Earthquake with magnitude of ML 1.7 on date 19-11-2021 and time 04:49:52 (UTC) in region 3 km N Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km N Accumoli (RI), on

  • 19-11-2021 04:49:52 (UTC)
  • 19-11-2021 05:49:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7250, 13.2450 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 3 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 14 482 4984
Acquasanta Terme AP 14 2916 7900
Norcia PG 15 4957 12857
Montegallo AP 15 523 13380
Cascia PG 19 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 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 1.7 2021-11-19
04:49:52
42.7253 13.2447 10 2022-03-30
13:04:19
Bollettino Sismico Italiano INGV 98013651
Reviewed
Rev100
ML 1.7 2021-11-19
04:49:52
42.7325 13.2405 10 2021-11-19
04:54:30
Sala Sismica INGV-Roma 97578171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-19 04:49:52 ± 0.06
Latitude 42.7253 ± 0.0027
Longitude 13.2447 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98013651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65111
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 98013651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-20 08:12:52

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 97578171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-19 04:54:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2021-11-19T04:50:25.88 3.0 undecidable manual S -3.07 0
IV.CING.HHZ. 2021-11-19T04:50:15.16 0.6 undecidable manual S 357 72.2721 50 0.4 42
IV.EL6.EHZ. 2021-11-19T04:50:14.44 0.6 undecidable manual S 350 67.9764 50 0.81 37
IV.LAV9.HHZ. 2021-11-19T04:50:11.49 3.0 negative manual P -2.23 0
IV.MML1.EHZ. 2021-11-19T04:50:08.47 0.3 undecidable manual S 333 48.4182 50 0.06 71
IV.GUMA.HHZ. 2021-11-19T04:50:06.15 0.1 undecidable manual S 11 38.1285 50 0.49 88
IV.CESI.HHZ. 2021-11-19T04:50:06.54 0.1 undecidable manual S 318 41.5251 50 -0.03 97
IV.MF5.EHZ. 2021-11-19T04:50:05.17 0.3 undecidable manual S 31 33.9438 50 0.62 63
IV.GIGS.HHN. 2021-11-19T04:50:05.86 0.6 undecidable manual S 138 40.3263 50 -0.4 45
IV.FDMO.HHZ. 2021-11-19T04:50:05.00 0.3 undecidable manual S 340 36.8298 50 -0.31 69
IV.CING.HHZ. 2021-11-19T04:50:05.96 0.6 undecidable manual P 357 72.2721 50 0.47 42
IT.MTCL.HGZ. 2021-11-19T04:50:04.72 0.6 undecidable manual S 326 35.8419 50 -0.33 46
IV.EL6.EHZ. 2021-11-19T04:50:04.68 0.3 undecidable manual P 350 67.9764 50 -0.16 67
IV.GAVE.EHZ. 2021-11-19T04:50:03.07 0.6 undecidable manual S 263 28.8489 50 -0.1 49
IV.TERO.HHZ. 2021-11-19T04:50:03.85 0.6 undecidable manual S 111 31.4463 50 -0.02 49
IV.ASCOL.EHN. 2021-11-19T04:50:03.27 0.6 undecidable manual S 63 31.3464 50 -0.58 43
IV.MNTT.EHZ. 2021-11-19T04:50:02.23 0.3 undecidable manual P 37 47.0196 50 0.63 62
IV.MML1.EHZ. 2021-11-19T04:50:01.59 0.1 undecidable manual P 333 48.4182 50 -0.23 91
IV.CAMP.HHE. 2021-11-19T04:50:01.96 0.6 undecidable manual S 147 24.9528 50 -0.18 48
IV.RM33.EHZ. 2021-11-19T04:50:01.95 0.6 undecidable manual S 186 24.1536 113 0.03 50
IV.CESI.HHZ. 2021-11-19T04:50:00.61 0.1 undecidable manual P 318 41.5251 50 -0.15 94
IV.MMO1.EHZ. 2021-11-19T04:50:00.42 0.1 undecidable manual S 19 20.4684 117 -0.33 94
IV.MC2.EHZ. 2021-11-19T04:50:00.93 0.3 undecidable manual S 348 21.1677 116 -0.04 75
IV.GIGS.HHN. 2021-11-19T04:50:00.28 0.1 undecidable manual P 138 40.3263 50 -0.3 91
IV.GUMA.HHZ. 2021-11-19T04:50:00.35 0.1 undecidable manual P 11 38.1285 50 0.11 95
IT.MTCL.HGZ. 2021-11-19T04:49:59.64 0.1 undecidable manual P 326 35.8419 50 -0.25 93
IV.NRCA.HNZ. 2021-11-19T04:49:59.27 0.3 undecidable manual S 319 15.9729 122 -0.15 74
IV.MF5.EHZ. 2021-11-19T04:49:59.73 0.1 undecidable manual P 31 33.9438 50 0.14 96
IV.FDMO.HHZ. 2021-11-19T04:49:59.73 0.1 undecidable manual P 340 36.8298 50 -0.3 92
IV.CAMP.HHE. 2021-11-19T04:49:58.18 0.1 undecidable manual P 147 24.9528 50 -0.03 100
IV.RM33.EHZ. 2021-11-19T04:49:58.25 0.3 undecidable manual P 186 24.1536 113 0.17 73
IV.ASCOL.EHN. 2021-11-19T04:49:58.92 0.3 undecidable manual P 63 31.3464 50 -0.28 70
IV.MTRA.EHZ. 2021-11-19T04:49:58.31 0.3 undecidable manual S 74 12.876 128 -0.22 73
IV.GAVE.EHZ. 2021-11-19T04:49:58.87 0.1 undecidable manual P 263 28.8489 50 0.07 98
IV.TERO.HHZ. 2021-11-19T04:49:58.99 0.3 undecidable manual P 111 31.4463 50 -0.22 71
IV.SMA1.EHZ. 2021-11-19T04:49:58.75 0.3 undecidable manual S 145 12.876 128 0.22 73
IV.MMO1.EHZ. 2021-11-19T04:49:57.27 0.3 undecidable manual P 19 20.4684 117 -0.14 73
IV.LNSS.HHZ. 2021-11-19T04:49:57.87 0.1 undecidable manual P 231 21.4674 115 0.27 95
IV.MC2.EHZ. 2021-11-19T04:49:57.53 0.3 negative manual P 348 21.1677 116 0 75
IV.SMA1.EHZ. 2021-11-19T04:49:56.53 0.1 negative manual P 145 12.876 128 0.41 94
IV.NRCA.HNZ. 2021-11-19T04:49:56.72 0.1 undecidable manual P 319 15.9729 122 0.09 100
IV.MTRA.EHZ. 2021-11-19T04:49:56.24 0.6 undecidable manual P 74 12.876 128 0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.8 0.00075 0.9 AML other m 2021-11-19T04:49:58.43
IV.MTRA.EHN. ML:1.9 0.000883 0.16 AML other m 2021-11-19T04:49:58.42
IV.MTRA.HNN. ML:1.9 0.0008824999999999999 0.16 AML other m 2021-11-19T04:49:58.42
IV.SMA1.EHE. ML:1.7 0.000494 0.32 AML other m 2021-11-19T04:49:59.00
IV.MTRA.EHE. ML:1.8 0.0007909999999999999 1.56 AML other m 2021-11-19T04:49:59.10
IV.NRCA.HHN. ML:1.8 0.0006045 0.12 AML other m 2021-11-19T04:49:59.38
IV.NRCA.HNN. ML:1.8 0.000563 0.12 AML other m 2021-11-19T04:49:59.39
IV.NRCA.HHE. ML:2.0 0.0008015 0.14 AML other m 2021-11-19T04:49:59.36
IV.NRCA.HNE. ML:1.9 0.0007635000000000001 0.14 AML other m 2021-11-19T04:49:59.37
IV.SMA1.EHN. ML:1.5 0.0003525 0.74 AML other m 2021-11-19T04:49:59.99
IV.MMO1.EHN. ML:1.6 0.000258 0.06 AML other m 2021-11-19T04:50:00.50
IV.MMO1.EHE. ML:1.7 0.00035299999999999996 0.16 AML other m 2021-11-19T04:50:00.55
IV.MC2.EHN. ML:1.9 0.0005605 1 AML other m 2021-11-19T04:50:02.07
IV.LNSS.HHE. ML:1.4 0.0001895 1.02 AML other m 2021-11-19T04:50:02.87
IV.RM33.EHN. ML:1.4 0.00014950000000000003 1.06 AML other m 2021-11-19T04:50:02.57
IV.LNSS.HHN. ML:1.3 0.000141 0.58 AML other m 2021-11-19T04:50:02.95
IV.MC2.EHE. ML:1.9 0.0005369999999999999 0.22 AML other m 2021-11-19T04:50:02.83
IV.RM33.EHE. ML:1.6 0.000243 0.88 AML other m 2021-11-19T04:50:02.85
IV.GAVE.EHN. ML:1.9 0.0003735 0.3 AML other m 2021-11-19T04:50:03.76
IV.GAVE.EHE. ML:1.5 0.00016749999999999998 0.14 AML other m 2021-11-19T04:50:04.00
IV.TERO.HHN. ML:1.4 0.00011305 0.78 AML other m 2021-11-19T04:50:04.14
IV.FDMO.HHN. ML:1.3 0.0000781 0.26 AML other m 2021-11-19T04:50:05.24
IV.GUMA.HHE. ML:2.1 0.0005110000000000001 0.28 AML other m 2021-11-19T04:50:06.37
IV.GUMA.HHN. ML:1.9 0.00028349999999999995 0.46 AML other m 2021-11-19T04:50:06.62
IV.FDMO.HHE. ML:1.2 0.00005305 1.08 AML other m 2021-11-19T04:50:07.91
IV.CESI.HHN. ML:1.3 0.0000707 1.32 AML other m 2021-11-19T04:50:07.88
IV.CESI.HHE. ML:1.1 0.000046200000000000005 0.7 AML other m 2021-11-19T04:50:10.48
IV.TERO.HHE. ML:1.9 0.000397 0.56 AML other m 2021-11-19T04:50:14.53
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