Earthquake with magnitude of ML 1.7 on date 04-11-2023 and time 02:56:34 (Italy) in region 3 km E Preci (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km E Preci (PG), on

  • 04-11-2023 01:56:34 (UTC)
  • 04-11-2023 02:56:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8800, 13.0780 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
Preci PG 3 724 724
Visso MC 6 1107 1831
Castelsantangelo sul Nera MC 6 281 2112
Ussita MC 9 444 2556
Norcia PG 10 4957 7513
Sellano PG 12 1079 8592
Monte Cavallo MC 14 145 8737
Cerreto di Spoleto PG 15 1075 9812
Fiordimonte MC 18 202 10014
Bolognola MC 18 142 10156
Acquacanina MC 19 121 10277
Fiastra MC 19 559 10836
Pieve Torina MC 19 1458 12294
Cascia PG 19 3217 15511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
97 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 1.7 2023-11-04
01:56:34
42.8795 13.0785 11 2023-11-04
02:02:21
Sala Sismica INGV-Roma 122754361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-04 01:56:34 ± 0.05
Latitude 42.8795 ± 0.0027
Longitude 13.0785 ± 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 122754361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 122754361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-04 02:02:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2023-11-04T01:57:11.51 3.0 undecidable manual S 0.5 0
IV.SMA1.EHZ. 2023-11-04T01:56:47.33 0.6 undecidable manual S 143 34.6431 91 1.01 36
IV.LNSS.HHZ. 2023-11-04T01:56:45.07 0.6 undecidable manual S 186 30.8469 91 -0.23 46
IV.CSP1.EHZ. 2023-11-04T01:56:44.02 0.6 undecidable manual S 23 25.6521 91 0.09 49
IV.MML1.EHZ. 2023-11-04T01:56:44.19 0.6 undecidable manual S 342 27.3504 91 -0.19 46
IV.GAVE.HNZ. 2023-11-04T01:56:43.82 0.6 undecidable manual S 216 25.6521 91 -0.09 48
IV.CESI.HHZ. 2023-11-04T01:56:42.04 0.3 undecidable manual S 315 19.869 92 -0.32 68
7F.SIB2.EHE. 2023-11-04T01:56:41.75 0.6 undecidable manual S 86 18.3705 92 -0.22 46
7F.SIB1.EHE. 2023-11-04T01:56:41.21 0.6 undecidable manual S 84 15.6732 95 -0.05 49
IV.FDMO.HHZ. 2023-11-04T01:56:41.70 0.6 undecidable manual S 2 17.4714 93 -0.03 48
IV.SMA1.EHZ. 2023-11-04T01:56:41.24 0.1 undecidable manual P 143 34.6431 91 -0.13 92
IV.MML1.EHZ. 2023-11-04T01:56:40.20 0.1 undecidable manual P 342 27.3504 91 -0.05 95
IV.LNSS.HHZ. 2023-11-04T01:56:40.63 1.0 positive manual P 186 30.8469 91 -0.16 23
7F.SIB3.EHE. 2023-11-04T01:56:40.92 0.6 undecidable manual S 92 15.5733 95 -0.31 46
IV.MC2.EHE. 2023-11-04T01:56:40.10 0.6 undecidable manual S 68 9.6792 123 0.35 46
IV.GAVE.HNZ. 2023-11-04T01:56:40.02 0.1 undecidable manual P 216 25.6521 91 0.04 97
IV.FEMA.HNE. 2023-11-04T01:56:39.80 0.3 undecidable manual S 346 9.4794 124 0.1 73
IV.CESI.HHZ. 2023-11-04T01:56:39.13 0.1 undecidable manual P 315 19.869 92 0.04 98
IV.CSP1.EHZ. 2023-11-04T01:56:39.99 0.1 undecidable manual P 23 25.6521 91 0 96
IV.FDMO.HHZ. 2023-11-04T01:56:38.86 0.6 negative manual P 2 17.4714 93 0.14 49
IV.NRCA.HHZ. 2023-11-04T01:56:38.72 0.6 undecidable manual S 150 5.8941 143 -0.29 48
7F.SIB3.EHE. 2023-11-04T01:56:38.33 0.1 undecidable manual P 92 15.5733 95 -0.1 96
7F.SIB2.EHE. 2023-11-04T01:56:38.78 0.1 undecidable manual P 86 18.3705 92 -0.08 95
7F.SIB1.EHE. 2023-11-04T01:56:38.39 0.1 undecidable manual P 84 15.6732 95 -0.06 97
IV.MC2.EHE. 2023-11-04T01:56:37.79 0.1 undecidable manual P 68 9.6792 123 0.21 96
IV.NRCA.HHZ. 2023-11-04T01:56:37.16 0.1 undecidable manual P 150 5.8941 143 0.01 100
IV.FEMA.HNE. 2023-11-04T01:56:37.83 0.1 undecidable manual P 346 9.4794 124 0.28 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.9 0.0010750000000000002 0.08 AML other m 2023-11-04T01:56:38.82
IV.NRCA.HHE. ML:1.4 0.00041049999999999995 1.54 AML other m 2023-11-04T01:56:38.18
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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