Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 14:51:38 (Italy) in region 4 km SE Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Amatrice (RI), on

  • 20-01-2017 13:51:38 (UTC)
  • 20-01-2017 14:51:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5930, 13.3080 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
Amatrice RI 5 2657 2657
Campotosto AQ 6 542 3199
Capitignano AQ 8 665 3864
Montereale AQ 9 2581 6445
Accumoli RI 12 667 7112
Cittareale RI 12 482 7594
Crognaleto TE 15 1297 8891
Barete AQ 16 737 9628
Cagnano Amiterno AQ 16 1369 10997
Borbona RI 17 617 11614
Cortino TE 17 656 12270
Pizzoli AQ 17 4326 16596
Posta RI 19 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
94 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 2.0 2017-01-20
13:51:38		 42.5927 13.308 10 2019-07-19
13:21:00		 Bollettino Sismico Italiano INGV 63210951
Reviewed
Rev100 		ML 2.0 2017-01-20
13:51:38		 42.5885 13.3032 11 2017-01-20
14:14:34		 Sala Sismica INGV-Roma 39397981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 13:51:38 ± 0.07
Latitude 42.5927 ± 0.0036
Longitude 13.3080 ± 0.0061
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 63210951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 527
Semi-minor axis of confidence ellipse (meter) 387
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
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) 86
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.78691
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 41
Type of magnitude ML
Reference to an origin 63210951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-19 17:37:56

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 39397981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 14:14:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2017-01-20T13:51:54.24 0.6 undecidable manual P 354 87.3459 50 0.6 38
IV.EL6.EHZ. 2017-01-20T13:51:53.38 0.6 undecidable manual P 348 83.4498 50 0.34 41
IV.T1215.EHZ. 2017-01-20T13:51:52.61 0.6 undecidable manual S 303 42.7239 50 -0.08 47
IV.MOMA.HHZ. 2017-01-20T13:51:50.22 0.6 undecidable manual P 292 64.5909 50 0.09 45
IV.T1217.EHZ. 2017-01-20T13:51:50.38 0.6 undecidable manual S 293 33.4443 50 0.15 47
IV.NRCA.HNZ. 2017-01-20T13:51:49.29 0.1 undecidable manual S 329 31.0467 50 -0.29 91
IV.CESI.HHZ. 2017-01-20T13:51:49.15 0.3 undecidable manual P 324 56.2992 50 0.29 65
IV.T1220.EHZ. 2017-01-20T13:51:49.44 0.3 undecidable manual P 343 60.0954 50 0 69
IV.GUMA.HHZ. 2017-01-20T13:51:48.76 0.3 undecidable manual P 2 52.2033 50 0.54 62
IV.OFFI.HHZ. 2017-01-20T13:51:48.54 0.3 undecidable manual P 39 48.9177 50 0.83 55
IV.GIGS.HHZ. 2017-01-20T13:51:47.79 0.1 undecidable manual S 125 26.6511 50 -0.61 84
IV.LNSS.HHZ. 2017-01-20T13:51:46.88 0.3 undecidable manual S 273 21.867 115 -0.16 71
IV.T1215.EHZ. 2017-01-20T13:51:46.52 0.1 undecidable manual P 303 42.7239 50 -0.24 90
IV.ARRO.EHZ. 2017-01-20T13:51:46.80 0.3 undecidable manual P 268 44.3223 50 -0.21 68
IV.T1217.EHZ. 2017-01-20T13:51:45.14 0.1 undecidable manual P 293 33.4443 50 -0.19 92
IV.T1202.EHZ. 2017-01-20T13:51:45.01 0.6 undecidable manual S 331 14.0748 126 0.33 46
IV.T1247.HHZ. 2017-01-20T13:51:45.58 0.1 undecidable manual S 183 16.7721 121 0.11 97
IV.T1218.EHZ. 2017-01-20T13:51:45.52 0.1 undecidable manual S 299 17.9709 120 -0.29 93
IV.NRCA.HNZ. 2017-01-20T13:51:44.91 0.1 undecidable manual P 329 31.0467 50 -0.05 96
IV.RM33.HNZ. 2017-01-20T13:51:44.39 0.6 undecidable manual S 219 11.9769 130 0.26 47
IV.GIGS.HHZ. 2017-01-20T13:51:44.07 0.1 undecidable manual P 125 26.6511 50 -0.21 93
IV.LNSS.HHZ. 2017-01-20T13:51:43.56 0.1 positive manual P 273 21.867 115 0.07 97
IV.T1247.HHZ. 2017-01-20T13:51:42.74 0.1 undecidable manual P 183 16.7721 121 0.15 96
IV.T1218.EHZ. 2017-01-20T13:51:42.78 0.1 positive manual P 299 17.9709 120 0 99
IV.SMA1.EHZ. 2017-01-20T13:51:42.33 0.6 undecidable manual S 28 4.7952 155 -0.24 48
IV.RM33.HNZ. 2017-01-20T13:51:42.08 0.1 undecidable manual P 219 11.9769 130 0.26 95
IV.T1204.EHZ. 2017-01-20T13:51:42.99 0.3 undecidable manual S 4 9.2796 138 -0.46 68
IV.T1202.EHZ. 2017-01-20T13:51:42.44 0.1 undecidable manual P 331 14.0748 126 0.31 93
IV.T1299.HNZ. 2017-01-20T13:51:42.26 0.1 undecidable manual S 336 5.0949 154 -0.35 94
IV.T1204.EHZ. 2017-01-20T13:51:41.46 0.1 undecidable manual P 4 9.2796 138 0.04 100
IV.T1299.HNZ. 2017-01-20T13:51:41.03 0.1 negative manual P 336 5.0949 154 0.09 99
IV.SMA1.EHZ. 2017-01-20T13:51:40.97 0.1 undecidable manual P 28 4.7952 155 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.HNN. ML:2.5 0.00492 0.32 AML other m 2017-01-20T13:51:42.44
IV.T1299.EHN. ML:2.5 0.005039999999999999 0.34 AML other m 2017-01-20T13:51:42.44
IV.T1299.EHE. ML:2.3 0.00317 0.34 AML other m 2017-01-20T13:51:42.52
IV.T1299.HNE. ML:2.3 0.003165 0.32 AML other m 2017-01-20T13:51:42.52
IV.RM33.HNN. ML:2.3 0.00206 0.84 AML other m 2017-01-20T13:51:44.59
IV.RM33.EHN. ML:2.2 0.0019649999999999997 0.84 AML other m 2017-01-20T13:51:44.59
IV.RM33.HNE. ML:2.3 0.002175 0.7 AML other m 2017-01-20T13:51:44.75
IV.RM33.EHE. ML:2.3 0.002245 0.12 AML other m 2017-01-20T13:51:44.75
IV.T1218.HNN. ML:2.1 0.0010229999999999998 0.3 AML other m 2017-01-20T13:51:45.89
IV.T1218.EHN. ML:2.1 0.001015 0.3 AML other m 2017-01-20T13:51:45.89
IV.T1218.HNE. ML:1.9 0.0006045 0.88 AML other m 2017-01-20T13:51:45.79
IV.T1218.EHE. ML:1.7 0.00044950000000000003 0.88 AML other m 2017-01-20T13:51:45.79
IV.T1247.HHN. ML:2.6 0.0031100000000000004 1.82 AML other m 2017-01-20T13:51:45.93
IV.T1202.EHE. ML:2.5 0.003115 0.2 AML other m 2017-01-20T13:51:46.19
IV.T1202.EHN. ML:2.4 0.0025099999999999996 0.14 AML other m 2017-01-20T13:51:46.56
IV.LNSS.HHE. ML:2.0 0.000697 0.42 AML other m 2017-01-20T13:51:47.37
IV.GIGS.HHN. ML:1.2 0.00009475 0.34 AML other m 2017-01-20T13:51:48.45
IV.T1247.HHE. ML:2.3 0.00181 0.52 AML other m 2017-01-20T13:51:48.95
IV.GIGS.HHE. ML:1.3 0.00009934999999999999 0.2 AML other m 2017-01-20T13:51:49.14
IV.LNSS.HHN. ML:2.0 0.0006839999999999999 0.6 AML other m 2017-01-20T13:51:49.78
IV.T1217.HNE. ML:1.9 0.00034 0.74 AML other m 2017-01-20T13:51:51.07
IV.T1217.HNN. ML:1.8 0.00030199999999999997 1.58 AML other m 2017-01-20T13:51:51.12
IV.T1217.EHN. ML:1.9 0.00031800000000000003 1.58 AML other m 2017-01-20T13:51:51.91
IV.T1217.EHE. ML:1.8 0.0003005 0.16 AML other m 2017-01-20T13:51:51.07
IV.T1215.EHN. ML:1.8 0.000184 1.26 AML other m 2017-01-20T13:51:52.88
IV.T1215.HNN. ML:1.7 0.00016049999999999997 1.26 AML other m 2017-01-20T13:51:52.88
IV.T1215.EHE. ML:1.8 0.000182 0.44 AML other m 2017-01-20T13:51:53.16
IV.T1215.HNE. ML:1.8 0.000201 0.44 AML other m 2017-01-20T13:51:53.38
IV.ARRO.EHE. ML:1.7 0.00014199999999999998 1.44 AML other m 2017-01-20T13:51:54.81
IV.ARRO.EHN. ML:1.7 0.0001645 0.32 AML other m 2017-01-20T13:51:54.57
IV.GUMA.HHN. ML:2.2 0.000382 1.4 AML other m 2017-01-20T13:51:57.16
IV.GUMA.HHE. ML:2.2 0.000377 0.9 AML other m 2017-01-20T13:51:57.64
IV.CESI.HHN. ML:1.8 0.00014050000000000003 0.32 AML other m 2017-01-20T13:51:58.18
IV.GUMA.HNN. ML:2.2 0.0004275 0.78 AML other m 2017-01-20T13:51:59.53
IV.CESI.HHE. ML:1.6 0.00008015 0.56 AML other m 2017-01-20T13:51:59.29
IV.T1220.EHE. ML:2.1 0.0002405 0.64 AML other m 2017-01-20T13:51:59.53
IV.T1220.HNE. ML:2.1 0.0002535 0.64 AML other m 2017-01-20T13:51:59.85
IV.T1220.HNN. ML:2.2 0.0003179999999999999 0.58 AML other m 2017-01-20T13:52:00.33
IV.T1220.EHN. ML:2.2 0.0003215 0.6 AML other m 2017-01-20T13:52:00.63
IV.SRES.HHE. ML:1.5 0.000049250000000000004 0.84 AML other m 2017-01-20T13:52:06.31
IV.SRES.HHN. ML:1.5 0.00004709999999999999 0.92 AML other m 2017-01-20T13:52:10.68
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