Earthquake (quarry blast) with magnitude of ML 1.1 on date 05-10-2018 and time 13:43:26 (Italy) in region 2 km S Mergo (AN)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 2 km S Mergo (AN), on

  • 05-10-2018 11:43:26 (UTC)
  • 05-10-2018 13:43:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.46, 13.03 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
Mergo AN 2 1037 1037
Serra San Quirico AN 2 2850 3887
Rosora AN 4 1985 5872
Castelplanio AN 6 3540 9412
Poggio San Marcello AN 7 693 10105
Cupramontana AN 7 4756 14861
Maiolati Spontini AN 7 6248 21109
Montecarotto AN 8 1987 23096
Genga AN 9 1797 24893
Arcevia AN 9 4612 29505
Monte Roberto AN 9 3061 32566
Serra de' Conti AN 9 3746 36312
Castelbellino AN 10 4947 41259
Poggio San Vicino MC 10 246 41505
Apiro MC 11 2280 43785
San Paolo di Jesi AN 11 933 44718
Staffolo AN 13 2253 46971
Barbara AN 14 1368 48339
Sassoferrato AN 14 7285 55624
Cerreto d'Esi AN 16 3817 59441
Ostra Vetere AN 16 3311 62752
Fabriano AN 17 31480 94232
Castelleone di Suasa AN 17 1676 95908
Belvedere Ostrense AN 17 2234 98142
Cingoli MC 18 10352 108494
San Lorenzo in Campo PU 18 3414 111908
Jesi AN 19 40399 152307
San Marcello AN 19 2057 154364
Pergola PU 20 6333 160697
Ostra AN 20 6875 167572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km S of Fano (60888 inhabitants)
43 Km W of Ancona (100861 inhabitants)
51 Km S of Pesaro (94582 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
65 Km NE of Perugia (166134 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
93 Km E of Arezzo (99543 inhabitants)
99 Km SE of Cesena (96758 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 1.1 2018-10-05
11:43:26
43.46 13.03 1 2019-06-04
09:16:16
Bollettino Sismico Italiano INGV 68335571
Rev 100 ML 1.1 2018-10-05
11:43:26
43.45 13.03 8 2018-10-05
11:51:58
Sala Sismica INGV-Roma 61642731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-05 11:43:26 ± 0.19
Latitude 43.46 ± 0.01
Longitude 13.03 ± 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 68335571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1270
Semi-minor axis of confidence ellipse (meter) 1100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 68335571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-07 12:59:31

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 61642731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-05 11:51:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2018-10-05T11:43:36.35 0.3 undecidable manual P 261 0.4614 91 -0.65 63
IV.AOI.HHZ. 2018-10-05T11:43:35.70 0.1 undecidable manual P 77 0.4227 91 -0.43 91
IV.PE3.EHZ. 2018-10-05T11:43:35.83 0.3 undecidable manual P 302 0.4551 91 -1.03 53
IV.PIEI.HHZ. 2018-10-05T11:43:34.55 0.3 undecidable manual P 282 0.3687 91 -0.4 69
IV.MPAG.EHE. 2018-10-05T11:43:33.03 0.6 undecidable manual P 311 0.2608 91 0.49 46
IV.FOSV.EHZ. 2018-10-05T11:43:32.31 0.3 undecidable manual P 230 0.2572 91 -0.15 75
IV.FRON.EHZ. 2018-10-05T11:43:32.03 0.1 undecidable manual P 285 0.2302 91 0.16 100
IV.SNTG.HHZ. 2018-10-05T11:43:31.42 0.3 undecidable manual P 198 0.2149 91 -0.1 76
IV.COR1.HNE. 2018-10-05T11:43:31.32 0.3 undecidable manual P 352 0.1745 91 0.71 65
IV.EL6.EHZ. 2018-10-05T11:43:30.13 0.1 undecidable manual P 159 0.1394 92 0.29 99
IV.SSFR.HHZ. 2018-10-05T11:43:30.86 0.3 undecidable manual P 263 0.1835 91 0.04 78
IV.ARVD.HHZ. 2018-10-05T11:43:28.88 0.6 undecidable manual P 300 0.0764 93 0.42 49
IV.MMUR.HNZ. 2018-10-05T11:43:27.92 0.1 undecidable manual P 236 0.0315 98 0.48 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMUR.HNN. ML:0 0.0236 0.08 AML other m 2018-10-05T11:43:28.63
IV.MMUR.HNE. ML:0 0.02115 0.36 AML other m 2018-10-05T11:43:28.99
IV.ARVD.HHE. ML:0 0.000237 0.08 AML other m 2018-10-05T11:43:31.34
IV.ARVD.HHN. ML:0 0.0003125 1.12 AML other m 2018-10-05T11:43:31.84
IV.SSFR.HHE. ML:1.3 0.000173 0.48 AML other m 2018-10-05T11:43:34.94
IV.SSFR.HHN. ML:1.4 0.000222 1.34 AML other m 2018-10-05T11:43:35.05
IV.FRON.EHE. ML:0.9 4.585E-5 0.8 AML other m 2018-10-05T11:43:38.71
IV.FRON.EHN. ML:0.9 4.725E-5 1 AML other m 2018-10-05T11:43:39.29
IV.PIEI.HHE. ML:1.1 4.715E-5 0.1 AML other m 2018-10-05T11:43:41.24
IV.PIEI.HHN. ML:1 3.665E-5 0.8 AML other m 2018-10-05T11:43:41.32
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