Earthquake (quarry blast) with magnitude of ML 0.8 on date 19-01-2021 and time 10:12:42 (UTC) in region 4 km E Genga (AN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km E Genga (AN), on

  • 19-01-2021 10:12:42 (UTC)
  • 19-01-2021 11:12:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4210, 12.9800 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 4 1797 1797
Serra San Quirico AN 4 2850 4647
Mergo AN 7 1037 5684
Arcevia AN 9 4612 10296
Poggio San Vicino MC 10 246 10542
Sassoferrato AN 10 7285 17827
Rosora AN 10 1985 19812
Cerreto d'Esi AN 11 3817 23629
Fabriano AN 11 31480 55109
Cupramontana AN 11 4756 59865
Castelplanio AN 12 3540 63405
Apiro MC 13 2280 65685
Poggio San Marcello AN 13 693 66378
Maiolati Spontini AN 13 6248 72626
Montecarotto AN 14 1987 74613
Serra de' Conti AN 14 3746 78359
Monte Roberto AN 15 3061 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 17 2253 89553
Barbara AN 18 1368 90921
Matelica MC 18 9981 100902
Serra Sant'Abbondio PU 19 1027 101929
Esanatoglia MC 19 2034 103963
Pergola PU 20 6333 110296
Cingoli MC 20 10352 120648

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Fano (60888 inhabitants)
49 Km W of Ancona (100861 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
79 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
99 Km SE of Cesena (96758 inhabitants)
99 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
Bulletin
Rev1000
ML 0.8 2021-01-19
10:12:42
43.4213 12.9797 1 2021-07-12
16:55:13
Bollettino Sismico Italiano INGV 90673401
Reviewed
Rev100
ML 0.8 2021-01-19
10:12:42
43.4293 12.9927 1 2021-01-19
11:04:01
Sala Sismica INGV-Roma 86375881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 10:12:42 ± 0.13
Latitude 43.4213 ± 0.0090
Longitude 12.9797 ± 0.0099
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 90673401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1090
Semi-minor axis of confidence ellipse (meter) 720
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
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 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86375881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-19 11:04:01

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 90673401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 01:04:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-01-19T10:12:50.00 0.3 undecidable manual P 290 37.9287 91 -0.42 66
IV.COR1.EHZ. 2021-01-19T10:12:48.00 0.3 undecidable manual P 4 23.3544 91 0.5 66
IV.MPAG.EHZ. 2021-01-19T10:12:48.38 0.3 undecidable manual P 323 29.0487 91 -0.25 69
IV.FRON.EHZ. 2021-01-19T10:12:47.68 0.3 undecidable manual P 298 23.0547 91 0.25 70
IV.NARO.HHZ. 2021-01-19T10:12:47.57 0.6 undecidable manual P 303 38.3283 91 -2.93 4
IV.ATSC.EHE. 2021-01-19T10:12:47.59 0.3 undecidable manual P 271 23.6541 91 0.05 73
IV.CING.HHZ. 2021-01-19T10:12:46.40 0.1 undecidable manual P 106 18.0708 92 -0.04 99
IV.SSFR.HNE. 2021-01-19T10:12:46.32 0.3 undecidable manual P 276 15.9729 92 0.31 70
IV.EL6.EHZ. 2021-01-19T10:12:45.67 0.3 undecidable manual P 136 14.1747 92 0.02 75
IV.ARVD.HHZ. 2021-01-19T10:12:44.58 0.1 undecidable manual P 340 9.0798 93 -0.05 100
IV.MMUR.HNZ. 2021-01-19T10:12:43.23 0.1 undecidable manual P 32 2.6973 101 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.0 0.00011755 1.7 AML other m 2021-01-19T10:12:50.86
IV.EL6.EHN. ML:1.1 0.00015839999999999997 1.22 AML other m 2021-01-19T10:12:51.01
IV.FRON.EHE. ML:0.7 0.00003655 0.42 AML other m 2021-01-19T10:12:52.61
IV.FRON.EHN. ML:0.8 0.0000441 1.12 AML other m 2021-01-19T10:12:53.28
IV.PIEI.HHN. ML:0.6 0.0000136 1.58 AML other m 2021-01-19T10:12:58.18
IV.PIEI.HHE. ML:0.6 0.0000153 0.84 AML other m 2021-01-19T10:12:59.11
IV.MPAG.EHN. ML:0.9 0.000039599999999999994 1.14 AML other m 2021-01-19T10:13:02.57
IV.MPAG.EHE. ML:0.8 0.0000309 0.86 AML other m 2021-01-19T10:13:04.04
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