Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 19-11-2021 and time 11:51:19 (UTC) in region 3 km NW Capitignano (AQ)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Capitignano (AQ), on

  • 19-11-2021 11:51:19 (UTC)
  • 19-11-2021 12:51:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5450, 13.2770 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
Montereale AQ 3 2581 2581
Capitignano AQ 3 665 3246
Campotosto AQ 8 542 3788
Amatrice RI 10 2657 6445
Cagnano Amiterno AQ 10 1369 7814
Barete AQ 10 737 8551
Pizzoli AQ 12 4326 12877
Borbona RI 12 617 13494
Cittareale RI 13 482 13976
Posta RI 15 694 14670
Crognaleto TE 17 1297 15967
Accumoli RI 17 667 16634
Scoppito AQ 19 3727 20361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
76 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 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 1.4 2021-11-19
11:51:19		 42.5452 13.2768 15 2022-03-30
13:04:41		 Bollettino Sismico Italiano INGV 102175331
Reviewed
Rev100 		ML 1.5 2021-11-19
11:51:19		 42.5438 13.2778 14 2021-11-19
12:06:24		 Sala Sismica INGV-Roma 97590511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-19 11:51:19 ± 0.1
Latitude 42.5452 ± 0.0054
Longitude 13.2768 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102175331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 482
Semi-minor axis of confidence ellipse (meter) 385
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
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) 0.54859
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 97590511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-19 12:06:24

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 102175331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-20 09:13:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-11-19T11:51:50.90 3.0 undecidable manual S -0.03 0
IV.GIUL.HHZ. 2021-11-19T11:51:50.04 3.0 undecidable manual S -0.16 0
IV.CSP1.EHZ. 2021-11-19T11:51:38.43 0.6 undecidable manual S 355 60.8946 94 0.48 42
IV.GAVE.EHZ. 2021-11-19T11:51:30.92 0.3 undecidable manual S 298 35.2425 99 -0.22 70
IV.CSP1.EHZ. 2021-11-19T11:51:30.23 0.3 undecidable manual P 355 60.8946 94 0.2 68
IV.NRCA.HHZ. 2021-11-19T11:51:30.72 0.6 undecidable manual S 338 34.6431 99 -0.26 46
IV.MTRA.EHE. 2021-11-19T11:51:28.18 0.3 undecidable manual S 23 25.4523 105 -0.39 69
IV.TERO.HHZ. 2021-11-19T11:51:28.87 0.6 undecidable manual S 72 28.0497 103 -0.39 46
IV.LNSS.HHZ. 2021-11-19T11:51:27.22 0.6 undecidable manual S 288 20.3685 112 -0.07 50
IV.GAVE.EHZ. 2021-11-19T11:51:26.06 0.1 undecidable manual P 298 35.2425 99 -0.03 97
IV.SMA1.EHZ. 2021-11-19T11:51:25.10 0.3 undecidable manual S 27 10.5783 135 0 76
IV.NRCA.HHZ. 2021-11-19T11:51:25.91 0.1 undecidable manual P 338 34.6431 99 -0.09 96
IV.TERO.HHZ. 2021-11-19T11:51:25.02 0.3 undecidable manual P 72 28.0497 103 0.01 74
IV.MTRA.EHE. 2021-11-19T11:51:24.71 0.3 undecidable manual P 23 25.4523 105 0.1 73
IV.RM33.EHZ. 2021-11-19T11:51:24.23 0.3 undecidable manual S 232 6.4935 151 -0.21 75
IV.CAMP.HHE. 2021-11-19T11:51:24.97 0.6 undecidable manual S 95 10.878 135 -0.18 50
IV.LNSS.HHZ. 2021-11-19T11:51:23.98 0.1 positive manual P 288 20.3685 112 0.11 98
IV.RM33.EHZ. 2021-11-19T11:51:22.34 0.1 undecidable manual P 232 6.4935 151 0.12 100
IV.CAMP.HHE. 2021-11-19T11:51:22.80 0.1 undecidable manual P 95 10.878 135 0.17 99
IV.SMA1.EHZ. 2021-11-19T11:51:22.81 0.1 negative manual P 27 10.5783 135 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.6 0.00048699999999999997 0.14 AML other m 2021-11-19T11:51:24.57
IV.RM33.EHN. ML:1.4 0.0002605 0.2 AML other m 2021-11-19T11:51:24.89
IV.SMA1.EHN. ML:1.6 0.000345 0.34 AML other m 2021-11-19T11:51:25.33
IV.SMA1.EHE. ML:1.9 0.0008415 0.14 AML other m 2021-11-19T11:51:25.43
IV.LNSS.HHN. ML:1.4 0.00016149999999999997 0.14 AML other m 2021-11-19T11:51:27.56
IV.LNSS.HHE. ML:1.4 0.00014700000000000002 0.38 AML other m 2021-11-19T11:51:27.76
IV.NRCA.HHN. ML:1.4 0.0000931 1.36 AML other m 2021-11-19T11:51:30.86
IV.NRCA.HHE. ML:1.4 0.00010155 0.82 AML other m 2021-11-19T11:51:31.48
IV.GAVE.EHE. ML:1.4 0.00008285000000000001 0.58 AML other m 2021-11-19T11:51:31.25
IV.GAVE.EHN. ML:1.1 0.000044899999999999994 0.82 AML other m 2021-11-19T11:51:32.29
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