Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 03-12-2021 and time 23:15:29 (UTC) in region 3 km SW Campotosto (AQ)

A magnitude ML 1.9 earthquake occured in region: 3 km SW Campotosto (AQ), on

  • 03-12-2021 23:15:29 (UTC)
  • 04-12-2021 00:15:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5420, 13.3380 at 16 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
Campotosto AQ 3 542 542
Capitignano AQ 4 665 1207
Montereale AQ 8 2581 3788
Amatrice RI 11 2657 6445
Barete AQ 11 737 7182
Crognaleto TE 12 1297 8479
Pizzoli AQ 12 4326 12805
Cagnano Amiterno AQ 13 1369 14174
Fano Adriano TE 16 296 14470
Cortino TE 17 656 15126
Cittareale RI 17 482 15608
Borbona RI 17 617 16225
Pietracamela TE 18 271 16496
Accumoli RI 19 667 17163
Posta RI 20 694 17857
Scoppito AQ 20 3727 21584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 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 1.9 2021-12-03
23:15:29		 42.5418 13.3377 16 2022-03-30
13:04:33		 Bollettino Sismico Italiano INGV 100275691
Reviewed
Rev100 		ML 1.9 2021-12-03
23:15:28		 42.5458 13.3393 17 2021-12-03
23:21:39		 Sala Sismica INGV-Roma 98107041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-03 23:15:29 ± 0.05
Latitude 42.5418 ± 0.0027
Longitude 13.3377 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100275691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
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) 85
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.83997
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 100275691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-28 16:01:00

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 98107041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-03 23:21:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2021-12-03T23:15:45.01 0.3 undecidable manual P 353 93.24 93 0.1 64
IV.EL6.EHZ. 2021-12-03T23:15:44.41 0.3 undecidable manual P 348 89.4438 93 0.08 65
IV.MC2.EHZ. 2021-12-03T23:15:43.56 0.6 undecidable manual S 344 42.7239 99 0.5 43
IV.GAVE.EHZ. 2021-12-03T23:15:42.31 0.6 undecidable manual S 295 39.8268 99 0.01 48
IV.NRCA.HHZ. 2021-12-03T23:15:41.36 0.6 undecidable manual S 331 37.1295 100 -0.22 47
IV.CESI.HHZ. 2021-12-03T23:15:40.17 0.3 undecidable manual P 326 62.2932 95 0.02 69
IV.FDMO.HHZ. 2021-12-03T23:15:39.39 0.3 undecidable manual P 340 58.497 96 -0.19 67
IV.CSP1.EHZ. 2021-12-03T23:15:39.96 0.3 undecidable manual P 350 61.9935 95 -0.14 68
IV.GUMA.HHZ. 2021-12-03T23:15:39.79 0.3 undecidable manual P 360 57.7977 96 0.33 65
IV.LNSS.HHZ. 2021-12-03T23:15:38.58 0.6 undecidable manual S 286 25.2525 108 0.08 49
IV.T0110.HHZ. 2021-12-03T23:15:38.18 0.3 undecidable manual P 134 49.9167 97 -0.08 69
MN.AQU.HNZ. 2021-12-03T23:15:38.00 1.0 undecidable manual S 165 21.5673 113 0.42 23
IV.MF5.EHZ. 2021-12-03T23:15:38.63 0.3 undecidable manual P 11 50.5161 97 0.29 67
IV.TERO.HHZ. 2021-12-03T23:15:37.92 0.6 undecidable manual S 67 23.5542 110 -0.15 48
IV.VCEL.EHZ. 2021-12-03T23:15:37.74 0.3 undecidable manual P 111 44.3223 98 0.35 67
IV.GIGS.HJZ. 2021-12-03T23:15:37.49 0.3 undecidable manual S 117 21.5673 113 -0.1 73
IV.MTRA.EHZ. 2021-12-03T23:15:37.90 0.6 undecidable manual S 11 24.3534 110 -0.37 46
IV.MC2.EHZ. 2021-12-03T23:15:37.08 0.3 undecidable manual P 344 42.7239 99 -0.08 71
IV.FAGN.HHZ. 2021-12-03T23:15:36.22 0.3 undecidable manual P 147 36.6411 101 -0.02 72
IV.GAVE.EHZ. 2021-12-03T23:15:36.51 0.1 positive manual P 295 39.8268 99 -0.21 92
IV.NRCA.HHZ. 2021-12-03T23:15:36.11 0.1 negative manual P 331 37.1295 100 -0.2 93
IV.RM33.EHZ. 2021-12-03T23:15:35.16 0.3 undecidable manual S 250 10.6782 138 -0.04 75
IV.SMA1.EHZ. 2021-12-03T23:15:35.09 0.6 undecidable manual S 359 9.879 141 0.04 50
MN.AQU.HNZ. 2021-12-03T23:15:34.00 0.3 undecidable manual P 165 21.5673 113 0 74
IV.MTRA.EHZ. 2021-12-03T23:15:34.20 0.3 undecidable manual P 11 24.3534 110 -0.19 72
IV.CAMP.HHZ. 2021-12-03T23:15:34.48 0.3 undecidable manual S 96 5.8941 155 -0.01 77
IV.TERO.HHZ. 2021-12-03T23:15:34.22 0.1 undecidable manual P 67 23.5542 110 -0.06 98
IV.LNSS.HHZ. 2021-12-03T23:15:34.48 0.1 positive manual P 286 25.2525 108 -0.05 98
IV.GIGS.HJZ. 2021-12-03T23:15:33.96 0.3 undecidable manual P 117 21.5673 113 -0.04 74
IV.RM33.EHZ. 2021-12-03T23:15:32.70 0.1 undecidable manual P 250 10.6782 138 0.08 100
IV.SMA1.EHZ. 2021-12-03T23:15:32.66 0.1 negative manual P 359 9.879 141 0.12 99
IV.CAMP.HHZ. 2021-12-03T23:15:32.35 0.1 negative manual P 96 5.8941 155 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.5 0.0003035 0.26 AML other m 2021-12-03T23:15:34.57
IV.CAMP.HHN. ML:1.4 0.00023911975000000002 0.2304 AML other m 2021-12-03T23:15:34.60
IV.RM33.EHN. ML:2.2 0.00136 0.12 AML other m 2021-12-03T23:15:35.19
IV.RM33.HNN. ML:2.2 0.0013631345 0.1152 AML other m 2021-12-03T23:15:35.25
IV.RM33.HNE. ML:2.1 0.001175 0.12 AML other m 2021-12-03T23:15:35.42
IV.RM33.EHE. ML:2.1 0.001140879 0.1152 AML other m 2021-12-03T23:15:35.42
IV.SMA1.EHE. ML:1.7 0.0005291314499999999 0.2176 AML other m 2021-12-03T23:15:35.76
IV.SMA1.EHN. ML:1.5 0.0002815341 0.2688 AML other m 2021-12-03T23:15:36.34
IV.MTRA.HNN. ML:1.6 0.00021976659999999997 0.128 AML other m 2021-12-03T23:15:38.08
IV.MTRA.EHN. ML:1.6 0.00019256600000000003 0.1152 AML other m 2021-12-03T23:15:38.08
IV.TERO.HHN. ML:2.0 0.0004881086 0.0768 AML other m 2021-12-03T23:15:38.21
IV.TERO.HNN. ML:2.0 0.00055036405 0.064 AML other m 2021-12-03T23:15:38.18
IV.TERO.HNE. ML:2.0 0.00049723485 0.0768 AML other m 2021-12-03T23:15:38.23
IV.TERO.HHE. ML:2.1 0.0007201391 0.2304 AML other m 2021-12-03T23:15:38.32
IV.MTRA.HNE. ML:1.7 0.000254472 0.2176 AML other m 2021-12-03T23:15:38.44
IV.MTRA.EHE. ML:1.6 0.0002415 0.22 AML other m 2021-12-03T23:15:38.45
IV.LNSS.HHE. ML:1.9 0.00046100000000000004 0.16 AML other m 2021-12-03T23:15:38.70
IV.LNSS.HNE. ML:1.9 0.00045488289999999997 0.1792 AML other m 2021-12-03T23:15:38.79
IV.LNSS.HHN. ML:1.9 0.00037664824999999997 0.2048 AML other m 2021-12-03T23:15:38.84
IV.GUMA.HHE. ML:2.1 0.00027421635 0.1312 AML other m 2021-12-03T23:15:40.17
IV.GUMA.HNE. ML:2.1 0.00025633955000000004 0.8608 AML other m 2021-12-03T23:15:40.26
IV.LNSS.HNN. ML:1.9 0.00038868645 0.2816 AML other m 2021-12-03T23:15:40.76
IV.GUMA.HNN. ML:2.0 0.00019192165 0.9984 AML other m 2021-12-03T23:15:41.11
IV.NRCA.HNN. ML:2.2 0.0005409700000000001 0.128 AML other m 2021-12-03T23:15:41.57
IV.NRCA.HHE. ML:2.4 0.0008049999999999999 0.14 AML other m 2021-12-03T23:15:41.64
IV.NRCA.HNE. ML:2.3 0.000723 0.14 AML other m 2021-12-03T23:15:41.64
IV.NRCA.HHN. ML:2.2 0.0005455 1.14 AML other m 2021-12-03T23:15:42.59
IV.GAVE.HNN. ML:1.9 0.00028739355 0.5888 AML other m 2021-12-03T23:15:42.48
IV.GAVE.EHN. ML:2.1 0.00042348399999999996 0.2816 AML other m 2021-12-03T23:15:42.46
IV.GAVE.HNE. ML:2.1 0.0004335 0.14 AML other m 2021-12-03T23:15:42.54
IV.GAVE.EHE. ML:2.1 0.0003985 0.16 AML other m 2021-12-03T23:15:42.54
IV.T0110.HHN. ML:1.6 0.00009378867499999999 0.8096 AML other m 2021-12-03T23:15:42.70
IV.MF5.EHN. ML:1.9 0.00018853520000000002 1.6 AML other m 2021-12-03T23:15:43.90
IV.FAGN.HHE. ML:1.6 0.00015099999999999998 0.28 AML other m 2021-12-03T23:15:44.05
IV.FAGN.HHN. ML:1.6 0.00014531735000000002 0.3584 AML other m 2021-12-03T23:15:44.54
IV.MC2.EHN. ML:1.8 0.000216670665 0.1536 AML other m 2021-12-03T23:15:45.74
IV.GUMA.HHN. ML:1.9 0.0001773364 0.6688 AML other m 2021-12-03T23:15:46.09
IV.MC2.EHE. ML:1.8 0.00018999963 0.1792 AML other m 2021-12-03T23:15:46.77
IV.EL6.EHE. ML:2.1 0.00014439679 1.7728 AML other m 2021-12-03T23:15:48.91
IV.FDMO.HHN. ML:1.5 0.0000579594165 0.1536 AML other m 2021-12-03T23:15:48.42
IV.CESI.HNN. ML:1.9 0.00013987184999999998 0.6528 AML other m 2021-12-03T23:15:49.20
IV.FDMO.HHE. ML:1.3 0.00004734168499999999 0.1408 AML other m 2021-12-03T23:15:49.46
IV.CESI.HHN. ML:1.5 0.000059791705 1.5776 AML other m 2021-12-03T23:15:50.19
IV.T0110.HHE. ML:1.4 0.00006640614 0.3072 AML other m 2021-12-03T23:15:52.01
IV.MF5.EHE. ML:2.0 0.00026938565000000003 0.2208 AML other m 2021-12-03T23:15:52.75
IV.VCEL.EHE. ML:1.8 0.00019238885 0.6304 AML other m 2021-12-03T23:15:55.60
IV.VCEL.EHN. ML:2.1 0.0003412606 0.1824 AML other m 2021-12-03T23:15:57.46
IV.CESI.HNE. ML:1.8 0.00012093565000000001 0.5888 AML other m 2021-12-03T23:15:59.08
IV.CSP1.EHN. ML:1.8 0.000126991125 1.0368 AML other m 2021-12-03T23:15:59.28
IV.CESI.HHE. ML:1.5 0.000061885585 0.4768 AML other m 2021-12-03T23:16:06.51
IV.CSP1.EHE. ML:1.8 0.00011111091000000001 1.3184 AML other m 2021-12-03T23:16:06.94
IV.EL6.EHN. ML:2.0 0.00012051244999999999 0.272 AML other m 2021-12-03T23:16:18.95
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