Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 22-01-2017 and time 04:13:46 (Italy) in region 8 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 22-01-2017 03:13:46 (UTC)
  • 22-01-2017 04:13:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 13.1740 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 11 1178 6802
Cascia PG 13 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 17 523 13962
Preci PG 19 724 14686
Acquasanta Terme AP 20 2916 17602
Poggiodomo PG 20 117 17719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
92 Km W of Chieti (51815 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 2017-01-22
03:13:46		 42.7443 13.1737 11 2019-07-19
13:20:21		 Bollettino Sismico Italiano INGV 43196601
Reviewed
Rev100 		ML 2.0 2017-01-22
03:13:46		 42.7417 13.1697 11 2017-01-22
03:23:02		 Sala Sismica INGV-Roma 39551251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-22 03:13:46 ± 0.05
Latitude 42.7443 ± 0.0027
Longitude 13.1737 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43196601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 45
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) 0.56567
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 43196601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-04-05 09:36:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 39551251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-22 03:23:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2017-01-22T03:14:07.20 0.6 undecidable manual S 148 62.7927 50 0.94 34
IV.TOLF.HHZ. 2017-01-22T03:14:07.13 3.0 undecidable manual P 0.01 0
IV.SNTG.HHZ. 2017-01-22T03:14:06.00 0.6 undecidable manual S 342 59.6958 50 0.56 40
IV.MOMA.HHZ. 2017-01-22T03:14:03.70 0.6 undecidable manual S 278 49.617 50 0.96 35
IV.T1220.EHZ. 2017-01-22T03:14:01.10 0.6 undecidable manual S 350 41.1255 50 0.61 41
IV.GIGS.HHZ. 2017-01-22T03:14:01.20 0.6 undecidable manual S 135 45.9207 50 -0.55 41
IV.GUMA.HHZ. 2017-01-22T03:14:00.10 0.6 undecidable manual S 20 37.629 50 0.54 42
IV.T1222.EHZ. 2017-01-22T03:13:59.86 3.0 undecidable manual S -0.04 0
IV.ARRO.EHZ. 2017-01-22T03:13:59.60 0.6 undecidable manual S 241 38.0286 50 -0.04 47
IV.CESI.HHZ. 2017-01-22T03:13:59.10 0.6 undecidable manual S 323 36.2415 50 -0.07 47
IV.T1247.HHZ. 2017-01-22T03:13:59.30 0.6 undecidable manual S 163 35.1426 50 0.43 44
IV.FDMO.HHZ. 2017-01-22T03:13:58.40 0.6 undecidable manual S 348 33.1446 50 0.05 48
IV.FAGN.HHZ. 2017-01-22T03:13:58.47 1.0 undecidable manual P 148 62.7927 50 0.38 21
IV.SNTG.HHZ. 2017-01-22T03:13:57.48 0.6 undecidable manual P 342 59.6958 50 -0.13 45
IV.CAMP.HHZ. 2017-01-22T03:13:57.00 0.6 undecidable manual S 140 30.0477 50 -0.53 43
IV.MOMA.HHZ. 2017-01-22T03:13:56.19 0.6 undecidable manual P 278 49.617 50 0.14 45
IV.T1215.EHZ. 2017-01-22T03:13:56.10 0.6 undecidable manual S 285 25.6521 50 -0.25 46
IV.OFFI.HHZ. 2017-01-22T03:13:56.32 1.0 undecidable manual P 63 46.7199 50 0.71 19
IV.FEMA.HNE. 2017-01-22T03:13:56.00 0.6 undecidable manual S 337 26.1516 50 -0.49 44
IV.RM33.EHZ. 2017-01-22T03:13:56.20 0.6 undecidable manual S 173 26.3514 50 -0.33 45
IV.T1217.EHZ. 2017-01-22T03:13:54.70 0.6 undecidable manual S 260 20.0688 118 -0.07 48
IV.MC2.EHZ. 2017-01-22T03:13:54.10 0.6 undecidable manual S 4 18.5703 119 -0.21 47
IV.ARRO.EHZ. 2017-01-22T03:13:54.20 0.6 undecidable manual P 241 38.0286 50 -0.06 47
IV.LNSS.HHZ. 2017-01-22T03:13:54.40 0.6 undecidable manual S 215 19.0698 119 -0.07 49
IV.T1220.EHZ. 2017-01-22T03:13:54.66 0.6 undecidable manual P 350 41.1255 50 -0.09 47
IV.T1222.EHZ. 2017-01-22T03:13:54.38 3.0 positive manual P -0.05 0
IV.GIGS.HHZ. 2017-01-22T03:13:54.90 0.6 undecidable manual P 135 45.9207 50 -0.58 41
IV.T1216.EHZ. 2017-01-22T03:13:54.70 0.6 undecidable manual S 322 20.5683 117 -0.21 47
IV.GUMA.HHZ. 2017-01-22T03:13:54.38 0.6 undecidable manual P 20 37.629 50 0.17 46
IV.CESI.HHZ. 2017-01-22T03:13:53.86 0.3 undecidable manual P 323 36.2415 50 -0.13 70
IV.T1247.HHZ. 2017-01-22T03:13:53.70 0.6 undecidable manual P 163 35.1426 50 -0.12 47
IV.T1299.EHZ. 2017-01-22T03:13:53.40 0.6 undecidable manual S 144 15.0738 125 0.11 48
IV.FDMO.HHZ. 2017-01-22T03:13:53.32 0.6 undecidable manual P 348 33.1446 50 -0.2 46
IV.CAMP.HHZ. 2017-01-22T03:13:52.73 0.6 undecidable manual P 140 30.0477 50 -0.31 45
IV.FEMA.HNE. 2017-01-22T03:13:52.10 0.6 undecidable manual P 337 26.1516 50 -0.34 45
IV.T1218.EHZ. 2017-01-22T03:13:52.00 0.3 undecidable manual S 210 9.4794 138 0.17 72
IV.RM33.EHZ. 2017-01-22T03:13:52.30 0.3 undecidable manual P 173 26.3514 50 -0.16 71
IV.T1215.EHZ. 2017-01-22T03:13:52.22 0.3 undecidable manual P 285 25.6521 50 -0.14 71
IV.T1212.EHZ. 2017-01-22T03:13:52.00 0.3 undecidable manual S 274 10.5783 135 -0.07 74
IV.T1217.EHZ. 2017-01-22T03:13:51.45 0.3 undecidable manual P 260 20.0688 118 0 74
IV.MC2.EHZ. 2017-01-22T03:13:51.09 0.6 undecidable manual P 4 18.5703 119 -0.09 48
IV.T1202.EHZ. 2017-01-22T03:13:51.10 0.1 undecidable manual S 137 6.1938 150 -0.03 100
IV.LNSS.HHZ. 2017-01-22T03:13:51.37 0.6 undecidable manual P 215 19.0698 119 0.09 48
IV.T1216.EHZ. 2017-01-22T03:13:51.30 0.3 undecidable manual P 322 20.5683 117 -0.23 70
IV.T1212.EHZ. 2017-01-22T03:13:50.04 0.6 positive manual P 274 10.5783 135 0.15 48
IV.T1299.EHZ. 2017-01-22T03:13:50.78 0.6 undecidable manual P 144 15.0738 125 0.19 48
IV.NRCA.HNZ. 2017-01-22T03:13:49.94 3.0 undecidable manual P 10.9779 -0.03 0
IV.T1202.EHZ. 2017-01-22T03:13:49.51 0.1 negative manual P 137 6.1938 150 0.16 97
IV.T1218.EHZ. 2017-01-22T03:13:49.97 0.3 positive manual P 210 9.4794 138 0.22 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.4 0.00010899999999999999 0.56 AML other m 2017-01-22T03:13:57.63
IV.CAMP.HHE. ML:1.9 0.00034750000000000004 0.2 AML other m 2017-01-22T03:13:57.32
IV.CESI.HHE. ML:1.7 0.000192 0.28 AML other m 2017-01-22T03:13:59.88
IV.CESI.HHN. ML:1.8 0.00027649999999999994 1.74 AML other m 2017-01-22T03:13:59.91
IV.FAGN.HHE. ML:1.8 0.0001365 0.3 AML other m 2017-01-22T03:14:09.83
IV.FAGN.HHN. ML:1.8 0.00011344999999999999 0.5 AML other m 2017-01-22T03:14:10.32
IV.FDMO.HHN. ML:1.4 0.00011899999999999999 0.3 AML other m 2017-01-22T03:13:58.72
IV.FDMO.HHE. ML:1.5 0.0001255 0.24 AML other m 2017-01-22T03:13:59.66
IV.GUMA.HHE. ML:2.2 0.000632 0.44 AML other m 2017-01-22T03:14:01.58
IV.GUMA.HNN. ML:2.2 0.00067 0.42 AML other m 2017-01-22T03:14:02.48
IV.GUMA.HHN. ML:2.1 0.00047250000000000005 0.42 AML other m 2017-01-22T03:14:00.46
IV.GUMA.HNE. ML:2.2 0.0006385000000000001 0.34 AML other m 2017-01-22T03:14:01.61
IV.LNSS.HHE. ML:2.4 0.001895 0.64 AML other m 2017-01-22T03:13:55.02
IV.LNSS.HHN. ML:2.5 0.002395 1.34 AML other m 2017-01-22T03:13:55.95
IV.MOMA.HHE. ML:1.8 0.000186 0.56 AML other m 2017-01-22T03:14:05.50
IV.MOMA.HHN. ML:1.8 0.000186 1.12 AML other m 2017-01-22T03:14:05.28
IV.NRCA.HNN. ML:2.6 0.004985000000000001 1.86 AML other m 2017-01-22T03:13:51.00
IV.NRCA.HNE. ML:2.7 0.00624 0.16 AML other m 2017-01-22T03:13:52.10
IV.RM33.EHN. ML:1.8 0.0003165 0.26 AML other m 2017-01-22T03:13:57.23
IV.RM33.HNE. ML:1.9 0.00046199999999999995 1.02 AML other m 2017-01-22T03:13:56.16
IV.RM33.HNN. ML:1.8 0.0003235 0.86 AML other m 2017-01-22T03:13:57.22
IV.RM33.EHE. ML:1.9 0.00045499999999999995 0.74 AML other m 2017-01-22T03:13:57.53
IV.SAMA.HHN. ML:2.9 0.0006025000000000001 0.52 AML other m 2017-01-22T03:14:09.53
IV.SAMA.HHE. ML:2.8 0.00049 0.32 AML other m 2017-01-22T03:14:10.54
IV.T1202.EHN. ML:3.3 0.0322 0.4 AML other m 2017-01-22T03:13:51.45
IV.T1202.EHE. ML:3.0 0.0135 0.12 AML other m 2017-01-22T03:13:51.73
IV.T1212.HNE. ML:1.8 0.000883 0.4 AML other m 2017-01-22T03:13:52.34
IV.T1212.EHE. ML:1.8 0.000882 0.38 AML other m 2017-01-22T03:13:52.34
IV.T1212.HNN. ML:1.8 0.0007989999999999999 0.22 AML other m 2017-01-22T03:13:52.43
IV.T1212.EHN. ML:1.8 0.000803 0.18 AML other m 2017-01-22T03:13:52.24
IV.T1215.HNN. ML:1.6 0.00022049999999999997 0.92 AML other m 2017-01-22T03:13:56.40
IV.T1215.HNE. ML:1.7 0.00028349999999999995 0.24 AML other m 2017-01-22T03:13:56.42
IV.T1216.EHE. ML:1.8 0.000443 0.48 AML other m 2017-01-22T03:13:59.42
IV.T1216.EHN. ML:1.8 0.0005064999999999999 0.74 AML other m 2017-01-22T03:13:56.06
IV.T1217.EHE. ML:1.7 0.000378 1.04 AML other m 2017-01-22T03:13:56.69
IV.T1217.HNN. ML:2.0 0.0008365 1.14 AML other m 2017-01-22T03:13:55.33
IV.T1217.EHN. ML:2.1 0.000855 1.14 AML other m 2017-01-22T03:13:55.90
IV.T1217.HNE. ML:1.8 0.00041400000000000003 1.84 AML other m 2017-01-22T03:13:55.00
IV.T1218.HNN. ML:2.7 0.006445 0.18 AML other m 2017-01-22T03:13:52.25
IV.T1218.EHN. ML:2.7 0.006555 0.16 AML other m 2017-01-22T03:13:52.25
IV.T1218.HNE. ML:2.6 0.005295 0.12 AML other m 2017-01-22T03:13:52.13
IV.T1218.EHE. ML:2.6 0.005115000000000001 0.14 AML other m 2017-01-22T03:13:52.13
IV.T1220.HNE. ML:2.1 0.000443 0.32 AML other m 2017-01-22T03:14:04.07
IV.T1220.EHN. ML:2.0 0.000376 0.24 AML other m 2017-01-22T03:14:04.81
IV.T1220.HNN. ML:2.1 0.00038250000000000003 1.6 AML other m 2017-01-22T03:14:03.94
IV.T1220.EHE. ML:2.1 0.0004535 0.32 AML other m 2017-01-22T03:14:04.07
IV.T1247.HHN. ML:2.0 0.00035350000000000003 0.12 AML other m 2017-01-22T03:14:00.52
IV.T1247.HHE. ML:1.9 0.0003025 0.86 AML other m 2017-01-22T03:14:02.52
IV.T1299.EHN. ML:1.8 0.0005529999999999999 0.26 AML other m 2017-01-22T03:13:53.65
IV.T1299.HNN. ML:1.8 0.0005800000000000001 0.26 AML other m 2017-01-22T03:13:53.65
IV.T1299.HNE. ML:1.8 0.0005785 0.36 AML other m 2017-01-22T03:13:53.82
IV.T1299.EHE. ML:1.7 0.0005340000000000001 0.36 AML other m 2017-01-22T03:13:53.82
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