Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-09-2022 and time 19:51:24 (Italy) in region 4 km SW Folignano (AP)

A magnitude ML 1.8 earthquake occured in region: 4 km SW Folignano (AP), on

  • 22-09-2022 17:51:24 (UTC)
  • 22-09-2022 19:51:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.6190 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 4 5116 14357
Maltignano AP 7 2401 16758
Ascoli Piceno AP 8 49407 66165
Campli TE 9 7209 73374
Sant'Egidio alla Vibrata TE 9 9811 83185
Ancarano TE 11 1857 85042
Valle Castellana TE 12 977 86019
Castel di Lama AP 12 8634 94653
Appignano del Tronto AP 13 1785 96438
Torano Nuovo TE 14 1611 98049
Rocca Santa Maria TE 14 537 98586
Roccafluvione AP 14 2010 100596
Colli del Tronto AP 15 3668 104264
Venarotta AP 15 2066 106330
Torricella Sicura TE 15 2641 108971
Castorano AP 15 2380 111351
Sant'Omero TE 15 5243 116594
Bellante TE 16 7152 123746
Teramo TE 16 54892 178638
Castignano AP 17 2796 181434
Nereto TE 17 5242 186676
Spinetoli AP 17 7215 193891
Acquasanta Terme AP 17 2916 196807
Offida AP 17 5058 201865
Palmiano AP 18 196 202061
Controguerra TE 18 2436 204497
Corropoli TE 18 5045 209542
Monsampolo del Tronto AP 19 4611 214153
Rotella AP 19 906 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)
66 Km NW of Chieti (51815 inhabitants)
77 Km E of Foligno (57155 inhabitants)
83 Km E of Terni (111501 inhabitants)
92 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 1.8 2022-09-22
17:51:24		 42.7903 13.6192 20 2024-03-01
15:28:02		 Bollettino Sismico Italiano INGV 111925511
Reviewed
Rev100 		ML 1.8 2022-09-22
17:51:24		 42.7945 13.6373 15 2022-09-22
18:03:04		 Sala Sismica INGV-Roma 110020361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-22 17:51:24 ± 0.1
Latitude 42.7903 ± 0.0036
Longitude 13.6192 ± 0.0061
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111925511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80669
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 110020361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-22 18:03:04

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 42
Type of magnitude ML
Reference to an origin 111925511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-18 09:56:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.COL3.HHZ.02 2022-09-22T17:52:39.56 3.0 undecidable manual Sg 6.95 0
IV.SFI.EHZ. 2022-09-22T17:52:19.85 3.0 undecidable manual Sg 6.28 0
GU.POPM.HHZ. 2022-09-22T17:52:11.32 3.0 undecidable manual P 7.21 0
GU.CARD.HHZ. 2022-09-22T17:52:10.41 3.0 negative manual P 4.03 0
IV.SGTA.HHZ. 2022-09-22T17:51:57.76 3.0 negative manual P -1.88 0
IV.EL6.EHZ. 2022-09-22T17:51:47.30 0.6 undecidable manual S 325 73.0713 98 0.49 41
IV.LNSS.HHZ. 2022-09-22T17:51:42.01 0.6 undecidable manual S 246 51.6039 103 0.84 37
IV.FDMO.HHZ. 2022-09-22T17:51:41.50 0.6 undecidable manual S 302 51.1155 103 0.44 43
IV.INTR.HHZ. 2022-09-22T17:51:40.08 1.0 undecidable manual P 165 89.5437 97 0.1 22
IV.CSP1.EHZ. 2022-09-22T17:51:40.10 0.6 undecidable manual S 315 47.4192 104 0 48
IV.VCEL.EHZ. 2022-09-22T17:51:40.40 0.6 undecidable manual S 158 47.5191 104 0.29 45
IV.RM33.EHZ. 2022-09-22T17:51:39.80 0.6 undecidable manual S 227 45.4212 105 0.22 46
IV.ASSB.HHZ. 2022-09-22T17:51:38.91 0.3 undecidable manual P 290 82.8504 97 -0.06 66
IV.SAP2.EHZ. 2022-09-22T17:51:38.48 0.6 undecidable manual S 332 38.4282 108 0.7 40
IV.NRCA.HHZ. 2022-09-22T17:51:38.70 0.6 undecidable manual S 277 41.3253 107 0.16 47
IV.GUMA.HHZ. 2022-09-22T17:51:38.10 0.6 undecidable manual S 323 38.0286 109 0.41 45
IV.GIGS.HHZ. 2022-09-22T17:51:37.60 0.6 undecidable manual S 186 37.629 109 0.02 49
IV.SNTG.HHZ. 2022-09-22T17:51:37.55 0.6 undecidable manual P 313 75.369 98 -0.27 43
IV.MC2.EHZ. 2022-09-22T17:51:37.60 0.6 undecidable manual S 291 37.4292 109 0.05 48
IV.CING.HHZ. 2022-09-22T17:51:37.40 0.3 undecidable manual P 332 73.4709 98 -0.12 67
IV.EL6.EHZ. 2022-09-22T17:51:37.23 0.3 undecidable manual P 325 73.0713 98 -0.23 65
IV.MNTT.EHZ. 2022-09-22T17:51:36.96 0.6 undecidable manual S 356 30.2475 114 1.22 32
7F.SIB1.EHE. 2022-09-22T17:51:36.03 0.6 undecidable manual S 292 30.6471 114 0.17 48
7F.SIB3.EHN. 2022-09-22T17:51:35.60 0.6 undecidable manual S 288 29.9478 115 -0.07 49
IV.T0110.HHZ. 2022-09-22T17:51:35.94 0.3 undecidable manual P 168 63.492 100 -0.07 69
IV.CESI.HHZ. 2022-09-22T17:51:35.81 0.1 undecidable manual P 293 62.7927 100 -0.09 91
IV.SMA1.EHZ. 2022-09-22T17:51:35.80 0.6 undecidable manual S 233 29.1486 115 0.31 46
7F.SIB2.EHE. 2022-09-22T17:51:35.00 0.6 undecidable manual S 294 27.9498 117 -0.21 47
IV.MML1.EHZ. 2022-09-22T17:51:35.76 0.1 undecidable manual P 305 63.5919 100 -0.27 88
IV.MF5.EHZ. 2022-09-22T17:51:34.90 0.6 undecidable manual S 329 25.4523 120 0.28 47
IV.LNSS.HHZ. 2022-09-22T17:51:34.38 0.3 undecidable manual P 246 51.6039 103 0.17 69
IV.MMO1.EHZ. 2022-09-22T17:51:34.80 0.6 undecidable manual S 297 26.6511 118 -0.1 49
IV.FDMO.HHZ. 2022-09-22T17:51:33.81 0.1 undecidable manual P 302 51.1155 103 -0.33 89
IV.CSP1.EHZ. 2022-09-22T17:51:33.29 0.1 undecidable manual P 315 47.4192 104 -0.3 90
IV.TERO.HNZ. 2022-09-22T17:51:33.40 0.6 undecidable manual S 184 18.6702 130 0.29 48
IV.VCEL.EHZ. 2022-09-22T17:51:33.74 0.3 undecidable manual P 158 47.5191 104 0.15 70
IV.OFFI.HHZ. 2022-09-22T17:51:33.59 0.6 undecidable manual S 19 16.9719 133 0.81 40
IV.MTRA.EHZ. 2022-09-22T17:51:33.00 0.6 undecidable manual S 258 18.4704 130 -0.09 49
IV.RM33.EHZ. 2022-09-22T17:51:33.40 0.3 undecidable manual P 227 45.4212 105 0.11 70
IV.GUMA.HHZ. 2022-09-22T17:51:32.05 0.1 undecidable manual P 323 38.0286 109 -0.14 95
IV.NRCA.HHZ. 2022-09-22T17:51:32.56 0.1 undecidable manual P 277 41.3253 107 -0.13 94
IV.MC2.EHZ. 2022-09-22T17:51:32.08 0.1 undecidable manual P 291 37.4292 109 -0.04 97
IV.SAP2.EHZ. 2022-09-22T17:51:32.34 0.3 undecidable manual P 332 38.4282 108 0.09 71
IV.CAMP.HHZ. 2022-09-22T17:51:31.53 0.1 undecidable manual P 211 33.0447 112 0.06 97
7F.SIB1.EHE. 2022-09-22T17:51:31.04 0.1 undecidable manual P 292 30.6471 114 -0.1 97
IV.MNTT.EHZ. 2022-09-22T17:51:31.42 0.6 undecidable manual P 356 30.2475 114 0.35 46
IV.GIGS.HHZ. 2022-09-22T17:51:31.95 0.1 undecidable manual P 186 37.629 109 -0.18 94
IV.TRTR.HHZ. 2022-09-22T17:51:30.63 0.3 undecidable manual P 85 24.0537 121 0.4 69
7F.SIB2.EHE. 2022-09-22T17:51:30.50 0.1 undecidable manual P 294 27.9498 117 -0.26 94
IV.ASCOL.EHZ. 2022-09-22T17:51:30.20 0.3 undecidable manual S 340 7.1928 157 -1.07 54
7F.SIB3.EHN. 2022-09-22T17:51:30.84 0.1 undecidable manual P 288 29.9478 115 -0.19 95
IV.MF5.EHZ. 2022-09-22T17:51:30.32 0.1 undecidable manual P 329 25.4523 120 -0.1 98
IV.SMA1.EHZ. 2022-09-22T17:51:30.95 0.1 undecidable manual P 233 29.1486 115 0.03 98
IV.MMO1.EHZ. 2022-09-22T17:51:30.38 0.1 undecidable manual P 297 26.6511 118 -0.2 95
IV.OFFI.HHZ. 2022-09-22T17:51:29.47 0.1 undecidable manual P 19 16.9719 133 0.11 99
IV.TERO.HNZ. 2022-09-22T17:51:29.59 0.1 undecidable manual P 184 18.6702 130 0.04 100
IV.MTRA.EHZ. 2022-09-22T17:51:29.51 0.1 undecidable manual P 258 18.4704 130 -0.03 100
IV.ASCOL.EHZ. 2022-09-22T17:51:27.94 0.3 undecidable manual P 340 7.1928 157 -0.54 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HNN. ML:1.9 0.00048750000000000003 0.42 AML other m 2022-09-22T17:51:33.63
IV.MTRA.EHE. ML:2.4 0.001595 0.34 AML other m 2022-09-22T17:51:33.49
IV.MTRA.HNE. ML:2.4 0.001605 0.34 AML other m 2022-09-22T17:51:33.49
IV.MTRA.EHN. ML:2.3 0.00107 0.1 AML other m 2022-09-22T17:51:33.54
IV.MTRA.HNN. ML:2.2 0.00103 0.1 AML other m 2022-09-22T17:51:33.49
IV.TERO.HNE. ML:2.0 0.000664 0.32 AML other m 2022-09-22T17:51:33.51
IV.OFFI.HHN. ML:2.1 0.0008945000000000001 1.56 AML other m 2022-09-22T17:51:34.84
IV.MMO1.EHE. ML:1.6 0.0001805 0.24 AML other m 2022-09-22T17:51:35.16
IV.MF5.EHN. ML:2.0 0.0004974999999999999 0.3 AML other m 2022-09-22T17:51:35.06
IV.MF5.EHE. ML:2.1 0.0005520000000000001 1.52 AML other m 2022-09-22T17:51:35.23
IV.OFFI.HHE. ML:2.1 0.0008165 0.34 AML other m 2022-09-22T17:51:35.25
IV.MMO1.EHN. ML:1.6 0.000201 0.16 AML other m 2022-09-22T17:51:35.80
IV.SMA1.EHN. ML:2.1 0.000495 1.54 AML other m 2022-09-22T17:51:35.99
IV.SMA1.EHE. ML:2.0 0.00039949999999999995 1.14 AML other m 2022-09-22T17:51:36.23
IV.CAMP.HHN. ML:1.3 0.00006865 0.36 AML other m 2022-09-22T17:51:37.18
IV.GIGS.HHN. ML:1.0 0.00002775 1.68 AML other m 2022-09-22T17:51:38.10
IV.GUMA.HHN. ML:2.0 0.0003235 0.72 AML other m 2022-09-22T17:51:38.46
IV.GUMA.HNE. ML:2.0 0.0003475 1.04 AML other m 2022-09-22T17:51:38.46
IV.GIGS.HHE. ML:1.1 0.000039 0.48 AML other m 2022-09-22T17:51:38.58
IV.GUMA.HHE. ML:2.0 0.0003035 0.28 AML other m 2022-09-22T17:51:38.95
IV.CAMP.HHE. ML:1.2 0.000059399999999999994 1.22 AML other m 2022-09-22T17:51:39.23
IV.NRCA.HHN. ML:2.2 0.00048550000000000004 0.6 AML other m 2022-09-22T17:51:39.42
IV.NRCA.HHE. ML:2.2 0.0005024999999999999 0.12 AML other m 2022-09-22T17:51:39.49
IV.RM33.EHE. ML:1.7 0.0001305 0.84 AML other m 2022-09-22T17:51:40.17
IV.CSP1.EHN. ML:1.9 0.00020600000000000002 0.3 AML other m 2022-09-22T17:51:40.67
IV.CSP1.EHE. ML:1.9 0.000201 1.68 AML other m 2022-09-22T17:51:41.90
IV.RM33.EHN. ML:1.6 0.0001215 0.56 AML other m 2022-09-22T17:51:41.78
IV.LNSS.HHN. ML:1.9 0.00020250000000000002 0.3 AML other m 2022-09-22T17:51:42.39
IV.FDMO.HHE. ML:1.3 0.000050799999999999995 0.12 AML other m 2022-09-22T17:51:42.59
IV.GUMA.HNN. ML:1.9 0.00025550000000000003 0.8 AML other m 2022-09-22T17:51:42.56
IV.LNSS.HHE. ML:2.0 0.00022299999999999997 0.12 AML other m 2022-09-22T17:51:43.34
IV.FDMO.HHN. ML:1.3 0.00005025 1.4 AML other m 2022-09-22T17:51:44.76
IV.CESI.HHN. ML:1.5 0.00005500000000000001 0.18 AML other m 2022-09-22T17:51:45.79
IV.MML1.EHE. ML:1.3 0.0000339 1.5 AML other m 2022-09-22T17:51:46.16
IV.MML1.EHN. ML:1.3 0.0000407 1.2 AML other m 2022-09-22T17:51:47.79
IV.CESI.HHE. ML:1.3 0.0000383 0.9 AML other m 2022-09-22T17:51:48.35
IV.SNTG.HHE. ML:1.2 0.00002435 1.58 AML other m 2022-09-22T17:51:49.19
IV.SNTG.HHN. ML:1.3 0.0000314 0.36 AML other m 2022-09-22T17:51:53.62
IV.ASSB.HHN. ML:1.4 0.0000279 0.98 AML other m 2022-09-22T17:51:54.16
IV.T0110.HHN. ML:1.5 0.00005405 0.8 AML other m 2022-09-22T17:51:54.37
IV.ASSB.HHE. ML:1.4 0.00002945 1.06 AML other m 2022-09-22T17:51:56.18
IV.T0110.HHE. ML:1.5 0.000052850000000000004 0.44 AML other m 2022-09-22T17:52:00.74
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