Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-04-2023 and time 05:41:08 (Italy) in region 4 km NW Torricella Sicura (TE)

A magnitude ML 2.0 earthquake occured in region: 4 km NW Torricella Sicura (TE), on

  • 04-04-2023 03:41:08 (UTC)
  • 04-04-2023 05:41:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 13.6200 at 19 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
Torricella Sicura TE 4 2641 2641
Teramo TE 7 54892 57533
Rocca Santa Maria TE 8 537 58070
Campli TE 8 7209 65279
Montorio al Vomano TE 11 8218 73497
Cortino TE 11 656 74153
Civitella del Tronto TE 11 5116 79269
Valle Castellana TE 12 977 80246
Basciano TE 13 2434 82680
Tossicia TE 15 1406 84086
Canzano TE 15 1934 86020
Fano Adriano TE 16 296 86316
Penna Sant'Andrea TE 16 1698 88014
Colledara TE 16 2179 90193
Folignano AP 16 9241 99434
Castellalto TE 16 7513 106947
Castel Castagna TE 17 500 107447
Bellante TE 17 7152 114599
Cermignano TE 17 1649 116248
Pietracamela TE 18 271 116519
Maltignano AP 18 2401 118920
Sant'Egidio alla Vibrata TE 18 9811 128731
Crognaleto TE 18 1297 130028
Sant'Omero TE 19 5243 135271
Isola del Gran Sasso d'Italia TE 20 4773 140044
Ascoli Piceno AP 20 49407 189451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km W of Teramo (54892 inhabitants)
41 Km NE of L'Aquila (69753 inhabitants)
47 Km W of Montesilvano (53738 inhabitants)
54 Km W of Pescara (121014 inhabitants)
58 Km NW of Chieti (51815 inhabitants)
81 Km E of Terni (111501 inhabitants)
81 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 2.0 2023-04-04
03:41:08		 42.6778 13.6202 19 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124157791
Reviewed
Rev100 		ML 2.1 2023-04-04
03:41:09		 42.6787 13.6093 17 2023-04-04
03:47:44		 Sala Sismica INGV-Roma 116052441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-04 03:41:08 ± 0.12
Latitude 42.6778 ± 0.0045
Longitude 13.6202 ± 0.0086
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124157791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 728
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.79320
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 116052441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-04 03:47:44

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 124157791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 10:34:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-04-04T03:41:31.34 0.3 undecidable manual S 313 71.4729 98 0.94 52
IV.LNSS.HHZ. 2023-04-04T03:41:24.47 0.6 undecidable manual S 260 48.0186 103 0.24 46
IV.NRCA.HHZ. 2023-04-04T03:41:23.46 0.3 undecidable manual S 293 44.7219 104 0.11 72
IV.ASSB.HHZ. 2023-04-04T03:41:23.62 0.3 undecidable manual P 298 88.0452 96 -0.14 67
IV.MF5.EHZ. 2023-04-04T03:41:21.98 0.3 undecidable manual S 339 36.741 108 0.66 63
IV.MML1.EHZ. 2023-04-04T03:41:21.04 0.1 negative manual P 313 71.4729 98 -0.19 91
IV.VCEL.EHZ. 2023-04-04T03:41:21.81 0.3 undecidable manual S 150 36.2415 108 0.63 67
IV.RM33.EHZ. 2023-04-04T03:41:21.75 0.6 undecidable manual S 241 38.0286 107 0.1 49
IV.CESI.HHZ. 2023-04-04T03:41:20.63 0.1 undecidable manual P 302 68.5758 98 -0.16 92
IV.MMO1.EHZ. 2023-04-04T03:41:20.72 0.3 undecidable manual S 316 34.2435 109 0.04 74
IV.T0110.HHZ. 2023-04-04T03:41:18.21 0.3 undecidable manual P 166 51.3153 102 0.04 73
IV.SMA1.EHZ. 2023-04-04T03:41:18.28 0.3 undecidable manual S 257 23.8539 120 0.14 74
IV.CAMP.HHZ. 2023-04-04T03:41:18.15 0.3 undecidable manual S 228 23.3544 120 0.12 75
IV.FDMO.HHZ. 2023-04-04T03:41:18.94 0.1 undecidable manual P 313 58.7967 100 -0.36 90
IV.GIGS.HHZ. 2023-04-04T03:41:18.37 0.3 undecidable manual S 189 25.2525 118 -0.1 75
IV.CSP1.EHZ. 2023-04-04T03:41:18.72 0.3 undecidable manual P 324 56.9985 100 -0.3 68
IV.MTRA.EHZ. 2023-04-04T03:41:17.12 0.3 undecidable manual S 296 20.1687 125 -0.21 75
IV.LNSS.HHZ. 2023-04-04T03:41:17.82 0.6 undecidable manual P 260 48.0186 103 0.15 47
IV.GUMA.HHZ. 2023-04-04T03:41:17.76 0.3 undecidable manual P 332 48.618 102 0.01 74
IV.MNTT.EHE. 2023-04-04T03:41:17.78 0.3 undecidable manual P 357 42.624 105 0.92 57
IV.FAGN.HHZ. 2023-04-04T03:41:17.16 0.3 undecidable manual P 184 45.8208 103 -0.17 71
IV.VCEL.EHZ. 2023-04-04T03:41:16.07 0.3 undecidable manual P 150 36.2415 108 0.16 74
IV.RM33.EHZ. 2023-04-04T03:41:16.16 0.3 undecidable manual P 241 38.0286 107 -0.02 75
IV.NRCA.HHZ. 2023-04-04T03:41:16.96 0.1 negative manual P 293 44.7219 104 -0.2 95
IV.MF5.EHZ. 2023-04-04T03:41:16.03 0.1 negative manual P 339 36.741 108 0.04 100
IV.ASCOL.HNZ. 2023-04-04T03:41:16.85 0.6 undecidable manual S 353 19.3695 127 -0.3 48
IV.MMO1.EHZ. 2023-04-04T03:41:15.37 0.1 negative manual P 316 34.2435 109 -0.25 96
IV.TERO.HHZ. 2023-04-04T03:41:15.01 0.3 undecidable manual S 192 6.2937 159 0.04 79
IV.GIGS.HHZ. 2023-04-04T03:41:14.25 0.1 positive manual P 189 25.2525 118 -0.09 100
IV.SMA1.EHZ. 2023-04-04T03:41:14.15 0.3 undecidable manual P 257 23.8539 120 0 77
IV.CAMP.HHZ. 2023-04-04T03:41:13.98 0.3 undecidable manual P 228 23.3544 120 -0.11 75
IV.ASCOL.HNZ. 2023-04-04T03:41:13.19 0.1 negative manual P 353 19.3695 127 -0.39 95
IV.MTRA.EHZ. 2023-04-04T03:41:13.51 0.1 negative manual P 296 20.1687 125 -0.18 100
IV.TERO.HHZ. 2023-04-04T03:41:12.26 0.3 undecidable manual P 192 6.2937 159 -0.07 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:2.7 0.004425 0.12 AML other m 2023-04-04T03:41:15.09
IV.TERO.HNN. ML:2.8 0.004705 0.12 AML other m 2023-04-04T03:41:15.03
IV.TERO.HNE. ML:2.3 0.001883098 0.08 AML other m 2023-04-04T03:41:15.13
IV.TERO.HHE. ML:2.4 0.0019417675 0.0816 AML other m 2023-04-04T03:41:15.13
IV.MTRA.HNE. ML:2.1 0.0007287034 0.0896 AML other m 2023-04-04T03:41:17.29
IV.MTRA.EHE. ML:2.1 0.0007448127 0.0992 AML other m 2023-04-04T03:41:17.29
IV.MTRA.HNN. ML:2.2 0.00092429975 0.0896 AML other m 2023-04-04T03:41:17.46
IV.MTRA.EHN. ML:2.2 0.0009268865 0.1008 AML other m 2023-04-04T03:41:17.46
IV.CAMP.HHN. ML:1.8 0.000343 0.32 AML other m 2023-04-04T03:41:18.52
IV.SMA1.EHN. ML:2.0 0.00054324695 0.1408 AML other m 2023-04-04T03:41:18.41
IV.GIGS.HHN. ML:1.1 0.0000631747 0.16 AML other m 2023-04-04T03:41:18.43
IV.GIGS.HHE. ML:1.3 0.00009960637479999999 0.1392 AML other m 2023-04-04T03:41:18.53
IV.CAMP.HHE. ML:1.7 0.0002475 0.28 AML other m 2023-04-04T03:41:18.55
IV.SMA1.EHE. ML:2.1 0.0006955 1.78 AML other m 2023-04-04T03:41:19.96
IV.CESI.HHE. ML:1.8 0.00010486174000000001 2.48 AML other m 2023-04-04T03:41:19.02
IV.MML1.HNN. ML:2.0 0.00014741599999999999 0.9312 AML other m 2023-04-04T03:41:21.38
IV.MMO1.EHE. ML:1.8 0.0002595 0.3 AML other m 2023-04-04T03:41:21.71
IV.MMO1.HNN. ML:3.2 0.0069028165 0.8112 AML other m 2023-04-04T03:41:22.04
IV.MMO1.EHN. ML:1.8 0.00020675090000000002 0.16 AML other m 2023-04-04T03:41:22.04
IV.VCEL.EHN. ML:2.1 0.00047149685000000003 0.3408 AML other m 2023-04-04T03:41:22.07
IV.MF5.EHE. ML:2.1 0.0004475766 0.4592 AML other m 2023-04-04T03:41:22.30
IV.MF5.EHN. ML:1.9 0.00029057995 0.5392 AML other m 2023-04-04T03:41:22.08
IV.VCEL.EHE. ML:2.0 0.00033808845 0.2 AML other m 2023-04-04T03:41:22.66
IV.NRCA.HNE. ML:2.2 0.00043994 0.12 AML other m 2023-04-04T03:41:24.20
IV.NRCA.HHE. ML:2.2 0.0004767313 0.12 AML other m 2023-04-04T03:41:24.20
IV.MMO1.HNE. ML:3.2 0.0064652089999999995 0.6592 AML other m 2023-04-04T03:41:24.68
IV.NRCA.HNN. ML:2.1 0.000360525 0.0992 AML other m 2023-04-04T03:41:24.71
IV.NRCA.HHN. ML:2.1 0.00037325464999999995 0.0992 AML other m 2023-04-04T03:41:24.71
IV.RM33.HNE. ML:1.7 0.00016974286999999998 0.2 AML other m 2023-04-04T03:41:24.89
IV.RM33.EHE. ML:1.6 0.00014360005 0.1808 AML other m 2023-04-04T03:41:24.99
IV.RM33.HNN. ML:1.6 0.00013170265 0.2496 AML other m 2023-04-04T03:41:25.81
IV.FAGN.HHN. ML:1.8 0.00015866920000000002 0.36 AML other m 2023-04-04T03:41:26.42
IV.RM33.EHN. ML:1.5 0.000097121185 0.32 AML other m 2023-04-04T03:41:26.71
IV.CSP1.EHE. ML:2.3 0.0003928041 0.2592 AML other m 2023-04-04T03:41:27.76
IV.CSP1.EHN. ML:2.1 0.00025292505 0.36 AML other m 2023-04-04T03:41:27.90
IV.GUMA.HHN. ML:2.0 0.00025121225000000004 0.5184 AML other m 2023-04-04T03:41:28.40
IV.GUMA.HNN. ML:2.1 0.00031847435 0.72 AML other m 2023-04-04T03:41:28.40
IV.GUMA.HHE. ML:2.0 0.00023196205000000002 0.3392 AML other m 2023-04-04T03:41:29.57
IV.MML1.HNE. ML:1.9 0.0001260996 0.9312 AML other m 2023-04-04T03:41:30.96
IV.GUMA.HNE. ML:2.0 0.00023369659999999997 0.4592 AML other m 2023-04-04T03:41:31.72
IV.T0110.HHN. ML:1.8 0.00016411140000000002 0.52 AML other m 2023-04-04T03:41:31.85
IV.MML1.EHE. ML:1.6 0.00005695791 0.1392 AML other m 2023-04-04T03:41:31.81
IV.T0110.HHE. ML:1.8 0.000135435695 0.3792 AML other m 2023-04-04T03:41:32.88
IV.FAGN.HHE. ML:1.9 0.00021624595000000003 0.36 AML other m 2023-04-04T03:41:33.47
IV.MML1.EHN. ML:1.7 0.00008590714499999999 0.2208 AML other m 2023-04-04T03:41:34.02
IV.CESI.HHN. ML:1.7 0.00008678624 0.4192 AML other m 2023-04-04T03:41:37.77
IV.ASSB.HHE. ML:1.7 0.000059104375 0.5392 AML other m 2023-04-04T03:41:39.52
IV.CESI.HNN. ML:1.9 0.00013420588 0.8304 AML other m 2023-04-04T03:41:42.14
IV.CESI.HNE. ML:2.0 0.00016299815 0.8704 AML other m 2023-04-04T03:41:45.01
IV.ASSB.HHN. ML:1.7 0.000067130265 0.9808 AML other m 2023-04-04T03:41:47.50
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
Waveforms Seismic signals in miniseed + resp format Download