Earthquake with magnitude of ML 1.4 on date 24-03-2023 and time 06:50:40 (Italy) in region 6 km W Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 6 km W Accumoli (RI), on

  • 24-03-2023 05:50:40 (UTC)
  • 24-03-2023 06:50:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7210, 13.1780 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 6 667 667
Norcia PG 11 4957 5624
Arquata del Tronto AP 11 1178 6802
Cittareale RI 12 482 7284
Cascia PG 13 3217 10501
Amatrice RI 14 2657 13158
Montegallo AP 19 523 13681
Castelsantangelo sul Nera MC 20 281 13962
Acquasanta Terme AP 20 2916 16878
Poggiodomo PG 20 117 16995
Monteleone di Spoleto PG 20 599 17594

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 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)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Pescara (121014 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
91 Km W of Chieti (51815 inhabitants)
94 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
Reviewed
Rev100
ML 1.4 2023-03-24
05:50:40
42.7208 13.178 9 2023-03-24
05:55:08
Sala Sismica INGV-Roma 115683351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-24 05:50:40 ± 0.06
Latitude 42.7208 ± 0.0027
Longitude 13.1780 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115683351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 115683351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-24 05:55:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2023-03-24T05:51:15.71 3.0 undecidable manual S -3.72 0
IV.ARVD.HHZ. 2023-03-24T05:51:08.95 3.0 undecidable manual S 0.03 0
IV.EL6.EHZ. 2023-03-24T05:51:01.99 3.0 undecidable manual S -0.77 0
IV.GUMA.HHZ. 2023-03-24T05:50:54.99 0.6 undecidable manual S 19 40.0266 50 0.64 42
IV.CESI.HHZ. 2023-03-24T05:50:53.82 0.6 undecidable manual S 325 38.5281 50 -0.15 48
IV.FDMO.HHZ. 2023-03-24T05:50:53.04 0.6 undecidable manual S 348 35.742 50 -0.19 48
IV.MOMA.HHZ. 2023-03-24T05:50:50.12 3.0 negative manual P -0.1 0
IV.MMO1.EHZ. 2023-03-24T05:50:49.08 0.6 undecidable manual S 31 23.2545 110 -0.17 49
IV.GAVE.EHZ. 2023-03-24T05:50:49.18 0.6 undecidable manual S 262 23.3544 110 -0.11 50
IV.GIGS.HHZ. 2023-03-24T05:50:48.56 3.0 undecidable manual P -0.32 0
7F.SIB1.EHN. 2023-03-24T05:50:48.54 0.6 undecidable manual S 21 20.6682 113 0.11 50
IV.RM33.EHZ. 2023-03-24T05:50:48.97 0.6 undecidable manual S 173 23.6541 110 -0.43 46
IV.CESI.HHZ. 2023-03-24T05:50:48.12 0.6 undecidable manual P 325 38.5281 50 -0.22 47
IV.MF5.EHZ. 2023-03-24T05:50:48.36 3.0 negative manual P 0.48 0
7F.SIB2.EHZ. 2023-03-24T05:50:48.57 0.6 undecidable manual S 28 21.4674 112 -0.12 50
IV.GUMA.HHZ. 2023-03-24T05:50:48.77 0.6 undecidable manual P 19 40.0266 50 0.2 47
IV.FDMO.HHZ. 2023-03-24T05:50:47.47 1.0 positive manual P 348 35.742 50 -0.44 23
7F.SIB3.EHZ. 2023-03-24T05:50:47.67 0.6 undecidable manual S 24 18.6702 115 -0.12 50
IV.TERO.HHZ. 2023-03-24T05:50:47.51 3.0 undecidable manual P -0.13 0
IV.SMA1.EHZ. 2023-03-24T05:50:47.32 0.6 undecidable manual S 128 16.2726 118 0.28 48
IV.LNSS.HHZ. 2023-03-24T05:50:47.56 0.6 undecidable manual S 221 17.2716 116 0.22 49
IV.NRCA.HHZ. 2023-03-24T05:50:46.23 0.6 undecidable manual S 337 13.5753 122 0.01 51
IV.GAVE.EHZ. 2023-03-24T05:50:45.73 0.1 positive manual P 262 23.3544 110 0.09 100
7F.SIB1.EHN. 2023-03-24T05:50:45.21 0.3 undecidable manual P 21 20.6682 113 0.06 75
IV.RM33.EHZ. 2023-03-24T05:50:45.52 0.1 negative manual P 173 23.6541 110 -0.19 97
IV.MMO1.EHZ. 2023-03-24T05:50:45.58 0.6 negative manual P 31 23.2545 110 -0.04 50
7F.SIB2.EHZ. 2023-03-24T05:50:45.15 0.6 undecidable manual P 28 21.4674 112 -0.14 49
IV.SMA1.EHZ. 2023-03-24T05:50:44.58 1.0 undecidable manual P 128 16.2726 118 0.23 24
IV.LNSS.HHZ. 2023-03-24T05:50:44.69 0.1 positive manual P 221 17.2716 116 0.17 99
7F.SIB3.EHZ. 2023-03-24T05:50:44.70 0.3 undecidable manual P 24 18.6702 115 -0.08 75
IV.NRCA.HHZ. 2023-03-24T05:50:44.02 0.1 negative manual P 337 13.5753 122 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.00028349999999999995 0.14 AML other m 2023-03-24T05:50:46.51
IV.NRCA.HHE. ML:1.5 0.00034399999999999996 0.64 AML other m 2023-03-24T05:50:47.22
IV.SMA1.EHN. ML:1.6 0.0003435 0.46 AML other m 2023-03-24T05:50:47.66
IV.SMA1.EHE. ML:1.5 0.0003105 0.14 AML other m 2023-03-24T05:50:47.86
IV.LNSS.HHN. ML:1.6 0.00039 0.16 AML other m 2023-03-24T05:50:47.99
IV.LNSS.HHE. ML:1.5 0.000258 1.34 AML other m 2023-03-24T05:50:48.81
IV.RM33.EHN. ML:1.0 0.00006309999999999999 0.28 AML other m 2023-03-24T05:50:49.28
IV.RM33.EHE. ML:0.9 0.0000566 0.88 AML other m 2023-03-24T05:50:49.73
IV.MMO1.EHE. ML:1.2 0.0001154 0.7 AML other m 2023-03-24T05:50:49.56
IV.GAVE.EHN. ML:1.4 0.00015849999999999998 1.02 AML other m 2023-03-24T05:50:49.85
IV.MMO1.EHN. ML:1.1 0.00008705 1.16 AML other m 2023-03-24T05:50:50.00
IV.GAVE.EHE. ML:1.3 0.00013700000000000002 1.54 AML other m 2023-03-24T05:50:51.86
IV.TERO.HHN. ML:1.4 0.00010499999999999999 0.06 AML other m 2023-03-24T05:50:52.80
IV.TERO.HHE. ML:1.2 0.00006625 0.36 AML other m 2023-03-24T05:50:52.80
IV.CESI.HHE. ML:1.1 0.00004745 0.16 AML other m 2023-03-24T05:50:54.24
IV.CESI.HHN. ML:1.4 0.0001023 0.38 AML other m 2023-03-24T05:50:54.43
IV.FDMO.HHE. ML:0.9 0.0000331 0.18 AML other m 2023-03-24T05:50:54.47
IV.GUMA.HHE. ML:1.6 0.00014549999999999999 0.24 AML other m 2023-03-24T05:50:55.35
IV.FDMO.HHN. ML:1.0 0.00003935 0.66 AML other m 2023-03-24T05:50:55.87
IV.GUMA.HHN. ML:1.5 0.00009815 1.76 AML other m 2023-03-24T05:50:56.05
IV.EL6.EHE. ML:1.4 0.000039349999999999994 1.58 AML other m 2023-03-24T05:51:03.99
IV.EL6.EHN. ML:1.7 0.00008879999999999999 0.42 AML other m 2023-03-24T05:51:19.44
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