Earthquake with magnitude of ML 0.1 on date 26-10-2017 and time 04:22:43 (Italy) in region 3 km W Montegallo (AP)

A magnitude ML 0.1 earthquake occured in region: 3 km W Montegallo (AP), on

  • 26-10-2017 02:22:43 (UTC)
  • 26-10-2017 04:22:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.84, 13.29 at 11 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 3 523 523
Montemonaco AP 7 604 1127
Arquata del Tronto AP 8 1178 2305
Montefortino FM 12 1178 3483
Acquasanta Terme AP 13 2916 6399
Castelsantangelo sul Nera MC 13 281 6680
Palmiano AP 15 196 6876
Roccafluvione AP 15 2010 8886
Comunanza AP 16 3166 12052
Amandola FM 16 3629 15681
Venarotta AP 17 2066 17747
Ussita MC 17 444 18191
Accumoli RI 17 667 18858
Norcia PG 17 4957 23815
Bolognola MC 18 142 23957
Visso MC 19 1107 25064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Teramo (54892 inhabitants)
50 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
62 Km NE of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
79 Km E of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km S of Ancona (100861 inhabitants)
90 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
Rev 100 ML 0.1 2017-10-26
02:22:43
42.84 13.29 11 2017-10-26
09:49:14
Sala Sismica INGV-Roma 51331151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-26 02:22:43 ± 0.06
Latitude 42.84 ± 0.00
Longitude 13.29 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 51331151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 835
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 840
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.31746
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 51331151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-10-26 09:49:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-10-26T02:22:55.88 0.3 undecidable manual S 134 0.3175 50 0.34 68
IV.FDMO.HHZ. 2017-10-26T02:22:53.27 0.3 undecidable manual S 322 0.2446 50 -0.12 72
IV.CSP1.EHZ. 2017-10-26T02:22:53.71 0.3 undecidable manual S 345 0.2563 50 -0.02 74
IV.SMA1.EHZ. 2017-10-26T02:22:52.49 0.3 undecidable manual S 172 0.2158 50 -0.04 74
IV.TERO.HHZ. 2017-10-26T02:22:50.64 0.1 undecidable manual P 134 0.3175 50 0.11 95
IV.CSP1.EHZ. 2017-10-26T02:22:49.43 0.1 undecidable manual P 345 0.2563 50 -0.05 98
IV.MTRA.EHZ. 2017-10-26T02:22:49.46 0.3 undecidable manual S 139 0.1151 131 -0.07 75
IV.FDMO.HHZ. 2017-10-26T02:22:49.13 0.1 undecidable manual P 322 0.2446 50 -0.16 96
IV.MC2.EHZ. 2017-10-26T02:22:49.31 0.3 undecidable manual S 311 0.1025 134 0.15 74
IV.MMO1.EHZ. 2017-10-26T02:22:48.06 0.3 undecidable manual S 23 0.0603 149 -0.08 76
IV.SMA1.EHZ. 2017-10-26T02:22:48.76 0.1 undecidable manual P 172 0.2158 50 -0.03 99
IV.MC2.EHZ. 2017-10-26T02:22:47.08 0.1 undecidable manual P 311 0.1025 134 0.24 97
IV.MTRA.EHZ. 2017-10-26T02:22:46.70 0.1 undecidable manual P 139 0.1151 131 -0.35 94
IV.MMO1.EHZ. 2017-10-26T02:22:46.38 0.1 undecidable manual P 23 0.0603 149 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.4 2.3007505E-5 0.22 AML other m 2017-10-26T02:22:49.92
IV.MTRA.EHN. ML:0.2 1.2531285E-5 0.18 AML other m 2017-10-26T02:22:49.52
IV.FDMO.HHN. ML:0 6.21331795E-6 0.22 AML other m 2017-10-26T02:22:53.39
IV.TERO.HHN. ML:0.1 3.790291E-6 0.06 AML other m 2017-10-26T02:22:56.14
IV.TERO.HHE. ML:0.1 6.3618465E-6 0.12 AML other m 2017-10-26T02:22:56.20
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download