Earthquake with magnitude of ML 1.6 on date 27-09-2023 and time 04:53:03 (UTC) in region 2 km SW Preci (PG)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Preci (PG), on

  • 27-09-2023 04:53:03 (UTC)
  • 27-09-2023 06:53:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8620, 13.0280 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
Preci PG 2 724 724
Sellano PG 9 1079 1803
Visso MC 9 1107 2910
Norcia PG 9 4957 7867
Cerreto di Spoleto PG 10 1075 8942
Castelsantangelo sul Nera MC 11 281 9223
Ussita MC 13 444 9667
Monte Cavallo MC 15 145 9812
Cascia PG 16 3217 13029
Vallo di Nera PG 17 364 13393
Poggiodomo PG 18 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
99 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km W of Montesilvano (53738 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 1.6 2023-09-27
04:53:03
42.862 13.0282 11 2023-09-27
05:01:41
Sala Sismica INGV-Roma 121505421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-27 04:53:03 ± 0.06
Latitude 42.8620 ± 0.0027
Longitude 13.0282 ± 0.0049
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 121505421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 443
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
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) 126
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 121505421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-27 05:01:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-09-27T04:54:26.98 3.0 undecidable manual Sn -9.34 0
GU.GSCL.HHZ. 2023-09-27T04:54:14.10 3.0 undecidable manual Sn 10.03 0
IV.MGR.HNZ. 2023-09-27T04:54:12.38 3.0 undecidable manual Sn -0.5 0
GU.POPM.HHZ. 2023-09-27T04:54:11.33 3.0 undecidable manual Sg 13.35 0
IV.GIB.HHZ. 2023-09-27T04:54:05.17 3.0 positive manual Pg 10.41 0
GU.BURY.HHZ. 2023-09-27T04:54:00.06 3.0 positive manual Pn 9.44 0
IV.IFIL.HHZ. 2023-09-27T04:54:00.29 3.0 negative manual Pg 11.78 0
IV.MCRV.HHZ. 2023-09-27T04:53:59.67 3.0 undecidable manual Sn 1.51 0
FR.AJAC.HHZ.00 2023-09-27T04:53:59.61 3.0 positive manual Pg 21.18 0
IV.SPS2.HHZ. 2023-09-27T04:53:54.83 3.0 undecidable manual Pg 7.38 0
IV.ESML.HHZ. 2023-09-27T04:53:53.76 3.0 undecidable manual Pn -7.51 0
ZO.PDN2.EHZ. 2023-09-27T04:53:46.20 3.0 positive manual Pn 7.38 0
IV.NOCI.HHZ. 2023-09-27T04:53:44.12 3.0 positive manual Pn 4.89 0
IT.LRNO.HNZ. 2023-09-27T04:53:41.72 3.0 undecidable manual Sn -0.78 0
IV.CDRU.HHZ. 2023-09-27T04:53:40.73 3.0 undecidable manual Pg 11.26 0
IV.MGR.HNZ. 2023-09-27T04:53:38.34 3.0 undecidable manual Pn 4.06 0
IV.MOCL.EHZ. 2023-09-27T04:53:36.94 3.0 undecidable manual Pg 13.93 0
IV.MSSA.HHZ. 2023-09-27T04:53:35.94 3.0 positive manual Pn -0.63 0
IV.CAFI.HHZ. 2023-09-27T04:53:34.69 3.0 undecidable manual Sn -2.68 0
IV.SRES.HHZ. 2023-09-27T04:53:32.02 3.0 undecidable manual Sn 1.68 0
IV.ARRO.EHZ. 2023-09-27T04:53:27.96 3.0 undecidable manual Sn -0.44 0
IV.ARRO.EHZ. 2023-09-27T04:53:27.92 3.0 undecidable manual P 0
IV.FIAM.HHZ. 2023-09-27T04:53:24.37 3.0 undecidable manual Sn -3.98 0
IV.PE3.EHZ. 2023-09-27T04:53:23.21 3.0 undecidable manual Pg 8.34 0
IV.BRSN.HNZ. 2023-09-27T04:53:21.02 3.0 positive manual Pn -0.32 0
IV.RM33.EHZ. 2023-09-27T04:53:17.26 0.1 undecidable manual S 159 42.0246 50 0.05 95
IV.GUMA.HHZ. 2023-09-27T04:53:15.30 0.1 undecidable manual S 48 33.4443 50 0.38 90
IV.ASSB.HHZ. 2023-09-27T04:53:15.59 0.1 undecidable manual S 304 36.0417 50 -0.04 96
IV.SMA1.EHZ. 2023-09-27T04:53:15.50 0.3 undecidable manual S 136 35.8419 50 -0.07 71
IV.GIGS.HHZ. 2023-09-27T04:53:14.06 0.3 undecidable manual P 135 63.492 50 -0.63 59
IV.MML1.EHZ. 2023-09-27T04:53:13.31 0.3 undecidable manual S 351 28.2495 50 -0.24 70
IV.TERO.HHZ. 2023-09-27T04:53:13.04 0.1 undecidable manual P 119 53.9016 50 -0.17 90
IV.CSP1.EHZ. 2023-09-27T04:53:13.49 0.1 undecidable manual S 29 29.2485 50 -0.32 91
IV.LNSS.HHZ. 2023-09-27T04:53:13.52 0.3 undecidable manual S 178 28.749 50 -0.16 71
IV.ATCC.EHZ. 2023-09-27T04:53:12.40 0.1 undecidable manual P 319 47.7189 50 0.15 92
IV.SNTG.HHZ. 2023-09-27T04:53:11.88 0.1 undecidable manual P 351 44.1225 50 0.17 92
IV.RM33.EHZ. 2023-09-27T04:53:11.47 0.1 undecidable manual P 159 42.0246 50 0.1 94
IV.GIUL.HHZ. 2023-09-27T04:53:11.69 3.0 negative manual Pn -1.26 0
IV.MF5.EHZ. 2023-09-27T04:53:11.05 0.1 undecidable manual P 68 37.7289 50 0.34 90
IV.MOMA.HHZ. 2023-09-27T04:53:10.89 3.0 positive manual P 0.88 0
IV.CESI.HHZ. 2023-09-27T04:53:10.80 0.3 undecidable manual S 328 18.7701 119 -0.05 74
IV.SMA1.EHZ. 2023-09-27T04:53:10.34 0.1 undecidable manual P 136 35.8419 50 -0.09 95
IV.FDMO.HHZ. 2023-09-27T04:53:10.94 0.1 undecidable manual S 14 19.9689 118 -0.27 94
IV.GUMA.HHZ. 2023-09-27T04:53:10.23 0.1 undecidable manual P 48 33.4443 50 0.18 93
IV.ASSB.HHZ. 2023-09-27T04:53:10.39 0.1 undecidable manual P 304 36.0417 50 -0.07 95
IV.CSP1.EHZ. 2023-09-27T04:53:09.31 0.1 undecidable manual P 29 29.2485 50 -0.1 96
IV.LNSS.HHZ. 2023-09-27T04:53:09.48 0.1 undecidable manual P 178 28.749 50 0.15 95
IV.MML1.EHZ. 2023-09-27T04:53:09.32 0.1 undecidable manual P 351 28.2495 50 0.06 97
IV.CESI.HHZ. 2023-09-27T04:53:07.86 0.1 undecidable manual P 328 18.7701 119 0.16 96
IV.NRCA.HNZ. 2023-09-27T04:53:07.83 0.1 undecidable manual S 114 7.6812 144 -0.07 100
IV.FDMO.HHZ. 2023-09-27T04:53:07.92 0.1 undecidable manual P 14 19.9689 118 0.01 99
IV.NRCA.HNZ. 2023-09-27T04:53:06.17 0.1 undecidable manual P 114 7.6812 144 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.2 0.0020350000000000004 0.14 AML other m 2023-09-27T04:53:08.55
IV.NRCA.HHE. ML:2.2 0.00218 0.14 AML other m 2023-09-27T04:53:08.55
IV.NRCA.HNN. ML:1.9 0.001245 0.36 AML other m 2023-09-27T04:53:09.00
IV.NRCA.HHN. ML:2.0 0.001375 0.36 AML other m 2023-09-27T04:53:09.18
IV.CESI.HHN. ML:1.8 0.0004415 0.28 AML other m 2023-09-27T04:53:11.19
IV.CESI.HNN. ML:1.8 0.00046300000000000003 0.28 AML other m 2023-09-27T04:53:11.19
IV.FDMO.HHE. ML:1.8 0.000481 0.2 AML other m 2023-09-27T04:53:11.32
IV.CESI.HHE. ML:1.5 0.000263 0.52 AML other m 2023-09-27T04:53:11.33
IV.FDMO.HHN. ML:1.6 0.0003305 0.12 AML other m 2023-09-27T04:53:11.62
IV.CESI.HNE. ML:1.6 0.0002935 1.1 AML other m 2023-09-27T04:53:12.25
IV.CSP1.EHN. ML:1.8 0.0002735 1.28 AML other m 2023-09-27T04:53:13.96
IV.CSP1.EHE. ML:1.8 0.0003415 0.28 AML other m 2023-09-27T04:53:14.36
IV.MML1.EHN. ML:1.4 0.00013450000000000002 0.94 AML other m 2023-09-27T04:53:14.24
IV.MML1.EHE. ML:1.4 0.0001455 0.18 AML other m 2023-09-27T04:53:14.47
IV.LNSS.HHE. ML:1.4 0.00014049999999999997 0.18 AML other m 2023-09-27T04:53:14.82
IV.ASSB.HHE. ML:1.5 0.000126 0.16 AML other m 2023-09-27T04:53:15.98
IV.LNSS.HHN. ML:1.4 0.00014050000000000003 0.5 AML other m 2023-09-27T04:53:16.26
IV.ASSB.HHN. ML:1.6 0.00015 1.24 AML other m 2023-09-27T04:53:16.20
IV.GUMA.HNN. ML:1.9 0.000311 0.78 AML other m 2023-09-27T04:53:17.51
IV.SMA1.EHE. ML:1.6 0.00014649999999999998 1.04 AML other m 2023-09-27T04:53:18.14
IV.GUMA.HHE. ML:1.7 0.00022950000000000002 0.7 AML other m 2023-09-27T04:53:18.33
IV.GUMA.HNE. ML:1.7 0.0002295 0.36 AML other m 2023-09-27T04:53:18.70
IV.SMA1.EHN. ML:1.4 0.00009245000000000001 0.5 AML other m 2023-09-27T04:53:18.50
IV.SNTG.HHE. ML:1.1 0.00003535 1.48 AML other m 2023-09-27T04:53:18.94
IV.GUMA.HHN. ML:1.8 0.0002565 0.66 AML other m 2023-09-27T04:53:19.52
IV.ATCC.EHE. ML:1.6 0.00010425000000000001 1.04 AML other m 2023-09-27T04:53:21.32
IV.TERO.HHE. ML:1.6 0.00008679999999999998 1.06 AML other m 2023-09-27T04:53:21.36
IV.ATCC.EHN. ML:1.4 0.00007345 1.5 AML other m 2023-09-27T04:53:21.19
IV.TERO.HHN. ML:1.4 0.00006635 0.84 AML other m 2023-09-27T04:53:21.98
IV.SNTG.HHN. ML:1.1 0.00004145 0.74 AML other m 2023-09-27T04:53:22.88
IV.ARRO.EHE. ML:1.2 0.00006745 0.46 AML other m 2023-09-27T04:53:34.17
IV.ARRO.EHN. ML:1.2 0.00006120000000000001 0.66 AML other m 2023-09-27T04:53:34.19
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