Earthquake with magnitude of ML 1.4 on date 19-08-2023 and time 17:48:20 (UTC) in region 5 km W Torricella Sicura (TE)

A magnitude ML 1.4 earthquake occured in region: 5 km W Torricella Sicura (TE), on

  • 19-08-2023 17:48:20 (UTC)
  • 19-08-2023 19:48:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 13.6050 at 18 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 6 537 3178
Teramo TE 9 54892 58070
Campli TE 9 7209 65279
Cortino TE 10 656 65935
Montorio al Vomano TE 11 8218 74153
Valle Castellana TE 11 977 75130
Civitella del Tronto TE 12 5116 80246
Basciano TE 14 2434 82680
Fano Adriano TE 15 296 82976
Tossicia TE 15 1406 84382
Folignano AP 16 9241 93623
Colledara TE 17 2179 95802
Canzano TE 17 1934 97736
Penna Sant'Andrea TE 17 1698 99434
Castellalto TE 18 7513 106947
Pietracamela TE 18 271 107218
Castel Castagna TE 18 500 107718
Crognaleto TE 18 1297 109015
Bellante TE 18 7152 116167
Cermignano TE 18 1649 117816
Maltignano AP 18 2401 120217
Sant'Egidio alla Vibrata TE 19 9811 130028
Acquasanta Terme AP 19 2916 132944
Ascoli Piceno AP 20 49407 182351
Isola del Gran Sasso d'Italia TE 20 4773 187124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 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)
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
Reviewed
Rev100
ML 1.4 2023-08-19
17:48:20
42.6785 13.6048 18 2023-08-19
17:58:25
Sala Sismica INGV-Roma 120298341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-19 17:48:20 ± 0.14
Latitude 42.6785 ± 0.0063
Longitude 13.6048 ± 0.0122
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120298341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 767
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52161
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120298341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-19 17:58:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2023-08-19T17:48:42.55 3.0 positive manual P 0.42 0
IV.FDMO.HHZ. 2023-08-19T17:48:38.64 0.6 undecidable manual S 314 57.8976 99 0.51 41
IV.CSP1.EHZ. 2023-08-19T17:48:38.21 0.6 undecidable manual S 325 56.1993 99 0.52 41
IV.T0110.HHZ. 2023-08-19T17:48:37.29 0.6 undecidable manual S 164 51.7038 100 0.76 38
IV.MF5.EHZ. 2023-08-19T17:48:32.65 0.3 undecidable manual S 341 36.2415 107 0.14 69
7F.SIB3.EHZ. 2023-08-19T17:48:32.03 0.6 undecidable manual S 309 34.9428 107 -0.12 47
7F.SIB1.EHN. 2023-08-19T17:48:32.80 0.6 undecidable manual S 311 36.3414 107 0.29 45
IV.FDMO.HHZ. 2023-08-19T17:48:30.26 0.6 positive manual P 314 57.8976 99 -0.24 44
IV.GIGS.HHZ. 2023-08-19T17:48:29.61 0.3 undecidable manual S 186 25.1526 116 -0.12 71
IV.T0110.HHZ. 2023-08-19T17:48:29.72 0.6 undecidable manual P 164 51.7038 100 0.15 45
IV.CAMP.HHZ. 2023-08-19T17:48:29.22 0.3 undecidable manual S 225 22.4553 120 0.11 72
IV.SMA1.EHZ. 2023-08-19T17:48:29.34 0.3 undecidable manual S 256 22.6551 120 0.21 70
IV.CSP1.EHZ. 2023-08-19T17:48:29.98 0.6 undecidable manual P 325 56.1993 99 -0.27 44
IV.MTRA.HNZ. 2023-08-19T17:48:28.18 0.3 undecidable manual S 297 19.0698 125 -0.15 72
7F.SIB1.EHN. 2023-08-19T17:48:27.08 0.1 undecidable manual P 311 36.3414 107 -0.17 92
IV.MF5.EHZ. 2023-08-19T17:48:27.26 1.0 undecidable manual P 341 36.2415 107 0.01 24
IV.TERO.HHZ. 2023-08-19T17:48:26.15 0.3 undecidable manual S 181 6.1938 158 -0.01 75
7F.SIB3.EHZ. 2023-08-19T17:48:26.78 0.1 undecidable manual P 309 34.9428 107 -0.27 91
IV.SMA1.EHZ. 2023-08-19T17:48:25.36 0.3 positive manual P 256 22.6551 120 0.05 73
IV.GIGS.HHZ. 2023-08-19T17:48:25.40 0.1 undecidable manual P 186 25.1526 116 -0.25 92
IV.CAMP.HHZ. 2023-08-19T17:48:25.31 0.3 undecidable manual P 225 22.4553 120 0.02 73
IV.MTRA.HNZ. 2023-08-19T17:48:24.69 0.3 undecidable manual P 297 19.0698 125 -0.15 72
IV.TERO.HHZ. 2023-08-19T17:48:23.54 0.1 undecidable manual P 181 6.1938 158 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.8 0.0005515000000000001 0.1 AML other m 2023-08-19T17:48:26.26
IV.TERO.HNN. ML:1.8 0.0005920000000000001 0.1 AML other m 2023-08-19T17:48:26.22
IV.TERO.HHE. ML:1.5 0.000307 0.08 AML other m 2023-08-19T17:48:26.27
IV.TERO.HNE. ML:1.5 0.0003005 0.12 AML other m 2023-08-19T17:48:26.36
IV.SMA1.EHE. ML:1.1 0.000068 1.6 AML other m 2023-08-19T17:48:29.13
IV.NRCA.HHN. ML:1.7 0.00014250000000000002 1.88 AML other m 2023-08-19T17:48:31.02
IV.SMA1.EHN. ML:0.0 0.00007595 1.26 AML other m 2023-08-19T17:48:31.89
IV.NRCA.HHE. ML:1.3 0.0000621 0.62 AML other m 2023-08-19T17:48:35.35
IV.FDMO.HHN. ML:1.0 0.00001835 0.82 AML other m 2023-08-19T17:48:38.91
IV.FDMO.HHE. ML:1.0 0.000018335 1.54 AML other m 2023-08-19T17:48:39.16
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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