Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 23-09-2022 and time 12:27:23 (Italy) in region 4 km NW Civitella del Tronto (TE)

A magnitude ML 1.6 earthquake occured in region: 4 km NW Civitella del Tronto (TE), on

  • 23-09-2022 10:27:23 (UTC)
  • 23-09-2022 12:27:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.6290 at 19 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
Folignano AP 4 9241 9241
Civitella del Tronto TE 4 5116 14357
Maltignano AP 7 2401 16758
Sant'Egidio alla Vibrata TE 8 9811 26569
Ascoli Piceno AP 8 49407 75976
Campli TE 8 7209 83185
Ancarano TE 11 1857 85042
Castel di Lama AP 11 8634 93676
Valle Castellana TE 12 977 94653
Appignano del Tronto AP 13 1785 96438
Torano Nuovo TE 13 1611 98049
Colli del Tronto AP 14 3668 101717
Rocca Santa Maria TE 14 537 102254
Sant'Omero TE 14 5243 107497
Castorano AP 15 2380 109877
Torricella Sicura TE 15 2641 112518
Roccafluvione AP 15 2010 114528
Venarotta AP 15 2066 116594
Bellante TE 15 7152 123746
Teramo TE 16 54892 178638
Nereto TE 16 5242 183880
Spinetoli AP 16 7215 191095
Castignano AP 17 2796 193891
Offida AP 17 5058 198949
Corropoli TE 17 5045 203994
Controguerra TE 17 2436 206430
Acquasanta Terme AP 18 2916 209346
Monsampolo del Tronto AP 18 4611 213957
Palmiano AP 19 196 214153
Rotella AP 19 906 215059
Castellalto TE 20 7513 222572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Teramo (54892 inhabitants)
52 Km NE of L'Aquila (69753 inhabitants)
52 Km NW of Montesilvano (53738 inhabitants)
60 Km NW of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
78 Km E of Foligno (57155 inhabitants)
84 Km E of Terni (111501 inhabitants)
93 Km S of Ancona (100861 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 2022-09-23
10:27:23		 42.7898 13.629 19 2024-03-01
15:28:14		 Bollettino Sismico Italiano INGV 113431691
Reviewed
Rev100 		ML 1.6 2022-09-23
10:27:22		 42.7878 13.626 23 2022-09-23
10:41:29		 Sala Sismica INGV-Roma 110049901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 10:27:23 ± 0.13
Latitude 42.7898 ± 0.0036
Longitude 13.6290 ± 0.0074
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113431691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113431691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-13 10:32:10

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 110049901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 10:41:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2022-09-23T10:29:31.81 3.0 undecidable manual Sg 26.6 0
IV.GRI.EHZ. 2022-09-23T10:29:28.56 3.0 undecidable manual Sg 18.92 0
GU.SATI.HHZ. 2022-09-23T10:29:27.61 3.0 undecidable manual Sn 3.82 0
CH.BERNI.HHZ. 2022-09-23T10:29:11.77 3.0 undecidable manual Sn 4.57 0
IV.BAG8.EHZ. 2022-09-23T10:29:10.94 3.0 undecidable manual Sg 19.27 0
SL.KOGS.BHZ. 2022-09-23T10:29:00.72 3.0 undecidable manual Sn -0.15 0
IV.SBPO.HNZ. 2022-09-23T10:28:51.68 3.0 undecidable manual Sg 18.6 0
IV.TDS.HHZ. 2022-09-23T10:28:51.08 3.0 undecidable manual Sn -0.76 0
ST.PANI.EHZ. 2022-09-23T10:28:44.19 3.0 undecidable manual Sn -4.52 0
IV.ISPIC.EHZ. 2022-09-23T10:28:42.72 3.0 undecidable manual Pn 4.73 0
IV.MILZ.HHZ. 2022-09-23T10:28:40.95 3.0 undecidable manual Pg 21.77 0
GU.GSCL.HHZ. 2022-09-23T10:28:39.41 3.0 undecidable manual Sg 13.07 0
GU.MGRO.HHZ. 2022-09-23T10:28:32.20 3.0 undecidable manual Pg 17.299999 0
IV.ACER.HHZ. 2022-09-23T10:28:29.14 3.0 undecidable manual Sn 2.22 0
GU.ROTM.HHZ. 2022-09-23T10:28:20.22 3.0 negative manual Pn 6.34 0
IV.CRMI.HHZ. 2022-09-23T10:28:19.81 3.0 undecidable manual Sn 5.19 0
IV.SGG.HHZ. 2022-09-23T10:28:09.37 3.0 undecidable manual Sg 7.06 0
IV.GATE.HHZ. 2022-09-23T10:28:09.37 3.0 undecidable manual Sg 5.11 0
IV.ORI.HHZ. 2022-09-23T10:28:00.69 3.0 positive manual Pn -2.77 0
GU.GSCL.HHZ. 2022-09-23T10:27:59.69 3.0 negative manual Pg 7.05 0
IV.CDRU.HHZ. 2022-09-23T10:27:57.03 3.0 undecidable manual Pn 4.56 0
IX.COL3.HHZ.02 2022-09-23T10:27:48.23 3.0 undecidable manual Pn -2.24 0
IV.MOCL.EHZ. 2022-09-23T10:27:48.85 3.0 undecidable manual Pn 2.98 0
IV.RIBO.EHZ.01 2022-09-23T10:27:43.71 3.0 positive manual Pn 1.05 0
IV.PTRJ.HHZ. 2022-09-23T10:27:38.69 3.0 undecidable manual Pn -1.2 0
IV.RM33.EHZ. 2022-09-23T10:27:38.61 0.3 undecidable manual S 227 46.0206 104 0.42 66
IV.NRCA.HHZ. 2022-09-23T10:27:37.28 0.3 undecidable manual S 277 42.1245 105 0.08 71
IV.GIGS.HHZ. 2022-09-23T10:27:36.06 0.3 undecidable manual S 187 37.629 107 0.02 73
IV.MC2.EHZ. 2022-09-23T10:27:36.50 0.3 undecidable manual S 291 38.2284 107 0.3 69
IV.GUMA.HHZ. 2022-09-23T10:27:36.66 0.3 undecidable manual S 322 38.5281 107 0.39 68
IV.PESA.HHZ. 2022-09-23T10:27:35.46 3.0 undecidable manual Pn -0.97 0
IV.CAMP.HHZ. 2022-09-23T10:27:35.30 0.6 undecidable manual S 213 33.4443 110 0.33 46
7F.SIB3.EHN. 2022-09-23T10:27:34.09 0.6 undecidable manual S 288 30.747 112 -0.21 48
7F.SIB1.EHE. 2022-09-23T10:27:34.65 0.6 undecidable manual S 292 31.4463 112 0.17 48
IV.SMA1.EHZ. 2022-09-23T10:27:34.19 0.3 undecidable manual S 234 29.748 113 0.12 72
IV.MF5.EHZ. 2022-09-23T10:27:33.31 0.3 undecidable manual S 328 25.9518 117 0.17 73
IV.RM33.EHZ. 2022-09-23T10:27:31.92 0.1 undecidable manual P 227 46.0206 104 0.07 95
IV.MTRA.EHZ. 2022-09-23T10:27:31.52 0.3 undecidable manual S 259 19.2696 127 -0.12 74
IV.NRCA.HHZ. 2022-09-23T10:27:31.04 0.1 undecidable manual P 277 42.1245 105 -0.25 93
IV.CSP1.EHZ. 2022-09-23T10:27:31.87 0.1 undecidable manual P 314 48.0186 103 -0.29 90
IV.TERO.HHZ. 2022-09-23T10:27:31.85 0.6 undecidable manual S 186 18.6702 128 0.35 47
IV.OFFI.HHE. 2022-09-23T10:27:31.89 0.3 undecidable manual S 16 16.7721 132 0.77 64
IV.GUMA.HHZ. 2022-09-23T10:27:30.82 0.1 undecidable manual P 322 38.5281 107 0.07 97
IV.GIGS.HHZ. 2022-09-23T10:27:30.36 0.1 positive manual P 187 37.629 107 -0.25 93
IV.MC2.EHZ. 2022-09-23T10:27:30.56 0.1 negative manual P 291 38.2284 107 -0.14 95
IV.TRTR.HHE. 2022-09-23T10:27:29.03 0.3 undecidable manual P 85 23.2545 121 0.45 69
IV.CAMP.HHZ. 2022-09-23T10:27:29.94 0.1 positive manual P 213 33.4443 110 -0.05 98
IV.MF5.EHZ. 2022-09-23T10:27:29.02 0.1 undecidable manual P 328 25.9518 117 0.08 99
IV.SMA1.EHZ. 2022-09-23T10:27:29.42 0.1 positive manual P 234 29.748 113 -0.05 98
7F.SIB3.EHN. 2022-09-23T10:27:29.29 0.1 undecidable manual P 288 30.747 112 -0.32 93
7F.SIB1.EHE. 2022-09-23T10:27:29.51 0.1 negative manual P 292 31.4463 112 -0.2 95
IV.ASCOL.EHE. 2022-09-23T10:27:28.71 0.3 undecidable manual S 335 7.4814 155 -0.93 57
IV.TERO.HHZ. 2022-09-23T10:27:27.95 0.1 undecidable manual P 186 18.6702 128 -0.04 100
IV.OFFI.HHE. 2022-09-23T10:27:27.91 0.1 undecidable manual P 16 16.7721 132 0.14 100
IV.MTRA.EHZ. 2022-09-23T10:27:27.93 0.1 undecidable manual P 259 19.2696 127 -0.14 98
IV.ASCOL.EHE. 2022-09-23T10:27:26.67 0.3 undecidable manual P 335 7.4814 155 -0.24 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.5 0.000059550000000000004 0.16 AML other m 2022-09-23T10:27:31.82
IV.MTRA.EHE. ML:2.0 0.0005765 1.64 AML other m 2022-09-23T10:27:31.93
IV.MTRA.EHN. ML:1.8 0.0003325 0.3 AML other m 2022-09-23T10:27:31.84
IV.MML1.EHN. ML:1.4 0.00004795 0.96 AML other m 2022-09-23T10:27:32.70
IV.SMA1.EHE. ML:1.6 0.00017449999999999999 0.86 AML other m 2022-09-23T10:27:34.22
IV.SMA1.EHN. ML:1.7 0.00020500000000000002 0.5 AML other m 2022-09-23T10:27:34.45
IV.ASSB.HHN. ML:1.6 0.00005695 0.16 AML other m 2022-09-23T10:27:36.13
IV.NRCA.HHN. ML:1.8 0.0001805 0.6 AML other m 2022-09-23T10:27:38.02
IV.NRCA.HHE. ML:1.8 0.00017199999999999998 0.1 AML other m 2022-09-23T10:27:38.33
IV.RM33.EHN. ML:1.2 0.000046 0.54 AML other m 2022-09-23T10:27:39.55
IV.RM33.EHE. ML:1.2 0.0000455 0.52 AML other m 2022-09-23T10:27:39.58
IV.ASSB.HHE. ML:1.6 0.00005434999999999999 0.56 AML other m 2022-09-23T10:27:52.57
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