Earthquake with magnitude of ML 1.5 on date 04-04-2023 and time 08:41:40 (Italy) in region 5 km W Torricella Sicura (TE)

A magnitude ML 1.5 earthquake occured in region: 5 km W Torricella Sicura (TE), on

  • 04-04-2023 06:41:40 (UTC)
  • 04-04-2023 08:41:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6710, 13.6010 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.

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 6 537 3178
Teramo TE 9 54892 58070
Cortino TE 9 656 58726
Campli TE 9 7209 65935
Montorio al Vomano TE 10 8218 74153
Valle Castellana TE 11 977 75130
Civitella del Tronto TE 13 5116 80246
Basciano TE 14 2434 82680
Fano Adriano TE 14 296 82976
Tossicia TE 14 1406 84382
Colledara TE 16 2179 86561
Penna Sant'Andrea TE 16 1698 88259
Pietracamela TE 17 271 88530
Crognaleto TE 17 1297 89827
Canzano TE 17 1934 91761
Folignano AP 17 9241 101002
Castel Castagna TE 17 500 101502
Castellalto TE 18 7513 109015
Cermignano TE 18 1649 110664
Bellante TE 19 7152 117816
Acquasanta Terme AP 19 2916 120732
Isola del Gran Sasso d'Italia TE 19 4773 125505
Maltignano AP 19 2401 127906
Sant'Egidio alla Vibrata TE 20 9811 137717

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)
59 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
Bulletin
Rev1000
ML 1.5 2023-04-04
06:41:40
42.6708 13.6013 19 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124157871
Reviewed
Rev100
ML 1.7 2023-04-04
06:41:40
42.6708 13.6112 18 2023-04-04
06:49:24
Sala Sismica INGV-Roma 116056031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-04 06:41:40 ± 0.13
Latitude 42.6708 ± 0.0054
Longitude 13.6013 ± 0.0110
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 124157871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 586
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51081
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 124157871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 10:37:36

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 116056031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-04 06:49:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2023-04-04T06:42:06.62 3.0 undecidable manual P 0.45 0
IV.CSP1.EHZ. 2023-04-04T06:41:58.95 0.3 undecidable manual S 326 56.6988 100 0.66 58
IV.NRCA.HHZ. 2023-04-04T06:41:55.23 0.6 undecidable manual S 295 43.623 104 0.38 44
IV.MF5.EHZ. 2023-04-04T06:41:53.77 0.6 undecidable manual S 342 37.0296 107 0.62 40
IV.VCEL.EHN. 2023-04-04T06:41:53.33 0.3 undecidable manual S 147 36.3414 107 0.34 67
IV.MMO1.EHZ. 2023-04-04T06:41:52.52 0.3 undecidable manual S 319 33.744 109 0.18 70
IV.T0110.HHZ. 2023-04-04T06:41:50.06 0.6 undecidable manual P 164 51.0156 101 0.15 45
IV.CSP1.EHZ. 2023-04-04T06:41:50.36 0.1 negative manual P 326 56.6988 100 -0.41 86
IV.GIGS.HHZ. 2023-04-04T06:41:49.99 0.3 undecidable manual S 186 24.2535 118 -0.01 73
IV.SMA1.EHZ. 2023-04-04T06:41:49.80 0.3 undecidable manual S 258 22.1556 121 0.28 71
IV.CAMP.HHZ. 2023-04-04T06:41:49.58 0.3 undecidable manual S 226 21.6672 122 0.16 72
IV.MTRA.EHZ. 2023-04-04T06:41:48.70 0.3 undecidable manual S 300 19.1697 126 -0.17 72
IV.NRCA.HHZ. 2023-04-04T06:41:48.50 0.6 undecidable manual P 295 43.623 104 -0.29 45
IV.VCEL.EHN. 2023-04-04T06:41:47.84 0.3 undecidable manual P 147 36.3414 107 0.12 70
IV.MMO1.EHZ. 2023-04-04T06:41:47.05 0.3 undecidable manual P 319 33.744 109 -0.29 69
IV.MF5.EHZ. 2023-04-04T06:41:47.60 0.6 undecidable manual P 342 37.0296 107 -0.21 47
IV.TERO.HHZ. 2023-04-04T06:41:46.51 0.3 undecidable manual S 178 5.2947 162 -0.11 75
IV.CAMP.HHZ. 2023-04-04T06:41:45.70 0.3 undecidable manual P 226 21.6672 122 0.05 74
IV.GIGS.HHZ. 2023-04-04T06:41:45.79 0.1 positive manual P 186 24.2535 118 -0.2 95
IV.MTRA.EHZ. 2023-04-04T06:41:45.06 0.1 negative manual P 300 19.1697 126 -0.27 94
IV.SMA1.EHZ. 2023-04-04T06:41:45.56 0.3 undecidable manual P 258 22.1556 121 -0.15 72
IV.TERO.HHZ. 2023-04-04T06:41:43.92 0.1 positive manual P 178 5.2947 162 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.2 0.000095530425 1.6192 AML other m 2023-04-04T06:41:45.60
IV.TERO.HNN. ML:1.9 0.0006479439499999999 0.128 AML other m 2023-04-04T06:41:46.63
IV.TERO.HHN. ML:1.8 0.0005989999999999999 0.14 AML other m 2023-04-04T06:41:46.57
IV.TERO.HHE. ML:1.6 0.00033858995000000003 0.0576 AML other m 2023-04-04T06:41:46.67
IV.TERO.HNE. ML:1.6 0.00032138794999999996 0.0608 AML other m 2023-04-04T06:41:46.67
IV.GIGS.HHE. ML:1.2 0.00006890093 2.0224 AML other m 2023-04-04T06:41:47.76
IV.MTRA.EHN. ML:1.3 0.000111548 0.2176 AML other m 2023-04-04T06:41:48.72
IV.MTRA.HNE. ML:1.2 0.000091268055 0.0896 AML other m 2023-04-04T06:41:48.84
IV.MTRA.HNN. ML:1.3 0.00011891827 0.4896 AML other m 2023-04-04T06:41:53.59
IV.GIGS.HHN. ML:1.1 0.000057904595 1.5232 AML other m 2023-04-04T06:41:54.31
IV.MTRA.EHE. ML:1.3 0.000113931835 0.6816 AML other m 2023-04-04T06:41:55.16
IV.NRCA.HHN. ML:1.2 0.000049721599999999995 0.1024 AML other m 2023-04-04T06:41:56.25
IV.SMA1.EHE. ML:1.2 0.00007763686 1.04 AML other m 2023-04-04T06:41:57.38
IV.NRCA.HNE. ML:1.7 0.00015010482 0.6272 AML other m 2023-04-04T06:41:57.42
IV.NRCA.HNN. ML:1.9 0.00023325094999999998 1.0208 AML other m 2023-04-04T06:42:01.06
IV.NRCA.HHE. ML:1.4 0.00006470736500000001 1.2192 AML other m 2023-04-04T06:42:05.29
IV.VAGA.HNN. ML:2.2 0.000088777 1.0112 AML other m 2023-04-04T06:42:22.68
IV.VAGA.HHN. ML:1.9 0.000046379770000000004 0.5824 AML other m 2023-04-04T06:42:24.68
IV.VAGA.HHE. ML:2.0 0.000047529429999999995 1.5424 AML other m 2023-04-04T06:42:42.04
IV.VAGA.HNE. ML:2.4 0.00011969805 1.5008 AML other m 2023-04-04T06:42:52.02
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