Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 24-09-2022 and time 20:59:57 (UTC) in region 4 km S Folignano (AP)

A magnitude ML 1.6 earthquake occured in region: 4 km S Folignano (AP), on

  • 24-09-2022 20:59:57 (UTC)
  • 24-09-2022 22:59:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.6240 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
Sant'Egidio alla Vibrata TE 9 9811 75976
Campli TE 9 7209 83185
Ancarano TE 11 1857 85042
Castel di Lama AP 12 8634 93676
Valle Castellana TE 12 977 94653
Appignano del Tronto AP 13 1785 96438
Torano Nuovo TE 13 1611 98049
Rocca Santa Maria TE 14 537 98586
Colli del Tronto AP 14 3668 102254
Roccafluvione AP 15 2010 104264
Sant'Omero TE 15 5243 109507
Venarotta AP 15 2066 111573
Castorano AP 15 2380 113953
Torricella Sicura TE 15 2641 116594
Bellante TE 16 7152 123746
Teramo TE 16 54892 178638
Nereto TE 16 5242 183880
Spinetoli AP 17 7215 191095
Castignano AP 17 2796 193891
Offida AP 17 5058 198949
Acquasanta Terme AP 18 2916 201865
Controguerra TE 18 2436 204301
Corropoli TE 18 5045 209346
Palmiano AP 18 196 209542
Monsampolo del Tronto AP 18 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)
60 Km NW of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
77 Km E of Foligno (57155 inhabitants)
84 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 1.6 2022-09-24
20:59:57		 42.79 13.6242 21 2024-03-01
15:28:21		 Bollettino Sismico Italiano INGV 116309541
Reviewed
Rev100 		ML 1.6 2022-09-24
20:59:57		 42.7982 13.6525 19 2022-09-24
21:10:43		 Sala Sismica INGV-Roma 110108961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-24 20:59:57 ± 0.16
Latitude 42.7900 ± 0.0054
Longitude 13.6242 ± 0.0110
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116309541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66010
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 116309541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-12 10:39:58

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 110108961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-24 21:10:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.HNZ. 2022-09-24T21:01:56.42 3.0 undecidable manual Sg 19.32 0
IV.SPS2.HHZ. 2022-09-24T21:01:40.27 3.0 undecidable manual Sn -6.19 0
IV.MSSA.HHZ. 2022-09-24T21:01:32.15 3.0 undecidable manual Sn 1.6 0
RF.GEPF.HHZ. 2022-09-24T21:01:29.33 3.0 undecidable manual Sn -1.68 0
MN.TIR.HHZ. 2022-09-24T21:01:26.97 3.0 positive manual Pg 19.17 0
IV.CMPR.HHZ. 2022-09-24T21:01:22.41 3.0 undecidable manual Sg 7.02 0
IV.MFNL.HHZ. 2022-09-24T21:01:20.84 3.0 positive manual Pg 8.48 0
IV.BAG8.EHZ. 2022-09-24T21:01:08.86 3.0 positive manual Pg 14.7 0
IV.FROS.CHZ. 2022-09-24T21:00:54.76 3.0 undecidable manual Sn 0 0
IV.MSSA.HHZ. 2022-09-24T21:00:47.25 3.0 positive manual Pn -1.79 0
IV.CMPR.HHZ. 2022-09-24T21:00:41.02 3.0 undecidable manual Pn 0.5 0
IX.PGN3.HHZ.02 2022-09-24T21:00:40.01 3.0 positive manual Pn 0.11 0
IV.LRP.EHZ. 2022-09-24T21:00:18.12 3.0 undecidable manual P -0.92 0
IV.CESI.HHZ. 2022-09-24T21:00:17.81 0.6 undecidable manual S 292 63.1923 101 0.58 41
IV.FDMO.HHZ. 2022-09-24T21:00:14.25 0.3 undecidable manual S 302 51.5151 103 0.07 70
IV.CSP1.EHZ. 2022-09-24T21:00:13.38 0.3 undecidable manual S 315 47.7189 105 0.17 69
IV.MC2.EHZ. 2022-09-24T21:00:11.05 0.3 undecidable manual S 291 37.8288 110 0.35 68
IV.NRCA.HHZ. 2022-09-24T21:00:11.90 0.3 undecidable manual S 277 41.7249 107 0.22 70
IV.MNTT.EHZ. 2022-09-24T21:00:10.12 0.6 undecidable manual S 356 30.2475 116 1.3 30
IV.EL6.EHZ. 2022-09-24T21:00:10.12 0.6 undecidable manual P 325 73.2711 99 -0.4 42
IV.GIGS.HHZ. 2022-09-24T21:00:10.62 0.3 undecidable manual S 186 37.629 110 -0.01 72
IV.CAMP.HHE. 2022-09-24T21:00:09.99 0.6 undecidable manual S 212 33.2445 113 0.45 45
IV.SMA1.EHZ. 2022-09-24T21:00:08.99 0.3 undecidable manual S 233 29.4483 116 0.37 69
IV.CESI.HHZ. 2022-09-24T21:00:08.85 0.1 undecidable manual P 292 63.1923 101 -0.12 90
IV.MF5.EHZ. 2022-09-24T21:00:07.76 0.3 undecidable manual S 329 25.6521 120 0.02 74
IV.CSP1.EHZ. 2022-09-24T21:00:06.31 0.1 undecidable manual P 315 47.7189 105 -0.34 89
IV.FDMO.HHZ. 2022-09-24T21:00:06.86 0.1 undecidable manual P 302 51.5151 103 -0.35 88
IV.OFFI.HHZ. 2022-09-24T21:00:06.57 0.6 undecidable manual S 17 16.872 134 0.71 41
IV.MTRA.EHZ. 2022-09-24T21:00:06.16 0.3 undecidable manual S 259 18.87 131 -0.1 73
IV.TERO.HHZ. 2022-09-24T21:00:06.24 0.3 undecidable manual S 185 18.6702 131 0.04 75
IV.MC2.EHZ. 2022-09-24T21:00:05.09 0.1 undecidable manual P 291 37.8288 110 -0.1 95
IV.NRCA.HHZ. 2022-09-24T21:00:05.63 0.1 undecidable manual P 277 41.7249 107 -0.14 93
IV.MNTT.EHZ. 2022-09-24T21:00:04.49 0.3 undecidable manual P 356 30.2475 116 0.38 68
IV.GIGS.HHZ. 2022-09-24T21:00:04.99 0.1 undecidable manual P 186 37.629 110 -0.17 93
IV.CAMP.HHE. 2022-09-24T21:00:04.57 0.1 undecidable manual P 212 33.2445 113 0.04 97
IV.SMA1.EHZ. 2022-09-24T21:00:04.03 0.1 undecidable manual P 233 29.4483 116 0.03 98
IV.ASCOL.HNZ. 2022-09-24T21:00:03.23 0.3 undecidable manual S 338 7.3815 157 -1.19 51
IV.MF5.EHZ. 2022-09-24T21:00:03.39 0.1 undecidable manual P 329 25.6521 120 -0.1 97
IV.TRTR.HHE. 2022-09-24T21:00:03.80 0.3 undecidable manual P 85 23.6541 123 0.57 64
IV.MTRA.EHZ. 2022-09-24T21:00:02.52 0.1 undecidable manual P 259 18.87 131 -0.11 97
IV.TERO.HHZ. 2022-09-24T21:00:02.62 0.1 undecidable manual P 185 18.6702 131 0.01 100
IV.OFFI.HHZ. 2022-09-24T21:00:02.49 0.1 undecidable manual P 17 16.872 134 0.09 98
IV.ASCOL.HNZ. 2022-09-24T21:00:00.96 0.1 undecidable manual P 338 7.3815 157 -0.61 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.7 0.00026820014999999996 0.1024 AML other m 2022-09-24T21:00:06.38
IV.MTRA.HNN. ML:1.7 0.0002769797 0.0896 AML other m 2022-09-24T21:00:06.33
IV.TERO.HNN. ML:1.6 0.00022809635 0.0512 AML other m 2022-09-24T21:00:06.51
IV.TERO.HHN. ML:1.7 0.00025850746 0.1024 AML other m 2022-09-24T21:00:06.53
IV.MTRA.HNE. ML:1.6 0.00024673685 0.0896 AML other m 2022-09-24T21:00:06.54
IV.MTRA.EHE. ML:1.6 0.00023843785 0.0896 AML other m 2022-09-24T21:00:06.55
IV.TERO.HHE. ML:1.8 0.00036049129999999994 0.0768 AML other m 2022-09-24T21:00:06.55
IV.TERO.HNE. ML:1.9 0.0005396232000000001 0.064 AML other m 2022-09-24T21:00:06.55
IV.SMA1.EHN. ML:1.2 0.000059868379999999996 0.0768 AML other m 2022-09-24T21:00:09.09
IV.SMA1.EHE. ML:1.0 0.000046279925 0.0768 AML other m 2022-09-24T21:00:09.17
IV.GIGS.HHN. ML:0.7 0.000012873424050000001 0.0768 AML other m 2022-09-24T21:00:10.92
IV.MC2.EHN. ML:2.1 0.00037159325 0.128 AML other m 2022-09-24T21:00:11.36
IV.GIGS.HHE. ML:1.0 0.000029126035 0.2304 AML other m 2022-09-24T21:00:11.59
IV.MC2.EHE. ML:1.8 0.0001863563 0.1408 AML other m 2022-09-24T21:00:11.87
IV.NRCA.HHN. ML:1.8 0.0002050512 0.128 AML other m 2022-09-24T21:00:12.20
IV.NRCA.HNN. ML:1.8 0.00019719715 0.0896 AML other m 2022-09-24T21:00:12.50
IV.NRCA.HHE. ML:1.9 0.00022 0.1 AML other m 2022-09-24T21:00:12.48
IV.NRCA.HNE. ML:1.8 0.00018251551 0.1024 AML other m 2022-09-24T21:00:12.53
IV.CSP1.EHN. ML:1.4 0.00006171598 0.1792 AML other m 2022-09-24T21:00:13.61
IV.EL6.EHN. ML:1.7 0.000081361875 0.0544 AML other m 2022-09-24T21:00:13.93
IV.CSP1.EHE. ML:1.4 0.000057643189999999997 0.1792 AML other m 2022-09-24T21:00:14.16
IV.FDMO.HHN. ML:1.3 0.000043993564999999996 0.2048 AML other m 2022-09-24T21:00:14.69
IV.FDMO.HHE. ML:1.2 0.000033417345 0.1792 AML other m 2022-09-24T21:00:15.65
IV.CESI.HHE. ML:1.2 0.0000277473765 0.1152 AML other m 2022-09-24T21:00:18.20
IV.CESI.HHN. ML:1.5 0.000058081655 0.128 AML other m 2022-09-24T21:00:18.82
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