Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 20-11-2019 and time 21:27:17 (UTC) in region 2 km NW Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 2 km NW Campotosto (AQ), on

  • 20-11-2019 21:27:17 (UTC)
  • 20-11-2019 22:27:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5710, 13.3600 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Campotosto AQ 2 542 542
Capitignano AQ 7 665 1207
Amatrice RI 9 2657 3864
Crognaleto TE 10 1297 5161
Montereale AQ 11 2581 7742
Cortino TE 14 656 8398
Fano Adriano TE 15 296 8694
Barete AQ 15 737 9431
Pizzoli AQ 16 4326 13757
Cagnano Amiterno AQ 17 1369 15126
Accumoli RI 17 667 15793
Pietracamela TE 17 271 16064
Cittareale RI 17 482 16546
Rocca Santa Maria TE 19 537 17083
Borbona RI 20 617 17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Reviewed
Rev100 		ML 1.0 2019-11-20
21:27:17		 42.5708 13.36 9 2019-11-20
23:23:18		 Sala Sismica INGV-Roma 73939451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-20 21:27:17 ± 0.05
Latitude 42.5708 ± 0.0027
Longitude 13.3600 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73939451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 73939451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-20 23:23:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2019-11-20T21:27:40.41 3.0 undecidable manual P 0.79 0
IV.MF5.EHZ. 2019-11-20T21:27:33.30 0.6 undecidable manual S 10 46.9197 50 0.47 42
IV.MC2.EHZ. 2019-11-20T21:27:31.34 0.3 undecidable manual S 340 40.2264 50 0.3 67
IV.ATTE.HHZ. 2019-11-20T21:27:30.59 3.0 undecidable manual P -0.27 0
IV.FIAM.HNE. 2019-11-20T21:27:30.56 0.3 undecidable manual S 211 39.0276 50 -0.16 69
IV.MMO1.EHZ. 2019-11-20T21:27:29.86 0.3 undecidable manual S 356 36.5412 50 -0.19 69
IV.NRCA.HNZ. 2019-11-20T21:27:29.40 0.3 undecidable manual S 326 35.3424 50 -0.34 67
IV.MF5.EHZ. 2019-11-20T21:27:26.49 0.1 undecidable manual P 10 46.9197 50 0.24 89
MN.AQU.HHZ. 2019-11-20T21:27:26.67 0.3 undecidable manual S 171 24.3534 109 0.46 66
IV.LNSS.HHN. 2019-11-20T21:27:26.72 0.3 undecidable manual S 278 26.3514 108 -0.15 71
IV.TERO.HHZ. 2019-11-20T21:27:25.02 0.3 undecidable manual S 74 20.7681 112 -0.02 73
IV.GIGS.HHZ. 2019-11-20T21:27:25.12 0.3 undecidable manual S 127 21.7671 111 -0.25 70
IV.MC2.EHZ. 2019-11-20T21:27:25.33 0.6 undecidable manual P 340 40.2264 50 0.11 46
IV.FIAM.HNE. 2019-11-20T21:27:24.92 0.6 undecidable manual P 211 39.0276 50 -0.11 46
IV.NRCA.HNZ. 2019-11-20T21:27:24.91 0.6 undecidable manual P 326 35.3424 50 0.44 44
IV.MMO1.EHZ. 2019-11-20T21:27:24.33 0.1 undecidable manual P 356 36.5412 50 -0.32 89
IV.MTRA.HNZ. 2019-11-20T21:27:24.74 0.3 undecidable manual S 8 20.868 112 -0.32 69
MN.AQU.HHZ. 2019-11-20T21:27:22.51 1.0 undecidable manual P 171 24.3534 109 0.08 24
IV.LNSS.HHN. 2019-11-20T21:27:22.67 0.1 positive manual P 278 26.3514 108 -0.14 94
IV.GIGS.HHZ. 2019-11-20T21:27:21.93 0.1 undecidable manual P 127 21.7671 111 -0.02 98
IV.MTRA.HNZ. 2019-11-20T21:27:21.34 1.0 undecidable manual P 8 20.868 112 -0.43 22
IV.TERO.HHZ. 2019-11-20T21:27:21.84 0.1 undecidable manual P 74 20.7681 112 0.09 96
IV.SMA1.EHZ. 2019-11-20T21:27:21.31 0.3 undecidable manual S 343 6.8931 141 0.25 72
IV.T1299.HNZ. 2019-11-20T21:27:21.78 0.3 undecidable manual S 318 9.4794 132 0.1 73
IV.CAMP.HHE. 2019-11-20T21:27:20.49 0.3 undecidable manual S 134 5.5944 147 -0.3 71
IV.SMA1.EHZ. 2019-11-20T21:27:19.44 0.1 undecidable manual P 343 6.8931 141 -0.02 100
IV.T1299.HNZ. 2019-11-20T21:27:19.98 0.1 undecidable manual P 318 9.4794 132 0.16 97
IV.CAMP.HHE. 2019-11-20T21:27:19.39 0.1 positive manual P 134 5.5944 147 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.000323 1.66 AML other m 2019-11-20T21:27:21.16
IV.SMA1.EHN. ML:1.2 0.0002515 0.64 AML other m 2019-11-20T21:27:24.41
IV.GIGS.HHE. ML:0.6 0.000026116775000000002 0.1536 AML other m 2019-11-20T21:27:25.86
IV.GIGS.HHN. ML:0.6 0.000031708935 0.1664 AML other m 2019-11-20T21:27:25.57
IV.MF5.EHN. ML:1.2 0.00004149488 0.5376 AML other m 2019-11-20T21:27:34.37
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