Earthquake with magnitude of ML 0.0 on date 01-06-2017 and time 23:38:18 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 0.0 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 01-06-2017 21:38:18 (UTC)
  • 01-06-2017 23:38:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7740, 13.2240 at 4 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
Arquata del Tronto AP 6 1178 1178
Accumoli RI 9 667 1845
Norcia PG 11 4957 6802
Montegallo AP 12 523 7325
Castelsantangelo sul Nera MC 15 281 7606
Acquasanta Terme AP 15 2916 10522
Montemonaco AP 16 604 11126
Amatrice RI 17 2657 13783
Cittareale RI 18 482 14265
Cascia PG 18 3217 17482
Preci PG 19 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 Km S of Ancona (100861 inhabitants)
100 Km E of Viterbo (67173 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
Md 0.9
ML 0.0
2017-06-01
21:38:18
42.7738 13.2242 4 2017-06-01
22:01:35
Sala Sismica INGV-Roma 46123291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-06-01 21:38:18 ± 0.65
Latitude 42.7738 ± 0.0243
Longitude 13.2242 ± 0.0159
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 46123291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2746
Semi-minor axis of confidence ellipse (meter) 1305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 2750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 260
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.31746
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.0

Field Value
Value 0.0
Uncertainty 0.0
Num. used stations 0
Type of magnitude ML
Reference to an origin 46123291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-06-01 22:01:35

Md:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude Md
Reference to an origin 46123291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-06-01 22:01:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-06-01T21:38:30.20 0.3 undecidable manual S 118 35.2425 97 -0.58 65
IV.SMA1.EHZ. 2017-06-01T21:38:25.44 0.3 undecidable manual S 150 18.2706 103 0.44 70
IV.TERO.HHZ. 2017-06-01T21:38:25.18 0.3 undecidable manual P 118 35.2425 97 -0.41 69
IV.T1299.EHZ. 2017-06-01T21:38:24.09 0.3 undecidable manual S 163 16.1727 104 -0.19 74
IV.T1218.EHZ. 2017-06-01T21:38:23.30 0.1 undecidable manual S 218 14.5743 106 -0.44 94
IV.T1299.EHZ. 2017-06-01T21:38:22.14 0.3 undecidable manual P 163 16.1727 104 0.31 73
IV.SMA1.EHZ. 2017-06-01T21:38:22.82 0.1 undecidable manual P 150 18.2706 103 0.58 90
IV.T1218.EHZ. 2017-06-01T21:38:21.69 0.1 undecidable manual P 218 14.5743 106 0.17 100
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