Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-03-2023 and time 17:08:27 (Italy) in region 8 km N Cittareale (RI)

A magnitude ML 1.6 earthquake occured in region: 8 km N Cittareale (RI), on

  • 03-03-2023 16:08:27 (UTC)
  • 03-03-2023 17:08:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6840, 13.1380 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.

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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
Cittareale RI 8 482 482
Accumoli RI 9 667 1149
Cascia PG 11 3217 4366
Norcia PG 13 4957 9323
Amatrice RI 14 2657 11980
Monteleone di Spoleto PG 16 599 12579
Arquata del Tronto AP 16 1178 13757
Poggiodomo PG 17 117 13874
Posta RI 18 694 14568
Borbona RI 19 617 15185
Leonessa RI 20 2435 17620
Montereale AQ 20 2581 20201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
47 Km W of Teramo (54892 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
92 Km W of Chieti (51815 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 1.6 2023-03-03
16:08:27		 42.6842 13.1378 10 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115471751
Reviewed
Rev100 		ML 1.8 2023-03-03
16:08:27		 42.6832 13.1287 11 2023-03-03
16:30:51		 Sala Sismica INGV-Roma 114968301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-03 16:08:27 ± 0.05
Latitude 42.6842 ± 0.0027
Longitude 13.1378 ± 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 115471751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.64481
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 115471751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-17 13:59:21

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 114968301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-03 16:30:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2023-03-03T16:08:44.03 0.6 undecidable manual S 286 48.1185 50 0.89 37
IV.GUMA.HHZ. 2023-03-03T16:08:43.17 0.6 undecidable manual S 21 44.9217 50 0.88 37
IV.MML1.EHZ. 2023-03-03T16:08:43.99 0.6 undecidable manual S 344 49.5171 50 0.48 43
IV.CSP1.EHZ. 2023-03-03T16:08:42.46 0.6 undecidable manual S 7 45.5211 50 0.01 48
IV.MF5.EHZ. 2023-03-03T16:08:42.61 0.6 undecidable manual S 38 42.624 50 0.93 36
IV.CESI.HHZ. 2023-03-03T16:08:41.34 0.6 undecidable manual S 332 40.3263 50 0.28 46
IV.GIGS.HHZ. 2023-03-03T16:08:41.67 0.6 undecidable manual S 126 43.8228 50 -0.32 45
IV.TERO.HHZ. 2023-03-03T16:08:40.16 0.6 undecidable manual S 100 38.628 50 -0.45 44
IV.FDMO.HHZ. 2023-03-03T16:08:40.85 0.6 undecidable manual S 354 39.3273 50 0.06 48
IV.EL6.EHZ. 2023-03-03T16:08:40.23 0.1 undecidable manual P 358 71.5728 50 0.02 91
IV.FEMA.HNZ. 2023-03-03T16:08:39.04 0.6 undecidable manual S 347 31.6461 50 0.29 46
IV.ARRO.EHZ. 2023-03-03T16:08:38.32 0.6 undecidable manual S 249 32.5452 50 -0.66 41
IV.MC2.EHZ. 2023-03-03T16:08:37.26 0.3 undecidable manual S 9 25.5522 50 0.14 72
IV.MMO1.EHZ. 2023-03-03T16:08:37.72 0.3 undecidable manual S 33 28.3494 50 -0.16 72
IV.CAMP.HHZ. 2023-03-03T16:08:37.54 0.6 undecidable manual S 127 27.5502 50 -0.12 48
7F.SIB1.EHZ. 2023-03-03T16:08:37.09 0.6 undecidable manual S 25 25.752 50 -0.07 49
IV.MML1.EHZ. 2023-03-03T16:08:36.81 0.1 positive manual P 344 49.5171 50 0 95
IV.GIGS.HHZ. 2023-03-03T16:08:36.01 0.1 undecidable manual P 126 43.8228 50 0.08 95
IV.MF5.EHZ. 2023-03-03T16:08:36.16 0.3 undecidable manual P 38 42.624 50 0.41 66
7F.SIB3.EHZ. 2023-03-03T16:08:36.16 0.6 undecidable manual S 27 23.754 113 -0.45 45
IV.CSP1.EHZ. 2023-03-03T16:08:36.06 0.1 positive manual P 7 45.5211 50 -0.14 93
IV.GUMA.HHZ. 2023-03-03T16:08:36.36 0.1 undecidable manual P 21 44.9217 50 0.26 91
7F.SIB2.EHZ. 2023-03-03T16:08:36.99 0.6 undecidable manual S 30 26.6511 50 -0.42 45
IV.FIAM.HHZ. 2023-03-03T16:08:36.09 0.1 positive manual P 182 46.2204 50 -0.2 92
IV.MOMA.HHZ. 2023-03-03T16:08:36.75 0.3 undecidable manual P 286 48.1185 50 0.16 69
IV.MTRA.HNZ. 2023-03-03T16:08:35.88 0.6 undecidable manual S 69 22.5552 114 -0.35 46
IV.TERO.HHZ. 2023-03-03T16:08:35.12 0.1 undecidable manual P 100 38.628 50 -0.01 97
IV.GAVE.EHZ. 2023-03-03T16:08:35.16 0.1 undecidable manual S 273 19.869 117 -0.23 96
IV.FDMO.HHZ. 2023-03-03T16:08:35.02 0.1 positive manual P 354 39.3273 50 -0.21 93
IV.RM33.EHZ. 2023-03-03T16:08:35.61 0.3 undecidable manual S 162 20.4684 116 0.05 74
IV.CESI.HHZ. 2023-03-03T16:08:35.20 0.1 undecidable manual P 332 40.3263 50 -0.19 93
IV.NRCA.HHZ. 2023-03-03T16:08:34.20 0.3 undecidable manual S 353 16.6722 121 -0.22 72
IV.SMA1.EHZ. 2023-03-03T16:08:34.95 0.3 undecidable manual S 110 17.1717 121 0.38 70
IV.ARRO.EHZ. 2023-03-03T16:08:33.92 0.1 undecidable manual P 249 32.5452 50 -0.27 93
7F.SIB1.EHZ. 2023-03-03T16:08:33.04 0.1 positive manual P 25 25.752 50 -0.1 97
IV.MC2.EHZ. 2023-03-03T16:08:33.06 0.1 positive manual P 9 25.5522 50 -0.05 98
IV.MMO1.EHZ. 2023-03-03T16:08:33.43 0.1 positive manual P 33 28.3494 50 -0.12 96
IV.LNSS.HHZ. 2023-03-03T16:08:33.33 0.3 undecidable manual S 221 12.0768 130 0.22 73
IV.CAMP.HHZ. 2023-03-03T16:08:33.46 1.0 undecidable manual P 127 27.5502 50 0.03 25
IV.FEMA.HNZ. 2023-03-03T16:08:33.91 0.1 undecidable manual P 347 31.6461 50 -0.14 95
7F.SIB2.EHZ. 2023-03-03T16:08:33.09 0.1 positive manual P 30 26.6511 50 -0.19 95
IV.RM33.EHZ. 2023-03-03T16:08:32.26 0.1 positive manual P 162 20.4684 116 0.05 99
IV.MTRA.HNZ. 2023-03-03T16:08:32.53 0.1 undecidable manual P 69 22.5552 114 -0.07 98
7F.SIB3.EHZ. 2023-03-03T16:08:32.64 0.1 positive manual P 27 23.754 113 -0.18 96
IV.GAVE.EHZ. 2023-03-03T16:08:32.10 0.1 positive manual P 273 19.869 117 -0.01 100
IV.LNSS.HHZ. 2023-03-03T16:08:31.09 0.1 positive manual P 221 12.0768 130 0.29 96
IV.NRCA.HHZ. 2023-03-03T16:08:31.60 0.1 positive manual P 353 16.6722 121 0.05 100
IV.SMA1.EHZ. 2023-03-03T16:08:31.98 0.1 negative manual P 110 17.1717 121 0.34 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:2.0 0.0012850000000000001 1.02 AML other m 2023-03-03T16:08:33.92
IV.LNSS.HNN. ML:2.0 0.00111 1.04 AML other m 2023-03-03T16:08:33.41
IV.LNSS.HHE. ML:2.0 0.001125 0.46 AML other m 2023-03-03T16:08:33.68
IV.LNSS.HNE. ML:2.0 0.0010509999999999999 0.46 AML other m 2023-03-03T16:08:33.68
IV.NRCA.HNN. ML:2.0 0.0009824999999999999 0.12 AML other m 2023-03-03T16:08:34.45
IV.NRCA.HNE. ML:2.3 0.00175 0.18 AML other m 2023-03-03T16:08:34.43
IV.NRCA.HHE. ML:2.3 0.0018399999999999998 0.18 AML other m 2023-03-03T16:08:34.43
IV.NRCA.HHN. ML:2.1 0.0010805 0.18 AML other m 2023-03-03T16:08:34.45
IV.SMA1.EHE. ML:1.9 0.0007095000000000001 0.34 AML other m 2023-03-03T16:08:35.45
IV.SMA1.EHN. ML:1.8 0.0006115000000000001 0.32 AML other m 2023-03-03T16:08:35.52
IV.GAVE.EHE. ML:1.8 0.0004145 0.66 AML other m 2023-03-03T16:08:35.62
IV.GAVE.EHN. ML:1.8 0.000522 0.58 AML other m 2023-03-03T16:08:35.50
IV.RM33.EHN. ML:1.7 0.000341 1.74 AML other m 2023-03-03T16:08:35.01
IV.RM33.EHE. ML:1.7 0.00033150000000000003 1.12 AML other m 2023-03-03T16:08:36.32
IV.MMO1.EHE. ML:1.5 0.000177 1.46 AML other m 2023-03-03T16:08:37.22
IV.MMO1.EHN. ML:1.7 0.00027600000000000004 0.98 AML other m 2023-03-03T16:08:38.03
IV.MC2.EHE. ML:1.8 0.000357 0.68 AML other m 2023-03-03T16:08:38.34
IV.ARRO.EHE. ML:1.3 0.00009685 1.82 AML other m 2023-03-03T16:08:40.01
IV.MC2.EHN. ML:1.9 0.000515 1.36 AML other m 2023-03-03T16:08:40.81
IV.ARRO.EHN. ML:1.4 0.00011649999999999999 0.18 AML other m 2023-03-03T16:08:40.25
IV.FDMO.HHN. ML:1.4 0.00008245 0.34 AML other m 2023-03-03T16:08:41.07
IV.TERO.HHN. ML:1.5 0.00011429999999999999 1.84 AML other m 2023-03-03T16:08:41.07
IV.TERO.HHE. ML:1.4 0.00008615000000000001 0.08 AML other m 2023-03-03T16:08:41.10
IV.CESI.HHN. ML:1.4 0.00008964841 1.632 AML other m 2023-03-03T16:08:41.96
IV.FDMO.HHE. ML:1.2 0.00006120000000000001 0.14 AML other m 2023-03-03T16:08:42.03
IV.CESI.HHE. ML:1.3 0.000069831695 0.2848 AML other m 2023-03-03T16:08:42.19
IV.CAMP.HHN. ML:1.1 0.00006277990499999999 0.2816 AML other m 2023-03-03T16:08:37.74
IV.CAMP.HHE. ML:1.1 0.000064272725 0.2304 AML other m 2023-03-03T16:08:37.67
IV.CSP1.EHE. ML:1.6 0.000125767 0.3328 AML other m 2023-03-03T16:08:43.84
IV.CSP1.EHN. ML:1.6 0.00012026517500000001 0.1792 AML other m 2023-03-03T16:08:44.19
IV.FIAM.HHE. ML:1.3 0.000052830830000000005 0.192 AML other m 2023-03-03T16:08:43.90
IV.FIAM.HHN. ML:0.9 0.00002731072 0.1664 AML other m 2023-03-03T16:08:43.16
IV.GUMA.HHE. ML:1.8 0.00016762175 0.2176 AML other m 2023-03-03T16:08:44.65
IV.GUMA.HHN. ML:1.9 0.00025143119999999995 0.2176 AML other m 2023-03-03T16:08:43.95
IV.MOMA.HHN. ML:1.1 0.00003560953 0.192 AML other m 2023-03-03T16:08:44.91
IV.MOMA.HHE. ML:1.5 0.00007940475999999999 0.192 AML other m 2023-03-03T16:08:46.17
IV.MML1.EHE. ML:1.1 0.00003388511 0.1664 AML other m 2023-03-03T16:08:44.88
IV.MML1.EHN. ML:1.5 0.00008037856000000001 0.1664 AML other m 2023-03-03T16:08:45.09
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