22:10.37 0.6 positive manual P 316 38.0286 98 -0.21 46
IV.CSP1.EHZ. 2023-09-23T18:22:10.39 1.0 positive manual P 128 35.2425 99 0.25 23
IV.MPAG.EHZ. 2023-09-23T18:22:10.66 1.0 undecidable manual P 348 38.8278 98 -0.03 24
IV.MURB.HHZ. 2023-09-23T18:22:09.02 1.0 positive manual P 264 27.2505 103 0.08 24
IV.FDMO.HHZ. 2023-09-23T18:22:09.67 0.6 positive manual P 147 33.3444 100 -0.17 46
IV.ARVD.HHZ. 2023-09-23T18:22:08.60 0.1 undecidable manual P 15 24.2535 106 0.11 96
IV.SNTG.HHZ. 2023-09-23T18:22:08.50 0.1 undecidable manual S 119 7.3815 147 -0.09 99
IV.FRON.EHZ. 2023-09-23T18:22:08.90 0.1 undecidable manual P 337 27.8499 103 -0.12 95
IV.FOSV.EHZ. 2023-09-23T18:22:08.65 0.1 undecidable manual S 276 8.0808 144 -0.06 100
IV.ATSC.EHZ. 2023-09-23T18:22:07.84 0.1 undecidable manual P 317 20.6682 111 -0.12 96
IV.MML1.EHZ. 2023-09-23T18:22:07.96 0.1 positive manual P 155 21.2676 110 -0.08 97
IV.FOSV.EHZ. 2023-09-23T18:22:06.40 0.1 undecidable manual P 276 8.0808 144 0 100
IV.SNTG.HHZ. 2023-09-23T18:22:06.41 0.1 undecidable manual P 119 7.3815 147 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:1.3 0.00022600000000000002 0.1 AML other m 2023-09-23T18:22:08.80
IV.FOSV.EHN. ML:1.4 0.0002465 0.1 AML other m 2023-09-23T18:22:08.83
IV.SNTG.HHE. ML:1.0 0.00009934999999999999 0.98 AML other m 2023-09-23T18:22:08.87
IV.SNTG.HHN. ML:1.0 0.0001145 0.16 AML other m 2023-09-23T18:22:09.48
IV.MML1.EHN. ML:1.0 0.0000688 0.76 AML other m 2023-09-23T18:22:12.97
IV.MML1.EHE. ML:1.0 0.00006469999999999999 0.48 AML other m 2023-09-23T18:22:13.51
IV.FRON.EHE. ML:1.2 0.00007445 0.16 AML other m 2023-09-23T18:22:13.28
IV.FRON.EHN. ML:1.3 0.00008845 0.3 AML other m 2023-09-23T18:22:13.51
IV.FOSV.HNE. ML:1.4 0.00023478100000000001 0.0896 AML other m 2023-09-23T18:22:08.79
IV.FOSV.HNN. ML:1.4 0.0002419383 0.0896 AML other m 2023-09-23T18:22:08.87
IV.SNTG.HNE. ML:1.0 0.00011496356 0.448 AML other m 2023-09-23T18:22:11.30
IV.SNTG.HNN. ML:1.1 0.0001232961 0.0768 AML other m 2023-09-23T18:22:09.51
IV.MML1.HNN. ML:1.2 0.00009292924000000001 1.3696 AML other m 2023-09-23T18:22:12.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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