Earthquake with magnitude of ML 1.1 on date 20-03-2023 and time 19:04:14 (UTC) in region 5 km W Torricella Sicura (TE)

A magnitude ML 1.1 earthquake occured in region: 5 km W Torricella Sicura (TE), on

  • 20-03-2023 19:04:14 (UTC)
  • 20-03-2023 20:04:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6640, 13.6020 at 21 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
Torricella Sicura TE 5 2641 2641
Rocca Santa Maria TE 7 537 3178
Teramo TE 9 54892 58070
Cortino TE 9 656 58726
Montorio al Vomano TE 9 8218 66944
Campli TE 10 7209 74153
Valle Castellana TE 12 977 75130
Civitella del Tronto TE 13 5116 80246
Fano Adriano TE 14 296 80542
Basciano TE 14 2434 82976
Tossicia TE 14 1406 84382
Colledara TE 15 2179 86561
Pietracamela TE 16 271 86832
Penna Sant'Andrea TE 16 1698 88530
Crognaleto TE 16 1297 89827
Castel Castagna TE 16 500 90327
Canzano TE 17 1934 92261
Folignano AP 18 9241 101502
Castellalto TE 18 7513 109015
Cermignano TE 18 1649 110664
Isola del Gran Sasso d'Italia TE 19 4773 115437
Bellante TE 19 7152 122589
Acquasanta Terme AP 20 2916 125505
Maltignano AP 20 2401 127906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Teramo (54892 inhabitants)
39 Km NE of L'Aquila (69753 inhabitants)
48 Km W of Montesilvano (53738 inhabitants)
55 Km W of Pescara (121014 inhabitants)
58 Km NW of Chieti (51815 inhabitants)
79 Km E of Terni (111501 inhabitants)
80 Km E of Foligno (57155 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 1.1 2023-03-20
19:04:14
42.6643 13.6015 21 2023-03-20
20:21:43
Sala Sismica INGV-Roma 115570201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-20 19:04:14 ± 0.23
Latitude 42.6643 ± 0.0081
Longitude 13.6015 ± 0.0171
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115570201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1211
Semi-minor axis of confidence ellipse (meter) 977
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.51711
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115570201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-20 20:21:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-03-20T19:04:29.48 0.6 undecidable manual S 295 43.9227 108 0.59 41
7F.SIB3.EHE. 2023-03-20T19:04:27.14 0.6 undecidable manual S 311 35.742 112 0.31 45
IV.VCEL.EHZ. 2023-03-20T19:04:27.55 0.6 undecidable manual S 147 35.742 112 0.71 40
7F.SIB1.EHE. 2023-03-20T19:04:27.77 0.6 undecidable manual S 314 37.1295 111 0.58 42
7F.SIB2.EHE. 2023-03-20T19:04:26.68 0.6 undecidable manual S 316 34.9428 113 0.04 48
IV.MMO1.EHZ. 2023-03-20T19:04:26.52 0.6 undecidable manual S 319 34.3434 113 0.03 48
IV.CSP1.EHZ. 2023-03-20T19:04:24.92 1.0 negative manual P 326 57.3981 103 0.2 22
IV.MTRA.HNZ. 2023-03-20T19:04:23.01 0.6 undecidable manual S 302 19.5693 131 -0.13 48
IV.SMA1.EHZ. 2023-03-20T19:04:23.76 0.6 undecidable manual S 260 22.0668 127 0.11 48
IV.GIGS.HHZ. 2023-03-20T19:04:23.84 0.6 undecidable manual S 186 23.5542 125 -0.12 48
IV.NRCA.HHZ. 2023-03-20T19:04:22.92 0.3 negative manual P 295 43.9227 108 0.2 68
7F.SIB1.EHE. 2023-03-20T19:04:21.67 0.1 undecidable manual P 314 37.1295 111 -0.07 94
7F.SIB2.EHE. 2023-03-20T19:04:21.07 0.1 undecidable manual P 316 34.9428 113 -0.35 89
IV.MMO1.EHZ. 2023-03-20T19:04:21.27 1.0 undecidable manual P 319 34.3434 113 -0.06 24
7F.SIB3.EHE. 2023-03-20T19:04:21.34 0.1 undecidable manual P 311 35.742 112 -0.19 92
IV.VCEL.EHZ. 2023-03-20T19:04:21.92 1.0 undecidable manual P 147 35.742 112 0.39 22
IV.GIGS.HHZ. 2023-03-20T19:04:20.12 0.6 undecidable manual P 186 23.5542 125 0.24 47
IV.TERO.HHZ. 2023-03-20T19:04:20.70 0.6 undecidable manual S 178 4.5954 166 -0.28 48
IV.SMA1.EHZ. 2023-03-20T19:04:19.15 0.1 undecidable manual P 260 22.0668 127 -0.54 88
IV.MTRA.HNZ. 2023-03-20T19:04:19.18 0.1 undecidable manual P 302 19.5693 131 -0.22 94
IV.TERO.HHZ. 2023-03-20T19:04:18.24 0.1 undecidable manual P 178 4.5954 166 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.6 0.00032299999999999994 0.14 AML other m 2023-03-20T19:04:20.86
IV.TERO.HHE. ML:1.4 0.000213 0.08 AML other m 2023-03-20T19:04:20.93
IV.NRCA.HHE. ML:1.0 0.000032149999999999995 0.7 AML other m 2023-03-20T19:04:30.53
IV.NRCA.HHN. ML:1.1 0.0000359 0.12 AML other m 2023-03-20T19:04:31.28
IV.SMA1.EHE. ML:0.8 0.00003103235 0.2944 AML other m 2023-03-20T19:04:25.41
IV.SMA1.EHN. ML:0.7 0.00002631747 0.2304 AML other m 2023-03-20T19:04:25.95
IV.MMO1.EHE. ML:0.9 0.000028216365 0.2432 AML other m 2023-03-20T19:04:28.19
IV.MMO1.EHN. ML:0.8 0.000024518900000000003 0.1792 AML other m 2023-03-20T19:04:27.92
IV.VCEL.EHE. ML:1.2 0.000054440135 1.216 AML other m 2023-03-20T19:04:38.12
IV.VCEL.EHN. ML:1.3 0.00007083475999999999 1.8816 AML other m 2023-03-20T19:04:35.55
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