Earthquake with magnitude of ML 1.3 on date 18-08-2023 and time 21:36:02 (UTC) in region 6 km NW Torricella Sicura (TE)

A magnitude ML 1.3 earthquake occured in region: 6 km NW Torricella Sicura (TE), on

  • 18-08-2023 21:36:02 (UTC)
  • 18-08-2023 23:36:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6900, 13.6020 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 6 2641 2641
Rocca Santa Maria TE 6 537 3178
Campli TE 8 7209 10387
Teramo TE 9 54892 65279
Valle Castellana TE 10 977 66256
Civitella del Tronto TE 11 5116 71372
Cortino TE 11 656 72028
Montorio al Vomano TE 12 8218 80246
Folignano AP 15 9241 89487
Basciano TE 15 2434 91921
Fano Adriano TE 16 296 92217
Tossicia TE 16 1406 93623
Canzano TE 17 1934 95557
Maltignano AP 17 2401 97958
Penna Sant'Andrea TE 18 1698 99656
Castellalto TE 18 7513 107169
Colledara TE 18 2179 109348
Bellante TE 18 7152 116500
Sant'Egidio alla Vibrata TE 18 9811 126311
Acquasanta Terme AP 18 2916 129227
Ascoli Piceno AP 18 49407 178634
Crognaleto TE 19 1297 179931
Pietracamela TE 19 271 180202
Castel Castagna TE 19 500 180702
Cermignano TE 19 1649 182351
Sant'Omero TE 20 5243 187594

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Teramo (54892 inhabitants)
41 Km NE of L'Aquila (69753 inhabitants)
49 Km W of Montesilvano (53738 inhabitants)
56 Km W of Pescara (121014 inhabitants)
60 Km NW of Chieti (51815 inhabitants)
79 Km E of Foligno (57155 inhabitants)
79 Km E of Terni (111501 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 1.3 2023-08-18
21:36:02
42.6898 13.6018 18 2023-08-18
21:46:04
Sala Sismica INGV-Roma 120271811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-18 21:36:02 ± 0.2
Latitude 42.6898 ± 0.0099
Longitude 13.6018 ± 0.0098
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 120271811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1151
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47754
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 120271811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-18 21:46:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-08-18T21:37:11.33 3.0 undecidable manual Pg 5.55 0
GU.CANO.HHZ. 2023-08-18T21:37:05.97 3.0 undecidable manual Pg 10.74 0
GU.GSCL.HHZ. 2023-08-18T21:37:04.97 3.0 undecidable manual Sn -4.49 0
IV.FNVD.HHZ. 2023-08-18T21:37:01.38 3.0 undecidable manual Sg 2.21 0
IV.SIRI.HHZ. 2023-08-18T21:36:47.74 3.0 negative manual Pg 6.64 0
IV.RSM2.HHZ. 2023-08-18T21:36:30.34 3.0 undecidable manual Sn -4.93 0
IV.CSP1.EHZ. 2023-08-18T21:36:20.75 3.0 undecidable manual S 0.9 0
IV.T0110.HHZ. 2023-08-18T21:36:19.33 0.1 undecidable manual S 164 53.0025 100 0.43 86
IV.FAGN.HHZ. 2023-08-18T21:36:17.78 0.1 undecidable manual S 182 47.0196 102 0.44 87
IV.RM33.EHZ. 2023-08-18T21:36:14.48 0.1 undecidable manual S 238 37.4292 106 -0.37 88
IV.GIGS.HHZ. 2023-08-18T21:36:11.72 0.3 undecidable manual S 185 26.3514 115 -0.34 67
IV.SMA1.EHZ. 2023-08-18T21:36:11.45 0.1 undecidable manual S 253 22.755 119 0.26 93
IV.T0110.HHZ. 2023-08-18T21:36:11.58 0.3 undecidable manual P 164 53.0025 100 -0.23 66
IV.CAMP.HHZ. 2023-08-18T21:36:11.33 0.1 undecidable manual S 223 23.2545 118 0.02 98
IV.FAGN.HHZ. 2023-08-18T21:36:10.89 0.1 undecidable manual P 182 47.0196 102 -0.02 93
IV.MTRA.EHE. 2023-08-18T21:36:10.30 0.3 undecidable manual S 294 18.2706 126 0.09 72
IV.RM33.EHZ. 2023-08-18T21:36:09.48 0.1 undecidable manual P 238 37.4292 106 0.01 96
IV.ATCC.EHZ. 2023-08-18T21:36:08.88 3.0 undecidable manual P -2.23 0
IV.TERO.HNZ. 2023-08-18T21:36:08.28 0.1 undecidable manual S 179 7.3815 154 -0.03 100
IV.GIGS.HHZ. 2023-08-18T21:36:07.56 0.1 undecidable manual P 185 26.3514 115 -0.3 91
IV.SMA1.EHZ. 2023-08-18T21:36:07.46 0.1 undecidable manual P 253 22.755 119 0.1 96
IV.CAMP.HHZ. 2023-08-18T21:36:07.52 1.0 negative manual P 223 23.2545 118 0.09 24
IV.MTRA.EHE. 2023-08-18T21:36:06.82 0.1 undecidable manual P 294 18.2706 126 0.03 97
IV.TERO.HNZ. 2023-08-18T21:36:05.66 0.1 undecidable manual P 179 7.3815 154 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.9 0.0007855000000000001 0.1 AML other m 2023-08-18T21:36:08.40
IV.TERO.HNN. ML:2.0 0.000823 0.1 AML other m 2023-08-18T21:36:08.36
IV.TERO.HHE. ML:1.8 0.00047999999999999996 0.08 AML other m 2023-08-18T21:36:08.40
IV.TERO.HNE. ML:1.7 0.00044 0.12 AML other m 2023-08-18T21:36:08.50
IV.CAMP.HHN. ML:1.0 0.00005165 0.32 AML other m 2023-08-18T21:36:11.82
IV.SMA1.EHN. ML:1.3 0.0001056 0.52 AML other m 2023-08-18T21:36:11.70
IV.GIGS.HHE. ML:0.7 0.0000231 1.54 AML other m 2023-08-18T21:36:11.86
IV.CAMP.HHE. ML:1.1 0.0000577 0.3 AML other m 2023-08-18T21:36:11.72
IV.SMA1.EHE. ML:1.2 0.00009329999999999999 0.54 AML other m 2023-08-18T21:36:12.27
IV.GIGS.HHN. ML:0.5 0.000014249999999999999 0.34 AML other m 2023-08-18T21:36:12.10
IV.RM33.EHN. ML:0.9 0.0000243 1.48 AML other m 2023-08-18T21:36:16.16
IV.RM33.EHE. ML:0.9 0.00002715 0.18 AML other m 2023-08-18T21:36:18.29
IV.T0110.HHN. ML:1.2 0.0000331 0.34 AML other m 2023-08-18T21:36:19.73
IV.CSP1.EHN. ML:1.6 0.00008965000000000001 1.16 AML other m 2023-08-18T21:36:21.21
IV.CSP1.EHE. ML:1.7 0.00010799999999999998 0.32 AML other m 2023-08-18T21:36:21.22
IV.T0110.HHE. ML:1.2 0.0000407 0.98 AML other m 2023-08-18T21:36:25.61
IV.FAGN.HHN. ML:1.1 0.00003275 0.34 AML other m 2023-08-18T21:36:25.23
IV.FAGN.HHE. ML:1.3 0.0000477 0.38 AML other m 2023-08-18T21:36:26.62
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