Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 21-10-2022 and time 07:48:10 (UTC) in region 5 km NW Arquata del Tronto (AP)

A magnitude ML 1.9 earthquake occured in region: 5 km NW Arquata del Tronto (AP), on

  • 21-10-2022 07:48:10 (UTC)
  • 21-10-2022 09:48:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.2500 at 9 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
Arquata del Tronto AP 5 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 11 667 2368
Norcia PG 13 4957 7325
Montemonaco AP 13 604 7929
Castelsantangelo sul Nera MC 13 281 8210
Acquasanta Terme AP 13 2916 11126
Montefortino FM 18 1178 12304
Ussita MC 19 444 12748
Amatrice RI 19 2657 15405
Preci PG 19 724 16129
Roccafluvione AP 20 2010 18139
Visso MC 20 1107 19246

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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 1.9 2022-10-21
07:48:10		 42.7973 13.2498 9 2024-03-01
15:28:07		 Bollettino Sismico Italiano INGV 112339351
Reviewed
Rev100 		ML 1.8 2022-10-21
07:48:10		 42.7953 13.2512 9 2022-10-21
07:57:55		 Sala Sismica INGV-Roma 111029261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-21 07:48:10 ± 0.06
Latitude 42.7973 ± 0.0027
Longitude 13.2498 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112339351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49732
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 112339351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-29 15:18:54

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 111029261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-21 07:57:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHZ. 2022-10-21T07:49:59.93 3.0 undecidable manual Sg 8.64 0
IV.CET2.HHZ. 2022-10-21T07:49:58.43 3.0 undecidable manual Sn 3.05 0
GU.MGRO.HHZ. 2022-10-21T07:49:30.88 3.0 undecidable manual Pg 17.860001 0
GU.GRAM.HHZ. 2022-10-21T07:49:30.77 3.0 undecidable manual Sn -0.51 0
IV.ACER.HHZ. 2022-10-21T07:49:29.34 3.0 undecidable manual Sn -1.94 0
GU.GSCL.HHZ. 2022-10-21T07:49:28.34 3.0 undecidable manual Sg 6.37 0
GU.EQUI.HHZ. 2022-10-21T07:49:28.11 3.0 undecidable manual Sn 2.6 0
ST.CARE.HNZ. 2022-10-21T07:49:24.82 3.0 undecidable manual Pg 12.23 0
IV.FNVD.HHZ. 2022-10-21T07:49:15.95 3.0 undecidable manual Sg 3.98 0
IV.FNVD.HHZ. 2022-10-21T07:48:49.07 3.0 negative manual Pg 4.27 0
IV.FRON.EHZ. 2022-10-21T07:48:40.02 3.0 undecidable manual S -0.32 0
IV.ARVD.HHZ. 2022-10-21T07:48:37.79 3.0 undecidable manual S -0.38 0
IV.SRES.HHZ. 2022-10-21T07:48:34.46 3.0 undecidable manual S -1.04 0
IV.FOSV.EHZ. 2022-10-21T07:48:33.48 3.0 undecidable manual S 0.17 0
IV.CING.HHZ. 2022-10-21T07:48:32.65 3.0 undecidable manual S -0.92 0
IV.EL6.EHZ. 2022-10-21T07:48:31.34 3.0 undecidable manual S -0.76 0
IV.PIEI.HHZ. 2022-10-21T07:48:29.17 3.0 positive manual P 0.7 0
IV.INTR.HHZ. 2022-10-21T07:48:28.10 3.0 undecidable manual P -0.2 0
IV.FIAM.HHZ. 2022-10-21T07:48:27.96 3.0 undecidable manual S -0.13 0
IV.GIGS.HHZ. 2022-10-21T07:48:26.04 0.6 undecidable manual S 145 46.4202 50 -0.07 47
IV.T0110.HHZ. 2022-10-21T07:48:24.77 3.0 positive manual P 0.72 0
IV.SAP2.EHE. 2022-10-21T07:48:24.15 1.0 undecidable manual S 20 35.3424 50 1 18
IV.MML1.EHZ. 2022-10-21T07:48:24.99 0.3 undecidable manual S 327 41.7249 50 0.14 70
IV.CESI.HHZ. 2022-10-21T07:48:23.54 0.3 undecidable manual S 309 36.2415 50 0.13 70
IV.CAMP.HHZ. 2022-10-21T07:48:22.15 0.6 undecidable manual S 156 31.8459 50 -0.06 48
IV.ATCC.EHZ. 2022-10-21T07:48:22.95 3.0 undecidable manual P 0.62 0
IV.GUMA.HHZ. 2022-10-21T07:48:22.11 3.0 undecidable manual S 13 30.2475 106 0.41 0
IV.CSP1.EHZ. 2022-10-21T07:48:22.35 0.3 undecidable manual S 354 32.8449 50 -0.14 71
IV.GAVE.EHZ. 2022-10-21T07:48:22.68 0.3 undecidable manual S 248 31.2465 106 0.65 62
IV.RM33.EHZ. 2022-10-21T07:48:22.87 0.3 undecidable manual S 185 32.1456 50 0.57 64
IV.CING.HHZ. 2022-10-21T07:48:22.96 3.0 negative manual P -0.27 0
IV.FDMO.HHZ. 2022-10-21T07:48:21.36 0.3 undecidable manual S 334 29.6481 107 -0.13 71
IT.MTCL.HGZ. 2022-10-21T07:48:21.44 0.3 undecidable manual S 317 29.8479 107 -0.12 71
IV.MF5.EHZ. 2022-10-21T07:48:21.07 0.3 undecidable manual S 39 27.1506 108 0.4 68
IV.EL6.EHZ. 2022-10-21T07:48:21.74 3.0 positive manual P -0.66 0
IV.ASSB.HHZ. 2022-10-21T07:48:20.88 0.3 undecidable manual P 300 55.2003 50 -0.1 68
IV.FEMA.HNZ. 2022-10-21T07:48:20.24 0.6 undecidable manual S 318 24.4533 110 0.45 45
IV.LNSS.HHZ. 2022-10-21T07:48:20.63 0.3 undecidable manual S 218 27.5502 108 -0.17 71
IV.GIGS.HHZ. 2022-10-21T07:48:19.08 0.3 undecidable manual P 145 46.4202 50 -0.54 63
IV.MNTT.EHE. 2022-10-21T07:48:19.56 0.3 undecidable manual P 44 40.626 50 0.83 57
IV.ARRO.EHZ. 2022-10-21T07:48:19.70 0.6 undecidable manual P 239 46.3203 50 0.09 46
IV.OFFI.HHZ. 2022-10-21T07:48:19.11 0.3 undecidable manual P 67 38.628 50 0.69 60
IV.MML1.EHZ. 2022-10-21T07:48:18.74 0.1 undecidable manual P 327 41.7249 50 -0.16 92
IV.SAP2.EHE. 2022-10-21T07:48:18.61 0.3 undecidable manual P 20 35.3424 50 0.69 60
IV.CESI.HHZ. 2022-10-21T07:48:17.84 0.1 undecidable manual P 309 36.2415 50 -0.22 92
IV.RM33.EHZ. 2022-10-21T07:48:17.17 0.3 undecidable manual P 185 32.1456 50 -0.25 69
IV.PF6.EHN. 2022-10-21T07:48:17.81 0.3 undecidable manual P 353 38.0286 50 -0.52 64
IV.TERO.HHZ. 2022-10-21T07:48:17.55 0.1 undecidable manual P 124 34.743 50 -0.28 91
IV.CAMP.HHZ. 2022-10-21T07:48:17.02 0.1 undecidable manual P 156 31.8459 50 -0.35 90
IV.GUMA.HHZ. 2022-10-21T07:48:17.13 1.0 undecidable manual P 13 30.2475 106 0.05 24
IV.CSP1.EHZ. 2022-10-21T07:48:17.12 0.1 positive manual P 354 32.8449 50 -0.42 89
IV.MTRA.EHZ. 2022-10-21T07:48:16.49 0.3 undecidable manual S 111 12.7761 125 0.34 70
IV.ASCOL.HNZ. 2022-10-21T07:48:16.70 1.0 undecidable manual P 78 28.2495 107 0 24
IV.MF5.EHZ. 2022-10-21T07:48:16.83 0.1 undecidable manual P 39 27.1506 108 0.34 91
IV.MMO1.HNZ. 2022-10-21T07:48:16.10 0.3 undecidable manual S 29 12.876 124 -0.1 74
IV.NRCA.HHZ. 2022-10-21T07:48:16.27 0.6 undecidable manual S 290 11.7771 127 0.41 46
IV.FDMO.HHZ. 2022-10-21T07:48:16.66 0.1 undecidable manual P 334 29.6481 107 -0.3 92
IV.FEMA.HNZ. 2022-10-21T07:48:16.61 0.3 undecidable manual P 318 24.4533 110 0.63 63
IT.MTCL.HGZ. 2022-10-21T07:48:16.81 0.1 undecidable manual P 317 29.8479 107 -0.19 94
IV.MC2.EHZ. 2022-10-21T07:48:16.92 0.6 undecidable manual S 339 13.5753 123 0.53 45
IV.GAVE.EHZ. 2022-10-21T07:48:16.95 0.3 undecidable manual P 248 31.2465 106 -0.32 68
IV.LNSS.HHZ. 2022-10-21T07:48:16.68 0.3 undecidable manual P 218 27.5502 108 0.12 72
IV.SMA1.EHZ. 2022-10-21T07:48:15.11 0.1 undecidable manual P 159 19.7691 114 0 99
7F.SIB1.EHE. 2022-10-21T07:48:15.76 0.3 undecidable manual S 9 10.878 129 0.12 74
7F.SIB2.EHZ. 2022-10-21T07:48:15.55 0.3 undecidable manual S 23 11.2776 128 -0.19 73
7F.SIB3.EHE. 2022-10-21T07:48:14.57 0.3 undecidable manual S 11 8.7801 135 -0.51 68
IV.MC2.EHZ. 2022-10-21T07:48:14.00 0.1 positive manual P 339 13.5753 123 -0.01 100
IV.MTRA.EHZ. 2022-10-21T07:48:14.01 0.1 undecidable manual P 111 12.7761 125 0.13 98
7F.SIB2.EHZ. 2022-10-21T07:48:13.38 0.1 positive manual P 23 11.2776 128 -0.25 95
7F.SIB1.EHE. 2022-10-21T07:48:13.44 0.1 positive manual P 9 10.878 129 -0.14 98
IV.MMO1.HNZ. 2022-10-21T07:48:13.78 0.1 undecidable manual P 29 12.876 124 -0.12 98
IV.NRCA.HHZ. 2022-10-21T07:48:13.81 0.1 undecidable manual P 290 11.7771 127 0.1 98
7F.SIB3.EHE. 2022-10-21T07:48:12.91 0.1 positive manual P 11 8.7801 135 -0.35 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.4 0.0030241365 0.1216 AML other m 2022-10-21T07:48:16.80
IV.NRCA.HNN. ML:2.4 0.0027272245 0.128 AML other m 2022-10-21T07:48:16.80
IV.NRCA.HHE. ML:2.3 0.002292452 0.1984 AML other m 2022-10-21T07:48:16.94
IV.MTRA.EHE. ML:2.0 0.0011302505000000001 0.256 AML other m 2022-10-21T07:48:16.84
IV.MTRA.HNE. ML:2.0 0.0011549165000000001 0.256 AML other m 2022-10-21T07:48:16.83
IV.MTRA.HNN. ML:2.1 0.0015673146 0.3072 AML other m 2022-10-21T07:48:17.50
IV.MTRA.EHN. ML:2.1 0.0014796889 0.3008 AML other m 2022-10-21T07:48:17.51
IV.NRCA.HNE. ML:2.3 0.002219194 0.1856 AML other m 2022-10-21T07:48:16.94
IV.MC2.EHE. ML:2.2 0.00185 0.2 AML other m 2022-10-21T07:48:18.77
IV.MC2.EHN. ML:2.4 0.0025885024999999996 0.16 AML other m 2022-10-21T07:48:18.87
IV.FDMO.HHN. ML:1.8 0.00029300975 0.2176 AML other m 2022-10-21T07:48:22.58
IV.LNSS.HHN. ML:2.0 0.000526 1.62 AML other m 2022-10-21T07:48:21.85
IV.MF5.EHN. ML:0.0 0.0004594975 0.2432 AML other m 2022-10-21T07:48:22.41
IV.LNSS.HHE. ML:1.9 0.0004329935499999999 0.1984 AML other m 2022-10-21T07:48:23.46
IV.CSP1.EHE. ML:2.1 0.0005422462 0.1408 AML other m 2022-10-21T07:48:23.24
IV.TERO.HNE. ML:2.0 0.00045153919999999995 0.16 AML other m 2022-10-21T07:48:23.39
IV.TERO.HHN. ML:1.9 0.00034187270000000003 0.1216 AML other m 2022-10-21T07:48:23.40
IV.CAMP.HHN. ML:1.6 0.00017999999999999998 0.38 AML other m 2022-10-21T07:48:23.84
IV.CSP1.EHN. ML:2.0 0.00040979125 0.16 AML other m 2022-10-21T07:48:24.64
IV.CESI.HHN. ML:1.9 0.00030886875000000005 0.16 AML other m 2022-10-21T07:48:24.30
IV.MF5.EHE. ML:0.0 0.0005261689 0.2432 AML other m 2022-10-21T07:48:22.59
IV.RM33.HNN. ML:1.6 0.0001588321 0 AML other m 2022-10-21T07:48:23.32
IV.RM33.EHN. ML:1.6 0.0001765289 0.2624 AML other m 2022-10-21T07:48:23.32
IV.GAVE.EHE. ML:1.9 0.0003655 0.34 AML other m 2022-10-21T07:48:24.85
IV.CESI.HHE. ML:1.6 0.00016002585 0.2368 AML other m 2022-10-21T07:48:26.44
IV.FDMO.HHE. ML:1.7 0.00023838865 0.16 AML other m 2022-10-21T07:48:21.97
IV.GUMA.HHE. ML:2.2 0.0007999499999999999 0.3008 AML other m 2022-10-21T07:48:23.72
IV.GUMA.HHN. ML:2.0 0.00053285275 0.2816 AML other m 2022-10-21T07:48:26.26
IV.RM33.HNE. ML:1.6 0.00019404895 0.2176 AML other m 2022-10-21T07:48:23.82
IV.GAVE.EHN. ML:1.8 0.00027777050000000005 0.2368 AML other m 2022-10-21T07:48:23.85
IV.MML1.EHN. ML:1.8 0.00020750000000000003 0.2 AML other m 2022-10-21T07:48:26.89
IV.OFFI.HHE. ML:2.2 0.0005780000000000001 0.42 AML other m 2022-10-21T07:48:28.00
IV.OFFI.HHN. ML:2.3 0.000745 0.34 AML other m 2022-10-21T07:48:28.48
IV.ARRO.EHE. ML:1.4 0.00007769820999999999 0.224 AML other m 2022-10-21T07:48:29.21
IV.CAMP.HHE. ML:1.4 0.00012391095 0.3392 AML other m 2022-10-21T07:48:22.53
IV.RM33.EHE. ML:1.6 0.0001787354 0.2368 AML other m 2022-10-21T07:48:24.21
IV.MML1.EHE. ML:1.6 0.00012355 0.3 AML other m 2022-10-21T07:48:30.59
IV.ASSB.HHE. ML:1.5 0.0000772 0.62 AML other m 2022-10-21T07:48:32.20
IV.ASSB.HHN. ML:1.5 0.000073829095 0.2048 AML other m 2022-10-21T07:48:30.63
IV.ARRO.EHN. ML:1.3 0.00006009802 0.2176 AML other m 2022-10-21T07:48:31.59
IV.EL6.EHE. ML:1.8 0.00011655825000000001 0.2176 AML other m 2022-10-21T07:48:35.77
IV.EL6.EHN. ML:2.0 0.00019 0.26 AML other m 2022-10-21T07:48:33.46
IV.CING.HHN. ML:1.8 0.00010899999999999999 0.12 AML other m 2022-10-21T07:48:33.73
IV.CING.HHE. ML:1.8 0.000104 0.24 AML other m 2022-10-21T07:48:35.14
IV.ATCC.EHE. ML:1.8 0.00012723020000000003 0.2944 AML other m 2022-10-21T07:48:34.94
IV.T0110.HHN. ML:2.0 0.0001505 0.36 AML other m 2022-10-21T07:48:39.72
IV.ATCC.EHN. ML:1.7 0.00008517893 0.32 AML other m 2022-10-21T07:48:33.75
IV.T0110.HHE. ML:1.9 0.00013000000000000002 1.24 AML other m 2022-10-21T07:48:43.30
IV.PIEI.HHE. ML:1.4 0.000026478985 0.1408 AML other m 2022-10-21T07:48:45.64
IV.PIEI.HHN. ML:1.2 0.000015139360000000002 0.2368 AML other m 2022-10-21T07:48:47.87
IV.LNSS.HNE. ML:1.9 0.0004101318 0.2112 AML other m 2022-10-21T07:48:23.57
IV.LNSS.HNN. ML:1.9 0.00043816330000000003 0.3904 AML other m 2022-10-21T07:48:22.04
IV.GAVE.HNN. ML:1.3 0.00009407771999999998 0.2112 AML other m 2022-10-21T07:48:24.47
IV.GAVE.HNE. ML:1.9 0.00036086555 0.3392 AML other m 2022-10-21T07:48:24.68
IV.GUMA.HNN. ML:2.1 0.0005761564 0.3008 AML other m 2022-10-21T07:48:23.76
IV.GUMA.HNE. ML:2.1 0.00058161165 0.2496 AML other m 2022-10-21T07:48:23.57
IV.TERO.HNN. ML:2.0 0.00045089545 0.2816 AML other m 2022-10-21T07:48:23.96
IV.TERO.HHE. ML:2.0 0.00045878305 0.16 AML other m 2022-10-21T07:48:23.38
IV.CESI.HNN. ML:1.9 0.0003156849 0.192 AML other m 2022-10-21T07:48:24.32
IV.CESI.HNE. ML:1.6 0.0001765736 0.2496 AML other m 2022-10-21T07:48:26.45
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