Earthquake with magnitude of ML 1.2 on date 23-09-2023 and time 06:38:24 (Italy) in region 6 km NE Campello sul Clitunno (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km NE Campello sul Clitunno (PG), on

  • 23-09-2023 04:38:24 (UTC)
  • 23-09-2023 06:38:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8550, 12.8430 at 11 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
Campello sul Clitunno PG 7 2442 2442
Cerreto di Spoleto PG 7 1075 3517
Sellano PG 8 1079 4596
Trevi PG 8 8469 13065
Vallo di Nera PG 10 364 13429
Sant'Anatolia di Narco PG 13 564 13993
Castel Ritaldi PG 14 3278 17271
Spoleto PG 16 38218 55489
Scheggino PG 16 461 55950
Foligno PG 16 57155 113105
Montefalco PG 16 5679 118784
Preci PG 16 724 119508
Poggiodomo PG 18 117 119625

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
74 Km W of Teramo (54892 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 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
04:38:24
42.8548 12.8428 11 2023-09-23
04:45:06
Sala Sismica INGV-Roma 121377601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-23 04:38:24 ± 0.04
Latitude 42.8548 ± 0.0018
Longitude 12.8428 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121377601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.15648
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 121377601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-23 04:45:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-09-23T04:38:34.02 0.3 undecidable manual S 44 28.2495 50 -0.08 73
IV.MML1.EHZ. 2023-09-23T04:38:34.82 0.6 undecidable manual S 20 30.5472 50 0.12 48
IV.NRCA.HHZ. 2023-09-23T04:38:32.58 0.1 undecidable manual S 96 22.1556 50 0.1 98
IV.GAVE.EHZ. 2023-09-23T04:38:31.37 0.1 undecidable manual S 167 18.5703 120 -0.06 99
IV.CSP1.EHZ. 2023-09-23T04:38:31.53 0.1 undecidable manual P 48 39.4272 50 -0.02 96
IV.CESI.HHZ. 2023-09-23T04:38:31.12 0.1 undecidable manual S 17 17.3715 122 0.04 100
IV.LNSS.HHZ. 2023-09-23T04:38:30.59 0.3 undecidable manual P 150 32.2455 50 0.14 71
IV.MML1.EHZ. 2023-09-23T04:38:30.02 0.3 undecidable manual P 20 30.5472 50 -0.16 71
IV.FDMO.HHZ. 2023-09-23T04:38:29.74 0.1 undecidable manual P 44 28.2495 50 -0.09 97
IV.MOMA.HHZ. 2023-09-23T04:38:29.04 0.1 undecidable manual P 256 22.8549 50 0.03 99
IV.CESI.HHZ. 2023-09-23T04:38:28.17 0.1 undecidable manual P 17 17.3715 122 0.08 99
IV.GAVE.EHZ. 2023-09-23T04:38:28.28 0.1 undecidable manual P 167 18.5703 120 -0.01 100
IV.NRCA.HHZ. 2023-09-23T04:38:28.84 0.1 undecidable manual P 96 22.1556 50 -0.06 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.3 0.0001579099 0.16 AML other m 2023-09-23T04:38:31.76
IV.GAVE.EHN. ML:1.2 0.00013477346500000002 0.16 AML other m 2023-09-23T04:38:32.29
IV.CESI.HHE. ML:0.9 0.000057521525 0.3584 AML other m 2023-09-23T04:38:31.99
IV.CESI.HHN. ML:1.1 0.000106075 0.4608 AML other m 2023-09-23T04:38:31.57
IV.CESI.HNE. ML:1.2 0.0001130322 1.36 AML other m 2023-09-23T04:38:29.85
IV.GAVE.HNE. ML:1.4 0.00018526789999999998 0.16 AML other m 2023-09-23T04:38:31.68
IV.GAVE.HNN. ML:1.3 0.00015947554999999998 0.8512 AML other m 2023-09-23T04:38:28.75
IV.NRCA.HHE. ML:0.7 0.00003440155 0.08 AML other m 2023-09-23T04:38:34.93
IV.NRCA.HHN. ML:0.8 0.00004027628 0.1376 AML other m 2023-09-23T04:38:34.25
IV.NRCA.HNE. ML:1.4 0.00015615475000000002 1.44 AML other m 2023-09-23T04:38:34.45
IV.NRCA.HNN. ML:1.4 0.00018742215000000002 0.7808 AML other m 2023-09-23T04:38:40.17
IV.MOMA.HHE. ML:0.9 0.000057304865 0.3392 AML other m 2023-09-23T04:38:32.57
IV.MOMA.HHN. ML:1.0 0.000069216785 1.6416 AML other m 2023-09-23T04:38:33.44
IV.MOMA.HNE. ML:1.3 0.00011779947499999999 1.1616 AML other m 2023-09-23T04:38:30.60
IV.MOMA.HNN. ML:1.3 0.00013943725 0.8576 AML other m 2023-09-23T04:38:29.58
IV.FDMO.HHE. ML:0.8 0.000034327899999999994 0.16 AML other m 2023-09-23T04:38:34.50
IV.FDMO.HHN. ML:0.8 0.000028070315 0.2592 AML other m 2023-09-23T04:38:35.48
IV.MML1.HNE. ML:1.4 0.00012530744999999998 1.4688 AML other m 2023-09-23T04:38:34.41
IV.MML1.HNN. ML:1.4 0.0001134442 2.9792 AML other m 2023-09-23T04:38:38.12
IV.LNSS.HHE. ML:1.1 0.00005558686 0.2208 AML other m 2023-09-23T04:38:36.82
IV.LNSS.HHN. ML:1.2 0.00006379351 2.48 AML other m 2023-09-23T04:38:39.99
IV.LNSS.HNE. ML:1.4 0.0001250844 1.488 AML other m 2023-09-23T04:38:37.75
IV.LNSS.HNN. ML:1.6 0.00016676659999999998 1.408 AML other m 2023-09-23T04:38:32.89
IV.CSP1.EHE. ML:1.5 0.000104591485 0.6208 AML other m 2023-09-23T04:38:38.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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