Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-09-2022 and time 02:58:31 (Italy) in region 7 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 21-09-2022 00:58:31 (UTC)
  • 21-09-2022 02:58:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.1850 at 8 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
Accumoli RI 7 667 667
Norcia PG 10 4957 5624
Arquata del Tronto AP 10 1178 6802
Cittareale RI 13 482 7284
Cascia PG 14 3217 10501
Amatrice RI 14 2657 13158
Montegallo AP 17 523 13681
Castelsantangelo sul Nera MC 18 281 13962
Acquasanta Terme AP 19 2916 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Chieti (51815 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 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 2.0 2022-09-21
00:58:31		 42.7343 13.1853 8 2024-03-01
15:27:55		 Bollettino Sismico Italiano INGV 110449441
Reviewed
Rev100 		ML 1.9 2022-09-21
00:58:31		 42.7337 13.1805 9 2022-09-21
01:03:51		 Sala Sismica INGV-Roma 109947431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-21 00:58:31 ± 0.05
Latitude 42.7343 ± 0.0027
Longitude 13.1853 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110449441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 307
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 83
Number of defining phases 78
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99465
Number of stations at which the event was observed 54
Number of stations from which data was used for origin computation 50
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 110449441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-03 08:31:04

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 109947431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-21 01:03:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVA.EHE. 2022-09-21T00:59:00.62 3.0 undecidable manual S 0.7 0
IV.ARVD.HHZ. 2022-09-21T00:58:58.46 0.6 undecidable manual S 347 86.9463 50 0.83 35
IV.CRTC.HNE. 2022-09-21T00:58:55.15 3.0 undecidable manual P 3.81 0
IV.CING.HHZ. 2022-09-21T00:58:54.12 0.6 undecidable manual S 1 71.1732 50 0.72 38
IV.FOSV.EHZ. 2022-09-21T00:58:53.61 0.6 undecidable manual S 331 71.0733 50 0.23 44
IV.ATCC.EHZ. 2022-09-21T00:58:53.10 0.6 undecidable manual S 319 66.7776 50 0.86 36
IV.EL6.EHZ. 2022-09-21T00:58:52.40 0.6 undecidable manual S 354 66.378 50 0.28 43
IV.AOI.HHE. 2022-09-21T00:58:51.91 3.0 undecidable manual P 3.74 0
IV.ATMI.HHZ. 2022-09-21T00:58:51.91 3.0 undecidable manual P 3.29 0
IV.ATVA.EHE. 2022-09-21T00:58:50.96 3.0 undecidable manual P 3.12 0
IV.SNTG.HHZ. 2022-09-21T00:58:50.86 0.6 undecidable manual S 341 61.0944 50 0.15 45
IV.MPAG.EHZ. 2022-09-21T00:58:50.08 0.6 undecidable manual P 341 105.117 50 0.77 35
IV.APEC.HNN. 2022-09-21T00:58:50.82 0.6 undecidable manual P 326 110.4006 50 0.68 35
IV.NARO.HHZ. 2022-09-21T00:58:50.26 0.6 undecidable manual P 333 108.8133 50 0.37 39
IV.ATPC.HHE. 2022-09-21T00:58:49.80 0.6 undecidable manual P 325 101.6205 50 1.01 31
IV.ASSB.HHZ. 2022-09-21T00:58:48.87 0.6 undecidable manual S 309 54.8007 50 -0.16 46
IV.FIAM.HHZ. 2022-09-21T00:58:48.20 0.6 undecidable manual S 186 52.0035 50 -0.1 46
IV.FRON.EHZ. 2022-09-21T00:58:47.88 0.6 undecidable manual P 337 94.5387 50 0.19 42
IV.MGAB.HHZ. 2022-09-21T00:58:47.41 0.6 undecidable manual P 283 89.5437 50 0.49 40
IV.ATLO.EHE. 2022-09-21T00:58:47.21 0.6 undecidable manual P 316 90.1431 50 0.19 42
IV.MML1.EHZ. 2022-09-21T00:58:46.26 0.3 undecidable manual S 338 45.5211 50 -0.29 68
IV.SSFR.HHZ. 2022-09-21T00:58:46.23 0.6 undecidable manual P 337 84.4488 50 0.1 44
IV.SAP2.EHE. 2022-09-21T00:58:46.81 0.6 undecidable manual S 23 43.8228 50 0.71 40
IV.ARVD.HHZ. 2022-09-21T00:58:46.31 0.6 undecidable manual P 347 86.9463 50 -0.22 42
IV.PF6.EHN. 2022-09-21T00:58:45.64 0.6 undecidable manual S 1 44.7219 50 -0.72 40
IV.GUMA.HHZ. 2022-09-21T00:58:45.22 0.3 undecidable manual S 18 38.4282 50 0.56 64
IV.CING.HHZ. 2022-09-21T00:58:44.07 0.6 undecidable manual P 1 71.1732 50 -0.01 46
IV.T0110.HHZ. 2022-09-21T00:58:44.78 0.6 undecidable manual P 139 73.9704 50 0.26 43
IV.CSP1.EHZ. 2022-09-21T00:58:44.74 0.6 undecidable manual S 2 39.7269 50 -0.26 46
IV.MF5.EHZ. 2022-09-21T00:58:44.51 0.6 undecidable manual S 38 35.9418 50 0.52 44
IV.ATCC.EHZ. 2022-09-21T00:58:43.19 0.6 undecidable manual P 319 66.7776 50 -0.22 44
IV.TERO.HHZ. 2022-09-21T00:58:43.69 0.6 undecidable manual S 110 36.3414 50 -0.41 45
IV.VCEL.EHZ. 2022-09-21T00:58:43.64 0.6 undecidable manual P 125 65.49 50 0.43 42
IV.ASCOL.EHN. 2022-09-21T00:58:43.32 0.6 undecidable manual S 68 35.3424 50 -0.53 43
IV.FAGN.HHZ. 2022-09-21T00:58:43.07 0.6 undecidable manual P 148 61.3941 50 0.5 42
IV.CESI.HHZ. 2022-09-21T00:58:43.94 0.6 undecidable manual S 323 37.7289 50 -0.54 43
IV.FDMO.HHZ. 2022-09-21T00:58:43.10 0.6 undecidable manual S 347 34.4433 50 -0.51 44
IV.FOSV.EHZ. 2022-09-21T00:58:43.97 0.6 undecidable manual P 331 71.0733 50 -0.1 45
IV.EL6.EHZ. 2022-09-21T00:58:42.99 0.3 undecidable manual P 354 66.378 50 -0.35 64
IV.SNTG.HHZ. 2022-09-21T00:58:42.18 0.3 undecidable manual P 341 61.0944 50 -0.35 65
IV.MNTT.EHE. 2022-09-21T00:58:41.33 0.6 undecidable manual P 42 49.3173 50 0.61 41
IV.MNTP.HNZ. 2022-09-21T00:58:41.23 0.6 undecidable manual P 27 50.3163 50 0.36 44
IV.CAMP.HHZ. 2022-09-21T00:58:41.20 0.6 undecidable manual S 140 28.6491 106 -0.5 44
IV.ASSB.HHZ. 2022-09-21T00:58:41.25 0.6 undecidable manual P 309 54.8007 50 -0.31 44
IV.GAVE.HNZ. 2022-09-21T00:58:40.25 0.6 undecidable manual S 259 24.1536 109 0.01 50
IV.OFFI.HHZ. 2022-09-21T00:58:40.90 0.3 undecidable manual P 61 46.4202 50 0.63 61
IV.CESX.HHZ. 2022-09-21T00:58:40.60 0.3 undecidable manual P 254 50.8158 50 -0.34 66
IV.RM33.EHZ. 2022-09-21T00:58:40.44 0.6 undecidable manual S 175 25.1526 108 -0.1 49
MN.AQU.HNN. 2022-09-21T00:58:40.13 0.6 undecidable manual P 157 45.8208 50 -0.06 47
IV.GIGS.HHZ. 2022-09-21T00:58:40.13 0.6 undecidable manual P 134 44.4222 50 0.16 46
IV.FIAM.HHZ. 2022-09-21T00:58:40.81 0.3 undecidable manual P 186 52.0035 50 -0.33 66
IV.SAP2.EHE. 2022-09-21T00:58:40.00 0.6 undecidable manual P 23 43.8228 50 0.13 47
IV.MML1.EHZ. 2022-09-21T00:58:39.76 0.3 undecidable manual P 338 45.5211 50 -0.37 66
IV.MMO1.EHZ. 2022-09-21T00:58:39.18 0.6 undecidable manual S 32 21.6672 111 -0.22 48
IV.PF6.EHN. 2022-09-21T00:58:39.57 0.3 undecidable manual P 1 44.7219 50 -0.45 65
IV.CSP1.EHZ. 2022-09-21T00:58:38.83 0.3 undecidable manual P 2 39.7269 50 -0.41 67
IV.MF5.EHZ. 2022-09-21T00:58:38.71 0.3 undecidable manual P 38 35.9418 50 0.06 72
IV.GUMA.HHZ. 2022-09-21T00:58:38.99 0.3 undecidable manual P 18 38.4282 50 -0.05 72
IV.MC2.EHZ. 2022-09-21T00:58:38.98 0.6 undecidable manual S 1 19.6692 113 0.22 48
IV.ARRO.EHZ. 2022-09-21T00:58:38.74 0.1 positive manual P 243 38.3283 50 -0.28 91
IV.MTRA.EHZ. 2022-09-21T00:58:38.23 0.6 undecidable manual S 82 17.3715 116 0.18 48
IV.LNSS.HHZ. 2022-09-21T00:58:38.92 0.6 undecidable manual S 219 18.7701 114 0.43 46
IV.TERO.HHZ. 2022-09-21T00:58:38.29 0.3 undecidable manual P 110 36.3414 50 -0.43 67
IV.ASCOL.EHN. 2022-09-21T00:58:38.20 0.3 undecidable manual P 68 35.3424 50 -0.37 68
7F.SIB2.EHE. 2022-09-21T00:58:38.49 0.6 undecidable manual S 29 19.869 113 -0.35 47
IV.CESI.HHZ. 2022-09-21T00:58:38.53 0.3 undecidable manual P 323 37.7289 50 -0.4 67
IV.FDMO.HHZ. 2022-09-21T00:58:37.89 0.3 undecidable manual P 347 34.4433 50 -0.54 65
7F.SIB3.EHN. 2022-09-21T00:58:37.66 0.6 undecidable manual S 24 17.0718 116 -0.29 47
IT.MTCL.HGZ. 2022-09-21T00:58:37.68 0.6 undecidable manual P 332 32.5452 104 -0.4 45
IV.CAMP.HHZ. 2022-09-21T00:58:37.33 0.6 undecidable manual P 140 28.6491 106 0 49
IV.FEMA.HNE. 2022-09-21T00:58:37.94 0.6 undecidable manual P 336 27.5502 107 0.81 39
IV.NRCA.HNZ. 2022-09-21T00:58:36.22 0.6 undecidable manual S 332 12.4764 124 -0.34 47
IV.GAVE.HNZ. 2022-09-21T00:58:36.48 0.3 undecidable manual P 259 24.1536 109 0 75
IV.RM33.EHZ. 2022-09-21T00:58:36.71 0.3 undecidable manual P 175 25.1526 108 0.05 74
IV.SMA1.EHZ. 2022-09-21T00:58:35.46 0.3 undecidable manual P 133 16.7721 116 0.34 70
7F.SIB2.EHE. 2022-09-21T00:58:35.57 0.1 positive manual P 29 19.869 113 -0.11 98
IV.MMO1.EHZ. 2022-09-21T00:58:35.93 0.1 positive manual P 32 21.6672 111 -0.07 98
7F.SIB3.EHN. 2022-09-21T00:58:35.13 0.1 positive manual P 24 17.0718 116 -0.03 100
IV.MC2.EHZ. 2022-09-21T00:58:35.75 0.3 undecidable manual P 1 19.6692 113 0.12 73
IV.MTRA.EHZ. 2022-09-21T00:58:35.34 0.3 undecidable manual P 82 17.3715 116 0.12 74
7F.SIB1.EHE. 2022-09-21T00:58:35.54 0.3 undecidable manual P 21 19.0698 114 0.01 75
IV.LNSS.HHZ. 2022-09-21T00:58:35.76 0.1 positive manual P 219 18.7701 114 0.29 95
IV.NRCA.HNZ. 2022-09-21T00:58:34.44 0.3 undecidable manual P 332 12.4764 124 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.2 0.0017241309999999998 0.1 AML other m 2022-09-21T00:58:36.54
IV.NRCA.HHE. ML:2.5 0.0034649999999999998 0.12 AML other m 2022-09-21T00:58:36.49
IV.NRCA.HNE. ML:2.4 0.003085 0.14 AML other m 2022-09-21T00:58:36.50
IV.NRCA.HHN. ML:2.1 0.00165 0.1 AML other m 2022-09-21T00:58:36.59
IV.MTRA.EHE. ML:2.2 0.001527196 0.4 AML other m 2022-09-21T00:58:40.28
IV.MTRA.HNN. ML:2.3 0.001645 0.34 AML other m 2022-09-21T00:58:38.90
IV.MTRA.EHN. ML:2.3 0.001665 1.8 AML other m 2022-09-21T00:58:38.90
IV.MTRA.HNE. ML:2.2 0.001505541 0.4096 AML other m 2022-09-21T00:58:40.28
IV.LNSS.HHE. ML:2.5 0.0026790250000000002 0.2 AML other m 2022-09-21T00:58:39.19
IV.LNSS.HNE. ML:2.5 0.0024699999999999995 0.2 AML other m 2022-09-21T00:58:39.19
IV.MMO1.EHN. ML:2.0 0.0007245382499999999 0.18 AML other m 2022-09-21T00:58:39.65
IV.MC2.EHN. ML:2.4 0.0017602674999999998 0.16 AML other m 2022-09-21T00:58:39.85
IV.LNSS.HHN. ML:2.4 0.002165 0.16 AML other m 2022-09-21T00:58:39.49
IV.LNSS.HNN. ML:2.4 0.00211 0.18 AML other m 2022-09-21T00:58:39.49
IV.MC2.EHE. ML:2.2 0.0013028635 0.18 AML other m 2022-09-21T00:58:39.81
IV.MMO1.EHE. ML:1.9 0.0006234999999999999 1.82 AML other m 2022-09-21T00:58:40.97
IV.RM33.HNN. ML:1.8 0.000380051 0.26 AML other m 2022-09-21T00:58:41.71
IV.RM33.EHN. ML:1.8 0.0003681661 0.16 AML other m 2022-09-21T00:58:41.72
IV.GAVE.EHN. ML:2.1 0.0007889117 0.26 AML other m 2022-09-21T00:58:41.63
IV.RM33.HNE. ML:1.8 0.00039674284999999997 0.1704 AML other m 2022-09-21T00:58:41.32
IV.RM33.EHE. ML:1.8 0.0004028766 0.16 AML other m 2022-09-21T00:58:41.32
IV.GAVE.EHE. ML:2.1 0.00080158325 0.24 AML other m 2022-09-21T00:58:41.05
IV.CESI.HHN. ML:2.0 0.0003505 0.22 AML other m 2022-09-21T00:58:44.66
IV.ARRO.EHE. ML:1.6 0.000166 0.86 AML other m 2022-09-21T00:58:45.73
IV.FDMO.HHN. ML:1.8 0.00029715755 0.14 AML other m 2022-09-21T00:58:45.86
IV.FDMO.HHE. ML:1.8 0.00023562785 0.16 AML other m 2022-09-21T00:58:47.49
IV.CESI.HHE. ML:1.7 0.00017809615 0.14 AML other m 2022-09-21T00:58:46.98
IV.MML1.EHN. ML:1.9 0.0002465 0.14 AML other m 2022-09-21T00:58:46.83
IV.MML1.EHE. ML:1.6 0.00012938894 0.14 AML other m 2022-09-21T00:58:48.41
IV.CESX.HHN. ML:1.7 0.0001315 0.18 AML other m 2022-09-21T00:58:49.55
IV.CESX.HHE. ML:1.8 0.00015 0.18 AML other m 2022-09-21T00:58:49.46
IV.ASSB.HHE. ML:2.0 0.000223 0.18 AML other m 2022-09-21T00:58:50.63
IV.OFFI.HHE. ML:2.1 0.0003505 0.3 AML other m 2022-09-21T00:58:50.91
IV.ASSB.HHN. ML:2.0 0.00023400000000000002 0.22 AML other m 2022-09-21T00:58:50.81
IV.SNTG.HHE. ML:1.6 0.0000743 1.88 AML other m 2022-09-21T00:58:51.97
IV.SNTG.HHN. ML:1.5 0.00006745000000000001 0.68 AML other m 2022-09-21T00:58:51.64
IV.FIAM.HHN. ML:1.6 0.000090669905 0.38 AML other m 2022-09-21T00:58:49.73
IV.EL6.EHE. ML:1.9 0.000151 0.12 AML other m 2022-09-21T00:58:53.79
IV.ATCC.EHN. ML:1.8 0.00011780780000000001 0.22 AML other m 2022-09-21T00:58:54.17
IV.ATCC.EHE. ML:1.8 0.00011691555000000001 0.14 AML other m 2022-09-21T00:58:54.53
IV.EL6.EHN. ML:1.9 0.0001366486 0.12 AML other m 2022-09-21T00:58:54.56
IV.CING.HHN. ML:1.8 0.00010165 0.1 AML other m 2022-09-21T00:58:55.34
IV.FOSV.EHN. ML:1.5 0.00005665000000000001 0.36 AML other m 2022-09-21T00:58:55.66
IV.CING.HHE. ML:1.7 0.00007374216 0.1 AML other m 2022-09-21T00:58:55.74
IV.SSFR.HHN. ML:1.9 0.0001043 0.18 AML other m 2022-09-21T00:58:59.17
IV.SSFR.HHE. ML:1.9 0.00011119999999999999 1.36 AML other m 2022-09-21T00:59:00.82
IV.MMO1.HNN. ML:2.8 0.0051760535000000005 0.5408 AML other m 2022-09-21T00:58:39.73
IV.GAVE.HNE. ML:2.1 0.0008548432 0.1504 AML other m 2022-09-21T00:58:41.65
IV.GAVE.HNN. ML:1.6 0.00025153390000000006 0.24 AML other m 2022-09-21T00:58:41.06
IV.TERO.HNE. ML:1.7 0.000190749475 0.1496 AML other m 2022-09-21T00:58:45.35
IV.TERO.HNN. ML:1.7 0.00021691224999999996 0.0696 AML other m 2022-09-21T00:58:43.88
IV.TERO.HHN. ML:2.1 0.00048128055 0.42 AML other m 2022-09-21T00:58:44.00
IV.CESI.HNN. ML:2.0 0.00033712675 0.22 AML other m 2022-09-21T00:58:44.77
IV.MML1.HNE. ML:1.7 0.000153758015 0.1504 AML other m 2022-09-21T00:58:48.41
IV.CING.HNN. ML:3.5 0.005528729999999999 0.86 AML other m 2022-09-21T00:58:55.37
IV.SSFR.HNE. ML:2.0 0.00013084875000000002 0.2208 AML other m 2022-09-21T00:59:00.92
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