Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 15-08-2019 and time 11:20:37 (UTC) in region 2 km SW Sant'Omero (TE)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Sant'Omero (TE), on

  • 15-08-2019 11:20:37 (UTC)
  • 15-08-2019 13:20:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 13.7860 at 27 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.

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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
Sant'Omero TE 3 5243 5243
Bellante TE 3 7152 12395
Torano Nuovo TE 6 1611 14006
Nereto TE 6 5242 19248
Corropoli TE 8 5045 24293
Ancarano TE 8 1857 26150
Sant'Egidio alla Vibrata TE 9 9811 35961
Mosciano Sant'Angelo TE 9 9308 45269
Campli TE 9 7209 52478
Civitella del Tronto TE 10 5116 57594
Controguerra TE 10 2436 60030
Maltignano AP 11 2401 62431
Castellalto TE 11 7513 69944
Tortoreto TE 11 11542 81486
Colli del Tronto AP 13 3668 85154
Castel di Lama AP 13 8634 93788
Alba Adriatica TE 13 12353 106141
Colonnella TE 13 3734 109875
Spinetoli AP 14 7215 117090
Canzano TE 14 1934 119024
Folignano AP 14 9241 128265
Teramo TE 14 54892 183157
Giulianova TE 14 24050 207207
Monsampolo del Tronto AP 14 4611 211818
Notaresco TE 15 6907 218725
Castorano AP 15 2380 221105
Morro d'Oro TE 16 3661 224766
Torricella Sicura TE 16 2641 227407
Martinsicuro TE 17 16033 243440
Monteprandone AP 17 12655 256095
Appignano del Tronto AP 18 1785 257880
Ascoli Piceno AP 19 49407 307287
Penna Sant'Andrea TE 20 1698 308985
Basciano TE 20 2434 311419
Acquaviva Picena AP 20 3831 315250
Offida AP 20 5058 320308
Cermignano TE 20 1649 321957

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Teramo (54892 inhabitants)
41 Km NW of Montesilvano (53738 inhabitants)
49 Km NW of Pescara (121014 inhabitants)
56 Km NW of Chieti (51815 inhabitants)
56 Km NE of L'Aquila (69753 inhabitants)
91 Km E of Foligno (57155 inhabitants)
96 Km E of Terni (111501 inhabitants)
97 Km S of Ancona (100861 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 1.2 2019-08-15
11:20:37		 42.7695 13.786 27 2019-08-15
11:53:04		 Sala Sismica INGV-Roma 71515121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-15 11:20:37 ± 0.27
Latitude 42.7695 ± 0.0099
Longitude 13.7860 ± 0.0147
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71515121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1013
Semi-minor axis of confidence ellipse (meter) 817
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53330
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 71515121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 11:53:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GORR.HHZ. 2019-08-15T11:22:35.49 3.0 undecidable manual Sg 15.65 0
GU.CANO.HHZ. 2019-08-15T11:22:35.17 3.0 undecidable manual Sn 2.57 0
GU.TRAV.HHZ. 2019-08-15T11:22:10.98 3.0 negative manual Pg 16.940001 0
IV.BOB.HHZ. 2019-08-15T11:21:45.23 3.0 negative manual Pg 10.65 0
IV.CET2.HHZ. 2019-08-15T11:21:44.81 3.0 undecidable manual Pg 12.26 0
IV.CTI.HHZ. 2019-08-15T11:21:42.93 3.0 undecidable manual Pg 8.77 0
IT.ORP.HGZ. 2019-08-15T11:21:32.28 3.0 undecidable manual Sn -0.92 0
IV.PTRJ.HHZ. 2019-08-15T11:21:22.59 3.0 undecidable manual S -1.37 0
IV.MCRV.HHZ. 2019-08-15T11:21:19.74 3.0 undecidable manual Pg 6.23 0
IV.SAMA.HHZ. 2019-08-15T11:21:18.56 3.0 undecidable manual S 0.86 0
IV.SGTA.HHZ. 2019-08-15T11:21:14.75 3.0 undecidable manual Pg 4.05 0
IV.CSP1.EHZ. 2019-08-15T11:20:55.78 0.3 undecidable manual S 307 59.1963 109 -0.59 61
IV.SNTG.HHZ. 2019-08-15T11:20:53.89 3.0 positive manual P 0.6 0
IV.SMA1.EHZ. 2019-08-15T11:20:51.93 0.3 undecidable manual S 247 39.8268 118 0.32 68
IV.MF5.EHZ. 2019-08-15T11:20:50.63 0.6 undecidable manual S 313 35.9418 121 -0.07 48
IV.MTRA.HNZ. 2019-08-15T11:20:49.44 0.3 undecidable manual S 268 31.746 125 -0.33 69
IV.CSP1.EHZ. 2019-08-15T11:20:48.11 0.6 positive manual P 307 59.1963 109 -0.24 45
IV.OFFI.HHZ. 2019-08-15T11:20:47.76 0.3 undecidable manual S 336 20.0688 139 0.31 71
IV.TERO.HHZ. 2019-08-15T11:20:47.90 0.6 undecidable manual S 222 22.0668 137 0.1 49
IV.MNTT.EHZ. 2019-08-15T11:20:45.60 0.1 undecidable manual P 335 35.9418 121 0.52 87
IV.SMA1.EHZ. 2019-08-15T11:20:45.85 0.1 undecidable manual P 247 39.8268 118 0.25 92
IV.MF5.EHZ. 2019-08-15T11:20:45.00 0.6 negative manual P 313 35.9418 121 -0.08 48
IV.TRTR.HHZ. 2019-08-15T11:20:45.83 0.6 undecidable manual S 68 11.2776 155 -0.34 48
IV.MTRA.HNZ. 2019-08-15T11:20:44.33 0.1 undecidable manual P 268 31.746 125 -0.21 94
IV.TERO.HHZ. 2019-08-15T11:20:43.51 0.1 undecidable manual P 222 22.0668 137 0.11 98
IV.OFFI.HHZ. 2019-08-15T11:20:43.25 0.6 negative manual P 336 20.0688 139 0.05 50
IV.TRTR.HHZ. 2019-08-15T11:20:42.33 0.1 negative manual P 68 11.2776 155 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.8 0.0002605 0.8 AML other m 2019-08-15T11:20:47.92
IV.OFFI.HHN. ML:1.9 0.000361 1.36 AML other m 2019-08-15T11:20:49.88
IV.TERO.HHE. ML:1.1 0.00005009465 0.16 AML other m 2019-08-15T11:20:47.96
IV.TERO.HHN. ML:1.1 0.000050744655 0.2176 AML other m 2019-08-15T11:20:48.24
IV.SMA1.EHE. ML:1.0 0.000023608985 0.1792 AML other m 2019-08-15T11:20:52.34
IV.SMA1.EHN. ML:1.2 0.000050482685 0.1408 AML other m 2019-08-15T11:20:52.28
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