Earthquake (quarry blast) with magnitude of ML 1.2 on date 26-10-2018 and time 10:43:38 (Italy) in region 5 km SE Genga (AN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 5 km SE Genga (AN), on

  • 26-10-2018 08:43:38 (UTC)
  • 26-10-2018 10:43:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4, 12.98 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Genga AN 6 1797 1797
Serra San Quirico AN 6 2850 4647
Poggio San Vicino MC 8 246 4893
Cerreto d'Esi AN 8 3817 8710
Fabriano AN 9 31480 40190
Mergo AN 9 1037 41227
Sassoferrato AN 11 7285 48512
Rosora AN 12 1985 50497
Apiro MC 12 2280 52777
Cupramontana AN 12 4756 57533
Arcevia AN 12 4612 62145
Castelplanio AN 14 3540 65685
Maiolati Spontini AN 14 6248 71933
Poggio San Marcello AN 15 693 72626
Matelica MC 16 9981 82607
Monte Roberto AN 16 3061 85668
Montecarotto AN 16 1987 87655
Esanatoglia MC 16 2034 89689
Castelbellino AN 17 4947 94636
San Paolo di Jesi AN 17 933 95569
Staffolo AN 17 2253 97822
Serra de' Conti AN 17 3746 101568
Gagliole MC 19 620 102188
Cingoli MC 19 10352 112540

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of Ancona (100861 inhabitants)
50 Km S of Fano (60888 inhabitants)
54 Km NE of Foligno (57155 inhabitants)
58 Km S of Pesaro (94582 inhabitants)
58 Km NE of Perugia (166134 inhabitants)
81 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
97 Km N of Terni (111501 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 1000 ML 1.2 2018-10-26
08:43:38
43.4 12.99 1 2019-06-04
09:16:14
Bollettino Sismico Italiano INGV 68084131
Rev 100 ML 1.2 2018-10-26
08:43:37
43.41 13 8 2018-10-26
08:53:06
Sala Sismica INGV-Roma 62348691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-26 08:43:38 ± 0.14
Latitude 43.40 ± 0.01
Longitude 12.99 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 68084131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1330
Semi-minor axis of confidence ellipse (meter) 830
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 68084131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-29 08:46:29

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 62348691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-26 08:53:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2018-10-26T08:43:45.68 0.3 undecidable manual P 152 0.3444 91 -0.31 68
IV.PIEI.HHZ. 2018-10-26T08:43:45.68 0.1 undecidable manual P 293 0.3552 91 -0.55 85
IV.SSFR.HHZ. 2018-10-26T08:43:42.00 0.1 undecidable manual P 285 0.1529 92 0.26 95
IV.SNTG.HHZ. 2018-10-26T08:43:41.87 0.1 undecidable manual P 193 0.1457 92 0.3 94
IV.ARVD.HHZ. 2018-10-26T08:43:40.78 0.1 undecidable manual P 343 0.1061 92 0.08 99
IV.EL6.EHZ. 2018-10-26T08:43:40.71 0.1 undecidable manual P 128 0.1079 92 -0.04 100
IV.MMUR.HNZ. 2018-10-26T08:43:39.48 0.1 undecidable manual P 11 0.0459 96 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:0 0.000132 0.16 AML other m 2018-10-26T08:43:43.24
IV.ARVD.HHN. ML:0 0.000131 0.98 AML other m 2018-10-26T08:43:43.80
IV.EL6.EHE. ML:0 0.0004905 0.36 AML other m 2018-10-26T08:43:44.82
IV.SNTG.HHE. ML:0 0.0001053 0.22 AML other m 2018-10-26T08:43:45.35
IV.EL6.EHN. ML:0 0.0005 1.2 AML other m 2018-10-26T08:43:45.36
IV.SNTG.HHN. ML:0 0.0001915 1.48 AML other m 2018-10-26T08:43:45.84
IV.SSFR.HNN. ML:1.4 0.00028620485 0.0352 AML other m 2018-10-26T08:43:46.85
IV.SSFR.HHN. ML:0 0.00019 0.1 AML other m 2018-10-26T08:43:47.89
IV.SSFR.HHE. ML:0 0.000213 1.22 AML other m 2018-10-26T08:43:48.69
IV.PIEI.HHN. ML:0.9 3.152214E-5 0.2624 AML other m 2018-10-26T08:43:52.40
IV.PIEI.HHE. ML:1.2 6.321363E-5 0.6976 AML other m 2018-10-26T08:43:54.16
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