Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 15-11-2020 and time 17:05:24 (UTC) in region 3 km NE Barete (AQ)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Barete (AQ), on

  • 15-11-2020 17:05:24 (UTC)
  • 15-11-2020 18:05:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4760, 13.2940 at 15 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
Pizzoli AQ 4 4326 5063
Capitignano AQ 5 665 5728
Cagnano Amiterno AQ 6 1369 7097
Montereale AQ 7 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
Borbona RI 14 617 14564
L'Aquila AQ 16 69753 84317
Posta RI 17 694 85011
Crognaleto TE 17 1297 86308
Amatrice RI 17 2657 88965
Antrodoco RI 19 2588 91553
Cittareale RI 19 482 92035
Micigliano RI 20 127 92162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
73 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
98 Km NE of Velletri (53303 inhabitants)
98 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 2020-11-15
17:05:24		 42.4757 13.2945 15 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86467921
Reviewed
Rev100 		ML 1.1 2020-11-15
17:05:24		 42.4755 13.2958 16 2020-11-15
17:15:20		 Sala Sismica INGV-Roma 84751741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-15 17:05:24 ± 0.12
Latitude 42.4757 ± 0.0045
Longitude 13.2945 ± 0.0049
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86467921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 217
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.46225
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:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 86467921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-22 18:55:55

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 84751741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-15 17:15:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHN. 2020-11-15T17:05:39.11 0.6 undecidable manual S 285 44.7219 97 0.31 44
IV.MMO1.EHZ. 2020-11-15T17:05:39.79 0.6 undecidable manual S 3 47.1195 97 0.37 44
IV.NRCA.HHZ. 2020-11-15T17:05:38.31 0.6 undecidable manual S 340 42.3243 98 0.14 46
IV.GAVE.EHZ. 2020-11-15T17:05:37.77 0.6 undecidable manual S 306 40.5261 98 0.07 47
IV.FAGN.HHE. 2020-11-15T17:05:36.03 0.6 undecidable manual S 134 33.2445 101 0.27 46
IV.MTRA.EHZ. 2020-11-15T17:05:35.37 0.6 undecidable manual S 15 32.2455 101 -0.14 47
IV.TERO.HHZ. 2020-11-15T17:05:34.72 0.6 undecidable manual S 57 30.1476 103 -0.23 46
IT.MMP1.HGN. 2020-11-15T17:05:33.24 1.0 undecidable manual P 241 51.3153 96 -0.46 22
IV.GAVE.EHZ. 2020-11-15T17:05:32.10 0.6 undecidable manual P 306 40.5261 98 0.05 47
IV.GIGS.HJZ. 2020-11-15T17:05:32.83 0.6 undecidable manual S 96 22.9548 109 -0.27 46
IV.ARRO.EHN. 2020-11-15T17:05:32.24 0.1 undecidable manual P 285 44.7219 97 -0.44 87
IV.NRCA.HHZ. 2020-11-15T17:05:32.36 0.6 positive manual P 340 42.3243 98 0.04 47
IV.MMO1.EHZ. 2020-11-15T17:05:32.55 0.6 undecidable manual P 3 47.1195 97 -0.49 43
IV.SMA1.EHZ. 2020-11-15T17:05:32.12 0.6 undecidable manual S 11 17.4714 118 0.34 47
IV.FAGN.HHE. 2020-11-15T17:05:31.10 0.3 undecidable manual P 134 33.2445 101 0.17 70
MN.AQU.HNZ. 2020-11-15T17:05:31.76 0.6 undecidable manual S 146 16.2726 121 0.28 47
IV.T1299.EHZ. 2020-11-15T17:05:31.76 0.6 undecidable manual S 357 17.6712 118 -0.05 49
IV.CAMP.HHZ. 2020-11-15T17:05:30.10 0.6 undecidable manual S 54 11.4774 134 -0.38 46
IV.TERO.HHZ. 2020-11-15T17:05:30.54 0.6 undecidable manual P 57 30.1476 103 0.08 48
IV.MTRA.EHZ. 2020-11-15T17:05:30.72 0.1 undecidable manual P 15 32.2455 101 -0.07 96
IV.GIGS.HJZ. 2020-11-15T17:05:29.40 0.1 undecidable manual P 96 22.9548 109 0 98
IV.LNSS.HHZ. 2020-11-15T17:05:29.47 0.1 undecidable manual P 304 25.1526 107 -0.25 94
IV.T1299.EHZ. 2020-11-15T17:05:28.75 0.1 undecidable manual P 357 17.6712 118 0.1 98
IV.SMA1.EHZ. 2020-11-15T17:05:28.84 0.1 undecidable manual P 11 17.4714 118 0.21 96
MN.AQU.HNZ. 2020-11-15T17:05:28.51 0.1 undecidable manual P 146 16.2726 121 0.05 99
IV.CAMP.HHZ. 2020-11-15T17:05:27.95 0.1 undecidable manual P 54 11.4774 134 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.5 0.00021600000000000002 0.22 AML other m 2020-11-15T17:05:32.38
IV.SMA1.EHN. ML:1.5 0.00023249999999999999 0.34 AML other m 2020-11-15T17:05:32.47
IV.TERO.HHE. ML:0.4 0.00001092867 0.064 AML other m 2020-11-15T17:05:35.90
IV.TERO.HHN. ML:0.4 0.000011415537 0.0896 AML other m 2020-11-15T17:05:37.24
IV.NRCA.HNE. ML:1.5 0.00009820313999999999 0.5248 AML other m 2020-11-15T17:05:39.14
IV.NRCA.HHE. ML:1.3 0.00006405 0.14 AML other m 2020-11-15T17:05:39.39
IV.GAVE.EHE. ML:0.9 0.000026238495 0.1792 AML other m 2020-11-15T17:05:39.47
IV.NRCA.HHN. ML:1.2 0.0000518 0.1 AML other m 2020-11-15T17:05:39.46
IV.GAVE.EHN. ML:0.8 0.00002174491 0.1792 AML other m 2020-11-15T17:05:39.85
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