Earthquake (quarry blast) with magnitude of ML 1.0 on date 22-04-2023 and time 11:44:20 (Italy) in region 3 km E Genga (AN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km E Genga (AN), on

  • 22-04-2023 09:44:20 (UTC)
  • 22-04-2023 11:44:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4380, 12.9700 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 3 1797 1797
Serra San Quirico AN 4 2850 4647
Mergo AN 7 1037 5684
Arcevia AN 7 4612 10296
Sassoferrato AN 9 7285 17581
Rosora AN 10 1985 19566
Castelplanio AN 11 3540 23106
Poggio San Vicino MC 11 246 23352
Cupramontana AN 12 4756 28108
Poggio San Marcello AN 12 693 28801
Fabriano AN 12 31480 60281
Montecarotto AN 13 1987 62268
Maiolati Spontini AN 13 6248 68516
Serra de' Conti AN 13 3746 72262
Cerreto d'Esi AN 13 3817 76079
Apiro MC 14 2280 78359
Monte Roberto AN 15 3061 81420
Castelbellino AN 15 4947 86367
Barbara AN 17 1368 87735
San Paolo di Jesi AN 17 933 88668
Serra Sant'Abbondio PU 17 1027 89695
Staffolo AN 18 2253 91948
Pergola PU 18 6333 98281
San Lorenzo in Campo PU 19 3414 101695
Castelleone di Suasa AN 19 1676 103371
Ostra Vetere AN 20 3311 106682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Fano (60888 inhabitants)
49 Km W of Ancona (100861 inhabitants)
53 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
60 Km NE of Perugia (166134 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
97 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 1.0 2023-04-22
09:44:20
43.4382 12.9702 1 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117401961
Reviewed
Rev100
ML 0.9 2023-04-22
09:44:19
43.449 12.9858 5 2023-04-22
09:54:52
Sala Sismica INGV-Roma 116605581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-22 09:44:20 ± 0.11
Latitude 43.4382 ± 0.0072
Longitude 12.9702 ± 0.0087
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 117401961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 850
Semi-minor axis of confidence ellipse (meter) 670
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24462
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 117401961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-07 14:12:48

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 116605581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-22 09:54:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-22T09:44:42.48 3.0 undecidable manual S 0.37 0
IV.PARC.HHZ. 2023-04-22T09:44:41.34 3.0 undecidable manual S 0.51 0
IV.FDMO.HHZ. 2023-04-22T09:44:35.45 3.0 undecidable manual S -0.63 0
IV.CSP1.EHZ. 2023-04-22T09:44:34.85 3.0 undecidable manual S -0.21 0
IV.ATCC.EHZ. 2023-04-22T09:44:34.06 3.0 undecidable manual S -0.08 0
IV.MML1.EHZ. 2023-04-22T09:44:32.90 3.0 undecidable manual S -0.08 0
IV.NRCA.HHZ. 2023-04-22T09:44:32.57 3.0 undecidable manual P -0.16 0
IV.ATFO.HHZ. 2023-04-22T09:44:32.33 3.0 undecidable manual S 0.17 0
IV.PIEI.HHZ. 2023-04-22T09:44:32.87 3.0 undecidable manual S -0.29 0
IV.PARC.HHZ. 2023-04-22T09:44:31.51 3.0 undecidable manual P -0.49 0
IV.CSP1.EHZ. 2023-04-22T09:44:28.79 3.0 negative manual P 0.12 0
IV.FDMO.HHZ. 2023-04-22T09:44:28.66 3.0 negative manual P -0.6 0
IV.ATCC.EHZ. 2023-04-22T09:44:27.69 3.0 undecidable manual P -0.44 0
IV.MML1.EHZ. 2023-04-22T09:44:27.97 3.0 undecidable manual P 0.5 0
IV.PIEI.HHZ. 2023-04-22T09:44:26.87 3.0 undecidable manual P -0.7 0
IV.ATFO.HHZ. 2023-04-22T09:44:26.64 3.0 undecidable manual P -0.35 0
IV.MPAG.EHZ. 2023-04-22T09:44:25.58 0.3 undecidable manual P 321 27.1506 91 -0.18 70
IV.COR1.HNZ. 2023-04-22T09:44:25.05 0.3 undecidable manual P 6 21.6672 91 0.39 67
IV.SNTG.HHZ. 2023-04-22T09:44:25.17 0.3 undecidable manual P 187 20.4684 91 0.75 60
IV.FRON.EHZ. 2023-04-22T09:44:24.54 0.3 undecidable manual P 294 21.5673 91 -0.11 72
IV.ATSC.EHZ. 2023-04-22T09:44:24.65 0.3 undecidable manual P 266 22.8549 91 -0.27 69
IV.FOSV.EHZ. 2023-04-22T09:44:24.77 0.6 undecidable manual P 227 23.1546 91 -0.2 47
IV.EL6.EHZ. 2023-04-22T09:44:23.37 0.3 undecidable manual P 139 16.0728 92 -0.17 71
IV.SSFR.HHZ. 2023-04-22T09:44:23.46 0.3 undecidable manual P 269 15.1737 92 0.1 73
IV.CING.HNZ. 2023-04-22T09:44:23.82 0.3 undecidable manual P 111 19.4694 91 -0.4 68
IV.ARVD.HHZ. 2023-04-22T09:44:21.78 0.1 positive manual P 341 6.993 94 0.04 99
IV.MMUR.HNZ. 2023-04-22T09:44:20.83 0.1 undecidable manual P 79 2.1978 103 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:0.8 0.000056149999999999996 0.14 AML other m 2023-04-22T09:44:28.15
IV.SNTG.HHE. ML:1.0 0.00007575 0.16 AML other m 2023-04-22T09:44:28.17
IV.EL6.EHN. ML:0.9 0.0000899 0.52 AML other m 2023-04-22T09:44:28.63
IV.FRON.EHE. ML:0.8 0.000052900000000000005 0.7 AML other m 2023-04-22T09:44:28.44
IV.FOSV.EHE. ML:0.7 0.000035000000000000004 1.62 AML other m 2023-04-22T09:44:28.07
IV.FRON.EHN. ML:1.0 0.00007145 0.84 AML other m 2023-04-22T09:44:29.77
IV.EL6.EHE. ML:1.0 0.0001161 0.42 AML other m 2023-04-22T09:44:29.62
IV.ATCC.HNE. ML:2.8 0.002445 0.64 AML other m 2023-04-22T09:44:29.95
IV.ATCC.HNN. ML:2.1 0.000515 1.2 AML other m 2023-04-22T09:44:30.04
IV.MPAG.EHN. ML:0.8 0.00003325 1.04 AML other m 2023-04-22T09:44:30.81
IV.MPAG.EHE. ML:0.7 0.000029999999999999997 0.62 AML other m 2023-04-22T09:44:30.29
IV.FOSV.EHN. ML:0.8 0.000045350000000000005 0.82 AML other m 2023-04-22T09:44:32.41
IV.MML1.EHE. ML:0.8 0.000024149999999999997 0.16 AML other m 2023-04-22T09:44:33.08
IV.PIEI.HHN. ML:0.9 0.000028049999999999997 0.08 AML other m 2023-04-22T09:44:33.26
IV.PIEI.HHE. ML:1.3 0.0000868 0.08 AML other m 2023-04-22T09:44:33.91
IV.ATCC.EHE. ML:1.2 0.000059050000000000006 0.22 AML other m 2023-04-22T09:44:34.31
IV.ATCC.EHN. ML:1.2 0.00006720000000000001 0.6 AML other m 2023-04-22T09:44:34.41
IV.MML1.EHN. ML:0.8 0.000022850000000000003 0.22 AML other m 2023-04-22T09:44:36.40
IV.FDMO.HHE. ML:0.8 0.00001865 0.56 AML other m 2023-04-22T09:44:37.13
IV.FDMO.HHN. ML:0.7 0.000016595 0.58 AML other m 2023-04-22T09:44:40.30
IV.NRCA.HHN. ML:1.1 0.00002175 0.12 AML other m 2023-04-22T09:44:45.23
IV.NRCA.HHE. ML:1.2 0.00002265 1 AML other m 2023-04-22T09:44:45.99
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