Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 02-10-2022 and time 02:23:16 (Italy) in region 4 km SW Appignano del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Appignano del Tronto (AP), on

  • 02-10-2022 00:23:16 (UTC)
  • 02-10-2022 02:23:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8640, 13.6420 at 21 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
Appignano del Tronto AP 5 1785 1785
Folignano AP 5 9241 11026
Maltignano AP 5 2401 13427
Ascoli Piceno AP 5 49407 62834
Castel di Lama AP 6 8634 71468
Sant'Egidio alla Vibrata TE 7 9811 81279
Castorano AP 8 2380 83659
Castignano AP 9 2796 86455
Ancarano TE 9 1857 88312
Colli del Tronto AP 9 3668 91980
Offida AP 9 5058 97038
Civitella del Tronto TE 10 5116 102154
Spinetoli AP 11 7215 109369
Torano Nuovo TE 12 1611 110980
Rotella AP 12 906 111886
Venarotta AP 12 2066 113952
Montedinove AP 13 488 114440
Monsampolo del Tronto AP 13 4611 119051
Roccafluvione AP 14 2010 121061
Cossignano AP 14 978 122039
Montalto delle Marche AP 14 2122 124161
Controguerra TE 15 2436 126597
Nereto TE 15 5242 131839
Palmiano AP 15 196 132035
Campli TE 16 7209 139244
Sant'Omero TE 16 5243 144487
Corropoli TE 16 5045 149532
Force AP 17 1354 150886
Acquaviva Picena AP 17 3831 154717
Monteprandone AP 17 12655 167372
Ripatransone AP 18 4309 171681
Valle Castellana TE 18 977 172658
Colonnella TE 19 3734 176392
Bellante TE 19 7152 183544
Ortezzano FM 19 774 184318
Monte Rinaldo FM 19 379 184697
Carassai AP 19 1100 185797
Montelparo FM 19 778 186575

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Teramo (54892 inhabitants)
57 Km NW of Montesilvano (53738 inhabitants)
60 Km NE of L'Aquila (69753 inhabitants)
64 Km NW of Pescara (121014 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
77 Km E of Foligno (57155 inhabitants)
84 Km S of Ancona (100861 inhabitants)
88 Km E of Terni (111501 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 0.9 2022-10-02
00:23:16		 42.864 13.6422 21 2024-03-01
15:28:22		 Bollettino Sismico Italiano INGV 116694711
Reviewed
Rev100 		ML 0.9 2022-10-02
00:23:16		 42.8723 13.665 20 2022-10-02
00:34:00		 Sala Sismica INGV-Roma 110394371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-02 00:23:16 ± 0.26
Latitude 42.8640 ± 0.0081
Longitude 13.6422 ± 0.0110
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116694711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 999
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 110394371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-02 00:34:00

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 116694711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-24 10:03:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2022-10-02T00:23:36.99 3.0 undecidable manual P 0.02 0
IV.PP3.EHZ. 2022-10-02T00:23:34.36 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2022-10-02T00:23:31.19 0.6 undecidable manual S 266 43.0236 108 0.42 43
IV.SMA1.EHZ. 2022-10-02T00:23:29.39 0.6 undecidable manual S 224 36.0417 112 0.39 44
IV.TERO.HHZ. 2022-10-02T00:23:27.19 0.3 undecidable manual S 187 26.9508 121 0.35 68
7F.SIB3.EHZ. 2022-10-02T00:23:27.69 0.6 undecidable manual S 272 30.2475 117 0.07 47
7F.SIB1.EHZ. 2022-10-02T00:23:27.93 0.3 undecidable manual S 277 30.4473 117 0.28 68
7F.SIB2.EHZ. 2022-10-02T00:23:26.88 0.6 undecidable manual S 276 27.6501 120 -0.12 48
IV.MMO1.EHZ. 2022-10-02T00:23:26.58 0.3 undecidable manual S 279 25.9518 122 -0.02 73
IV.MF5.EHZ. 2022-10-02T00:23:25.67 0.3 undecidable manual S 313 20.1687 130 0.31 69
IV.OFFI.HHZ. 2022-10-02T00:23:24.62 0.6 undecidable manual S 24 8.5803 155 1.17 35
IV.NRCA.HHZ. 2022-10-02T00:23:24.56 0.3 undecidable manual P 266 43.0236 108 -0.13 69
IV.SMA1.EHZ. 2022-10-02T00:23:23.63 0.3 undecidable manual P 224 36.0417 112 -0.04 71
7F.SIB3.EHZ. 2022-10-02T00:23:22.66 0.3 undecidable manual P 272 30.2475 117 -0.21 70
IV.MMO1.EHZ. 2022-10-02T00:23:22.09 0.3 undecidable manual P 279 25.9518 122 -0.19 70
7F.SIB1.EHZ. 2022-10-02T00:23:22.84 0.3 undecidable manual P 277 30.4473 117 -0.05 72
IV.ASCOL.EHZ. 2022-10-02T00:23:22.29 0.3 undecidable manual S 252 4.4955 166 -0.8 60
7F.SIB2.EHZ. 2022-10-02T00:23:22.26 0.3 undecidable manual P 276 27.6501 120 -0.25 69
IV.TERO.HHZ. 2022-10-02T00:23:22.40 0.3 undecidable manual P 187 26.9508 121 -0.02 72
IV.MF5.EHZ. 2022-10-02T00:23:21.59 0.3 undecidable manual P 313 20.1687 130 0.02 74
IV.OFFI.HHZ. 2022-10-02T00:23:20.53 0.1 undecidable manual P 24 8.5803 155 0.06 100
IV.ASCOL.EHZ. 2022-10-02T00:23:19.89 0.3 undecidable manual P 252 4.4955 166 -0.36 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:1.1 0.00007002248 0.2 AML other m 2022-10-02T00:23:25.91
IV.MF5.EHE. ML:1.0 0.00005256118499999999 0.2 AML other m 2022-10-02T00:23:26.10
IV.MMO1.EHN. ML:0.6 0.000022243446 0.04 AML other m 2022-10-02T00:23:26.75
IV.MMO1.EHE. ML:0.5 0.0000138020795 0.04 AML other m 2022-10-02T00:23:27.02
IV.TERO.HHN. ML:0.9 0.00003495413 0.08 AML other m 2022-10-02T00:23:27.42
IV.NRCA.HHN. ML:1.0 0.000029723955000000002 0.06 AML other m 2022-10-02T00:23:31.72
IV.NRCA.HHE. ML:1.1 0.0000334301585 0.08 AML other m 2022-10-02T00:23:31.89
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