Earthquake with magnitude of ML 1.1 on date 25-10-2016 and time 00:25:59 (Italy) in region 6 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 6 km E Castelsantangelo sul Nera (MC), on

  • 24-10-2016 22:25:59 (UTC)
  • 25-10-2016 00:25:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8920, 13.2320 at 3 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
Castelsantangelo sul Nera MC 6 281 281
Montemonaco AP 8 604 885
Ussita MC 10 444 1329
Montegallo AP 10 523 1852
Montefortino FM 11 1178 3030
Bolognola MC 12 142 3172
Visso MC 13 1107 4279
Amandola FM 14 3629 7908
Arquata del Tronto AP 14 1178 9086
Norcia PG 16 4957 14043
Preci PG 16 724 14767
Acquacanina MC 16 121 14888
Comunanza AP 17 3166 18054
Sarnano MC 17 3264 21318
Fiastra MC 17 559 21877
Palmiano AP 19 196 22073
Acquasanta Terme AP 20 2916 24989
Fiordimonte MC 20 202 25191

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
46 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
84 Km S of Ancona (100861 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
97 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 2016-10-24
22:25:59
42.8922 13.2325 3 2016-10-24
22:40:41
Sala Sismica INGV-Roma 30518081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-24 22:25:59 ± 0.21
Latitude 42.8922 ± 0.0072
Longitude 13.2325 ± 0.0049
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30518081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 764
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 30518081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-24 22:40:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2016-10-24T22:26:07.38 1.0 undecidable manual S 324 19.869 98 0.56 22
IV.T1241.EHZ. 2016-10-24T22:26:05.87 0.6 undecidable manual S 104 16.6722 100 0.15 48
IV.T1241.EHZ. 2016-10-24T22:26:03.02 0.6 positive manual P 104 16.6722 100 -0.21 47
IV.FDMO.HHZ. 2016-10-24T22:26:03.83 0.1 undecidable manual P 324 19.869 98 -0.05 97
IV.MMO1.EHZ. 2016-10-24T22:26:02.77 0.6 undecidable manual S 84 7.6812 111 0.06 50
IV.T1245.HHZ. 2016-10-24T22:26:01.18 0.1 undecidable manual P 222 5.3946 119 0.1 99
IV.MMO1.EHZ. 2016-10-24T22:26:01.49 0.1 positive manual P 84 7.6812 111 -0.01 100
IV.MC2.EHZ. 2016-10-24T22:26:00.73 0.1 undecidable manual P 301 4.0959 126 -0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.000192 0.1 AML other m 2016-10-24T22:26:04.95
IV.NRCA.HHN. ML:1.2 0.00021799999999999999 0.76 AML other m 2016-10-24T22:26:04.69
IV.T1245.HHN. ML:1.6 0.0007190000000000001 0.26 AML other m 2016-10-24T22:26:02.74
IV.T1245.HHE. ML:1.5 0.000571 1.04 AML other m 2016-10-24T22:26:02.99
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