Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-09-2022 and time 21:09:27 (UTC) in region 4 km SW Folignano (AP)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Folignano (AP), on

  • 25-09-2022 21:09:27 (UTC)
  • 25-09-2022 23:09:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.6090 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 5 5116 14357
Ascoli Piceno AP 7 49407 63764
Maltignano AP 8 2401 66165
Campli TE 10 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
Roccafluvione AP 13 2010 98448
Rocca Santa Maria TE 13 537 98985
Venarotta AP 14 2066 101051
Torano Nuovo TE 14 1611 102662
Colli del Tronto AP 15 3668 106330
Torricella Sicura TE 15 2641 108971
Castorano AP 15 2380 111351
Sant'Omero TE 16 5243 116594
Castignano AP 16 2796 119390
Acquasanta Terme AP 16 2916 122306
Teramo TE 17 54892 177198
Bellante TE 17 7152 184350
Palmiano AP 17 196 184546
Nereto TE 17 5242 189788
Spinetoli AP 17 7215 197003
Offida AP 17 5058 202061
Rotella AP 19 906 202967
Controguerra TE 19 2436 205403
Corropoli TE 19 5045 210448
Monsampolo del Tronto AP 19 4611 215059
Montedinove AP 20 488 215547

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Teramo (54892 inhabitants)
52 Km NE of L'Aquila (69753 inhabitants)
54 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)
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 1.5 2022-09-25
21:09:27		 42.7918 13.6092 19 2024-03-01
15:28:22		 Bollettino Sismico Italiano INGV 116492661
Reviewed
Rev100 		ML 1.4 2022-09-25
21:09:27		 42.7938 13.61 17 2022-09-25
21:21:17		 Sala Sismica INGV-Roma 110155201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-25 21:09:27 ± 0.12
Latitude 42.7918 ± 0.0036
Longitude 13.6092 ± 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 116492661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56657
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 116492661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-18 15:55:29

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 110155201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-25 21:21:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2022-09-25T21:10:42.37 3.0 undecidable manual Sn -1.56 0
IV.PTRJ.HHZ. 2022-09-25T21:10:16.64 3.0 undecidable manual Sn 1.96 0
IX.COL3.HHZ.02 2022-09-25T21:10:06.33 3.0 undecidable manual Pn 0.35 0
IV.MCRV.HHZ. 2022-09-25T21:10:03.81 3.0 undecidable manual Pn -0.19 0
IV.PTRJ.HHZ. 2022-09-25T21:09:58.02 3.0 undecidable manual Pg 4.17 0
IV.T0110.HHZ. 2022-09-25T21:09:41.52 3.0 positive manual P 2.17 0
IV.CESI.HHZ. 2022-09-25T21:09:38.54 0.1 undecidable manual P 293 61.8936 100 -0.03 96
7F.SIB3.EHZ. 2022-09-25T21:09:38.41 0.6 undecidable manual S 289 29.0487 114 0.18 49
IV.SMA1.EHZ. 2022-09-25T21:09:38.39 0.6 undecidable manual S 231 28.5492 115 0.28 48
IV.MML1.EHZ. 2022-09-25T21:09:38.61 0.3 undecidable manual P 305 62.8926 99 -0.1 71
IV.MF5.EHZ. 2022-09-25T21:09:37.59 0.6 undecidable manual S 331 24.8529 119 0.37 48
IV.MMO1.EHZ. 2022-09-25T21:09:37.53 0.3 undecidable manual S 298 25.8519 118 0.08 76
7F.SIB2.EHZ. 2022-09-25T21:09:37.78 0.3 undecidable manual S 294 27.1506 116 0.02 76
IV.LNSS.HHZ. 2022-09-25T21:09:37.21 0.3 undecidable manual P 246 50.9157 102 0.31 69
IV.RM33.EHZ. 2022-09-25T21:09:36.21 0.3 undecidable manual P 226 44.9217 104 0.2 71
IV.CSP1.EHZ. 2022-09-25T21:09:36.05 0.3 undecidable manual P 316 46.7199 104 -0.23 71
IV.OFFI.HHZ. 2022-09-25T21:09:36.19 0.6 undecidable manual S 21 17.0718 132 0.68 45
IV.FDMO.HHZ. 2022-09-25T21:09:36.59 0.3 undecidable manual P 303 50.3163 102 -0.22 71
IV.NRCA.HHZ. 2022-09-25T21:09:35.32 0.1 undecidable manual P 277 40.5261 106 -0.03 100
IV.MTRA.EHZ. 2022-09-25T21:09:35.84 0.6 undecidable manual S 257 17.7711 130 0.2 50
IV.TERO.HHZ. 2022-09-25T21:09:35.98 0.6 undecidable manual S 181 18.7701 128 0.12 51
IV.GIGS.HHZ. 2022-09-25T21:09:34.68 0.1 undecidable manual P 185 37.629 108 -0.25 96
IV.GUMA.HHZ. 2022-09-25T21:09:34.97 0.3 undecidable manual P 324 37.4292 108 0.08 75
IV.CAMP.HHZ. 2022-09-25T21:09:34.31 0.3 undecidable manual P 210 32.745 111 0.1 75
IV.MC2.EHZ. 2022-09-25T21:09:34.80 0.3 undecidable manual P 291 36.6411 108 0.02 75
IV.MNTT.EHZ. 2022-09-25T21:09:34.15 0.3 undecidable manual P 358 29.9478 113 0.33 72
IV.SMA1.EHZ. 2022-09-25T21:09:33.68 0.3 undecidable manual P 231 28.5492 115 0.06 76
IV.TRTR.HHZ. 2022-09-25T21:09:33.33 0.3 undecidable manual P 86 24.8529 119 0.22 75
7F.SIB1.EHZ. 2022-09-25T21:09:33.77 0.3 undecidable manual P 293 29.8479 114 -0.03 76
IV.MF5.EHZ. 2022-09-25T21:09:33.07 0.3 undecidable manual P 331 24.8529 119 -0.05 76
IV.MMO1.EHZ. 2022-09-25T21:09:33.09 0.1 undecidable manual P 298 25.8519 118 -0.15 100
7F.SIB3.EHZ. 2022-09-25T21:09:33.54 0.3 undecidable manual P 289 29.0487 114 -0.15 75
7F.SIB2.EHZ. 2022-09-25T21:09:33.21 0.1 undecidable manual P 294 27.1506 116 -0.21 98
IV.ASCOL.HNZ. 2022-09-25T21:09:32.94 0.6 undecidable manual S 347 6.7932 158 -0.96 39
IV.OFFI.HHZ. 2022-09-25T21:09:32.32 0.3 undecidable manual P 21 17.0718 132 0.19 76
IV.MTRA.EHZ. 2022-09-25T21:09:32.20 0.3 undecidable manual P 257 17.7711 130 0 78
IV.TERO.HHZ. 2022-09-25T21:09:32.28 0.3 undecidable manual P 181 18.7701 128 -0.04 77
IV.ASCOL.HNZ. 2022-09-25T21:09:30.63 0.3 undecidable manual P 347 6.7932 158 -0.56 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.7 0.00030888650000000003 1.9232 AML other m 2022-09-25T21:09:36.96
IV.MTRA.EHN. ML:1.7 0.0003145000999999999 1.9232 AML other m 2022-09-25T21:09:36.97
IV.TERO.HNE. ML:1.4 0.00015860380000000003 0.064 AML other m 2022-09-25T21:09:36.04
IV.TERO.HNN. ML:1.5 0.0002066573 0.0768 AML other m 2022-09-25T21:09:36.12
IV.TERO.HHN. ML:1.5 0.00020574380000000001 0.0896 AML other m 2022-09-25T21:09:36.12
IV.MTRA.HNE. ML:1.8 0.00041244305 0.128 AML other m 2022-09-25T21:09:36.15
IV.MTRA.EHE. ML:1.8 0.0004081915 0.128 AML other m 2022-09-25T21:09:36.16
IV.MMO1.EHE. ML:1.2 0.000078141575 0.0768 AML other m 2022-09-25T21:09:37.89
IV.SMA1.EHN. ML:1.6 0.00015317619500000002 0.1024 AML other m 2022-09-25T21:09:39.13
IV.MMO1.EHN. ML:1.2 0.00008228511499999999 0.2176 AML other m 2022-09-25T21:09:39.52
IV.SMA1.EHE. ML:1.4 0.0001094543 0.1024 AML other m 2022-09-25T21:09:39.49
IV.CAMP.HHE. ML:0.9 0.000029103759999999998 0.1664 AML other m 2022-09-25T21:09:39.64
IV.CAMP.HHN. ML:1.1 0.00004927449 0.384 AML other m 2022-09-25T21:09:39.65
IV.MC2.EHN. ML:1.7 0.000181417735 0.0768 AML other m 2022-09-25T21:09:41.32
IV.MC2.EHE. ML:1.6 0.00015119664999999998 1.7696 AML other m 2022-09-25T21:09:41.95
IV.NRCA.HNE. ML:1.9 0.00024621145 0.0896 AML other m 2022-09-25T21:09:42.07
IV.NRCA.HHE. ML:1.9 0.0002475 0.1 AML other m 2022-09-25T21:09:42.08
IV.NRCA.HHN. ML:1.8 0.00020039905 0.1152 AML other m 2022-09-25T21:09:42.20
IV.NRCA.HNN. ML:1.8 0.00017772785 0.1152 AML other m 2022-09-25T21:09:42.20
IV.RM33.EHE. ML:1.0 0.000029166041 0.1024 AML other m 2022-09-25T21:09:43.83
IV.FDMO.HHE. ML:1.2 0.0000386 0.18 AML other m 2022-09-25T21:09:44.36
IV.CSP1.EHE. ML:1.4 0.00005852032 0.1792 AML other m 2022-09-25T21:09:44.25
IV.FDMO.HHN. ML:1.0 0.000023747165 0.1152 AML other m 2022-09-25T21:09:44.93
IV.LNSS.HHE. ML:1.3 0.000047223254999999996 0.1152 AML other m 2022-09-25T21:09:45.24
IV.CSP1.EHN. ML:1.4 0.0000578726715 0.2816 AML other m 2022-09-25T21:09:45.31
IV.LNSS.HHN. ML:1.4 0.000058725925 0.1408 AML other m 2022-09-25T21:09:45.82
IV.CESI.HHN. ML:1.2 0.000032337985 0.2816 AML other m 2022-09-25T21:09:47.91
IV.CESI.HHE. ML:1.1 0.000026210690000000002 0.2176 AML other m 2022-09-25T21:09:48.15
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