Earthquake with magnitude of ML 1.1 on date 15-08-2017 and time 23:24:59 (Italy) in region 6 km W Montemonaco (AP)

A magnitude ML 1.1 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 15-08-2017 21:24:59 (UTC)
  • 15-08-2017 23:24:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 13.2610 at 19 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
Montemonaco AP 6 604 604
Montegallo AP 8 523 1127
Castelsantangelo sul Nera MC 9 281 1408
Montefortino FM 9 1178 2586
Ussita MC 12 444 3030
Bolognola MC 12 142 3172
Amandola FM 13 3629 6801
Arquata del Tronto AP 13 1178 7979
Visso MC 15 1107 9086
Comunanza AP 15 3166 12252
Palmiano AP 16 196 12448
Sarnano MC 17 3264 15712
Acquacanina MC 17 121 15833
Norcia PG 17 4957 20790
Roccafluvione AP 18 2010 22800
Acquasanta Terme AP 18 2916 25716
Preci PG 18 724 26440
Fiastra MC 18 559 26999
Venarotta AP 19 2066 29065
Montefalcone Appennino FM 20 424 29489
Smerillo FM 20 365 29854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
62 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
84 Km S of Ancona (100861 inhabitants)
84 Km NW of Montesilvano (53738 inhabitants)
91 Km NW of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 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 2017-08-15
21:24:59
42.8902 13.261 19 2017-08-15
21:31:33
Sala Sismica INGV-Roma 49064361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-15 21:24:59 ± 0.07
Latitude 42.8902 ± 0.0027
Longitude 13.2610 ± 0.0049
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 49064361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 49064361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-15 21:31:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1218.EHZ. 2017-08-15T21:25:09.52 0.3 undecidable manual S 206 27.1506 115 0.22 70
IV.SMA1.EHZ. 2017-08-15T21:25:09.87 0.3 undecidable manual S 168 29.4483 112 0 72
IV.EL6.EHZ. 2017-08-15T21:25:08.59 3.0 positive manual P 0.03 0
IV.CSP1.EHZ. 2017-08-15T21:25:08.39 0.3 undecidable manual S 348 22.8549 120 0.11 71
IV.MTRA.EHZ. 2017-08-15T21:25:07.08 0.3 undecidable manual S 143 18.4704 127 -0.23 71
IV.FDMO.HHZ. 2017-08-15T21:25:07.83 0.1 undecidable manual S 319 21.4674 122 -0.15 94
IV.T1256.HHZ. 2017-08-15T21:25:06.30 0.1 undecidable manual S 348 13.1757 139 0.03 98
IV.NRCA.HHZ. 2017-08-15T21:25:06.22 0.1 undecidable manual S 242 13.4754 138 -0.11 96
IV.T1299.EHZ. 2017-08-15T21:25:05.21 0.1 undecidable manual P 177 28.4493 113 0.02 96
IV.MMO1.EHZ. 2017-08-15T21:25:05.16 0.1 undecidable manual S 79 5.4945 161 -0.06 100
IV.T1218.EHZ. 2017-08-15T21:25:05.08 0.1 undecidable manual P 206 27.1506 115 0.07 95
IV.MC2.EHZ. 2017-08-15T21:25:05.54 0.3 undecidable manual S 292 6.2937 158 0.24 72
IV.CESI.HHZ. 2017-08-15T21:25:05.66 0.3 undecidable manual P 294 31.6461 110 0.02 71
IV.SMA1.EHZ. 2017-08-15T21:25:05.18 0.3 undecidable manual P 168 29.4483 112 -0.15 70
IV.FDMO.HHZ. 2017-08-15T21:25:04.14 0.1 undecidable manual P 319 21.4674 122 -0.1 95
IV.CSP1.EHZ. 2017-08-15T21:25:04.43 0.1 undecidable manual P 348 22.8549 120 0.02 97
IV.NRCA.HHZ. 2017-08-15T21:25:03.25 0.1 undecidable manual P 242 13.4754 138 -0.04 98
IV.T1256.HHZ. 2017-08-15T21:25:03.31 0.1 undecidable manual P 348 13.1757 139 0.06 98
IV.MTRA.EHZ. 2017-08-15T21:25:03.80 0.3 undecidable manual P 143 18.4704 127 -0.06 73
IV.MC2.EHZ. 2017-08-15T21:25:02.88 0.1 undecidable manual P 292 6.2937 158 0.19 96
IV.MMO1.EHZ. 2017-08-15T21:25:02.64 0.1 undecidable manual P 79 5.4945 161 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.2 0.0001237986 0.74 AML other m 2017-08-15T21:25:05.24
IV.NRCA.HHN. ML:1.0 0.00008212823499999999 0.08 AML other m 2017-08-15T21:25:06.29
IV.NRCA.HHE. ML:1.5 0.00021774569999999998 0.12 AML other m 2017-08-15T21:25:06.91
IV.NRCA.HNE. ML:1.4 0.000200431475 0.1 AML other m 2017-08-15T21:25:06.91
IV.T1256.HNN. ML:1.2 0.00011030192 0.64 AML other m 2017-08-15T21:25:03.85
IV.T1256.HNE. ML:1.2 0.00010870199 0.22 AML other m 2017-08-15T21:25:06.36
IV.T1256.HHE. ML:0.9 0.00005423468000000001 0.12 AML other m 2017-08-15T21:25:06.46
IV.T1256.HHN. ML:1.0 0.00006772448 0.14 AML other m 2017-08-15T21:25:06.40
IV.MTRA.HNE. ML:1.4 0.000136552915 0.91 AML other m 2017-08-15T21:25:14.57
IV.MTRA.HNN. ML:1.4 0.0001464722 0.57 AML other m 2017-08-15T21:25:08.25
IV.MTRA.EHN. ML:0.8 0.000040114435 0.24 AML other m 2017-08-15T21:25:07.57
IV.MTRA.EHE. ML:1.1 0.000079615075 0.22 AML other m 2017-08-15T21:25:07.70
IV.FDMO.HHN. ML:1.0 0.000050677890000000004 0.28 AML other m 2017-08-15T21:25:08.20
IV.FDMO.HHE. ML:0.8 0.000034242309999999996 0.2 AML other m 2017-08-15T21:25:07.89
IV.T1218.EHN. ML:1.1 0.000061513255 0.24 AML other m 2017-08-15T21:25:10.03
IV.T1218.HNN. ML:1.2 0.00008113996 0.224 AML other m 2017-08-15T21:25:10.04
IV.T1218.HNE. ML:1.8 0.00025817885 1.2 AML other m 2017-08-15T21:25:06.71
IV.T1218.EHE. ML:1.1 0.000057333045 0.16 AML other m 2017-08-15T21:25:09.68
IV.SMA1.EHE. ML:0.8 0.000027456805 0.14 AML other m 2017-08-15T21:25:09.97
IV.SMA1.EHN. ML:1.1 0.000047960095 0.24 AML other m 2017-08-15T21:25:10.02
IV.T1299.HNE. ML:1.4 0.00011883695 1.19 AML other m 2017-08-15T21:25:04.43
IV.T1299.EHN. ML:0.5 0.000015975335000000002 0.16 AML other m 2017-08-15T21:25:10.08
IV.T1299.EHE. ML:0.7 0.000017626026999999997 0.14 AML other m 2017-08-15T21:25:10.50
IV.T1299.HNN. ML:1.6 0.00015556365 1.01 AML other m 2017-08-15T21:25:19.62
IV.CESI.HHE. ML:0.8 0.000023747655 0.3 AML other m 2017-08-15T21:25:10.88
IV.CESI.HHN. ML:0.9 0.00003277938 0.2 AML other m 2017-08-15T21:25:11.06
IV.EL6.EHE. ML:0.8 0.0000137210935 1.18 AML other m 2017-08-15T21:25:31.28
IV.EL6.EHN. ML:0.9 0.000020093240000000002 1.3 AML other m 2017-08-15T21:25:30.31
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