Earthquake with magnitude of ML 1.0 on date 23-11-2018 and time 17:36:13 (Italy) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 23-11-2018 16:36:13 (UTC)
  • 23-11-2018 17:36:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.2530 at 9 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 4 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 11 667 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 13 4957 10241
Montemonaco AP 14 604 10845
Castelsantangelo sul Nera MC 14 281 11126
Amatrice RI 18 2657 13783
Montefortino FM 19 1178 14961
Ussita MC 20 444 15405
Roccafluvione AP 20 2010 17415

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
50 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Reviewed
Rev100
ML 1.0 2018-11-23
16:36:13
42.7898 13.2527 9 2018-11-23
16:43:23
Sala Sismica INGV-Roma 63311301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-23 16:36:13 ± 0.08
Latitude 42.7898 ± 0.0036
Longitude 13.2527 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63311301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.30757
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 63311301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-23 16:43:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2018-11-23T16:36:25.43 0.3 undecidable manual S 123 34.1436 50 -0.19 69
IV.RM33.EHZ. 2018-11-23T16:36:25.14 0.3 undecidable manual S 186 31.3464 50 0.27 70
IV.CAMP.HHE. 2018-11-23T16:36:24.44 0.3 undecidable manual S 156 30.9468 50 -0.33 68
IV.MF5.EHE. 2018-11-23T16:36:24.57 0.3 undecidable manual S 37 27.6501 109 0.79 58
IV.LNSS.HHN. 2018-11-23T16:36:24.01 0.3 undecidable manual S 220 27.0507 109 0.45 66
IV.TERO.HHZ. 2018-11-23T16:36:20.39 0.3 undecidable manual P 123 34.1436 50 -0.17 70
IV.SMA1.EHZ. 2018-11-23T16:36:20.97 0.3 undecidable manual S 159 18.87 116 0.01 73
IV.CAMP.HHE. 2018-11-23T16:36:20.01 0.3 undecidable manual P 156 30.9468 50 -0.06 72
IV.FDMO.HHE. 2018-11-23T16:36:19.36 0.6 undecidable manual P 334 30.4473 50 -0.64 41
IV.MC2.EHZ. 2018-11-23T16:36:19.52 0.3 undecidable manual S 339 14.4744 123 -0.09 75
IV.RM33.EHZ. 2018-11-23T16:36:19.92 0.3 undecidable manual P 186 31.3464 50 -0.21 70
IV.MF5.EHE. 2018-11-23T16:36:19.81 0.1 undecidable manual P 37 27.6501 109 0.31 91
IV.LNSS.HHN. 2018-11-23T16:36:19.52 0.3 undecidable manual P 220 27.0507 109 0.14 71
IV.NRCA.HHZ. 2018-11-23T16:36:18.77 0.3 undecidable manual S 293 12.2766 127 -0.22 73
IV.MMO1.EHZ. 2018-11-23T16:36:18.95 0.3 undecidable manual S 26 13.5753 124 -0.4 70
IV.MTRA.EHZ. 2018-11-23T16:36:18.97 0.3 undecidable manual S 107 12.2766 127 -0.02 75
IV.MC2.EHZ. 2018-11-23T16:36:17.16 0.3 undecidable manual P 339 14.4744 123 0.07 74
IV.SMA1.EHZ. 2018-11-23T16:36:17.96 0.3 undecidable manual P 159 18.87 116 0.09 73
IV.MMO1.EHZ. 2018-11-23T16:36:16.88 0.1 undecidable manual P 26 13.5753 124 -0.06 100
IV.MTRA.EHZ. 2018-11-23T16:36:16.89 0.3 undecidable manual P 107 12.2766 127 0.16 72
IV.NRCA.HHZ. 2018-11-23T16:36:16.76 0.1 undecidable manual P 293 12.2766 127 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.0002403115 0.0768 AML other m 2018-11-23T16:36:19.16
IV.NRCA.HNE. ML:1.3 0.00023621624999999998 0.0768 AML other m 2018-11-23T16:36:19.16
IV.NRCA.HNN. ML:1.4 0.00030757945 0.128 AML other m 2018-11-23T16:36:19.02
IV.NRCA.HHN. ML:1.4 0.00031651635 0.1408 AML other m 2018-11-23T16:36:18.95
IV.MTRA.EHE. ML:1.1 0.00014362634999999998 0.0768 AML other m 2018-11-23T16:36:19.98
IV.MTRA.HNN. ML:1.2 0.000182877 0.1536 AML other m 2018-11-23T16:36:19.65
IV.MTRA.EHN. ML:1.1 0.0001501793 0.1664 AML other m 2018-11-23T16:36:19.66
IV.MTRA.HNE. ML:1.1 0.00015671010000000002 0.0896 AML other m 2018-11-23T16:36:19.97
IV.SMA1.EHE. ML:0.8 0.00004314914 0.0896 AML other m 2018-11-23T16:36:21.54
IV.SMA1.EHN. ML:0.7 0.000039504170000000005 0.1152 AML other m 2018-11-23T16:36:21.49
IV.RM33.EHE. ML:0.7 0.000022664202 0.4352 AML other m 2018-11-23T16:36:26.43
IV.RM33.EHN. ML:0.5 0.000012522245 0.3328 AML other m 2018-11-23T16:36:25.29
IV.TERO.HHN. ML:0.8 0.000028356310000000002 0.1024 AML other m 2018-11-23T16:36:26.02
IV.TERO.HHE. ML:0.9 0.000034135325 0.1408 AML other m 2018-11-23T16:36:25.70
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download