Earthquake with magnitude of ML 1.0 on date 18-09-2023 and time 19:08:01 (Italy) in region 2 km NW Torricella Sicura (TE)

A magnitude ML 1.0 earthquake occured in region: 2 km NW Torricella Sicura (TE), on

  • 18-09-2023 17:08:01 (UTC)
  • 18-09-2023 19:08:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 13.6440 at 19 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 3 2641 2641
Teramo TE 5 54892 57533
Campli TE 7 7209 64742
Rocca Santa Maria TE 10 537 65279
Montorio al Vomano TE 11 8218 73497
Civitella del Tronto TE 11 5116 78613
Basciano TE 12 2434 81047
Cortino TE 13 656 81703
Canzano TE 14 1934 83637
Valle Castellana TE 14 977 84614
Penna Sant'Andrea TE 14 1698 86312
Castellalto TE 14 7513 93825
Tossicia TE 15 1406 95231
Bellante TE 15 7152 102383
Colledara TE 16 2179 104562
Cermignano TE 16 1649 106211
Folignano AP 16 9241 115452
Castel Castagna TE 16 500 115952
Fano Adriano TE 17 296 116248
Maltignano AP 18 2401 118649
Sant'Egidio alla Vibrata TE 18 9811 128460
Sant'Omero TE 18 5243 133703
Pietracamela TE 19 271 133974
Ancarano TE 20 1857 135831
Isola del Gran Sasso d'Italia TE 20 4773 140604
Torano Nuovo TE 20 1611 142215
Crognaleto TE 20 1297 143512

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Teramo (54892 inhabitants)
41 Km NE of L'Aquila (69753 inhabitants)
45 Km W of Montesilvano (53738 inhabitants)
52 Km W of Pescara (121014 inhabitants)
56 Km NW of Chieti (51815 inhabitants)
83 Km E of Terni (111501 inhabitants)
83 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 1.0 2023-09-18
17:08:01
42.6782 13.6443 19 2023-09-18
17:19:45
Sala Sismica INGV-Roma 121199561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-18 17:08:01 ± 0.21
Latitude 42.6782 ± 0.0054
Longitude 13.6443 ± 0.0147
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121199561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1161
Semi-minor axis of confidence ellipse (meter) 626
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65740
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 121199561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-18 17:19:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HNZ. 2023-09-18T17:10:02.10 3.0 undecidable manual Sg 6.12 0
MN.TRI.HHZ. 2023-09-18T17:09:35.18 3.0 undecidable manual Sg 3.77 0
IV.ALJA.HHZ. 2023-09-18T17:09:29.75 3.0 negative manual Pg 9.73 0
ST.RONC.EHZ. 2023-09-18T17:09:17.78 3.0 positive manual Pg 12.64 0
IV.CAR1.HNZ. 2023-09-18T17:09:16.06 3.0 undecidable manual Pg 8.98 0
IV.RIBO.EHZ.01 2023-09-18T17:09:04.17 3.0 undecidable manual Sg 1.65 0
IV.VENT.EHZ. 2023-09-18T17:08:54.32 3.0 undecidable manual Sn -9.99 0
IV.MCRV.HHZ. 2023-09-18T17:08:46.25 3.0 undecidable manual Pg 2.81 0
IV.PZUN.HHZ. 2023-09-18T17:08:44.95 3.0 undecidable manual Pn -3.92 0
OT.OT17.EHZ. 2023-09-18T17:08:34.74 3.0 negative manual Pg -0.87 0
IV.SACR.HHZ. 2023-09-18T17:08:31.50 3.0 negative manual Pg -2.25 0
IV.MML1.EHZ. 2023-09-18T17:08:24.37 0.3 undecidable manual S 312 72.9714 98 0.67 59
IV.MURB.HHZ. 2023-09-18T17:08:22.89 3.0 undecidable manual P -0.56 0
IV.MML1.EHZ. 2023-09-18T17:08:14.29 0.1 undecidable manual P 312 72.9714 98 -0.09 91
IV.MMO1.EHZ. 2023-09-18T17:08:13.77 0.6 undecidable manual S 314 35.6421 109 -0.2 47
IV.FDMO.HHZ. 2023-09-18T17:08:12.25 1.0 positive manual P 311 60.2952 100 -0.19 23
IV.CAMP.HHE. 2023-09-18T17:08:11.55 0.6 undecidable manual S 231 24.8529 119 0.23 48
IV.SMA1.EHZ. 2023-09-18T17:08:11.23 0.6 undecidable manual S 258 25.752 118 -0.3 48
IV.GIGS.HHZ. 2023-09-18T17:08:11.50 0.6 undecidable manual S 193 25.6521 118 0 50
IV.MTRA.EHN. 2023-09-18T17:08:10.26 0.6 undecidable manual S 293 21.9669 123 -0.4 47
IV.NRCA.HHZ. 2023-09-18T17:08:10.22 0.1 undecidable manual P 292 46.5201 103 -0.14 95
IV.MF5.EHZ. 2023-09-18T17:08:09.42 0.6 positive manual P 336 37.5291 107 0.4 46
IV.TERO.HHZ. 2023-09-18T17:08:08.15 0.6 undecidable manual S 208 6.993 157 0.14 51
IV.MMO1.EHZ. 2023-09-18T17:08:08.62 0.6 negative manual P 314 35.6421 109 -0.13 48
IV.SMA1.EHZ. 2023-09-18T17:08:07.34 0.6 positive manual P 258 25.752 118 -0.01 51
IV.GIGS.HHZ. 2023-09-18T17:08:07.44 0.3 positive manual P 193 25.6521 118 0.11 74
IV.CAMP.HHE. 2023-09-18T17:08:07.13 0.1 undecidable manual P 231 24.8529 119 -0.1 100
IV.MTRA.EHN. 2023-09-18T17:08:06.65 0.1 undecidable manual P 293 21.9669 123 -0.2 97
IV.TERO.HHZ. 2023-09-18T17:08:05.55 0.1 positive manual P 208 6.993 157 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.4 0.000186 0.14 AML other m 2023-09-18T17:08:08.49
IV.TERO.HHN. ML:0.1 0.000010409999999999999 1.04 AML other m 2023-09-18T17:08:09.76
IV.SMA1.EHN. ML:1.0 0.000050600000000000003 0.58 AML other m 2023-09-18T17:08:11.51
IV.GIGS.HHE. ML:0.5 0.000013115 0.46 AML other m 2023-09-18T17:08:11.70
IV.GIGS.HHN. ML:0.3 0.000011699999999999998 0.72 AML other m 2023-09-18T17:08:11.84
IV.SMA1.EHE. ML:0.9 0.00004125 0.28 AML other m 2023-09-18T17:08:12.11
IV.NRCA.HHN. ML:1.3 0.000049000000000000005 0.1 AML other m 2023-09-18T17:08:17.23
IV.NRCA.HHE. ML:1.2 0.00004505 0.12 AML other m 2023-09-18T17:08:17.18
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