Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 06-02-2022 and time 18:50:49 (Italy) in region 3 km SE Accumoli (RI)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Accumoli (RI), on

  • 06-02-2022 17:50:49 (UTC)
  • 06-02-2022 18:50:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6830, 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
Accumoli RI 3 667 667
Amatrice RI 6 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 12 482 4984
Acquasanta Terme AP 15 2916 7900
Campotosto AQ 16 542 8442
Montereale AQ 18 2581 11023
Capitignano AQ 18 665 11688
Montegallo AP 18 523 12211
Valle Castellana TE 19 977 13188
Norcia PG 19 4957 18145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 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 1.8 2022-02-06
17:50:49		 42.6827 13.2777 9 2022-07-08
12:33:51		 Bollettino Sismico Italiano INGV 104073561
Reviewed
Rev100 		ML 2.0 2022-02-06
17:50:49		 42.6823 13.2868 10 2022-02-06
18:02:10		 Sala Sismica INGV-Roma 100672141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-06 17:50:49 ± 0.05
Latitude 42.6827 ± 0.0027
Longitude 13.2777 ± 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 104073561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
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 48
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58366
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 104073561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-02 13:05:56

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 100672141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-06 18:02:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2022-02-06T17:51:12.38 3.0 undecidable manual P -0.42 0
IV.VCEL.EHN. 2022-02-06T17:51:07.30 0.6 undecidable manual S 125 55.9995 50 0.29 45
IV.FIAM.HNN. 2022-02-06T17:51:04.20 0.6 undecidable manual S 196 47.8188 50 -0.63 41
IV.CESI.HHE. 2022-02-06T17:51:04.60 0.3 undecidable manual S 320 46.9197 50 0.02 72
IV.OFFI.HHZ. 2022-02-06T17:51:04.98 0.6 undecidable manual S 50 43.4232 50 1.33 30
IV.GUMA.HHZ. 2022-02-06T17:51:03.70 0.6 undecidable manual S 6 42.4242 50 0.32 46
IV.CSP1.EHZ. 2022-02-06T17:51:03.59 0.6 undecidable manual S 353 45.8208 50 -0.69 40
IV.ARRO.EHZ. 2022-02-06T17:51:03.80 1.0 undecidable manual S 255 43.3233 50 0.17 23
IV.MF5.EHZ. 2022-02-06T17:51:02.40 0.3 undecidable manual S 24 36.9297 50 0.48 67
IV.FDMO.HHN. 2022-02-06T17:51:02.90 0.6 undecidable manual S 339 42.2244 50 -0.43 44
IV.MOMA.HHZ. 2022-02-06T17:51:00.01 0.3 undecidable manual P 283 59.1963 50 0.06 70
IV.ASSB.HHZ. 2022-02-06T17:51:00.77 0.3 undecidable manual P 309 64.2912 50 0.04 69
IV.T0110.HHZ. 2022-02-06T17:51:00.51 0.6 undecidable manual P 141 64.7907 50 -0.3 44
IV.GAVE.EHZ. 2022-02-06T17:51:00.30 0.6 undecidable manual S 272 31.2465 50 -0.11 48
IV.MML1.EHZ. 2022-02-06T17:50:59.02 0.1 undecidable manual P 333 53.9016 50 -0.11 93
IV.VCEL.EHN. 2022-02-06T17:50:59.57 0.3 undecidable manual P 125 55.9995 50 0.11 70
IV.TERO.HNZ. 2022-02-06T17:50:58.09 0.6 undecidable manual S 104 27.4503 108 -1.08 35
IV.MC2.EHZ. 2022-02-06T17:50:58.60 0.6 undecidable manual S 344 26.3514 109 -0.22 48
IV.MNTT.EHZ. 2022-02-06T17:50:58.89 0.3 undecidable manual P 31 49.4172 50 0.45 65
IV.MMO1.EHZ. 2022-02-06T17:50:58.00 0.3 undecidable manual S 9 24.3534 110 -0.16 73
7F.SIB2.EHZ. 2022-02-06T17:50:57.50 0.3 undecidable manual S 5 23.2545 111 -0.29 71
IV.CSP1.EHZ. 2022-02-06T17:50:57.68 0.3 undecidable manual P 353 45.8208 50 -0.2 69
IV.ARRO.EHZ. 2022-02-06T17:50:57.24 0.1 undecidable manual P 255 43.3233 50 -0.27 92
IV.CESI.HHE. 2022-02-06T17:50:57.90 0.6 undecidable manual P 320 46.9197 50 -0.16 47
IV.LNSS.HHZ. 2022-02-06T17:50:57.50 0.3 undecidable manual S 246 21.2676 113 0.32 71
IV.GUMA.HHZ. 2022-02-06T17:50:57.56 0.3 undecidable manual P 6 42.4242 50 0.19 70
IV.FDMO.HHN. 2022-02-06T17:50:57.33 0.6 undecidable manual P 339 42.2244 50 0 49
IV.FIAM.HNN. 2022-02-06T17:50:57.82 0.1 undecidable manual P 196 47.8188 50 -0.38 89
IV.NRCA.HHZ. 2022-02-06T17:50:57.30 0.1 undecidable manual S 322 21.3675 113 0.1 99
IV.OFFI.HHZ. 2022-02-06T17:50:57.96 0.1 undecidable manual P 50 43.4232 50 0.44 88
7F.SIB3.EHN. 2022-02-06T17:50:56.70 0.6 undecidable manual S 358 21.3675 113 -0.49 45
IV.CAMP.HHE. 2022-02-06T17:50:56.10 0.6 undecidable manual S 147 19.4694 115 -0.5 45
IV.MF5.EHZ. 2022-02-06T17:50:56.65 0.1 undecidable manual P 24 36.9297 50 0.12 96
IV.RM33.EHZ. 2022-02-06T17:50:56.80 0.3 undecidable manual S 195 19.9689 114 0.05 75
IV.GAVE.EHZ. 2022-02-06T17:50:55.46 0.1 undecidable manual P 272 31.2465 50 -0.19 95
IV.MTRA.EHZ. 2022-02-06T17:50:54.10 0.3 undecidable manual S 50 12.6762 125 -0.45 70
IV.LNSS.HHZ. 2022-02-06T17:50:54.00 0.1 undecidable manual P 246 21.2676 113 0.22 96
IV.MC2.EHZ. 2022-02-06T17:50:54.77 0.1 undecidable manual P 344 26.3514 109 0.03 99
IV.TERO.HNZ. 2022-02-06T17:50:54.32 0.1 undecidable manual P 104 27.4503 108 -0.61 86
IV.MMO1.EHZ. 2022-02-06T17:50:54.34 0.1 undecidable manual P 9 24.3534 110 -0.01 100
7F.SIB3.EHN. 2022-02-06T17:50:54.06 0.3 undecidable manual P 358 21.3675 113 0.27 72
7F.SIB2.EHZ. 2022-02-06T17:50:54.08 0.3 undecidable manual P 5 23.2545 111 -0.06 74
IV.NRCA.HHZ. 2022-02-06T17:50:53.92 0.1 undecidable manual P 322 21.3675 113 0.12 98
IV.SMA1.EHZ. 2022-02-06T17:50:53.60 0.1 undecidable manual S 141 7.4814 140 0.39 95
IV.RM33.EHZ. 2022-02-06T17:50:53.65 0.1 undecidable manual P 195 19.9689 114 0.11 99
IV.CAMP.HHE. 2022-02-06T17:50:53.47 0.3 undecidable manual P 147 19.4694 115 0.01 76
IV.MTRA.EHZ. 2022-02-06T17:50:52.47 0.1 undecidable manual P 50 12.6762 125 0.2 98
IV.SMA1.EHZ. 2022-02-06T17:50:51.98 0.1 undecidable manual P 141 7.4814 140 0.49 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.0 0.003572647 0.128 AML other m 2022-02-06T17:50:53.77
IV.SMA1.EHE. ML:0.0 0.0024698525 0.0896 AML other m 2022-02-06T17:50:53.77
IV.MTRA.HNE. ML:0.0 0.00156356135 0.1664 AML other m 2022-02-06T17:50:54.98
IV.MTRA.HNN. ML:0.0 0.0017391855 0.1664 AML other m 2022-02-06T17:50:55.01
IV.MTRA.EHN. ML:0.0 0.001711981 0.1792 AML other m 2022-02-06T17:50:55.01
IV.MTRA.EHE. ML:0.0 0.00158693705 0.1792 AML other m 2022-02-06T17:50:54.98
IV.RM33.HNN. ML:0.0 0.00043317545000000004 0.1664 AML other m 2022-02-06T17:50:58.11
IV.RM33.EHE. ML:0.0 0.00055575395 0.2304 AML other m 2022-02-06T17:50:57.55
IV.RM33.HNE. ML:0.0 0.0005490886000000001 0.2304 AML other m 2022-02-06T17:50:57.55
IV.LNSS.HHE. ML:0.0 0.0009017635500000001 0.128 AML other m 2022-02-06T17:50:57.93
IV.RM33.EHN. ML:0.0 0.0004340473 0.1664 AML other m 2022-02-06T17:50:58.03
IV.LNSS.HHN. ML:0.0 0.00053371945 0.32 AML other m 2022-02-06T17:50:57.88
IV.NRCA.HHE. ML:0.0 0.00042840524999999995 0.1152 AML other m 2022-02-06T17:50:58.07
IV.TERO.HHN. ML:0.0 0.0004561654 0.0768 AML other m 2022-02-06T17:50:58.34
IV.TERO.HNN. ML:0.0 0.00041683675 0.0768 AML other m 2022-02-06T17:50:58.34
IV.TERO.HNE. ML:0.0 0.00044854415000000004 0.2304 AML other m 2022-02-06T17:50:58.33
IV.MMO1.EHE. ML:0.0 0.0003568963 0.3456 AML other m 2022-02-06T17:50:59.32
IV.MMO1.EHN. ML:0.0 0.0005769516 0.3072 AML other m 2022-02-06T17:50:58.44
IV.TERO.HHE. ML:0.0 0.0003294266 0.1152 AML other m 2022-02-06T17:50:59.45
IV.NRCA.HHN. ML:0.0 0.00024778995 0.1152 AML other m 2022-02-06T17:50:59.17
IV.MC2.EHN. ML:0.0 0.00038229975000000005 0.2816 AML other m 2022-02-06T17:50:59.67
IV.GAVE.EHN. ML:0.0 0.00045220510000000005 0.1536 AML other m 2022-02-06T17:51:00.73
IV.GAVE.HNE. ML:0.0 0.00046068834999999996 0.1536 AML other m 2022-02-06T17:51:01.10
IV.GAVE.EHE. ML:0.0 0.0004380709 0.1792 AML other m 2022-02-06T17:51:01.02
IV.MC2.EHE. ML:0.0 0.00032290735 0.3584 AML other m 2022-02-06T17:51:02.52
IV.MF5.EHN. ML:0.0 0.0003044431 0.3328 AML other m 2022-02-06T17:51:02.85
IV.MF5.EHE. ML:0.0 0.000249 0.26 AML other m 2022-02-06T17:51:03.33
IV.GUMA.HHE. ML:0.0 0.0004530018 0.2816 AML other m 2022-02-06T17:51:04.45
IV.GUMA.HNN. ML:0.0 0.0005405647499999999 0.5248 AML other m 2022-02-06T17:51:04.45
IV.GUMA.HHN. ML:0.0 0.000432 0.48 AML other m 2022-02-06T17:51:04.48
IV.GUMA.HNE. ML:0.0 0.00026191465000000003 0.4352 AML other m 2022-02-06T17:51:04.58
IV.ARRO.EHN. ML:0.0 0.00005693363 0.2176 AML other m 2022-02-06T17:51:04.92
IV.CSP1.EHE. ML:0.0 0.00015418905 0.4096 AML other m 2022-02-06T17:51:09.16
IV.CSP1.EHN. ML:0.0 0.00014983115 0.2688 AML other m 2022-02-06T17:51:07.06
IV.FDMO.HHN. ML:1.1 0.00004470843 0.2176 AML other m 2022-02-06T17:51:06.05
IV.FDMO.HHE. ML:0.0 0.000043434195 0.2176 AML other m 2022-02-06T17:51:06.30
IV.ARRO.EHE. ML:0.0 0.000064864985 0.1536 AML other m 2022-02-06T17:51:06.37
IV.OFFI.HHN. ML:0.0 0.00028568720000000003 0.256 AML other m 2022-02-06T17:51:06.84
IV.OFFI.HHE. ML:0.0 0.0003419697 0.256 AML other m 2022-02-06T17:51:07.14
IV.MOMA.HHE. ML:0.0 0.000072724125 0.1792 AML other m 2022-02-06T17:51:09.70
IV.MNTT.EHE. ML:0.0 0.00022758265 0.2432 AML other m 2022-02-06T17:51:07.80
IV.MNTT.EHN. ML:0.0 0.0002607238 0.3328 AML other m 2022-02-06T17:51:10.79
IV.T0110.HHE. ML:0.0 0.000070756335 0.3968 AML other m 2022-02-06T17:51:10.31
IV.ASSB.HHN. ML:0.0 0.000042910614999999996 0.2048 AML other m 2022-02-06T17:51:11.03
IV.T0110.HHN. ML:0.0 0.000068942545 0.3072 AML other m 2022-02-06T17:51:11.08
IV.MOMA.HHN. ML:0.0 0.000072552505 0.2304 AML other m 2022-02-06T17:51:11.32
IV.GAVE.HNN. ML:1.7 0.000232 0.96 AML other m 2022-02-06T17:51:12.18
IV.ASSB.HHE. ML:0.0 0.00005017587 0.32 AML other m 2022-02-06T17:51:09.97
IV.NRCA.HNN. ML:1.5 0.00022849629999999998 0.0768 AML other m 2022-02-06T17:50:58.04
IV.NRCA.HNE. ML:1.8 0.0003958869 0.1152 AML other m 2022-02-06T17:50:58.07
IV.LNSS.HNE. ML:2.0 0.00079330445 0.1408 AML other m 2022-02-06T17:50:57.93
IV.LNSS.HNN. ML:1.8 0.00052640495 0.3328 AML other m 2022-02-06T17:50:57.88
IV.MML1.EHN. ML:1.2 0.000039491429999999995 0.2048 AML other m 2022-02-06T17:51:08.24
IV.MML1.EHE. ML:1.0 0.000023062985 0.2176 AML other m 2022-02-06T17:51:09.41
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