Earthquake with magnitude of ML 1.3 on date 03-04-2023 and time 13:39:40 (UTC) in region 4 km NW Torricella Sicura (TE)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Torricella Sicura (TE), on

  • 03-04-2023 13:39:40 (UTC)
  • 03-04-2023 15:39:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6770, 13.6130 at 18 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
Torricella Sicura TE 4 2641 2641
Rocca Santa Maria TE 7 537 3178
Teramo TE 8 54892 58070
Campli TE 8 7209 65279
Montorio al Vomano TE 10 8218 73497
Cortino TE 11 656 74153
Civitella del Tronto TE 12 5116 79269
Valle Castellana TE 12 977 80246
Basciano TE 14 2434 82680
Tossicia TE 15 1406 84086
Fano Adriano TE 15 296 84382
Canzano TE 16 1934 86316
Penna Sant'Andrea TE 16 1698 88014
Colledara TE 16 2179 90193
Folignano AP 16 9241 99434
Castellalto TE 17 7513 106947
Castel Castagna TE 17 500 107447
Bellante TE 18 7152 114599
Cermignano TE 18 1649 116248
Pietracamela TE 18 271 116519
Crognaleto TE 18 1297 117816
Maltignano AP 18 2401 120217
Sant'Egidio alla Vibrata TE 19 9811 130028
Acquasanta Terme AP 20 2916 132944
Isola del Gran Sasso d'Italia TE 20 4773 137717
Sant'Omero TE 20 5243 142960
Ascoli Piceno AP 20 49407 192367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Teramo (54892 inhabitants)
40 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)
80 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
Bulletin
Rev1000
ML 1.3 2023-04-03
13:39:40
42.6768 13.6133 18 2024-03-01
17:18:09
Bollettino Sismico Italiano INGV 117671371
Reviewed
Rev100
ML 1.3 2023-04-03
13:39:40
42.6742 13.6068 20 2023-04-03
13:53:01
Sala Sismica INGV-Roma 116021791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-03 13:39:40 ± 0.09
Latitude 42.6768 ± 0.0045
Longitude 13.6133 ± 0.0073
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117671371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 562
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.46315
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 117671371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-08 16:45:32

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 116021791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-03 13:53:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-04-03T13:39:53.39 0.6 undecidable manual S 340 36.741 107 0.42 44
IV.VCEL.EHE. 2023-04-03T13:39:53.31 0.6 undecidable manual S 149 36.4413 107 0.41 44
IV.MMO1.EHZ. 2023-04-03T13:39:52.24 0.3 undecidable manual S 317 33.9438 108 -0.03 71
IV.GIGS.HHZ. 2023-04-03T13:39:50.00 0.6 undecidable manual S 188 25.0527 117 -0.07 48
IV.SMA1.EHZ. 2023-04-03T13:39:49.85 0.6 undecidable manual S 257 23.2545 119 0.2 47
IV.T0110.HHZ. 2023-04-03T13:39:49.79 0.3 undecidable manual P 165 51.4152 101 -0.08 69
IV.CAMP.HHZ. 2023-04-03T13:39:49.86 0.3 undecidable manual S 227 22.8549 120 0.3 69
IV.MTRA.EHE. 2023-04-03T13:39:48.69 0.6 undecidable manual S 297 19.7691 124 -0.16 48
IV.VCEL.EHE. 2023-04-03T13:39:47.58 0.1 undecidable manual P 149 36.4413 107 -0.05 95
IV.MMO1.EHZ. 2023-04-03T13:39:47.30 0.3 undecidable manual P 317 33.9438 108 0.04 72
IV.MF5.EHZ. 2023-04-03T13:39:47.62 0.3 undecidable manual P 340 36.741 107 -0.05 71
IV.TERO.HHZ. 2023-04-03T13:39:46.53 0.6 undecidable manual S 187 6.0939 159 0.01 50
IV.CAMP.HHZ. 2023-04-03T13:39:45.71 0.3 undecidable manual P 227 22.8549 120 0.01 73
IV.GIGS.HHZ. 2023-04-03T13:39:45.81 0.1 undecidable manual P 188 25.0527 117 -0.18 94
IV.SMA1.EHZ. 2023-04-03T13:39:45.70 0.1 undecidable manual P 257 23.2545 119 -0.05 97
IV.MTRA.EHE. 2023-04-03T13:39:45.11 0.3 undecidable manual P 297 19.7691 124 -0.18 71
IV.TERO.HHZ. 2023-04-03T13:39:43.90 0.1 negative manual P 187 6.0939 159 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.8 0.000608 0.32 AML other m 2023-04-03T13:39:46.57
IV.TERO.HNN. ML:1.9 0.0007555000000000001 0.32 AML other m 2023-04-03T13:39:46.57
IV.TERO.HNE. ML:1.7 0.00044199999999999996 0.54 AML other m 2023-04-03T13:39:46.58
IV.TERO.HHE. ML:1.6 0.00035150000000000003 0.18 AML other m 2023-04-03T13:39:46.70
IV.SMA1.EHN. ML:0.8 0.000036821975 1.6224 AML other m 2023-04-03T13:39:49.94
IV.GIGS.HHN. ML:0.8 0.000032859 0.2816 AML other m 2023-04-03T13:39:50.20
IV.GIGS.HHE. ML:0.8 0.0000309133 0.2624 AML other m 2023-04-03T13:39:50.25
IV.SMA1.EHE. ML:0.9 0.00003926589 0.2368 AML other m 2023-04-03T13:39:50.37
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