Earthquake with magnitude of ML 0.9 on date 30-12-2022 and time 01:42:27 (Italy) in region 7 km NW Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 30-12-2022 00:42:27 (UTC)
  • 30-12-2022 01:42:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7290, 13.1800 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 7 667 667
Norcia PG 10 4957 5624
Arquata del Tronto AP 11 1178 6802
Cittareale RI 12 482 7284
Cascia PG 14 3217 10501
Amatrice RI 14 2657 13158
Montegallo AP 18 523 13681
Castelsantangelo sul Nera MC 19 281 13962
Acquasanta Terme AP 19 2916 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
47 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
91 Km W of Chieti (51815 inhabitants)
95 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 0.9 2022-12-30
00:42:27
42.7288 13.1803 10 2024-03-01
15:28:19
Bollettino Sismico Italiano INGV 114863451
Reviewed
Rev100
ML 1.2 2022-12-30
00:42:27
42.7293 13.1837 10 2022-12-30
02:34:38
Sala Sismica INGV-Roma 113180881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-30 00:42:27 ± 0.05
Latitude 42.7288 ± 0.0018
Longitude 13.1803 ± 0.0037
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 114863451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 114863451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-27 19:28:53

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 113180881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-30 02:34:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-12-30T00:42:41.55 0.6 undecidable manual S 3 40.3263 50 0.14 47
IV.CESI.HHZ. 2022-12-30T00:42:40.75 0.3 undecidable manual S 324 37.9287 50 -0.03 72
IV.MF5.EHN. 2022-12-30T00:42:40.83 0.6 undecidable manual S 38 36.6411 50 0.4 44
IV.ARRO.EHZ. 2022-12-30T00:42:40.47 0.6 undecidable manual S 244 37.629 50 -0.24 46
IV.TERO.HHZ. 2022-12-30T00:42:39.99 0.3 undecidable manual S 109 36.5412 50 -0.41 66
IV.FDMO.HHZ. 2022-12-30T00:42:39.70 0.6 undecidable manual S 348 34.9428 50 -0.28 46
IV.MMO1.EHZ. 2022-12-30T00:42:36.20 0.6 undecidable manual S 32 22.3554 113 -0.15 48
IV.RM33.EHZ. 2022-12-30T00:42:36.84 0.6 undecidable manual S 173 24.5532 112 -0.21 47
IV.GAVE.EHZ. 2022-12-30T00:42:36.67 0.6 undecidable manual S 260 23.6541 112 -0.1 48
IV.CSP1.EHZ. 2022-12-30T00:42:35.87 0.1 undecidable manual P 3 40.3263 50 0.17 92
IV.MC2.EHZ. 2022-12-30T00:42:35.97 0.3 undecidable manual S 2 20.2686 116 0.28 70
7F.SIB1.EHE. 2022-12-30T00:42:35.57 0.3 undecidable manual S 22 19.7691 116 0.03 74
IV.ARRO.EHZ. 2022-12-30T00:42:35.18 0.3 undecidable manual P 244 37.629 50 -0.11 70
IV.GUMA.HHZ. 2022-12-30T00:42:35.92 0.6 positive manual P 19 39.1275 50 0.41 44
7F.SIB2.EHE. 2022-12-30T00:42:35.65 0.3 undecidable manual S 29 20.6682 115 -0.15 72
IV.LNSS.HHZ. 2022-12-30T00:42:35.12 0.6 undecidable manual S 219 18.0708 118 0.12 49
IV.CESI.HHZ. 2022-12-30T00:42:35.38 1.0 positive manual P 324 37.9287 50 0.05 24
IV.MF5.EHN. 2022-12-30T00:42:35.55 0.1 undecidable manual P 38 36.6411 50 0.42 88
IV.FDMO.HHZ. 2022-12-30T00:42:34.70 0.1 undecidable manual P 348 34.9428 50 -0.17 93
IV.MTRA.EHE. 2022-12-30T00:42:34.81 0.6 undecidable manual S 80 17.871 119 -0.14 48
IV.TERO.HHZ. 2022-12-30T00:42:34.90 0.1 undecidable manual P 109 36.5412 50 -0.21 92
7F.SIB3.EHN. 2022-12-30T00:42:34.65 0.3 undecidable manual S 24 17.7711 119 -0.28 71
IV.SMA1.EHZ. 2022-12-30T00:42:34.69 0.6 undecidable manual S 131 16.6722 120 0.09 49
IV.GAVE.EHZ. 2022-12-30T00:42:33.13 0.6 undecidable manual P 260 23.6541 112 0.11 48
IV.NRCA.HHZ. 2022-12-30T00:42:33.11 0.6 undecidable manual S 335 12.7761 127 -0.36 47
IV.RM33.EHZ. 2022-12-30T00:42:33.07 1.0 negative manual P 173 24.5532 112 -0.11 24
IV.LNSS.HHZ. 2022-12-30T00:42:32.12 0.1 positive manual P 219 18.0708 118 0.12 97
IV.SMA1.EHZ. 2022-12-30T00:42:32.21 0.1 undecidable manual P 131 16.6722 120 0.45 91
IV.MC2.EHZ. 2022-12-30T00:42:32.53 0.1 undecidable manual P 2 20.2686 116 0.14 96
7F.SIB1.EHE. 2022-12-30T00:42:32.37 0.1 undecidable manual P 22 19.7691 116 0.06 98
IV.MMO1.EHZ. 2022-12-30T00:42:32.68 0.6 positive manual P 32 22.3554 113 -0.1 48
7F.SIB2.EHE. 2022-12-30T00:42:32.32 0.1 undecidable manual P 29 20.6682 115 -0.14 96
7F.SIB3.EHN. 2022-12-30T00:42:31.84 0.1 undecidable manual P 24 17.7711 119 -0.11 97
IV.MTRA.EHE. 2022-12-30T00:42:31.96 0.1 undecidable manual P 80 17.871 119 -0.01 99
IV.NRCA.HHZ. 2022-12-30T00:42:31.13 0.1 positive manual P 335 12.7761 127 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.00009655274999999999 0.16 AML other m 2022-12-30T00:42:33.74
IV.NRCA.HHE. ML:1.1 0.00014150000000000002 1.52 AML other m 2022-12-30T00:42:34.02
IV.SMA1.EHN. ML:0.8 0.000049874954999999996 0.3 AML other m 2022-12-30T00:42:35.26
IV.LNSS.HHN. ML:1.3 0.0001585 0.16 AML other m 2022-12-30T00:42:36.21
IV.LNSS.HHE. ML:1.4 0.0001875 0.14 AML other m 2022-12-30T00:42:36.34
IV.SMA1.EHE. ML:0.9 0.00006615 0.36 AML other m 2022-12-30T00:42:40.72
IV.GUMA.HHE. ML:1.6 0.0001265 0.24 AML other m 2022-12-30T00:42:42.47
IV.GUMA.HHN. ML:1.3 0.00006793498 0.38 AML other m 2022-12-30T00:42:42.90
IV.NRCA.HNE. ML:1.1 0.00013027575 0.13 AML other m 2022-12-30T00:42:34.78
IV.NRCA.HNN. ML:1.2 0.0001536151 0.81 AML other m 2022-12-30T00:42:32.58
IV.LNSS.HNN. ML:1.3 0.00017220888500000002 0.17 AML other m 2022-12-30T00:42:36.22
IV.LNSS.HNE. ML:1.4 0.00018716105 0.31 AML other m 2022-12-30T00:42:36.34
IV.MMO1.EHE. ML:0.6 0.0000299328585 0.16 AML other m 2022-12-30T00:42:36.48
IV.MMO1.EHN. ML:0.6 0.000025585865 0.14 AML other m 2022-12-30T00:42:36.77
IV.RM33.EHE. ML:0.7 0.00003161452 0.16 AML other m 2022-12-30T00:42:37.53
IV.RM33.EHN. ML:0.7 0.000029899235 0.28 AML other m 2022-12-30T00:42:37.14
IV.GAVE.EHN. ML:1.0 0.00007165589 0.22 AML other m 2022-12-30T00:42:37.84
IV.GAVE.EHE. ML:1.0 0.000061258195 0.18 AML other m 2022-12-30T00:42:36.97
IV.FDMO.HHN. ML:0.4 0.00001038379175 0.14 AML other m 2022-12-30T00:42:40.32
IV.TERO.HHE. ML:0.8 0.000026262725 0.08 AML other m 2022-12-30T00:42:40.51
IV.TERO.HHN. ML:0.8 0.000026827330000000002 0.1 AML other m 2022-12-30T00:42:40.44
IV.CESI.HHN. ML:0.6 0.0000161480845 0.14 AML other m 2022-12-30T00:42:42.71
IV.CESI.HHE. ML:0.4 0.0000102570325 0.18 AML other m 2022-12-30T00:42:43.00
IV.ARVD.HHE. ML:1.2 0.000020308 0.06 AML other m 2022-12-30T00:42:42.07
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