Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 18-12-2022 and time 23:19:02 (UTC) in region 4 km SE Accumoli (RI)

A magnitude ML 2.2 earthquake occured in region: 4 km SE Accumoli (RI), on

  • 18-12-2022 23:19:02 (UTC)
  • 19-12-2022 00:19:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6660, 13.2780 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
Amatrice RI 4 2657 2657
Accumoli RI 4 667 3324
Cittareale RI 11 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 14 542 5526
Acquasanta Terme AP 16 2916 8442
Montereale AQ 16 2581 11023
Capitignano AQ 16 665 11688
Cortino TE 20 656 12344
Valle Castellana TE 20 977 13321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
88 Km SE of Perugia (166134 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 2.2 2022-12-18
23:19:02		 42.6662 13.2783 9 2024-03-01
15:28:21		 Bollettino Sismico Italiano INGV 115871321
Reviewed
Rev100 		ML 2.2 2022-12-18
23:19:02		 42.6545 13.267 6 2022-12-18
23:24:48		 Sala Sismica INGV-Roma 112933101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-18 23:19:02 ± 0.07
Latitude 42.6662 ± 0.0036
Longitude 13.2783 ± 0.0061
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 115871321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
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) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.80130
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 115871321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-13 15:29:14

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 112933101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-18 23:24:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-12-18T23:19:26.50 0.6 undecidable manual S 349 74.9694 50 0.99 34
IV.T0110.HHZ. 2022-12-18T23:19:22.92 0.3 undecidable manual S 140 63.2922 50 0.52 63
IV.VCEL.EHZ. 2022-12-18T23:19:20.60 0.3 undecidable manual S 123 54.9006 50 0.43 65
IV.OFFI.HHZ. 2022-12-18T23:19:19.28 0.6 undecidable manual S 48 44.622 50 1.87 21
IV.SAP2.EHE. 2022-12-18T23:19:19.16 0.6 undecidable manual S 12 48.7179 50 0.64 41
IV.FAGN.HHZ. 2022-12-18T23:19:19.69 1.0 undecidable manual S 151 51.0156 50 0.58 21
IV.CESI.HHZ. 2022-12-18T23:19:18.40 0.6 undecidable manual S 321 48.3183 50 -0.01 48
IV.INTR.HHZ. 2022-12-18T23:19:17.74 0.3 undecidable manual P 145 88.9443 50 -0.26 63
IV.GUMA.HHZ. 2022-12-18T23:19:17.88 0.3 undecidable manual S 6 44.2224 50 0.57 64
IV.FDMO.HHZ. 2022-12-18T23:19:17.03 0.6 undecidable manual S 339 43.9227 50 -0.2 47
IV.FIAM.HHZ. 2022-12-18T23:19:17.60 0.6 undecidable manual S 197 46.1205 50 -0.21 46
IV.MF5.EHN. 2022-12-18T23:19:16.40 0.6 undecidable manual S 22 38.628 50 0.59 43
IV.ATCC.EHZ. 2022-12-18T23:19:16.38 0.6 undecidable manual P 318 77.4669 50 0.15 44
IV.EL6.EHZ. 2022-12-18T23:19:16.17 0.6 undecidable manual P 349 74.9694 50 0.33 43
IV.SRES.HHZ. 2022-12-18T23:19:16.59 0.3 undecidable manual P 233 78.8655 50 0.14 66
IV.GIGS.HHZ. 2022-12-18T23:19:13.61 0.6 undecidable manual S 134 33.744 50 -0.9 38
IV.T0110.HHZ. 2022-12-18T23:19:13.64 0.1 positive manual P 140 63.2922 50 -0.41 86
IV.ASCOL.EHN. 2022-12-18T23:19:13.51 0.6 undecidable manual S 51 32.6451 50 -0.7 41
IV.VCEL.EHZ. 2022-12-18T23:19:12.64 0.1 positive manual P 123 54.9006 50 -0.12 93
IV.MC2.EHZ. 2022-12-18T23:19:12.80 0.3 undecidable manual S 345 28.1496 108 -0.13 73
IV.CESX.HHZ. 2022-12-18T23:19:12.77 0.3 undecidable manual P 264 56.7987 50 -0.28 67
IV.FAGN.HHZ. 2022-12-18T23:19:12.00 0.3 undecidable manual P 151 51.0156 50 -0.15 70
IV.PF6.EHN. 2022-12-18T23:19:12.10 0.3 undecidable manual P 353 52.8027 50 -0.33 67
IV.SAP2.EHE. 2022-12-18T23:19:12.33 0.6 undecidable manual P 12 48.7179 50 0.52 43
IV.MNTT.EHZ. 2022-12-18T23:19:12.80 0.3 undecidable manual P 30 50.9157 50 0.65 61
IV.MNTP.HNZ. 2022-12-18T23:19:12.87 0.6 undecidable manual P 16 54.501 50 0.17 46
IV.TERO.HNZ. 2022-12-18T23:19:11.60 0.6 undecidable manual S 100 26.9508 109 -0.94 37
7F.SIB2.EHE. 2022-12-18T23:19:11.53 0.6 undecidable manual S 5 25.0527 110 -0.37 46
IV.GUMA.HHZ. 2022-12-18T23:19:11.16 0.1 positive manual P 6 44.2224 50 0.05 96
IV.NRCA.HHZ. 2022-12-18T23:19:11.18 0.6 undecidable manual S 324 22.8549 112 -0.03 50
IV.OFFI.HHZ. 2022-12-18T23:19:11.70 0.3 undecidable manual P 48 44.622 50 0.54 64
IV.FIAM.HHZ. 2022-12-18T23:19:11.08 0.1 positive manual P 197 46.1205 50 -0.32 90
IV.MMO1.EHZ. 2022-12-18T23:19:11.90 0.6 undecidable manual S 9 26.1516 109 -0.37 46
7F.SIB1.EHE. 2022-12-18T23:19:11.76 0.6 undecidable manual S 358 25.3524 110 -0.25 48
IV.CESI.HHZ. 2022-12-18T23:19:11.55 0.1 undecidable manual P 321 48.3183 50 -0.2 92
IV.CSP1.EHZ. 2022-12-18T23:19:11.35 0.1 negative manual P 353 47.619 50 -0.28 91
7F.SIB3.EHN. 2022-12-18T23:19:11.00 0.6 undecidable manual S 358 23.1546 112 -0.3 47
IV.LNSS.HHZ. 2022-12-18T23:19:10.80 0.6 undecidable manual S 250 20.6682 114 0.3 47
MN.AQU.HNN. 2022-12-18T23:19:10.03 0.6 undecidable manual P 163 36.1416 50 0.17 48
IV.MF5.EHN. 2022-12-18T23:19:10.40 0.1 positive manual P 22 38.628 50 0.15 95
IV.FDMO.HHZ. 2022-12-18T23:19:10.68 0.1 undecidable manual P 339 43.9227 50 -0.38 90
IV.CAMP.HHZ. 2022-12-18T23:19:09.70 0.6 undecidable manual S 144 17.9709 117 0.05 50
IV.ASCOL.EHN. 2022-12-18T23:19:08.85 0.1 positive manual P 51 32.6451 50 -0.47 90
IV.MC2.EHZ. 2022-12-18T23:19:08.49 0.1 undecidable manual P 345 28.1496 108 -0.09 98
7F.SIB1.EHE. 2022-12-18T23:19:08.00 0.1 negative manual P 358 25.3524 110 -0.05 99
IV.MMO1.EHZ. 2022-12-18T23:19:08.07 0.1 negative manual P 9 26.1516 109 -0.13 97
IV.MTRA.EHZ. 2022-12-18T23:19:08.41 0.6 undecidable manual S 44 13.875 124 -0.03 51
IV.GIGS.HHZ. 2022-12-18T23:19:08.91 0.1 positive manual P 134 33.744 50 -0.58 86
7F.SIB2.EHE. 2022-12-18T23:19:07.82 0.1 undecidable manual P 5 25.0527 110 -0.17 97
IV.TERO.HNZ. 2022-12-18T23:19:07.94 0.1 positive manual P 100 26.9508 109 -0.42 92
IV.SMA1.EHN. 2022-12-18T23:19:07.30 0.3 undecidable manual S 130 6.0939 147 0.81 62
IV.NRCA.HHZ. 2022-12-18T23:19:07.62 0.1 negative manual P 324 22.8549 112 0.03 100
7F.SIB3.EHN. 2022-12-18T23:19:07.50 0.1 undecidable manual P 358 23.1546 112 -0.14 98
IV.LNSS.HHZ. 2022-12-18T23:19:07.49 0.1 positive manual P 250 20.6682 114 0.32 95
IV.CAMP.HHZ. 2022-12-18T23:19:06.84 0.1 negative manual P 144 17.9709 117 0.16 98
IV.MTRA.EHZ. 2022-12-18T23:19:06.21 0.1 negative manual P 44 13.875 124 0.22 98
IV.SMA1.EHN. 2022-12-18T23:19:05.53 0.1 negative manual P 130 6.0939 147 0.67 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.5 0.00351 0.62 AML other m 2022-12-18T23:19:08.48
IV.MTRA.EHE. ML:2.5 0.00361 0.6 AML other m 2022-12-18T23:19:08.49
IV.MTRA.EHN. ML:2.6 0.003965 0.52 AML other m 2022-12-18T23:19:08.84
IV.MTRA.HNN. ML:2.6 0.003995 0.52 AML other m 2022-12-18T23:19:08.84
IV.LNSS.HHE. ML:2.4 0.0016549999999999998 0.16 AML other m 2022-12-18T23:19:11.28
IV.LNSS.HNE. ML:2.3 0.0015899999999999998 0.18 AML other m 2022-12-18T23:19:11.29
IV.NRCA.HHN. ML:2.1 0.0009265 0.12 AML other m 2022-12-18T23:19:11.80
IV.NRCA.HNN. ML:2.1 0.0008494999999999999 0.12 AML other m 2022-12-18T23:19:11.80
IV.LNSS.HHN. ML:2.3 0.001385 1.26 AML other m 2022-12-18T23:19:11.17
IV.LNSS.HNN. ML:2.2 0.00123 1.28 AML other m 2022-12-18T23:19:11.17
IV.TERO.HNN. ML:2.6 0.0021799999999999996 0.08 AML other m 2022-12-18T23:19:11.90
IV.TERO.HHN. ML:2.7 0.00271 0.1 AML other m 2022-12-18T23:19:11.86
IV.NRCA.HNE. ML:2.2 0.0011949999999999999 0.14 AML other m 2022-12-18T23:19:11.83
IV.NRCA.HHE. ML:2.3 0.001305 0.14 AML other m 2022-12-18T23:19:11.83
IV.TERO.HHE. ML:2.7 0.0029950000000000003 0.18 AML other m 2022-12-18T23:19:11.90
IV.TERO.HNE. ML:2.7 0.0028799999999999997 0.12 AML other m 2022-12-18T23:19:11.91
IV.MMO1.EHN. ML:2.4 0.0014399999999999999 0.28 AML other m 2022-12-18T23:19:12.36
IV.GIGS.HHN. ML:1.8 0.0002455 0.1 AML other m 2022-12-18T23:19:13.73
IV.GIGS.HHE. ML:1.9 0.000363 1.38 AML other m 2022-12-18T23:19:14.79
IV.MMO1.EHE. ML:2.1 0.000712 0.6 AML other m 2022-12-18T23:19:14.54
IV.FDMO.HHN. ML:1.6 0.00011525 1.04 AML other m 2022-12-18T23:19:17.35
IV.FIAM.HHN. ML:2.0 0.0002715 0.86 AML other m 2022-12-18T23:19:17.98
IV.FIAM.HHE. ML:2.0 0.0003145 1.34 AML other m 2022-12-18T23:19:18.96
IV.GUMA.HNN. ML:2.4 0.00083 0.54 AML other m 2022-12-18T23:19:18.35
IV.GUMA.HHN. ML:2.4 0.0007555000000000001 0.4 AML other m 2022-12-18T23:19:18.42
IV.GUMA.HNE. ML:2.4 0.0008385 0.36 AML other m 2022-12-18T23:19:18.46
IV.GUMA.HHE. ML:2.4 0.0008595 0.32 AML other m 2022-12-18T23:19:18.32
IV.CESI.HHE. ML:1.6 0.0001215 0.56 AML other m 2022-12-18T23:19:18.69
IV.CSP1.EHE. ML:2.1 0.000343 0.34 AML other m 2022-12-18T23:19:19.49
IV.OFFI.HHN. ML:2.5 0.0010500000000000002 0.3 AML other m 2022-12-18T23:19:20.17
IV.CESI.HHN. ML:1.8 0.0001865 0.22 AML other m 2022-12-18T23:19:20.62
IV.CSP1.EHN. ML:2.2 0.00039349999999999997 0.3 AML other m 2022-12-18T23:19:20.77
IV.OFFI.HHE. ML:2.7 0.0015899999999999998 1.56 AML other m 2022-12-18T23:19:21.01
IV.MNTT.EHN. ML:2.6 0.0009695 0.36 AML other m 2022-12-18T23:19:21.70
IV.VCEL.EHE. ML:2.4 0.000568 0.34 AML other m 2022-12-18T23:19:22.43
IV.VCEL.EHN. ML:2.4 0.0006590000000000001 0.86 AML other m 2022-12-18T23:19:22.64
IV.CESX.HHN. ML:2.0 0.0002035 0.32 AML other m 2022-12-18T23:19:22.98
IV.CESX.HHE. ML:2.0 0.0002045 0.26 AML other m 2022-12-18T23:19:23.19
IV.FAGN.HHE. ML:2.2 0.0003765 0.36 AML other m 2022-12-18T23:19:24.55
IV.MNTT.EHE. ML:2.3 0.0005809999999999999 0.38 AML other m 2022-12-18T23:19:24.68
IV.FDMO.HHE. ML:1.5 0.00009384999999999999 0.54 AML other m 2022-12-18T23:19:24.98
IV.FAGN.HHN. ML:2.0 0.0002585 1.32 AML other m 2022-12-18T23:19:25.89
IV.T0110.HHN. ML:2.2 0.0002945 0.54 AML other m 2022-12-18T23:19:26.96
IV.T0110.HHE. ML:2.2 0.000279 0.28 AML other m 2022-12-18T23:19:27.21
IV.ATCC.EHN. ML:1.7 0.0000705 0.42 AML other m 2022-12-18T23:19:29.24
IV.SRES.HHN. ML:1.6 0.0000543 0.24 AML other m 2022-12-18T23:19:29.48
IV.ATCC.EHE. ML:1.8 0.00010195 0.38 AML other m 2022-12-18T23:19:33.78
IV.SRES.HHE. ML:1.7 0.0000659 0.54 AML other m 2022-12-18T23:19:33.64
IV.LPEL.HHN. ML:2.0 0.00009445 0.48 AML other m 2022-12-18T23:19:34.22
IV.LPEL.HHE. ML:1.9 0.0000847 0.48 AML other m 2022-12-18T23:19:34.33
IV.INTR.HHN. ML:2.1 0.000133 1.46 AML other m 2022-12-18T23:19:36.26
IV.INTR.HHE. ML:1.8 0.00007415 1.34 AML other m 2022-12-18T23:19:36.74
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
Waveforms Seismic signals in miniseed + resp format Download