Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 14-09-2022 and time 10:23:11 (UTC) in region 1 km NW Massa Martana (PG)

A magnitude ML 1.6 earthquake occured in region: 1 km NW Massa Martana (PG), on

  • 14-09-2022 10:23:11 (UTC)
  • 14-09-2022 12:23:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 12.5180 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Massa Martana PG 1 3770 3770
Giano dell'Umbria PG 7 3846 7616
Todi PG 9 16851 24467
Acquasparta TR 11 4778 29245
Castel Ritaldi PG 13 3278 32523
Collazzone PG 14 3473 35996
Gualdo Cattaneo PG 14 6155 42151
Fratta Todina PG 15 1839 43990
Monte Castello di Vibio PG 15 1567 45557
Montecastrilli TR 15 5022 50579
Montefalco PG 16 5679 56258
Avigliano Umbro TR 16 2558 58816
Bevagna PG 18 5081 63897
Spoleto PG 19 38218 102115
San Gemini TR 19 5018 107133
Marsciano PG 20 18902 126035

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Foligno (57155 inhabitants)
27 Km NW of Terni (111501 inhabitants)
37 Km S of Perugia (166134 inhabitants)
53 Km NE of Viterbo (67173 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
97 Km NE of Civitavecchia (52991 inhabitants)
98 Km W of Teramo (54892 inhabitants)
99 Km N of Roma (2864731 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 1.6 2022-09-14
10:23:11		 42.7877 12.5185 7 2024-03-01
15:27:54		 Bollettino Sismico Italiano INGV 109766481
Reviewed
Rev100 		ML 1.6 2022-09-14
10:23:11		 42.7837 12.5172 7 2022-09-14
10:33:27		 Sala Sismica INGV-Roma 109697671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-14 10:23:11 ± 0.06
Latitude 42.7877 ± 0.0036
Longitude 12.5185 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109766481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74734
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 109766481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-16 06:25:32

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 109697671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-14 10:33:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.ZIAN.EHZ. 2022-09-14T10:24:50.24 3.0 undecidable manual Sn -2.4 0
ST.PANI.EHZ. 2022-09-14T10:24:48.43 3.0 undecidable manual Sn -0.26 0
IV.SPS2.HHZ. 2022-09-14T10:24:46.57 3.0 undecidable manual Sg 5.84 0
IV.IFIL.HHZ. 2022-09-14T10:24:43.14 3.0 undecidable manual Sn 1.37 0
IV.SBPO.HNZ. 2022-09-14T10:24:28.40 3.0 undecidable manual Sn -1.46 0
GE.MATE.HHZ. 2022-09-14T10:24:20.21 3.0 undecidable manual Sn -2.97 0
MN.DIVS.HHZ. 2022-09-14T10:24:18.81 3.0 negative manual Pn 3.17 0
GU.MGRO.HHZ. 2022-09-14T10:24:13.67 3.0 negative manual Pg 10.13 0
IX.COL3.HHZ.02 2022-09-14T10:24:02.39 3.0 undecidable manual Sg -0.16 0
IV.CRAC.EHZ. 2022-09-14T10:23:44.47 3.0 positive manual Pn -0.19 0
IV.PTRJ.HHZ. 2022-09-14T10:23:40.89 3.0 undecidable manual S 0.48 0
IV.EL6.EHZ. 2022-09-14T10:23:35.47 0.3 undecidable manual S 38 76.4679 50 0.46 64
IV.CAFI.HHZ. 2022-09-14T10:23:34.57 0.6 undecidable manual S 324 74.8695 50 -0.03 47
IV.MCRV.HHZ. 2022-09-14T10:23:34.96 3.0 undecidable manual Pg 3.84 0
IV.MMO1.EHZ. 2022-09-14T10:23:32.62 0.6 undecidable manual S 79 66.8775 50 0.16 46
IV.CSP1.EHZ. 2022-09-14T10:23:32.32 0.3 undecidable manual S 59 65.1903 50 0.32 67
IV.SACS.HHZ. 2022-09-14T10:23:28.66 0.3 undecidable manual S 278 50.0166 50 0.71 61
IV.MURB.HHE. 2022-09-14T10:23:28.85 0.3 undecidable manual S 1 52.7028 50 0.17 71
IV.NRCA.HHZ. 2022-09-14T10:23:27.46 0.6 undecidable manual S 84 48.7179 50 -0.16 48
IV.PIEI.HHZ. 2022-09-14T10:23:26.21 0.3 undecidable manual P 1 82.9503 50 0.22 66
IV.ARVD.HHZ. 2022-09-14T10:23:26.91 3.0 undecidable manual P 0
IV.ATCC.EHZ. 2022-09-14T10:23:26.41 0.6 undecidable manual S 13 45.2214 50 -0.26 47
IV.FRON.EHZ. 2022-09-14T10:23:25.81 0.3 undecidable manual P 12 82.7505 50 -0.14 67
IV.MGAB.HHZ. 2022-09-14T10:23:24.09 0.6 undecidable manual S 293 35.8419 101 0.12 49
IV.EL6.EHZ. 2022-09-14T10:23:24.98 0.3 undecidable manual P 38 76.4679 50 0 70
IV.CAFI.HHZ. 2022-09-14T10:23:24.48 0.3 undecidable manual P 324 74.8695 50 -0.27 67
IV.ATMI.HHZ. 2022-09-14T10:23:23.06 0.3 undecidable manual P 342 63.9915 50 0 72
IV.MMO1.EHZ. 2022-09-14T10:23:23.34 0.3 undecidable manual P 79 66.8775 50 -0.17 69
IV.CSP1.EHZ. 2022-09-14T10:23:23.48 0.3 undecidable manual P 59 65.1903 50 0.24 68
IV.ASSB.HHZ. 2022-09-14T10:23:22.07 0.3 undecidable manual S 22 30.4473 103 -0.08 75
IV.GAVE.EHZ. 2022-09-14T10:23:22.81 0.3 undecidable manual S 109 32.3454 102 0.02 76
IV.MURB.HHE. 2022-09-14T10:23:21.22 0.1 undecidable manual P 1 52.7028 50 -0.11 96
IV.NRCA.HHZ. 2022-09-14T10:23:20.34 0.1 undecidable manual P 84 48.7179 50 -0.37 91
IV.SACS.HHZ. 2022-09-14T10:23:20.69 0.1 undecidable manual P 278 50.0166 50 -0.22 94
IV.ATCC.EHZ. 2022-09-14T10:23:19.92 0.1 undecidable manual P 13 45.2214 50 -0.24 94
IV.MGAB.HHZ. 2022-09-14T10:23:18.30 0.1 positive manual P 293 35.8419 101 -0.3 95
IV.CESX.HHE. 2022-09-14T10:23:18.76 0.3 undecidable manual S 164 20.6682 109 -0.1 76
IV.GAVE.EHZ. 2022-09-14T10:23:17.64 0.1 undecidable manual P 109 32.3454 102 -0.29 96
IV.ARRO.EHZ. 2022-09-14T10:23:17.63 0.3 undecidable manual P 139 30.6471 103 0.04 76
IV.ASSB.HHZ. 2022-09-14T10:23:17.37 0.1 undecidable manual P 22 30.4473 103 -0.19 98
IV.CESX.HHE. 2022-09-14T10:23:15.87 0.1 undecidable manual P 164 20.6682 109 0.21 99
IT.GNU.HGZ. 2022-09-14T10:23:14.25 0.3 undecidable manual S 67 4.5954 147 0.02 79
IV.MOMA.HHZ. 2022-09-14T10:23:14.24 0.3 undecidable manual S 67 4.5954 148 0.01 80
IV.MCI.EHZ. 2022-09-14T10:23:13.30 3.0 undecidable manual P -0.08 0
IT.GNU.HGZ. 2022-09-14T10:23:13.28 0.1 positive manual P 67 4.5954 147 0.3 100
IV.MOMA.HHZ. 2022-09-14T10:23:13.28 0.1 positive manual P 67 4.5954 148 0.3 100
IV.RNI2.HHZ. 2022-09-14T10:23:12.35 3.0 undecidable manual P -1.1 0
IV.VVLD.HHZ. 2022-09-14T10:23:03.92 3.0 undecidable manual P -1.56 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.5 0.00014350000000000002 0.42 AML other m 2022-09-14T10:23:22.76
IV.GAVE.EHE. ML:1.7 0.0002405 0.86 AML other m 2022-09-14T10:23:23.54
IV.ASSB.HHN. ML:1.4 0.0001075 0.84 AML other m 2022-09-14T10:23:23.42
IV.ARRO.EHE. ML:1.4 0.0001085 1.58 AML other m 2022-09-14T10:23:24.12
IV.GAVE.EHN. ML:1.7 0.00020800000000000001 0.16 AML other m 2022-09-14T10:23:24.91
IV.MGAB.HNN. ML:1.8 0.000266 1.04 AML other m 2022-09-14T10:23:25.00
IV.ARRO.EHN. ML:1.5 0.00014450000000000002 0.84 AML other m 2022-09-14T10:23:25.48
IV.MGAB.HHE. ML:1.6 0.000149 1.36 AML other m 2022-09-14T10:23:25.89
IV.MGAB.HNE. ML:1.7 0.00020299999999999997 1.26 AML other m 2022-09-14T10:23:25.97
IV.MGAB.HHN. ML:1.7 0.00020050000000000002 0.2 AML other m 2022-09-14T10:23:26.19
IV.ATCC.EHN. ML:1.4 0.00008595 0.48 AML other m 2022-09-14T10:23:28.74
IV.ATCC.EHE. ML:1.4 0.00008424999999999999 0.26 AML other m 2022-09-14T10:23:28.58
IV.NRCA.HHN. ML:1.9 0.000202 0.1 AML other m 2022-09-14T10:23:28.83
IV.NRCA.HHE. ML:1.8 0.00017299999999999998 0.14 AML other m 2022-09-14T10:23:29.28
IV.SACS.HHN. ML:1.2 0.0000378 0.74 AML other m 2022-09-14T10:23:30.82
IV.CSP1.EHN. ML:2.1 0.00021300000000000003 0.22 AML other m 2022-09-14T10:23:32.47
IV.SACS.HHE. ML:1.2 0.00004295 1.56 AML other m 2022-09-14T10:23:32.01
IV.CSP1.EHE. ML:2.0 0.0001985 0.22 AML other m 2022-09-14T10:23:32.72
IV.MMO1.EHN. ML:1.8 0.0001154 0.88 AML other m 2022-09-14T10:23:33.47
IV.MMO1.EHE. ML:1.7 0.00008595 0.7 AML other m 2022-09-14T10:23:34.22
IV.CAFI.HHE. ML:1.3 0.000031100000000000004 1.4 AML other m 2022-09-14T10:23:36.07
IV.CAFI.HHN. ML:1.3 0.0000304 0.72 AML other m 2022-09-14T10:23:37.24
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