Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 01-12-2022 and time 03:21:37 (UTC) in region 7 km N L'Aquila (AQ)

A magnitude ML 1.2 earthquake occured in region: 7 km N L'Aquila (AQ), on

  • 01-12-2022 03:21:37 (UTC)
  • 01-12-2022 04:21:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4150, 13.3780 at 9 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
Pizzoli AQ 7 4326 4326
L'Aquila AQ 7 69753 74079
Barete AQ 9 737 74816
Scoppito AQ 11 3727 78543
Capitignano AQ 13 665 79208
Cagnano Amiterno AQ 14 1369 80577
Lucoli AQ 14 1011 81588
Tornimparte AQ 15 3187 84775
Campotosto AQ 16 542 85317
Fossa AQ 16 721 86038
Ocre AQ 16 1167 87205
Montereale AQ 16 2581 89786
Poggio Picenze AQ 17 1136 90922
Crognaleto TE 17 1297 92219
Sant'Eusanio Forconese AQ 18 394 92613
Pietracamela TE 19 271 92884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 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 1.2 2022-12-01
03:21:37		 42.4147 13.3783 9 2024-03-01
15:28:26		 Bollettino Sismico Italiano INGV 118270231
Reviewed
Rev100 		ML 1.2 2022-12-01
03:21:37		 42.4145 13.3793 10 2022-12-01
03:46:47		 Sala Sismica INGV-Roma 112401381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-01 03:21:37 ± 0.05
Latitude 42.4147 ± 0.0027
Longitude 13.3783 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118270231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 112401381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-01 03:46:47

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 118270231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-10 12:46:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2022-12-01T03:21:54.02 0.6 undecidable manual S 335 51.2154 50 0.29 44
IV.VCEL.EHZ. 2022-12-01T03:21:50.67 0.6 undecidable manual S 93 37.9287 50 0.5 43
IV.T0110.HHZ. 2022-12-01T03:21:50.64 0.6 undecidable manual S 122 38.5281 50 0.3 45
IV.LNSS.HHZ. 2022-12-01T03:21:49.57 0.6 undecidable manual S 307 34.6431 50 0.27 45
IV.FIAM.HHZ. 2022-12-01T03:21:47.05 0.3 undecidable manual S 233 26.8509 109 -0.06 72
IV.TERO.HHZ. 2022-12-01T03:21:47.30 0.3 undecidable manual S 39 29.5482 50 -0.64 62
IV.NRCA.HHZ. 2022-12-01T03:21:46.61 0.3 undecidable manual P 335 51.2154 50 -0.14 68
IV.SMA1.EHZ. 2022-12-01T03:21:46.31 0.3 undecidable manual S 352 24.2535 111 0.08 72
IV.FAGN.HHZ. 2022-12-01T03:21:46.10 0.3 undecidable manual S 134 23.5542 112 0.07 72
IV.T0110.HHZ. 2022-12-01T03:21:44.89 0.3 undecidable manual P 122 38.5281 50 0.09 70
IV.RM33.EHZ. 2022-12-01T03:21:44.06 0.3 undecidable manual S 308 16.9719 119 0.09 72
IV.LNSS.HHZ. 2022-12-01T03:21:44.11 0.3 undecidable manual P 307 34.6431 50 -0.08 70
IV.VCEL.EHZ. 2022-12-01T03:21:44.66 0.3 undecidable manual P 93 37.9287 50 -0.04 71
IV.GIGS.HHZ. 2022-12-01T03:21:43.83 0.3 undecidable manual S 75 16.4724 120 0.02 73
IV.TERO.HHZ. 2022-12-01T03:21:43.01 0.3 undecidable manual P 39 29.5482 50 -0.4 66
IV.CAMP.HHZ. 2022-12-01T03:21:43.13 0.6 undecidable manual S 11 13.6752 125 0.15 48
IV.SMA1.EHZ. 2022-12-01T03:21:42.40 0.3 undecidable manual P 352 24.2535 111 -0.02 73
IV.FAGN.HHZ. 2022-12-01T03:21:42.45 0.3 undecidable manual P 134 23.5542 112 0.14 71
IV.FIAM.HHZ. 2022-12-01T03:21:42.82 0.1 undecidable manual P 233 26.8509 109 -0.11 95
IV.GIGS.HHZ. 2022-12-01T03:21:41.05 0.1 undecidable manual P 75 16.4724 120 0.03 98
MN.AQU.HNZ. 2022-12-01T03:21:41.00 0.3 undecidable manual S 162 7.0929 143 -0.3 70
IV.RM33.EHZ. 2022-12-01T03:21:41.18 0.1 undecidable manual P 308 16.9719 119 0.06 97
IV.CAMP.HHZ. 2022-12-01T03:21:40.64 0.1 undecidable manual P 11 13.6752 125 0.09 97
MN.AQU.HNZ. 2022-12-01T03:21:39.58 0.1 undecidable manual P 162 7.0929 143 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:1.1 0.00010899999999999999 1.78 AML other m 2022-12-01T03:21:43.92
IV.RM33.EHE. ML:1.2 0.00012465000000000002 1.46 AML other m 2022-12-01T03:21:44.73
IV.CAMP.HHN. ML:1.0 0.00010564999999999999 1.18 AML other m 2022-12-01T03:21:44.60
IV.RM33.EHN. ML:1.1 0.0001114 0.72 AML other m 2022-12-01T03:21:44.53
IV.GIGS.HHN. ML:0.7 0.000044999999999999996 1.08 AML other m 2022-12-01T03:21:44.91
IV.CAMP.HHE. ML:0.9 0.00008625 0.48 AML other m 2022-12-01T03:21:45.02
IV.FAGN.HHN. ML:1.4 0.00017449999999999999 0.28 AML other m 2022-12-01T03:21:47.65
IV.FAGN.HHE. ML:1.5 0.000191 1.56 AML other m 2022-12-01T03:21:50.95
IV.TERO.HHN. ML:1.2 0.00008745 0.42 AML other m 2022-12-01T03:21:50.47
IV.FIAM.HHE. ML:1.2 0.00009535 0.58 AML other m 2022-12-01T03:21:50.09
IV.FIAM.HHN. ML:1.2 0.00008199999999999999 0.54 AML other m 2022-12-01T03:21:51.35
IV.TERO.HHE. ML:1.2 0.00007135 0.42 AML other m 2022-12-01T03:21:51.33
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