Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-01-2017 and time 06:03:45 (Italy) in region 6 km SW Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 6 km SW Amatrice (RI), on

  • 23-01-2017 05:03:45 (UTC)
  • 23-01-2017 06:03:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5940, 13.2320 at 12 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 6 2657 2657
Cittareale RI 6 482 3139
Montereale AQ 8 2581 5720
Capitignano AQ 10 665 6385
Accumoli RI 11 667 7052
Campotosto AQ 12 542 7594
Borbona RI 12 617 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 16 737 11011
Pizzoli AQ 18 4326 15337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 2017-01-23
05:03:45		 42.5942 13.2318 12 2019-07-19
13:21:04		 Bollettino Sismico Italiano INGV 63501081
Reviewed
Rev100 		ML 2.0 2017-01-23
05:03:45		 42.5927 13.2288 11 2017-01-23
05:17:05		 Sala Sismica INGV-Roma 39628701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-23 05:03:45 ± 0.05
Latitude 42.5942 ± 0.0036
Longitude 13.2318 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63501081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 362
Semi-minor axis of confidence ellipse (meter) 242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
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) 70
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 63501081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-30 16:40:43

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 39628701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-23 05:17:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2017-01-23T05:04:04.36 0.6 undecidable manual S 294 58.7967 91 0.91 35
IV.CERT.HHZ. 2017-01-23T05:03:57.99 0.6 undecidable manual P 196 74.4699 90 -0.21 43
IV.T1211.EHZ. 2017-01-23T05:03:56.04 0.3 undecidable manual S 258 31.5462 91 -0.14 72
IV.MOMA.HHZ. 2017-01-23T05:03:55.77 0.3 undecidable manual P 294 58.7967 91 -0.01 69
IV.NRCA.HHZ. 2017-01-23T05:03:55.04 0.6 undecidable manual S 340 28.2495 92 -0.27 46
IV.OFFI.HHZ. 2017-01-23T05:03:55.72 0.1 undecidable manual P 44 52.9026 91 0.84 76
IV.GIGS.HHZ. 2017-01-23T05:03:55.80 0.6 undecidable manual S 119 31.9458 91 -0.5 43
IV.GUMA.HHZ. 2017-01-23T05:03:55.16 0.1 undecidable manual P 9 52.7028 91 0.32 89
IV.CESX.HHZ. 2017-01-23T05:03:54.81 0.6 undecidable manual P 272 52.7028 91 -0.04 47
IV.T1222.EHZ. 2017-01-23T05:03:54.78 0.1 undecidable manual S -0.03 96
IV.T1217.EHZ. 2017-01-23T05:03:54.99 0.6 undecidable manual S 298 27.75 92 -0.19 47
IV.T1212.EHZ. 2017-01-23T05:03:53.47 0.6 undecidable manual S 319 23.1546 93 -0.49 44
IV.ARRO.EHZ. 2017-01-23T05:03:52.55 0.1 positive manual P 268 38.1285 91 -0.05 95
IV.T1215.EHZ. 2017-01-23T05:03:52.36 0.3 undecidable manual P 308 37.5291 91 -0.15 70
IV.FIAM.HHZ. 2017-01-23T05:03:52.50 0.6 undecidable manual P 195 37.3293 91 0.01 48
IV.T1216.EHZ. 2017-01-23T05:03:52.54 0.3 undecidable manual P 332 37.2294 91 0.08 72
IV.NRCA.HHZ. 2017-01-23T05:03:51.11 0.1 undecidable manual P 340 28.2495 92 0.03 98
IV.LNSS.HHZ. 2017-01-23T05:03:51.98 0.1 undecidable manual S 274 15.6732 99 0.02 99
IV.CAMP.HHZ. 2017-01-23T05:03:51.83 0.1 undecidable manual S 114 15.873 99 -0.18 95
IV.GIGS.HHZ. 2017-01-23T05:03:51.42 0.1 undecidable manual P 119 31.9458 91 -0.23 92
IV.T1211.EHZ. 2017-01-23T05:03:51.51 0.1 undecidable manual P 258 31.5462 91 -0.08 96
IV.T1202.EHZ. 2017-01-23T05:03:51.17 0.1 undecidable manual S 357 12.1767 113 0.11 99
IV.T1213.HNE. 2017-01-23T05:03:51.72 0.6 undecidable manual S 329 16.872 97 -0.56 43
IV.T1217.EHZ. 2017-01-23T05:03:50.89 0.1 undecidable manual P 298 27.75 92 -0.12 95
IV.T1204.EHZ. 2017-01-23T05:03:50.80 0.3 undecidable manual S 37 11.3775 116 -0.08 73
IV.RM33.EHZ. 2017-01-23T05:03:50.34 0.1 undecidable manual S 189 9.5793 125 -0.11 100
IV.T1218.EHZ. 2017-01-23T05:03:50.92 0.1 undecidable manual S 312 12.6762 110 -0.27 95
IV.T1212.EHZ. 2017-01-23T05:03:50.21 0.1 undecidable manual P 319 23.1546 93 -0.09 96
IV.T1222.EHZ. 2017-01-23T05:03:50.83 0.3 positive manual P 0.04 73
IV.T1299.EHZ. 2017-01-23T05:03:49.67 0.1 undecidable manual S 43 6.0939 143 -0.12 99
IV.T1213.HNE. 2017-01-23T05:03:49.29 0.1 undecidable manual P 329 16.872 97 -0.05 98
IV.LNSS.HHZ. 2017-01-23T05:03:49.29 0.1 positive manual P 274 15.6732 99 0.14 97
IV.CAMP.HHZ. 2017-01-23T05:03:49.32 0.1 negative manual P 114 15.873 99 0.14 98
IV.T1247.HHZ. 2017-01-23T05:03:49.59 0.6 undecidable manual P 162 17.7711 96 0.12 49
IV.T1202.EHZ. 2017-01-23T05:03:48.86 0.1 undecidable manual P 357 12.1767 113 0.23 97
IV.T1299.EHZ. 2017-01-23T05:03:48.08 0.1 undecidable manual P 43 6.0939 143 0.19 99
IV.T1204.EHZ. 2017-01-23T05:03:48.70 0.1 undecidable manual P 37 11.3775 116 0.17 98
IV.RM33.EHZ. 2017-01-23T05:03:48.46 0.1 undecidable manual P 189 9.5793 125 0.18 97
IV.T1218.EHZ. 2017-01-23T05:03:48.78 0.1 undecidable manual P 312 12.6762 110 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.HNE. ML:2.3 0.002585 1.82 AML other m 2017-01-23T05:03:50.95
IV.T1299.EHE. ML:2.3 0.002575 1.82 AML other m 2017-01-23T05:03:50.95
IV.T1299.EHN. ML:2.1 0.0017 0.14 AML other m 2017-01-23T05:03:50.29
IV.T1299.HNN. ML:2.1 0.00165 0.14 AML other m 2017-01-23T05:03:50.29
IV.RM33.HNE. ML:2.3 0.0022699999999999994 0.48 AML other m 2017-01-23T05:03:50.63
IV.RM33.EHE. ML:2.3 0.002235 0.22 AML other m 2017-01-23T05:03:50.64
IV.T1218.HNE. ML:2.1 0.00143 0.38 AML other m 2017-01-23T05:03:51.23
IV.T1218.EHE. ML:2.1 0.001335 0.38 AML other m 2017-01-23T05:03:51.23
IV.RM33.EHN. ML:2.1 0.0015049999999999998 0.12 AML other m 2017-01-23T05:03:51.03
IV.RM33.HNN. ML:2.1 0.001545 0.14 AML other m 2017-01-23T05:03:51.02
IV.T1218.HNN. ML:2.3 0.002145 0.2 AML other m 2017-01-23T05:03:51.30
IV.T1218.EHN. ML:2.3 0.00212 0.22 AML other m 2017-01-23T05:03:51.31
IV.T1202.EHN. ML:2.6 0.004365 0.78 AML other m 2017-01-23T05:03:51.62
IV.LNSS.HHN. ML:2.2 0.00155 0.14 AML other m 2017-01-23T05:03:52.28
IV.T1202.EHE. ML:2.4 0.002575 0.74 AML other m 2017-01-23T05:03:52.58
IV.CAMP.HHN. ML:1.4 0.000222 0.66 AML other m 2017-01-23T05:03:52.40
IV.LNSS.HHE. ML:2.1 0.001135 1.32 AML other m 2017-01-23T05:03:52.84
IV.CAMP.HHE. ML:1.3 0.0001915 0.38 AML other m 2017-01-23T05:03:53.16
IV.T1247.HHN. ML:1.8 0.00047599999999999997 0.88 AML other m 2017-01-23T05:03:53.87
IV.T1222.HNN. ML:1.8 0.00034050000000000004 0.54 AML other m 2017-01-23T05:03:55.03
IV.T1247.HHE. ML:1.8 0.0004835 1.34 AML other m 2017-01-23T05:03:55.13
IV.GIGS.HHN. ML:1.2 0.0000751 1.82 AML other m 2017-01-23T05:03:56.96
IV.GIGS.HHE. ML:1.4 0.00010415 1.48 AML other m 2017-01-23T05:03:56.93
IV.T1222.HNE. ML:1.9 0.00042500000000000003 0.58 AML other m 2017-01-23T05:03:56.86
IV.T1222.EHE. ML:1.8 0.00033999999999999997 0.56 AML other m 2017-01-23T05:03:56.86
IV.T1211.HNN. ML:2.2 0.000829 0.44 AML other m 2017-01-23T05:03:56.58
IV.T1211.EHN. ML:2.2 0.0008335 0.14 AML other m 2017-01-23T05:03:56.58
IV.T1222.EHN. ML:1.7 0.000265 1.1 AML other m 2017-01-23T05:03:56.04
IV.T1211.HNE. ML:2.0 0.000431 0.58 AML other m 2017-01-23T05:03:56.32
IV.T1211.EHE. ML:1.9 0.0003745 0.18 AML other m 2017-01-23T05:03:57.41
IV.FIAM.HHN. ML:1.4 0.00009735 1.4 AML other m 2017-01-23T05:03:58.16
IV.FIAM.HHE. ML:1.6 0.00014150000000000002 0.34 AML other m 2017-01-23T05:03:58.36
IV.ARRO.EHE. ML:1.4 0.00010095 1.14 AML other m 2017-01-23T05:04:00.07
IV.ARRO.EHN. ML:1.6 0.0001305 0.18 AML other m 2017-01-23T05:04:00.16
IV.GUMA.HHE. ML:2.3 0.0004975 0.32 AML other m 2017-01-23T05:04:03.20
IV.GUMA.HHN. ML:2.0 0.00026000000000000003 0.88 AML other m 2017-01-23T05:04:03.44
IV.MOMA.HHN. ML:1.8 0.00013700000000000002 0.16 AML other m 2017-01-23T05:04:05.66
IV.MOMA.HHE. ML:1.8 0.0001385 0.16 AML other m 2017-01-23T05:04:05.89
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