Earthquake (quarry blast) with magnitude of ML 1.2 on date 28-10-2015 and time 10:44:06 (UTC) in region 5 km W Appignano (MC)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 5 km W Appignano (MC), on

  • 28-10-2015 10:44:06 (UTC)
  • 28-10-2015 11:44:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.38, 13.28 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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
Appignano MC 5 4213 4213
Cingoli MC 5 10352 14565
Treia MC 8 9403 23968
Filottrano AN 8 9499 33467
Staffolo AN 10 2253 35720
San Paolo di Jesi AN 12 933 36653
Montecassiano MC 12 7125 43778
Apiro MC 12 2280 46058
Montefano MC 13 3541 49599
Santa Maria Nuova AN 13 4179 53778
Pollenza MC 13 6618 60396
Cupramontana AN 16 4756 65152
Macerata MC 16 42473 107625
Monte Roberto AN 16 3061 110686
Jesi AN 16 40399 151085
Castelbellino AN 17 4947 156032
Poggio San Vicino MC 17 246 156278
Maiolati Spontini AN 17 6248 162526
Polverigi AN 19 4508 167034
San Severino Marche MC 19 12726 179760
Tolentino MC 19 20069 199829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Ancona (100861 inhabitants)
56 Km SE of Fano (60888 inhabitants)
66 Km SE of Pesaro (94582 inhabitants)
66 Km NE of Foligno (57155 inhabitants)
79 Km E of Perugia (166134 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
95 Km SE of Rimini (147750 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 1.2 2015-10-28
10:44:06
43.38 13.28 10 2015-10-28
10:54:21
Sala Sismica INGV-Roma 21987011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-10-28 10:44:06 ± 0.29
Latitude 43.38 ± 0.01
Longitude 13.28 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 21987011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1740
Semi-minor axis of confidence ellipse (meter) 1000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 1740
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 21987011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-10-28 10:54:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2015-10-28T10:44:20.52 0.6 undecidable manual S 203 0.3714 50 0.25 47
IV.CSP1.EHZ. 2015-10-28T10:44:18.06 0.6 undecidable manual S 191 0.2923 50 0.11 49
IV.FDMO.HHZ. 2015-10-28T10:44:14.30 0.1 undecidable manual P 203 0.3714 50 -0.18 96
IV.CSP1.EHZ. 2015-10-28T10:44:13.00 0.1 undecidable manual P 191 0.2923 50 -0.14 98
IV.EL6.EHZ. 2015-10-28T10:44:12.99 0.6 undecidable manual S 250 0.1412 122 -0.05 52
IV.EL6.EHZ. 2015-10-28T10:44:10.49 0.6 positive manual P 250 0.1412 122 0.18 50
IV.CING.HHZ. 2015-10-28T10:44:10.43 0.6 undecidable manual S 267 0.0648 144 -0.41 49
IV.CING.HHZ. 2015-10-28T10:44:09.31 0.1 positive manual P 267 0.0648 144 0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHN. ML:1.5 0.000532 0.14 AML other m 2015-10-28T10:44:10.67
IV.CING.HHE. ML:1.4 0.000406 1.38 AML other m 2015-10-28T10:44:11.82
IV.FDMO.HHE. ML:0.9 2.425E-5 0.76 AML other m 2015-10-28T10:44:20.73
IV.FDMO.HHN. ML:0.9 2.335E-5 0.14 AML other m 2015-10-28T10:44:21.87
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