Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 07:04:34 (Italy) in region 3 km N Barete (AQ)

A magnitude ML 2.0 earthquake occured in region: 3 km N Barete (AQ), on

  • 20-01-2017 06:04:34 (UTC)
  • 20-01-2017 07:04:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4810, 13.2770 at 18 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
Barete AQ 3 737 737
Cagnano Amiterno AQ 5 1369 2106
Capitignano AQ 5 665 2771
Pizzoli AQ 5 4326 7097
Montereale AQ 6 2581 9678
Campotosto AQ 12 542 10220
Scoppito AQ 12 3727 13947
Borbona RI 12 617 14564
Posta RI 16 694 15258
Amatrice RI 17 2657 17915
L'Aquila AQ 18 69753 87668
Antrodoco RI 18 2588 90256
Cittareale RI 18 482 90738
Crognaleto TE 18 1297 92035
Micigliano RI 18 127 92162
Borgo Velino RI 20 972 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
97 Km NE of Velletri (53303 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
06:04:34		 42.4812 13.2772 18 2019-07-19
13:21:00		 Bollettino Sismico Italiano INGV 63209451
Reviewed
Rev100 		ML 2.2 2017-01-20
06:04:34		 42.4948 13.2783 19 2017-01-20
07:05:48		 Sala Sismica INGV-Roma 39372091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 06:04:34 ± 0.18
Latitude 42.4812 ± 0.0063
Longitude 13.2772 ± 0.0110
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63209451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 832
Semi-minor axis of confidence ellipse (meter) 552
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 39372091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 07:05:48

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 63209451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-19 16:40:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1215.EHZ. 2017-01-20T06:04:49.56 0.6 undecidable manual S 317 48.8178 101 -0.88 35
IV.MOMA.HHZ. 2017-01-20T06:04:47.64 0.3 undecidable manual P 302 67.8765 97 0.9 52
IV.T1220.EHZ. 2017-01-20T06:04:46.53 0.3 undecidable manual P 348 71.4729 97 -0.75 54
IV.CESI.HHZ. 2017-01-20T06:04:46.08 0.3 undecidable manual P 333 65.5899 97 -0.3 63
IV.FDMO.HHZ. 2017-01-20T06:04:45.68 0.3 undecidable manual P 346 63.492 98 -0.39 62
IV.T1202.EHZ. 2017-01-20T06:04:45.05 0.3 undecidable manual S 350 25.0527 115 0.68 61
IV.LNSS.HHZ. 2017-01-20T06:04:44.28 0.1 undecidable manual S 305 23.5542 117 0.25 93
IV.FIAM.HHZ. 2017-01-20T06:04:44.72 0.3 undecidable manual S 209 27.0507 113 -0.14 71
IV.T1204.EHZ. 2017-01-20T06:04:43.59 0.3 undecidable manual S 8 21.867 120 -0.02 73
IV.GIGS.HHZ. 2017-01-20T06:04:43.97 0.6 undecidable manual S 97 24.3534 116 -0.24 47
IV.T1215.EHZ. 2017-01-20T06:04:43.77 0.1 undecidable manual P 317 48.8178 101 -0.06 91
IV.FAGN.HHZ. 2017-01-20T06:04:42.08 0.3 undecidable manual P 133 34.6431 107 0.37 65
IV.CAMP.HHZ. 2017-01-20T06:04:41.73 0.1 undecidable manual S 61 12.3765 139 0.09 95
IV.T1202.EHZ. 2017-01-20T06:04:40.45 0.3 undecidable manual P 350 25.0527 115 0.13 71
IV.LNSS.HHZ. 2017-01-20T06:04:40.33 0.1 undecidable manual P 305 23.5542 117 0.2 93
IV.GIGS.HHZ. 2017-01-20T06:04:40.32 0.3 undecidable manual P 97 24.3534 116 0.09 70
IV.FIAM.HHZ. 2017-01-20T06:04:40.69 0.3 undecidable manual P 209 27.0507 113 0.09 71
MN.AQU.HHZ. 2017-01-20T06:04:39.40 0.6 negative manual P -0.07 49
IV.T1204.EHZ. 2017-01-20T06:04:39.71 0.3 undecidable manual P 8 21.867 120 -0.18 71
IV.T1247.HHZ. 2017-01-20T06:04:39.90 0.6 undecidable manual S 159 4.6953 163 -0.73 43
IV.T1247.HHZ. 2017-01-20T06:04:38.09 0.1 negative manual P 159 4.6953 163 -0.08 100
IV.CAMP.HHZ. 2017-01-20T06:04:38.83 0.3 undecidable manual P 61 12.3765 139 0.09 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.EHE. ML:2.2 0.00108 0.7 AML other m 2017-01-20T06:04:39.40
IV.T1299.HNE. ML:2.2 0.0010750000000000002 0.68 AML other m 2017-01-20T06:04:39.41
IV.T1299.EHN. ML:2.4 0.0016600000000000002 0.14 AML other m 2017-01-20T06:04:39.47
IV.T1299.HNN. ML:2.4 0.0016749999999999998 0.14 AML other m 2017-01-20T06:04:39.47
IV.T1247.HHN. ML:2.0 0.001052 0.46 AML other m 2017-01-20T06:04:40.37
IV.T1247.HHE. ML:2.1 0.001295 0.12 AML other m 2017-01-20T06:04:41.52
IV.T1202.EHE. ML:2.5 0.00148 1.78 AML other m 2017-01-20T06:04:41.89
IV.CAMP.HHN. ML:1.3 0.00016649999999999998 1.36 AML other m 2017-01-20T06:04:41.24
IV.CAMP.HHE. ML:1.5 0.00024349999999999998 0.24 AML other m 2017-01-20T06:04:41.87
IV.T1202.EHN. ML:2.4 0.001315 0.14 AML other m 2017-01-20T06:04:43.10
IV.LNSS.HHN. ML:1.6 0.000237 1.08 AML other m 2017-01-20T06:04:44.65
IV.LNSS.HHE. ML:1.7 0.0002475 0.22 AML other m 2017-01-20T06:04:45.12
IV.FAGN.HHE. ML:1.6 0.00014299999999999998 1.12 AML other m 2017-01-20T06:04:51.92
IV.FAGN.HHN. ML:1.5 0.00011565 0.4 AML other m 2017-01-20T06:04:53.38
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