Earthquake with magnitude of ML 0.2 on date 25-10-2015 and time 19:08:04 (Italy) in region 4 km E Sefro (MC)

A magnitude ML 0.2 earthquake occured in region: 4 km E Sefro (MC), on

  • 25-10-2015 18:08:04 (UTC)
  • 25-10-2015 19:08:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.14, 13 at 10 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
Sefro MC 4 422 422
Pioraco MC 4 1134 1556
Camerino MC 6 6974 8530
Fiuminata MC 7 1402 9932
Muccia MC 8 915 10847
Serravalle di Chienti MC 9 1070 11917
Castelraimondo MC 9 4587 16504
Pievebovigliana MC 12 866 17370
Pieve Torina MC 12 1458 18828
Gagliole MC 12 620 19448
Matelica MC 13 9981 29429
Esanatoglia MC 13 2034 31463
Fiordimonte MC 14 202 31665
Serrapetrona MC 16 966 32631
Monte Cavallo MC 17 145 32776
Nocera Umbra PG 17 5839 38615
San Severino Marche MC 18 12726 51341
Fiastra MC 18 559 51900
Caldarola MC 19 1823 53723
Acquacanina MC 19 121 53844
Gualdo Tadino PG 20 15208 69052
Belforte del Chienti MC 20 1886 70938
Cerreto d'Esi AN 20 3817 74755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
68 Km SW of Ancona (100861 inhabitants)
71 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
86 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
97 Km E of Arezzo (99543 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 0.2 2015-10-25
18:08:04
43.14 12.99 11 2015-10-25
18:13:29
Sala Sismica INGV-Roma 21950441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-10-25 18:08:04 ± 0.13
Latitude 43.14 ± 0.00
Longitude 12.99 ± 0.00
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 21950441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 260
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.16188
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 21950441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-10-25 18:13:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PE3.EHZ. 2015-10-25T18:08:26.99 3.0 undecidable manual S -0.01 0
IV.CSP1.EHZ. 2015-10-25T18:08:12.10 0.1 undecidable manual S 108 0.1619 120 0.09 98
IV.CESI.HHZ. 2015-10-25T18:08:11.80 0.3 undecidable manual S 206 0.1529 122 0.08 74
IV.SNTG.HHZ. 2015-10-25T18:08:10.64 0.1 undecidable manual S 341 0.1187 129 -0.02 100
IV.FDMO.HHZ. 2015-10-25T18:08:10.79 0.1 undecidable manual S 148 0.1259 127 -0.08 99
IV.EL6.EHZ. 2015-10-25T18:08:09.63 3.0 negative manual P 0.49 0
IV.FDMO.HHZ. 2015-10-25T18:08:08.19 0.3 undecidable manual P 148 0.1259 127 -0.11 73
IV.CESI.HHZ. 2015-10-25T18:08:08.81 0.1 undecidable manual P 206 0.1529 122 0.01 99
IV.CSP1.EHZ. 2015-10-25T18:08:08.99 1.0 undecidable manual P 108 0.1619 120 0.02 25
IV.SNTG.HHZ. 2015-10-25T18:08:08.19 0.3 positive manual P 341 0.1187 129 0.01 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.2 1.255E-5 0.42 AML other m 2015-10-25T18:08:12.10
IV.CESI.HHE. ML:0.1 1.0475E-5 1.46 AML other m 2015-10-25T18:08:12.03
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download