Earthquake with magnitude of ML 1.1 on date 27-02-2017 and time 11:42:47 (Italy) in region 7 km W Montegallo (AP)

A magnitude ML 1.1 earthquake occured in region: 7 km W Montegallo (AP), on

  • 27-02-2017 10:42:47 (UTC)
  • 27-02-2017 11:42:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8600, 13.2470 at 20 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
Montegallo AP 7 523 523
Montemonaco AP 8 604 1127
Castelsantangelo sul Nera MC 9 281 1408
Arquata del Tronto AP 11 1178 2586
Montefortino FM 12 1178 3764
Ussita MC 13 444 4208
Norcia PG 15 4957 9165
Bolognola MC 15 142 9307
Visso MC 15 1107 10414
Amandola FM 16 3629 14043
Acquasanta Terme AP 17 2916 16959
Preci PG 17 724 17683
Comunanza AP 18 3166 20849
Palmiano AP 18 196 21045
Accumoli RI 18 667 21712
Roccafluvione AP 19 2010 23722
Acquacanina MC 20 121 23843

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
59 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
87 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 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 2017-02-27
10:42:47
42.8605 13.2468 20 2017-02-27
10:55:24
Sala Sismica INGV-Roma 41693681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-27 10:42:47 ± 0.09
Latitude 42.8605 ± 0.0036
Longitude 13.2468 ± 0.0049
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41693681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 41693681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-27 10:55:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-02-27T10:43:01.06 0.3 undecidable manual S 132 39.2274 108 -0.24 68
IV.CSP1.EHZ. 2017-02-27T10:42:58.01 0.6 undecidable manual S 352 25.8519 119 0 48
IV.T1219.EHZ. 2017-02-27T10:42:58.77 1.0 undecidable manual S 318 29.2485 115 -0.05 24
IV.T1218.EHZ. 2017-02-27T10:42:57.50 0.3 undecidable manual S 207 23.6541 122 -0.01 73
IV.T1212.EHZ. 2017-02-27T10:42:56.62 0.6 undecidable manual S 234 20.4684 127 -0.17 48
IV.FDMO.HHZ. 2017-02-27T10:42:56.97 0.6 undecidable manual S 326 23.4543 122 -0.48 44
IV.T1241.EHZ. 2017-02-27T10:42:55.62 0.6 undecidable manual S 92 14.9739 137 -0.09 48
IV.TERO.HHZ. 2017-02-27T10:42:55.87 0.6 positive manual P 132 39.2274 108 0.2 46
IV.T1219.EHZ. 2017-02-27T10:42:54.40 0.1 undecidable manual P 318 29.2485 115 0.16 94
IV.MC2.EHZ. 2017-02-27T10:42:54.79 0.6 undecidable manual S 320 7.3815 157 0.2 48
IV.NRCA.HHZ. 2017-02-27T10:42:54.96 0.6 undecidable manual S 255 11.1777 146 -0.12 49
IV.FDMO.HHZ. 2017-02-27T10:42:53.40 1.0 positive manual P 326 23.4543 122 -0.05 24
IV.T1218.EHZ. 2017-02-27T10:42:53.65 1.0 positive manual P 207 23.6541 122 0.16 24
IV.CSP1.EHZ. 2017-02-27T10:42:53.80 1.0 positive manual P 352 25.8519 119 0.03 24
IV.T1212.EHZ. 2017-02-27T10:42:53.15 1.0 negative manual P 234 20.4684 127 0.08 24
IV.T1241.EHZ. 2017-02-27T10:42:52.49 0.6 undecidable manual P 92 14.9739 137 0.04 50
IV.T1216.EHZ. 2017-02-27T10:42:52.88 3.0 negative manual P 0.06 0
IV.NRCA.HHZ. 2017-02-27T10:42:52.09 0.1 negative manual P 255 11.1777 146 0.01 100
IV.MC2.EHZ. 2017-02-27T10:42:51.95 0.1 negative manual P 320 7.3815 157 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:0.9 0.000034535 0.14 AML other m 2017-02-27T10:42:58.36
IV.CSP1.EHE. ML:0.8 0.000028665 0.96 AML other m 2017-02-27T10:42:58.48
IV.NRCA.HHE. ML:1.5 0.00023349999999999998 0.16 AML other m 2017-02-27T10:42:55.16
IV.NRCA.HHN. ML:1.4 0.0001615 0.18 AML other m 2017-02-27T10:42:55.08
IV.T1241.EHE. ML:1.0 0.00007209999999999999 0.28 AML other m 2017-02-27T10:42:55.90
IV.T1241.EHN. ML:1.0 0.00006214999999999999 0.12 AML other m 2017-02-27T10:42:55.91
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