Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 02-11-2019 and time 00:33:18 (Italy) in region 2 km SW Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 2 km SW Amatrice (RI), on

  • 01-11-2019 23:33:18 (UTC)
  • 02-11-2019 00:33:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6150, 13.2790 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 2657 2657
Accumoli RI 9 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 10 542 4348
Montereale AQ 10 2581 6929
Capitignano AQ 11 665 7594
Borbona RI 16 617 8211
Cagnano Amiterno AQ 18 1369 9580
Arquata del Tronto AP 18 1178 10758
Posta RI 18 694 11452
Crognaleto TE 18 1297 12749
Barete AQ 18 737 13486
Cortino TE 19 656 14142
Pizzoli AQ 20 4326 18468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 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 1.1 2019-11-01
23:33:18		 42.6148 13.2787 12 2020-02-28
16:42:15		 Bollettino Sismico Italiano INGV 74766681
Reviewed
Rev100 		ML 1.4 2019-11-01
23:33:18		 42.6105 13.2788 12 2019-11-01
23:46:11		 Sala Sismica INGV-Roma 73580241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-01 23:33:18 ± 0.07
Latitude 42.6148 ± 0.0036
Longitude 13.2787 ± 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 74766681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 67
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39570
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.8
Num. used stations 10
Type of magnitude ML
Reference to an origin 73580241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-01 23:46:11

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 74766681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-18 14:37:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2019-11-01T23:34:49.38 3.0 undecidable manual Sn -1.16 0
IV.NOCI.HHZ. 2019-11-01T23:34:39.14 3.0 undecidable manual Sn -9.64 0
IV.PZUN.HHZ. 2019-11-01T23:34:32.62 3.0 undecidable manual Sg 1.14 0
IT.ORP.HGZ. 2019-11-01T23:34:13.87 3.0 undecidable manual Sg -0.22 0
IV.FIR.HHZ. 2019-11-01T23:34:12.67 3.0 undecidable manual Sn -0.77 0
IV.CPGN.EHZ. 2019-11-01T23:34:05.06 3.0 undecidable manual Sg 1.37 0
IV.CPGN.EHZ. 2019-11-01T23:33:44.10 3.0 undecidable manual Pg 2.25 0
IV.PE3.EHZ. 2019-11-01T23:33:39.37 3.0 negative manual Pn -0.54 0
IT.VNF1.HGZ. 2019-11-01T23:33:36.26 3.0 undecidable manual Pn -0.16 0
IV.SRES.HHZ. 2019-11-01T23:33:28.84 3.0 undecidable manual P 5.34 0
IV.NRCA.HHZ. 2019-11-01T23:33:28.22 0.3 undecidable manual S 331 27.75 93 -0.19 70
IV.GIGS.HHZ. 2019-11-01T23:33:28.72 0.6 undecidable manual S 127 30.0477 92 -0.3 46
IV.MF5.EHZ. 2019-11-01T23:33:27.28 0.3 undecidable manual P 20 43.9227 91 0.55 63
IV.LNSS.HNN. 2019-11-01T23:33:26.14 0.3 undecidable manual S 266 19.4694 96 -0.08 73
IV.MTRA.EHE. 2019-11-01T23:33:25.60 0.6 undecidable manual S 31 18.4704 98 -0.34 45
IV.NRCA.HHZ. 2019-11-01T23:33:24.19 0.1 undecidable manual P 331 27.75 93 -0.05 96
IV.CAMP.HHE. 2019-11-01T23:33:24.58 0.6 undecidable manual S 129 13.7751 109 -0.15 48
IV.RM33.EHZ. 2019-11-01T23:33:24.36 0.3 undecidable manual S 204 12.876 113 -0.14 73
IV.GIGS.HHZ. 2019-11-01T23:33:24.54 0.3 undecidable manual P 127 30.0477 92 -0.05 72
IV.CAMP.HHE. 2019-11-01T23:33:22.27 0.1 undecidable manual P 129 13.7751 109 0.16 96
IV.RM33.EHZ. 2019-11-01T23:33:22.11 0.1 undecidable manual P 204 12.876 113 0.13 96
IV.T1299.HNE. 2019-11-01T23:33:22.37 0.3 undecidable manual S 8 2.1978 167 -0.28 71
IV.MTRA.EHE. 2019-11-01T23:33:22.79 0.1 undecidable manual P 31 18.4704 98 -0.02 97
IV.LNSS.HNN. 2019-11-01T23:33:22.98 0.1 undecidable manual P 266 19.4694 96 0 98
IV.SMA1.EHZ. 2019-11-01T23:33:22.95 0.3 undecidable manual S 70 4.8951 151 0.03 75
IV.T1299.HNE. 2019-11-01T23:33:21.01 0.1 undecidable manual P 8 2.1978 167 0.09 100
IV.SMA1.EHZ. 2019-11-01T23:33:21.31 0.1 undecidable manual P 70 4.8951 151 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.3 0.0002615 0.44 AML other m 2019-11-01T23:33:23.39
IV.SMA1.EHE. ML:1.6 0.0005480000000000001 0.26 AML other m 2019-11-01T23:33:23.20
IV.RM33.EHN. ML:0.9 0.00008499999999999999 0.32 AML other m 2019-11-01T23:33:24.84
IV.RM33.EHE. ML:1.0 0.00010605 1.3 AML other m 2019-11-01T23:33:25.66
IV.NRCA.HHN. ML:0.8 0.00003105 1.1 AML other m 2019-11-01T23:33:28.97
IV.NRCA.HHE. ML:0.9 0.00004355000000000001 0.4 AML other m 2019-11-01T23:33:28.64
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