Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.2 on date 15-01-2020 and time 11:06:39 (UTC) in region 2 km SE Mergo (AN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 2 km SE Mergo (AN), on

  • 15-01-2020 11:06:39 (UTC)
  • 15-01-2020 12:06:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4580, 13.0520 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.

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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 3 2850 3887
Rosora AN 3 1985 5872
Castelplanio AN 5 3540 9412
Cupramontana AN 5 4756 14168
Maiolati Spontini AN 6 6248 20416
Poggio San Marcello AN 6 693 21109
Monte Roberto AN 8 3061 24170
Montecarotto AN 8 1987 26157
Castelbellino AN 8 4947 31104
Serra de' Conti AN 10 3746 34850
Poggio San Vicino MC 10 246 35096
Apiro MC 10 2280 37376
Genga AN 10 1797 39173
San Paolo di Jesi AN 10 933 40106
Arcevia AN 10 4612 44718
Staffolo AN 11 2253 46971
Barbara AN 14 1368 48339
Sassoferrato AN 16 7285 55624
Cerreto d'Esi AN 16 3817 59441
Cingoli MC 16 10352 69793
Ostra Vetere AN 16 3311 73104
Belvedere Ostrense AN 17 2234 75338
Jesi AN 17 40399 115737
Castelleone di Suasa AN 18 1676 117413
Fabriano AN 18 31480 148893
San Marcello AN 18 2057 150950
San Lorenzo in Campo PU 18 3414 154364
Ostra AN 19 6875 161239
Monsano AN 20 3405 164644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Ancona (100861 inhabitants)
43 Km S of Fano (60888 inhabitants)
52 Km S of Pesaro (94582 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
66 Km NE of Perugia (166134 inhabitants)
78 Km SE of Rimini (147750 inhabitants)
94 Km E of Arezzo (99543 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.2 2020-01-15
11:06:39		 43.4585 13.0517 1 2020-07-18
21:08:29		 Bollettino Sismico Italiano INGV 77702581
Reviewed
Rev100 		ML 1.2 2020-01-15
11:06:39		 43.4483 13.028 2 2020-01-15
11:40:38		 Sala Sismica INGV-Roma 75561121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-15 11:06:39 ± 0.32
Latitude 43.4585 ± 0.0126
Longitude 13.0517 ± 0.0235
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 77702581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2200
Semi-minor axis of confidence ellipse (meter) 830
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 2200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75561121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-15 11:40:38

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77702581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-30 15:08:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-01-15T11:06:47.47 0.3 undecidable manual P 163 42.5241 91 -0.12 70
IV.NARO.HHZ. 2020-01-15T11:06:46.99 0.3 undecidable manual P 294 41.5251 91 -0.39 66
IV.MPAG.EHZ. 2020-01-15T11:06:45.14 0.3 undecidable manual P 309 30.1476 91 0.02 73
IV.FRON.EHZ. 2020-01-15T11:06:44.49 0.1 undecidable manual P 284 27.0507 91 0 98
IV.SNTG.HHZ. 2020-01-15T11:06:44.08 0.1 undecidable manual P 202 24.2535 91 0.14 96
IV.SSFR.HHZ. 2020-01-15T11:06:43.18 0.1 undecidable manual P 264 21.867 91 -0.27 94
IV.ARVD.HHZ. 2020-01-15T11:06:41.56 0.3 positive manual P 296 9.879 93 0.5 68
IV.MMUR.HNZ. 2020-01-15T11:06:40.13 0.1 positive manual P 247 4.7952 96 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.3 0.000153 1 AML other m 2020-01-15T11:06:47.77
IV.SSFR.HHE. ML:1.4 0.0001835 1.1 AML other m 2020-01-15T11:06:53.79
IV.SNTG.HHE. ML:1.1 0.00008135000000000001 0.76 AML other m 2020-01-15T11:06:54.81
IV.SNTG.HHN. ML:1.4 0.000151 1.06 AML other m 2020-01-15T11:06:56.26
IV.FRON.EHE. ML:1.0 0.0000649 0.82 AML other m 2020-01-15T11:06:57.53
IV.FRON.EHN. ML:1.1 0.0000703 0.82 AML other m 2020-01-15T11:06:58.22
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download