Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 12:26:20 (Italy) in region 9 km E Pizzoli (AQ)

A magnitude ML 2.0 earthquake occured in region: 9 km E Pizzoli (AQ), on

  • 20-01-2017 11:26:20 (UTC)
  • 20-01-2017 12:26:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4700, 13.3980 at 11 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
Pizzoli AQ 9 4326 4326
Barete AQ 10 737 5063
Capitignano AQ 10 665 5728
Campotosto AQ 10 542 6270
Crognaleto TE 11 1297 7567
L'Aquila AQ 13 69753 77320
Montereale AQ 14 2581 79901
Pietracamela TE 14 271 80172
Cagnano Amiterno AQ 14 1369 81541
Fano Adriano TE 15 296 81837
Scoppito AQ 16 3727 85564
Cortino TE 19 656 86220
Amatrice RI 20 2657 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km SE of Foligno (57155 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 2017-01-20
11:26:20		 42.4695 13.3977 11 2019-07-19
13:21:00		 Bollettino Sismico Italiano INGV 63210831
Reviewed
Rev100 		ML 2.0 2017-01-20
11:26:20		 42.4708 13.3987 11 2017-01-20
11:32:59		 Sala Sismica INGV-Roma 39388591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 11:26:20 ± 0.04
Latitude 42.4695 ± 0.0027
Longitude 13.3977 ± 0.0037
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 63210831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69428
Number of stations at which the event was observed 23
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 46
Type of magnitude ML
Reference to an origin 63210831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-19 17:25:03

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 39388591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 11:32:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2017-01-20T11:26:35.57 0.6 undecidable manual S 330 46.5201 50 0.11 46
IV.CESI.HHZ. 2017-01-20T11:26:33.03 0.3 undecidable manual P 326 71.6727 50 0 67
IV.MOMA.HHZ. 2017-01-20T11:26:33.86 0.3 undecidable manual P 299 77.0673 50 0 67
IV.T1220.EHZ. 2017-01-20T11:26:33.55 0.3 undecidable manual P 341 75.369 50 -0.05 66
IV.FDMO.HHZ. 2017-01-20T11:26:32.37 0.3 undecidable manual P 338 67.7766 50 -0.06 67
IV.GUMA.HHZ. 2017-01-20T11:26:32.68 0.3 undecidable manual P 356 65.9895 50 0.52 61
IV.T1218.EHZ. 2017-01-20T11:26:31.53 0.3 undecidable manual S 314 32.0457 50 -0.06 72
IV.CERT.HHZ. 2017-01-20T11:26:31.98 0.3 undecidable manual P 211 67.0773 50 -0.34 63
IV.ARRO.EHZ. 2017-01-20T11:26:30.14 0.3 undecidable manual P 283 53.1024 50 -0.02 69
IV.MC2.EHZ. 2017-01-20T11:26:30.00 0.1 positive manual P 341 51.9036 50 0.02 93
IV.PTQR.HHZ. 2017-01-20T11:26:29.98 0.3 undecidable manual P 180 49.617 50 0.35 65
IV.NRCA.HHZ. 2017-01-20T11:26:29.06 0.1 undecidable manual P 330 46.5201 50 -0.09 92
IV.T1204.EHZ. 2017-01-20T11:26:29.00 0.6 undecidable manual S 344 23.8539 50 -0.4 45
IV.T1217.EHZ. 2017-01-20T11:26:29.09 0.3 undecidable manual P 305 46.62 50 -0.08 70
IV.T1299.EHZ. 2017-01-20T11:26:28.55 0.3 undecidable manual S 333 20.5683 50 0.02 74
MN.AQU.HHZ. 2017-01-20T11:26:26.37 0.3 undecidable manual S -0.04 74
IV.T1202.EHZ. 2017-01-20T11:26:26.74 0.1 positive manual P 332 29.5482 50 0.2 93
IV.GIGS.HHZ. 2017-01-20T11:26:26.57 0.1 undecidable manual S 97 14.4744 127 -0.25 95
IV.T1218.EHZ. 2017-01-20T11:26:26.85 0.3 undecidable manual P 314 32.0457 50 -0.07 71
IV.FAGN.HHZ. 2017-01-20T11:26:26.19 0.3 undecidable manual P 146 27.2505 50 0.01 73
IV.RM33.EHZ. 2017-01-20T11:26:26.99 0.3 undecidable manual S 286 15.5733 125 -0.15 72
IV.LNSS.HHZ. 2017-01-20T11:26:26.96 0.1 positive manual P 297 32.745 50 -0.07 95
IV.FIAM.HHZ. 2017-01-20T11:26:26.78 0.3 undecidable manual P 226 32.0457 50 -0.14 70
IV.T1247.HHZ. 2017-01-20T11:26:25.34 0.1 undecidable manual S 249 8.6802 141 -0.03 100
IV.T1299.EHZ. 2017-01-20T11:26:25.29 0.1 undecidable manual P 333 20.5683 50 0.14 96
IV.CAMP.HHZ. 2017-01-20T11:26:25.07 0.1 undecidable manual S 7 7.3815 146 -0.04 100
IV.T1204.EHZ. 2017-01-20T11:26:25.54 0.1 undecidable manual P 344 23.8539 50 -0.12 96
IV.RM33.EHZ. 2017-01-20T11:26:24.37 0.1 positive manual P 286 15.5733 125 0.02 99
MN.AQU.HHZ. 2017-01-20T11:26:24.03 0.1 positive manual P 0.1 97
IV.GIGS.HHZ. 2017-01-20T11:26:24.13 0.1 undecidable manual P 97 14.4744 127 -0.04 99
IV.CAMP.HHZ. 2017-01-20T11:26:23.40 0.1 positive manual P 7 7.3815 146 0.22 96
IV.T1247.HHZ. 2017-01-20T11:26:23.50 0.1 positive manual P 249 8.6802 141 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1247.HHE. ML:3.0 0.01305 0.32 AML other m 2017-01-20T11:26:25.38
IV.T1247.HHN. ML:2.9 0.009609999999999999 0.26 AML other m 2017-01-20T11:26:25.52
IV.CAMP.HHE. ML:1.9 0.0010969999999999999 0.26 AML other m 2017-01-20T11:26:25.28
IV.CAMP.HHN. ML:2.1 0.0018 0.48 AML other m 2017-01-20T11:26:25.24
MN.AQU.HHN. ML:1.9 0.0009170000000000001 0.64 AML other m 2017-01-20T11:26:26.39
MN.AQU.HLN. ML:2.0 0.000961 0.66 AML other m 2017-01-20T11:26:26.39
IV.GIGS.HHN. ML:1.5 0.0003115 0.38 AML other m 2017-01-20T11:26:26.59
IV.GIGS.HHE. ML:1.6 0.00035350000000000003 0.7 AML other m 2017-01-20T11:26:26.95
IV.RM33.HNE. ML:2.2 0.0015049999999999998 1.04 AML other m 2017-01-20T11:26:26.47
IV.RM33.EHE. ML:2.2 0.001425 0.96 AML other m 2017-01-20T11:26:27.48
IV.RM33.HNN. ML:2.2 0.00135 0.18 AML other m 2017-01-20T11:26:27.20
IV.RM33.EHN. ML:2.2 0.0013365 0.16 AML other m 2017-01-20T11:26:27.20
MN.AQU.HHE. ML:1.9 0.0007545 0.82 AML other m 2017-01-20T11:26:27.88
MN.AQU.HLE. ML:1.9 0.0007650000000000001 1.08 AML other m 2017-01-20T11:26:27.88
IV.T1299.EHN. ML:1.8 0.0004429999999999999 1.36 AML other m 2017-01-20T11:26:28.74
IV.T1299.HNN. ML:1.8 0.000449 0.9 AML other m 2017-01-20T11:26:29.14
IV.T1299.HNE. ML:1.8 0.0004525 1.22 AML other m 2017-01-20T11:26:29.80
IV.T1299.EHE. ML:1.8 0.00045499999999999995 1.22 AML other m 2017-01-20T11:26:29.80
IV.T1218.EHN. ML:1.9 0.000352 0.2 AML other m 2017-01-20T11:26:31.72
IV.T1218.EHE. ML:1.8 0.00030199999999999997 0.28 AML other m 2017-01-20T11:26:31.80
IV.T1202.EHE. ML:2.3 0.0009690000000000001 0.7 AML other m 2017-01-20T11:26:31.98
IV.LNSS.HHE. ML:2.1 0.0005304999999999999 1.58 AML other m 2017-01-20T11:26:32.17
IV.T1218.HNN. ML:1.9 0.000357 0.82 AML other m 2017-01-20T11:26:32.00
IV.T1202.EHN. ML:2.5 0.0014199999999999998 1.08 AML other m 2017-01-20T11:26:32.66
IV.LNSS.HHN. ML:2.0 0.0004825 1.44 AML other m 2017-01-20T11:26:32.16
IV.FAGN.HHN. ML:2.2 0.000887 0.28 AML other m 2017-01-20T11:26:33.21
IV.FIAM.HHE. ML:1.6 0.0001815 0.3 AML other m 2017-01-20T11:26:33.73
IV.FAGN.HHE. ML:2.3 0.0011 0.38 AML other m 2017-01-20T11:26:35.50
IV.PTQR.HHE. ML:1.5 0.0000875 0.48 AML other m 2017-01-20T11:26:37.64
IV.PTQR.HHN. ML:1.5 0.00008494999999999999 0.66 AML other m 2017-01-20T11:26:39.33
IV.T1218.HNE. ML:2.0 0.0004279 0.58 AML other m 2017-01-20T11:26:39.67
IV.GUMA.HHE. ML:2.1 0.00023349999999999998 1.52 AML other m 2017-01-20T11:26:40.15
IV.ARRO.EHN. ML:1.6 0.00009204999999999999 0.6 AML other m 2017-01-20T11:26:41.07
IV.ARRO.EHE. ML:1.6 0.0001017 0.5 AML other m 2017-01-20T11:26:41.95
IV.GUMA.HNN. ML:2.3 0.000363 0.68 AML other m 2017-01-20T11:26:43.40
IV.FIAM.HHN. ML:1.4 0.0001275 0.48 AML other m 2017-01-20T11:26:43.54
IV.CESI.HHE. ML:1.6 0.00006890000000000001 0.44 AML other m 2017-01-20T11:26:43.51
IV.GUMA.HHN. ML:2.3 0.000383 0.5 AML other m 2017-01-20T11:26:44.37
IV.GUMA.HNE. ML:2.4 0.0004305 0.42 AML other m 2017-01-20T11:26:44.13
IV.MOMA.HHN. ML:1.8 0.00009934999999999999 0.5 AML other m 2017-01-20T11:26:45.09
IV.MOMA.HHE. ML:1.8 0.00009120000000000001 0.9 AML other m 2017-01-20T11:26:46.76
IV.T1220.EHN. ML:2.3 0.00029299999999999997 0.24 AML other m 2017-01-20T11:26:47.40
IV.LPEL.HHE. ML:2.1 0.00016849999999999998 1.52 AML other m 2017-01-20T11:26:48.08
IV.LPEL.HHN. ML:1.9 0.0001088 0.54 AML other m 2017-01-20T11:26:48.24
IV.T1220.EHE. ML:2.2 0.0002255 0.28 AML other m 2017-01-20T11:26:48.58
IV.CESI.HHN. ML:1.7 0.0000783 0.42 AML other m 2017-01-20T11:26:48.73
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