Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 13-08-2022 and time 20:21:00 (UTC) in region 6 km E Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 6 km E Accumoli (RI), on

  • 13-08-2022 20:21:00 (UTC)
  • 13-08-2022 22:21:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7070, 13.3230 at 10 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 6 667 667
Arquata del Tronto AP 8 1178 1845
Amatrice RI 9 2657 4502
Acquasanta Terme AP 10 2916 7418
Valle Castellana TE 15 977 8395
Montegallo AP 15 523 8918
Cittareale RI 17 482 9400
Rocca Santa Maria TE 17 537 9937
Campotosto AQ 17 542 10479
Cortino TE 18 656 11135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
58 Km E of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Tivoli (56533 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 1.7 2022-08-13
20:21:00		 42.7068 13.3232 10 2023-01-31
19:03:34		 Bollettino Sismico Italiano INGV 108928221
Reviewed
Rev100 		ML 1.9 2022-08-13
20:21:00		 42.7122 13.3317 14 2022-08-13
20:28:48		 Sala Sismica INGV-Roma 108499651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-13 20:21:00 ± 0.04
Latitude 42.7068 ± 0.0018
Longitude 13.3232 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108928221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81658
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 108928221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-14 23:28:11

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 108499651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-13 20:28:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2022-08-13T20:21:29.18 3.0 undecidable manual Pn 1.47 0
IV.EL6.EHZ. 2022-08-13T20:21:23.21 0.6 undecidable manual S 345 71.373 50 0.77 37
IV.ASSB.HHZ. 2022-08-13T20:21:21.13 0.3 undecidable manual S 305 65.5899 50 0.23 66
IV.SNTG.HHZ. 2022-08-13T20:21:21.71 0.6 undecidable manual S 333 68.2761 50 0.09 45
IV.SAMA.EHZ. 2022-08-13T20:21:20.22 3.0 undecidable manual P -0.09 0
IV.MOMA.HHZ. 2022-08-13T20:21:20.67 0.3 undecidable manual S 280 62.2932 50 0.66 59
IV.CESX.HHZ. 2022-08-13T20:21:20.03 0.3 undecidable manual S 260 61.0944 50 0.34 65
IV.FIAM.HHZ. 2022-08-13T20:21:17.31 0.1 undecidable manual S 199 51.5151 50 0.17 92
IV.MML1.EHZ. 2022-08-13T20:21:17.80 0.1 undecidable manual S 328 53.4021 50 0.15 92
IV.INTR.HHZ. 2022-08-13T20:21:16.35 0.3 undecidable manual P 148 90.6426 50 0.12 65
IV.CESI.HHZ. 2022-08-13T20:21:16.03 0.1 undecidable manual S 314 47.4192 50 -0.03 95
IV.CSP1.EHZ. 2022-08-13T20:21:15.05 0.3 undecidable manual S 347 43.8228 50 -0.03 72
IV.ARRO.EHZ. 2022-08-13T20:21:15.98 0.1 undecidable manual S 253 47.619 50 -0.13 93
IV.GUMA.HHZ. 2022-08-13T20:21:14.52 0.1 undecidable manual S 1 39.5271 50 0.59 85
IV.ATCC.EHZ. 2022-08-13T20:21:14.05 0.1 undecidable manual P 314 76.7676 50 -0.04 90
IV.FDMO.HHZ. 2022-08-13T20:21:14.25 0.1 undecidable manual S 332 41.3253 50 -0.17 94
IV.EL6.EHZ. 2022-08-13T20:21:13.00 0.3 undecidable manual P 345 71.373 50 -0.26 65
IV.CING.HHZ. 2022-08-13T20:21:13.61 0.3 undecidable manual P 352 74.8695 50 -0.19 66
IV.GIGS.HHZ. 2022-08-13T20:21:12.33 0.6 undecidable manual S 144 34.743 50 -0.34 46
IV.T0110.HHZ. 2022-08-13T20:21:12.33 0.3 undecidable manual P 145 64.6908 50 0.1 68
IV.SNTG.HHZ. 2022-08-13T20:21:12.51 0.3 undecidable manual P 333 68.2761 50 -0.27 65
IV.ASSB.HHZ. 2022-08-13T20:21:12.13 0.1 undecidable manual P 305 65.5899 50 -0.24 88
IV.MOMA.HHZ. 2022-08-13T20:21:11.75 0.3 undecidable manual P 280 62.2932 50 -0.11 68
IV.CESX.HHZ. 2022-08-13T20:21:11.42 0.3 undecidable manual P 260 61.0944 50 -0.25 67
IV.ASCOL.HNE. 2022-08-13T20:21:10.22 0.6 undecidable manual S 53 26.9508 50 -0.38 46
IV.VCEL.EHZ. 2022-08-13T20:21:10.80 0.1 undecidable manual P 129 54.7008 50 0.11 92
IV.MNTP.HNZ. 2022-08-13T20:21:10.24 0.3 undecidable manual P 14 49.2174 50 0.4 66
IV.MC2.EHZ. 2022-08-13T20:21:10.15 0.6 undecidable manual S 334 25.1526 50 0.03 50
IV.MML1.EHZ. 2022-08-13T20:21:10.32 0.1 undecidable manual P 328 53.4021 50 -0.17 92
IV.CESI.HHZ. 2022-08-13T20:21:09.38 0.1 undecidable manual P 314 47.4192 50 -0.19 92
IV.MNTT.EHZ. 2022-08-13T20:21:09.84 0.3 undecidable manual P 29 45.2214 50 0.62 62
IV.SAP2.EHE. 2022-08-13T20:21:09.11 0.1 undecidable manual P 8 43.7229 50 0.12 94
IV.TERO.HHZ. 2022-08-13T20:21:09.74 0.1 undecidable manual S 112 24.753 112 -0.23 95
IV.ARRO.EHZ. 2022-08-13T20:21:09.42 0.3 undecidable manual P 253 47.619 50 -0.18 69
7F.SIB1.EHN. 2022-08-13T20:21:09.01 0.6 undecidable manual S 348 21.2676 115 0.13 49
IV.RM33.EHZ. 2022-08-13T20:21:09.83 0.1 undecidable manual S 202 23.6541 113 0.19 96
IV.FIAM.HHZ. 2022-08-13T20:21:09.99 0.1 undecidable manual P 199 51.5151 50 -0.2 91
IV.PF6.EHN. 2022-08-13T20:21:09.43 0.1 undecidable manual P 348 48.9177 50 -0.37 88
IV.CAMP.HHZ. 2022-08-13T20:21:08.45 0.6 undecidable manual S 160 20.2686 116 -0.1 49
IV.MMO1.EHZ. 2022-08-13T20:21:08.69 0.6 undecidable manual S 1 21.3675 115 -0.22 48
IV.FDMO.HHZ. 2022-08-13T20:21:08.26 0.1 undecidable manual P 332 41.3253 50 -0.37 90
7F.SIB3.EHZ. 2022-08-13T20:21:08.05 0.1 undecidable manual S 347 19.1697 118 -0.17 97
IV.GUMA.HHZ. 2022-08-13T20:21:08.36 0.1 undecidable manual P 1 39.5271 50 0.01 97
7F.SIB2.EHZ. 2022-08-13T20:21:08.44 0.6 undecidable manual S 356 20.4684 116 -0.2 48
IV.NRCA.HHZ. 2022-08-13T20:21:08.93 0.1 undecidable manual S 310 22.0668 115 -0.2 96
IV.CSP1.EHZ. 2022-08-13T20:21:08.74 0.1 undecidable manual P 347 43.8228 50 -0.26 91
IV.GIGS.HHZ. 2022-08-13T20:21:07.34 0.1 undecidable manual P 144 34.743 50 -0.27 93
IV.FEMA.HNE. 2022-08-13T20:21:07.98 0.1 undecidable manual P 322 36.0417 50 0.17 95
IV.MF5.EHZ. 2022-08-13T20:21:07.60 0.1 undecidable manual P 20 33.0447 50 0.24 94
IV.MC2.EHZ. 2022-08-13T20:21:06.04 0.1 undecidable manual P 334 25.1526 50 -0.1 98
IV.ASCOL.HNE. 2022-08-13T20:21:06.20 0.1 undecidable manual P 53 26.9508 50 -0.21 95
IV.RM33.EHZ. 2022-08-13T20:21:06.00 0.1 positive manual P 202 23.6541 113 0.14 97
7F.SIB2.EHZ. 2022-08-13T20:21:05.22 0.1 positive manual P 356 20.4684 116 -0.07 99
IV.NRCA.HHZ. 2022-08-13T20:21:05.51 0.1 negative manual P 310 22.0668 115 -0.06 99
IV.MTRA.EHZ. 2022-08-13T20:21:05.86 0.6 undecidable manual S 47 8.1807 141 0.65 44
IV.CAMP.HHZ. 2022-08-13T20:21:05.42 0.1 undecidable manual P 160 20.2686 116 0.19 97
IV.MMO1.EHZ. 2022-08-13T20:21:05.41 0.1 undecidable manual P 1 21.3675 115 -0.04 100
IV.TERO.HHZ. 2022-08-13T20:21:05.95 0.1 undecidable manual P 112 24.753 112 -0.11 98
7F.SIB3.EHZ. 2022-08-13T20:21:05.01 0.1 undecidable manual P 347 19.1697 118 -0.04 100
7F.SIB1.EHN. 2022-08-13T20:21:05.49 0.1 positive manual P 348 21.2676 115 0.06 99
IV.MTRA.EHZ. 2022-08-13T20:21:03.87 0.1 negative manual P 47 8.1807 141 0.56 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.1 0.001805 1.62 AML other m 2022-08-13T20:21:06.94
IV.MTRA.EHN. ML:2.1 0.00187 1.62 AML other m 2022-08-13T20:21:06.95
IV.MTRA.HNE. ML:2.2 0.0020549999999999995 0.34 AML other m 2022-08-13T20:21:06.62
IV.MTRA.EHE. ML:2.2 0.0021100000000000003 1.18 AML other m 2022-08-13T20:21:06.62
IV.CAMP.HHN. ML:1.5 0.0002475 1.7 AML other m 2022-08-13T20:21:08.92
IV.CAMP.HHE. ML:1.6 0.0002825 1.8 AML other m 2022-08-13T20:21:08.98
IV.NRCA.HHN. ML:2.2 0.0010265 0.14 AML other m 2022-08-13T20:21:09.17
IV.MMO1.EHN. ML:1.7 0.000341 0.5 AML other m 2022-08-13T20:21:09.15
IV.NRCA.HHE. ML:1.9 0.000526 0.3 AML other m 2022-08-13T20:21:09.30
IV.MMO1.EHE. ML:1.6 0.0003005 0.32 AML other m 2022-08-13T20:21:09.83
IV.RM33.EHN. ML:1.9 0.0005005 0.3 AML other m 2022-08-13T20:21:10.32
IV.RM33.HNN. ML:1.9 0.0005340000000000001 0.32 AML other m 2022-08-13T20:21:10.32
IV.RM33.HNE. ML:2.0 0.000665 0.68 AML other m 2022-08-13T20:21:10.54
IV.RM33.EHE. ML:2.0 0.0006405 0.18 AML other m 2022-08-13T20:21:10.54
IV.MC2.EHN. ML:2.2 0.000966 1.8 AML other m 2022-08-13T20:21:11.94
IV.MC2.EHE. ML:2.0 0.0005825 0.96 AML other m 2022-08-13T20:21:11.25
IV.GIGS.HHE. ML:1.2 0.00007145 0.24 AML other m 2022-08-13T20:21:12.69
IV.GIGS.HHN. ML:1.2 0.000060100000000000004 1.44 AML other m 2022-08-13T20:21:13.84
IV.FDMO.HHN. ML:1.9 0.00027 0.94 AML other m 2022-08-13T20:21:14.49
IV.FDMO.HHE. ML:1.6 0.0001305 1.08 AML other m 2022-08-13T20:21:14.56
IV.GUMA.HHN. ML:1.8 0.0002375 1.26 AML other m 2022-08-13T20:21:14.30
IV.CSP1.EHE. ML:1.8 0.000221 0.54 AML other m 2022-08-13T20:21:15.49
IV.CSP1.EHN. ML:2.0 0.000286 0.46 AML other m 2022-08-13T20:21:15.60
IV.CESI.HHE. ML:1.6 0.00010889999999999999 0.82 AML other m 2022-08-13T20:21:16.27
IV.ARRO.EHE. ML:1.4 0.00006994999999999999 0.16 AML other m 2022-08-13T20:21:16.51
IV.CESI.HHN. ML:1.8 0.00016249999999999997 0.6 AML other m 2022-08-13T20:21:16.30
IV.ARRO.EHN. ML:1.5 0.00009490000000000002 0.18 AML other m 2022-08-13T20:21:17.24
IV.FIAM.HHN. ML:1.3 0.00005045 0.34 AML other m 2022-08-13T20:21:17.69
IV.FIAM.HHE. ML:1.5 0.0000759 0.48 AML other m 2022-08-13T20:21:17.70
IV.MML1.EHE. ML:1.6 0.0000844 0.22 AML other m 2022-08-13T20:21:18.42
IV.MML1.EHN. ML:1.6 0.00009335 0.38 AML other m 2022-08-13T20:21:18.46
IV.VCEL.EHN. ML:1.7 0.00011999999999999999 0.86 AML other m 2022-08-13T20:21:20.49
IV.VCEL.EHE. ML:1.7 0.000124 0.9 AML other m 2022-08-13T20:21:20.36
IV.MOMA.HHN. ML:1.6 0.0000738 0.22 AML other m 2022-08-13T20:21:20.84
IV.MOMA.HHE. ML:1.8 0.00013350000000000002 1.82 AML other m 2022-08-13T20:21:21.99
IV.GUMA.HHE. ML:1.8 0.00020850000000000003 0.32 AML other m 2022-08-13T20:21:21.47
IV.CESX.HHN. ML:1.4 0.00005735 0.8 AML other m 2022-08-13T20:21:21.79
IV.CESX.HHE. ML:1.4 0.00005625 0.28 AML other m 2022-08-13T20:21:21.77
IV.ASSB.HHE. ML:1.4 0.0000463 0.62 AML other m 2022-08-13T20:21:22.38
IV.T0110.HHN. ML:1.8 0.00010605 0.24 AML other m 2022-08-13T20:21:23.25
IV.ASSB.HHN. ML:1.3 0.00003905 1.54 AML other m 2022-08-13T20:21:23.94
IV.T0110.HHE. ML:1.7 0.0001015 1.52 AML other m 2022-08-13T20:21:27.77
IV.INTR.HHN. ML:1.5 0.0000413 1.58 AML other m 2022-08-13T20:21:31.97
IV.INTR.HHE. ML:1.4 0.000029350000000000002 1.48 AML other m 2022-08-13T20:21:31.08
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