Earthquake with magnitude of ML 1.1 on date 22-04-2023 and time 19:28:00 (Italy) in region 6 km NW Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km NW Preci (PG), on

  • 22-04-2023 17:28:00 (UTC)
  • 22-04-2023 19:28:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9330, 13.0110 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 6 724 724
Visso MC 6 1107 1831
Monte Cavallo MC 7 145 1976
Sellano PG 8 1079 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 13 1458 5238
Fiordimonte MC 13 202 5440
Cerreto di Spoleto PG 15 1075 6515
Pievebovigliana MC 16 866 7381
Serravalle di Chienti MC 16 1070 8451
Fiastra MC 17 559 9010
Muccia MC 17 915 9925
Norcia PG 17 4957 14882
Acquacanina MC 17 121 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 Km NE 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
Bulletin
Rev1000
ML 1.1 2023-04-22
17:28:00
42.9327 13.0112 12 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117408141
Reviewed
Rev100
ML 1.1 2023-04-22
17:28:00
42.9293 13.0103 11 2023-04-22
17:37:33
Sala Sismica INGV-Roma 116617871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-22 17:28:00 ± 0.05
Latitude 42.9327 ± 0.0027
Longitude 13.0112 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117408141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
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) 54
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 36
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) 0.40200
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 116617871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-22 17:37:33

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 117408141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-16 14:19:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2023-04-22T17:29:53.00 3.0 undecidable manual Sg 13.75 0
IV.CET2.HHZ. 2023-04-22T17:29:49.17 3.0 undecidable manual Sg 11.84 0
MN.TRI.HHZ. 2023-04-22T17:29:12.77 3.0 undecidable manual Sn -5.56 0
GU.GSCL.HHZ. 2023-04-22T17:29:00.48 3.0 undecidable manual Sn 0.23 0
GU.CANO.HHZ. 2023-04-22T17:28:53.65 3.0 negative manual Pn 3.34 0
CR.STON.BHZ. 2023-04-22T17:28:48.64 3.0 undecidable manual Pn 0.69 0
IV.FNVD.HHZ. 2023-04-22T17:28:48.53 3.0 undecidable manual Sn -2.02 0
IV.RNI2.HHZ. 2023-04-22T17:28:33.30 3.0 undecidable manual Sn -1.51 0
IV.ARCI.HHZ. 2023-04-22T17:28:32.63 3.0 undecidable manual Sg 4.72 0
IV.IMOL.HNZ. 2023-04-22T17:28:23.57 3.0 negative manual Pn -1.55 0
IV.EL6.EHZ. 2023-04-22T17:28:14.76 1.0 undecidable manual S 9 44.622 91 0.36 22
IV.SMA1.EHZ. 2023-04-22T17:28:13.31 0.6 undecidable manual S 142 42.624 92 -0.57 41
IV.MOMA.HHZ. 2023-04-22T17:28:12.85 0.3 undecidable manual S 248 38.628 92 0.06 71
IV.LNSS.HHZ. 2023-04-22T17:28:12.64 0.6 undecidable manual S 176 36.6411 92 0.37 45
IV.SNTG.HHZ. 2023-04-22T17:28:12.26 0.3 undecidable manual S 351 36.2415 92 0.1 70
IV.RCAV.EHZ. 2023-04-22T17:28:11.73 3.0 undecidable manual P 1.51 0
IV.GAVE.EHZ. 2023-04-22T17:28:10.09 0.3 undecidable manual S 200 28.3494 93 0.04 73
IV.ASSB.HHZ. 2023-04-22T17:28:10.57 0.1 undecidable manual S 293 31.0467 93 -0.22 92
IV.MMO1.EHZ. 2023-04-22T17:28:09.53 0.3 undecidable manual S 98 25.9518 94 0.12 71
IV.PF6.EHN. 2023-04-22T17:28:09.68 0.1 undecidable manual S 33 27.1506 93 -0.07 96
7F.SIB2.EHE. 2023-04-22T17:28:08.96 0.3 undecidable manual S 101 24.2535 94 0 73
7F.SIB1.EHE. 2023-04-22T17:28:08.54 0.3 undecidable manual S 101 21.4674 96 0.31 69
IV.CSP1.EHZ. 2023-04-22T17:28:08.87 0.3 undecidable manual S 42 23.6541 94 0.06 72
IV.EL6.EHZ. 2023-04-22T17:28:08.31 0.1 undecidable manual P 9 44.622 91 -0.02 94
IV.MOMA.HHZ. 2023-04-22T17:28:08.06 0.3 undecidable manual P 248 38.628 92 0.66 61
IV.SMA1.EHZ. 2023-04-22T17:28:07.27 0.3 undecidable manual P 142 42.624 92 -0.76 57
IV.MML1.HNE. 2023-04-22T17:28:07.75 0.3 undecidable manual S 351 20.3685 96 -0.17 72
IV.ASSB.HHZ. 2023-04-22T17:28:06.45 0.3 negative manual P 293 31.0467 93 0.2 69
IV.SNTG.HHZ. 2023-04-22T17:28:06.90 0.6 negative manual P 351 36.2415 92 -0.14 47
IV.NRCA.HHZ. 2023-04-22T17:28:06.12 0.1 undecidable manual S 143 13.7751 110 -0.11 97
IV.LNSS.HHZ. 2023-04-22T17:28:06.91 0.3 undecidable manual P 176 36.6411 92 -0.19 69
IV.MMO1.EHZ. 2023-04-22T17:28:05.45 0.3 undecidable manual P 98 25.9518 94 0 73
IV.CESI.HHZ. 2023-04-22T17:28:05.67 0.3 undecidable manual S 313 11.7771 118 -0.06 74
IV.PF6.EHN. 2023-04-22T17:28:05.56 0.3 undecidable manual P 33 27.1506 93 -0.09 72
IV.FDMO.HHN. 2023-04-22T17:28:05.89 0.6 undecidable manual S 28 13.0758 113 -0.16 48
7F.SIB2.EHE. 2023-04-22T17:28:05.15 0.3 undecidable manual P 101 24.2535 94 -0.04 73
IV.CSP1.EHZ. 2023-04-22T17:28:05.17 0.3 undecidable manual P 42 23.6541 94 0.07 72
IV.GAVE.EHZ. 2023-04-22T17:28:05.70 0.3 undecidable manual P 200 28.3494 93 -0.12 71
IV.FEMA.HNE. 2023-04-22T17:28:04.65 0.3 undecidable manual S 44 4.4955 153 0.27 72
7F.SIB1.EHE. 2023-04-22T17:28:04.83 0.3 undecidable manual P 101 21.4674 96 0.07 73
IT.MTCL.HGZ. 2023-04-22T17:28:04.49 0.1 undecidable manual S 352 6.8931 141 -0.23 96
IV.MML1.HNE. 2023-04-22T17:28:04.49 0.3 undecidable manual P 351 20.3685 96 -0.1 73
IV.CESI.HHZ. 2023-04-22T17:28:03.40 0.6 undecidable manual P 313 11.7771 118 0.08 49
IV.FDMO.HHN. 2023-04-22T17:28:03.56 0.1 undecidable manual P 28 13.0758 113 0.05 98
IV.NRCA.HHZ. 2023-04-22T17:28:03.65 0.1 positive manual P 143 13.7751 110 0.04 99
IT.MTCL.HGZ. 2023-04-22T17:28:02.77 0.1 undecidable manual P 352 6.8931 141 0.03 100
IV.FEMA.HNE. 2023-04-22T17:28:02.77 0.1 undecidable manual P 44 4.4955 153 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.00010035 1.28 AML other m 2023-04-22T17:28:05.69
IV.CESI.HHN. ML:1.1 0.000135 1.5 AML other m 2023-04-22T17:28:05.10
IV.NRCA.HHN. ML:1.4 0.00021500000000000002 0.66 AML other m 2023-04-22T17:28:06.25
IV.NRCA.HHE. ML:1.4 0.0002285 0.8 AML other m 2023-04-22T17:28:06.71
IV.CSP1.EHN. ML:1.5 0.000188 0.3 AML other m 2023-04-22T17:28:09.66
IV.CSP1.EHE. ML:1.6 0.00024349999999999998 0.38 AML other m 2023-04-22T17:28:09.78
IV.MMO1.EHE. ML:0.7 0.000027185 0.26 AML other m 2023-04-22T17:28:10.08
IV.MMO1.EHN. ML:1.0 0.0000538 1.06 AML other m 2023-04-22T17:28:10.27
IV.GAVE.EHE. ML:1.2 0.00007250000000000001 0.24 AML other m 2023-04-22T17:28:10.41
IV.GAVE.EHN. ML:1.2 0.0000783 1.36 AML other m 2023-04-22T17:28:10.93
IV.ASSB.HHE. ML:0.9 0.0000345 0.8 AML other m 2023-04-22T17:28:10.98
IV.ASSB.HHN. ML:0.7 0.0000256 0.14 AML other m 2023-04-22T17:28:11.17
IV.GUMA.HHE. ML:1.4 0.0001065 0.14 AML other m 2023-04-22T17:28:11.45
IV.SNTG.HHE. ML:0.6 0.0000173 0.78 AML other m 2023-04-22T17:28:14.03
IV.SNTG.HHN. ML:0.7 0.000018799999999999996 1.42 AML other m 2023-04-22T17:28:14.08
IV.GUMA.HHN. ML:1.3 0.00009389999999999999 0.88 AML other m 2023-04-22T17:28:27.12
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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