Earthquake with magnitude of ML 1.0 on date 16-01-2017 and time 03:53:57 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 16-01-2017 02:53:57 (UTC)
  • 16-01-2017 03:53:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.78, 13.23 at 0 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
Montegallo AP 11 523 2368
Norcia PG 11 4957 7325
Castelsantangelo sul Nera MC 14 281 7606
Acquasanta Terme AP 15 2916 10522
Montemonaco AP 16 604 11126
Amatrice RI 17 2657 13783
Cittareale RI 19 482 14265
Cascia PG 19 3217 17482
Preci PG 19 724 18206
Ussita MC 20 444 18650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
50 Km N 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)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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
Rev 100 ML 1.0 2017-01-16
02:53:57
42.78 13.23 1 2017-01-16
03:06:55
Sala Sismica INGV-Roma 39118831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-16 02:53:57 ± 0.14
Latitude 42.78 ± 0.00
Longitude 13.23 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39118831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1200
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0
Num. used stations 1
Type of magnitude ML
Reference to an origin 39118831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-16 03:06:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PIGN.HHZ. 2017-01-16T02:54:58.42 3.0 undecidable manual Sg 6.79 0
GU.SARM.EHZ. 2017-01-16T02:54:57.01 3.0 undecidable manual Sn 0.52 0
IV.VAGA.HHZ. 2017-01-16T02:54:48.31 3.0 undecidable manual Sg 1.65 0
IV.TRIF.HHZ. 2017-01-16T02:54:22.24 3.0 undecidable manual Pn 2.93 0
IV.PE3.EHZ. 2017-01-16T02:54:14.95 3.0 undecidable manual S -1.29 0
IV.RM33.EHZ. 2017-01-16T02:54:07.49 0.6 undecidable manual S 182 0.2707 91 -0.55 45
IV.LNSS.HHZ. 2017-01-16T02:54:06.48 0.6 undecidable manual S 218 0.2248 91 0.2 49
IV.T1220.EHZ. 2017-01-16T02:54:05.33 0.1 undecidable manual P 343 0.3462 91 0.01 100
IV.CSP1.EHZ. 2017-01-16T02:54:04.70 0.1 undecidable manual P 357 0.313 91 0.13 98
IV.T1299.EHZ. 2017-01-16T02:54:03.58 0.6 undecidable manual S 165 0.1502 92 0.18 50
IV.RM33.EHZ. 2017-01-16T02:54:03.22 1.0 undecidable manual P 182 0.2707 91 -0.41 23
IV.LNSS.HHZ. 2017-01-16T02:54:02.53 1.0 negative manual P 218 0.2248 91 -0.09 25
IV.T1299.EHZ. 2017-01-16T02:54:01.08 1.0 negative manual P 165 0.1502 92 0.13 25
IV.T1212.EHZ. 2017-01-16T02:54:01.16 1.0 undecidable manual P 258 0.1394 92 0.45 24
IV.T1218.EHZ. 2017-01-16T02:54:00.91 0.1 positive manual P 218 0.1385 92 0.22 100
IV.NRCA.HHZ. 2017-01-16T02:53:59.42 0.3 undecidable manual P 302 0.1007 93 -0.44 72
IV.CIMA.HNZ. 2017-01-16T02:53:51.01 3.0 undecidable manual P 2.22 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1 0.000164 0.12 AML other m 2017-01-16T02:54:03.60
IV.NRCA.HHE. ML:1 0.0001665 0.1 AML other m 2017-01-16T02:54:04.65
IV.T1214.HNE. ML:0 0.001635 0.28 AML other m 2017-01-16T02:54:00.36
IV.T1214.HNN. ML:0 0.0009805 0.62 AML other m 2017-01-16T02:54:00.57
IV.T1214.EHN. ML:0 0.00094 0.12 AML other m 2017-01-16T02:54:00.20
IV.T1214.EHE. ML:0 0.001545 0.28 AML other m 2017-01-16T02:54:00.36
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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