Earthquake with magnitude of ML 1.1 on date 19-08-2019 and time 17:06:57 (UTC) in region 5 km NW Acquasanta Terme (AP)

A magnitude ML 1.1 earthquake occured in region: 5 km NW Acquasanta Terme (AP), on

  • 19-08-2019 17:06:57 (UTC)
  • 19-08-2019 19:06:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8080, 13.3880 at 22 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
Acquasanta Terme AP 5 2916 2916
Montegallo AP 6 523 3439
Arquata del Tronto AP 8 1178 4617
Roccafluvione AP 9 2010 6627
Montemonaco AP 11 604 7231
Palmiano AP 12 196 7427
Venarotta AP 12 2066 9493
Valle Castellana TE 12 977 10470
Montefortino FM 16 1178 11648
Ascoli Piceno AP 16 49407 61055
Comunanza AP 17 3166 64221
Accumoli RI 17 667 64888
Rocca Santa Maria TE 18 537 65425
Force AP 19 1354 66779
Amandola FM 19 3629 70408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
58 Km E of Foligno (57155 inhabitants)
66 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
78 Km NW of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
88 Km E of Perugia (166134 inhabitants)
91 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 1.1 2019-08-19
17:06:57
42.8082 13.3878 22 2019-08-19
17:17:31
Sala Sismica INGV-Roma 71629721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-19 17:06:57 ± 0.16
Latitude 42.8082 ± 0.0054
Longitude 13.3878 ± 0.0110
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71629721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 789
Semi-minor axis of confidence ellipse (meter) 567
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71629721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-19 17:17:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-08-19T17:07:09.19 0.3 undecidable manual S 335 34.8429 114 -0.73 60
IV.TERO.HHZ. 2019-08-19T17:07:08.24 0.3 undecidable manual S 139 27.0507 121 0.14 71
IV.NRCA.HNZ. 2019-08-19T17:07:07.29 0.3 undecidable manual S 277 22.4553 127 0.22 71
IV.MF5.EHZ. 2019-08-19T17:07:07.19 0.6 undecidable manual S 16 20.7681 130 0.47 45
IV.SMA1.EHZ. 2019-08-19T17:07:06.52 0.3 undecidable manual S 192 20.1687 131 -0.09 72
IV.MC2.EHZ. 2019-08-19T17:07:06.96 0.3 undecidable manual S 305 19.7691 132 0.43 68
IV.PF6.EHE. 2019-08-19T17:07:05.32 0.3 undecidable manual P 337 39.8268 111 -0.08 71
IV.MML1.EHE. 2019-08-19T17:07:05.93 0.3 undecidable manual P 315 47.8188 107 -0.65 61
IV.RM33.EHE. 2019-08-19T17:07:05.08 1.0 undecidable manual P 203 36.0417 113 0.21 23
IV.CSP1.EHZ. 2019-08-19T17:07:04.64 0.3 undecidable manual P 335 34.8429 114 -0.05 72
IV.MTRA.EHZ. 2019-08-19T17:07:04.32 0.3 undecidable manual S 173 5.7942 163 -0.14 73
IV.FDMO.HHZ. 2019-08-19T17:07:04.67 0.1 undecidable manual P 316 35.1426 114 -0.07 95
IV.MMO1.EHZ. 2019-08-19T17:07:04.97 0.1 undecidable manual S 334 11.2776 149 -0.09 98
IV.MF5.EHZ. 2019-08-19T17:07:03.03 0.3 undecidable manual P 16 20.7681 130 0.19 71
IV.TERO.HHZ. 2019-08-19T17:07:03.62 0.3 undecidable manual P 139 27.0507 121 -0.01 73
IV.NRCA.HNZ. 2019-08-19T17:07:03.10 0.3 undecidable manual P 277 22.4553 127 0.06 73
IV.SMA1.EHZ. 2019-08-19T17:07:02.86 0.1 undecidable manual P 192 20.1687 131 0.08 97
IV.MC2.EHZ. 2019-08-19T17:07:02.93 0.1 undecidable manual P 305 19.7691 132 0.2 95
IV.MTRA.EHZ. 2019-08-19T17:07:01.49 0.1 undecidable manual P 173 5.7942 163 -0.05 100
IV.MMO1.EHZ. 2019-08-19T17:07:01.85 0.1 undecidable manual P 334 11.2776 149 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.2 0.0001205 0.08 AML other m 2019-08-19T17:07:04.42
IV.MTRA.EHE. ML:1.2 0.0001255 0.42 AML other m 2019-08-19T17:07:04.38
IV.SMA1.EHE. ML:1.0 0.000055665975 0.0768 AML other m 2019-08-19T17:07:06.98
IV.SMA1.EHN. ML:1.0 0.000056659899999999996 0.0896 AML other m 2019-08-19T17:07:07.07
IV.TERO.HHE. ML:0.8 0.000026059245 0.1408 AML other m 2019-08-19T17:07:08.91
IV.TERO.HHN. ML:0.8 0.000029875004999999998 0.064 AML other m 2019-08-19T17:07:08.92
IV.CSP1.EHE. ML:0.9 0.000027684135 0.1024 AML other m 2019-08-19T17:07:10.60
IV.CSP1.EHN. ML:0.9 0.000029719369000000004 0.1152 AML other m 2019-08-19T17:07:09.25
IV.FDMO.HHE. ML:1.4 0.00008199356499999999 0.1664 AML other m 2019-08-19T17:07:06.96
IV.FDMO.HHN. ML:1.3 0.00006366774 0.1536 AML other m 2019-08-19T17:07:07.03
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