Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 29-09-2022 and time 21:38:06 (Italy) in region 4 km SW Folignano (AP)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Folignano (AP), on

  • 29-09-2022 19:38:06 (UTC)
  • 29-09-2022 21:38:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7890, 13.6140 at 20 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 5 5116 14357
Ascoli Piceno AP 8 49407 63764
Maltignano AP 8 2401 66165
Campli TE 9 7209 73374
Sant'Egidio alla Vibrata TE 10 9811 83185
Valle Castellana TE 11 977 84162
Ancarano TE 12 1857 86019
Castel di Lama AP 12 8634 94653
Appignano del Tronto AP 13 1785 96438
Rocca Santa Maria TE 13 537 96975
Roccafluvione AP 14 2010 98985
Torano Nuovo TE 14 1611 100596
Venarotta AP 14 2066 102662
Colli del Tronto AP 15 3668 106330
Torricella Sicura TE 15 2641 108971
Sant'Omero TE 16 5243 114214
Castorano AP 16 2380 116594
Teramo TE 16 54892 171486
Bellante TE 17 7152 178638
Castignano AP 17 2796 181434
Acquasanta Terme AP 17 2916 184350
Nereto TE 17 5242 189592
Spinetoli AP 17 7215 196807
Offida AP 18 5058 201865
Palmiano AP 18 196 202061
Controguerra TE 19 2436 204497
Corropoli TE 19 5045 209542
Rotella AP 19 906 210448
Monsampolo del Tronto AP 19 4611 215059

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)
53 Km NW of Montesilvano (53738 inhabitants)
61 Km NW of Pescara (121014 inhabitants)
67 Km NW of Chieti (51815 inhabitants)
76 Km E of Foligno (57155 inhabitants)
83 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 1.3 2022-09-29
19:38:06		 42.7887 13.6135 20 2024-03-01
15:28:22		 Bollettino Sismico Italiano INGV 116546171
Reviewed
Rev100 		ML 1.3 2022-09-29
19:38:05		 42.7802 13.6207 24 2022-09-29
19:49:03		 Sala Sismica INGV-Roma 110308231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-29 19:38:06 ± 0.26
Latitude 42.7887 ± 0.0090
Longitude 13.6135 ± 0.0123
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116546171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 576
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 110308231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-29 19:49:03

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116546171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 10:24:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2022-09-29T19:38:33.02 3.0 undecidable manual S -0.13 0
IV.SRES.HHZ. 2022-09-29T19:38:23.74 3.0 positive manual P 0.22 0
IV.ARVD.HHZ. 2022-09-29T19:38:22.65 3.0 undecidable manual P 1.38 0
IV.CSP1.EHZ. 2022-09-29T19:38:22.00 0.6 undecidable manual S 316 47.2194 104 0.47 43
IV.MC2.EHZ. 2022-09-29T19:38:19.53 0.6 undecidable manual S 292 37.1295 109 0.59 42
IV.SMA1.EHZ. 2022-09-29T19:38:17.27 0.3 undecidable manual S 232 28.6491 116 0.41 69
IV.MMO1.EHZ. 2022-09-29T19:38:16.29 0.3 undecidable manual S 298 26.3514 119 -0.03 74
IV.MF5.EHN. 2022-09-29T19:38:16.43 0.3 undecidable manual S 331 25.3524 120 0.34 69
7F.SIB2.EHE. 2022-09-29T19:38:16.51 0.6 undecidable manual S 294 27.6501 117 -0.11 48
IV.OFFI.HHZ. 2022-09-29T19:38:15.21 0.3 undecidable manual S 20 17.2716 133 0.88 57
IV.CSP1.EHZ. 2022-09-29T19:38:14.79 0.1 undecidable manual P 316 47.2194 104 -0.25 91
IV.MTRA.HNE. 2022-09-29T19:38:14.63 0.3 undecidable manual S 259 18.0708 131 0.14 74
IV.TERO.HHZ. 2022-09-29T19:38:14.72 0.3 undecidable manual S 182 18.4704 131 0.15 74
IV.MC2.EHZ. 2022-09-29T19:38:13.46 0.1 undecidable manual P 292 37.1295 109 -0.08 96
IV.SMA1.EHZ. 2022-09-29T19:38:12.40 0.3 undecidable manual P 232 28.6491 116 0.05 74
IV.ASCOL.EHN. 2022-09-29T19:38:11.75 0.3 undecidable manual S 344 7.1928 157 -1.02 56
IV.MF5.EHN. 2022-09-29T19:38:11.80 0.1 undecidable manual P 331 25.3524 120 -0.1 98
7F.SIB2.EHE. 2022-09-29T19:38:11.85 0.3 undecidable manual P 294 27.6501 117 -0.35 69
IV.MMO1.EHZ. 2022-09-29T19:38:11.82 0.1 undecidable manual P 298 26.3514 119 -0.2 95
IV.OFFI.HHZ. 2022-09-29T19:38:10.89 0.1 undecidable manual P 20 17.2716 133 0.01 100
IV.MTRA.HNE. 2022-09-29T19:38:10.94 0.3 undecidable manual P 259 18.0708 131 -0.03 75
IV.TERO.HHZ. 2022-09-29T19:38:10.98 0.1 undecidable manual P 182 18.4704 131 -0.04 99
IV.ASCOL.EHN. 2022-09-29T19:38:09.77 0.3 undecidable manual P 344 7.1928 157 -0.21 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.9 0.000037217614999999995 0.5024 AML other m 2022-09-29T19:38:12.67
IV.TERO.HHN. ML:0.9 0.000048574265000000004 0.0384 AML other m 2022-09-29T19:38:14.76
IV.TERO.HNN. ML:1.5 0.0001703238 0.6144 AML other m 2022-09-29T19:38:17.53
IV.MC2.EHN. ML:1.2 0.00005374691 0.1408 AML other m 2022-09-29T19:38:19.73
IV.MC2.EHE. ML:1.0 0.000029844099999999998 0.2048 AML other m 2022-09-29T19:38:20.24
IV.TERO.HHE. ML:1.9 0.00045105815000000005 1.424 AML other m 2022-09-29T19:38:23.90
IV.TERO.HNE. ML:1.4 0.00013113439 0.704 AML other m 2022-09-29T19:38:24.51
IV.CSP1.EHE. ML:1.6 0.00010955479 0.5024 AML other m 2022-09-29T19:38:24.54
IV.SMA1.EHE. ML:0.9 0.000035814605 1.408 AML other m 2022-09-29T19:38:29.13
IV.CSP1.EHN. ML:1.5 0.00008835983500000001 0.4768 AML other m 2022-09-29T19:38:32.64
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