Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-12-2023 and time 22:09:20 (Italy) in region 2 km S Bolognola (MC)

A magnitude ML 2.1 earthquake occured in region: 2 km S Bolognola (MC), on

  • 05-12-2023 21:09:20 (UTC)
  • 05-12-2023 22:09:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.2230 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Bolognola MC 2 142 142
Acquacanina MC 7 121 263
Ussita MC 8 444 707
Fiastra MC 8 559 1266
Sarnano MC 9 3264 4530
Montefortino FM 11 1178 5708
Castelsantangelo sul Nera MC 11 281 5989
Amandola FM 11 3629 9618
Visso MC 12 1107 10725
Montemonaco AP 12 604 11329
Fiordimonte MC 13 202 11531
Gualdo MC 14 815 12346
Pievebovigliana MC 15 866 13212
Cessapalombo MC 15 512 13724
Pieve Torina MC 16 1458 15182
Comunanza AP 16 3166 18348
San Ginesio MC 16 3498 21846
Camporotondo di Fiastrone MC 18 563 22409
Montegallo AP 18 523 22932
Caldarola MC 18 1823 24755
Monte Cavallo MC 18 145 24900
Smerillo FM 18 365 25265
Preci PG 19 724 25989
Muccia MC 19 915 26904
Penna San Giovanni MC 19 1108 28012
Monte San Martino MC 19 765 28777
Montefalcone Appennino FM 19 424 29201
Sant'Angelo in Pontano MC 20 1436 30637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
66 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 inhabitants)
99 Km NW of Pescara (121014 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
Reviewed
Rev100 		ML 2.1 2023-12-05
21:09:20		 42.9783 13.2228 10 2023-12-05
21:30:11		 Sala Sismica INGV-Roma 123840411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-05 21:09:20 ± 0.06
Latitude 42.9783 ± 0.0018
Longitude 13.2228 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123840411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25541
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 123840411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-05 21:30:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RINC.EHZ. 2023-12-05T21:10:12.23 3.0 undecidable manual Sg 7.42 0
IV.NARO.HHZ. 2023-12-05T21:09:48.55 3.0 undecidable manual Sg 0.7 0
IV.MPAG.EHZ. 2023-12-05T21:09:47.32 3.0 undecidable manual Sg 0.74 0
IV.PIEI.HHZ. 2023-12-05T21:09:47.25 3.0 undecidable manual Sn 0.35 0
IV.MURB.HHZ. 2023-12-05T21:09:42.04 3.0 undecidable manual Sn 0.19 0
IV.SSFR.HHZ. 2023-12-05T21:09:41.16 3.0 undecidable manual Sn -0.1 0
IV.MOMA.HHZ. 2023-12-05T21:09:39.84 3.0 undecidable manual Sn 0.61 0
IV.MPAG.EHZ. 2023-12-05T21:09:35.26 3.0 positive manual Pg 0.15 0
IV.PIEI.HHZ. 2023-12-05T21:09:34.49 3.0 undecidable manual Pg -0.8 0
IV.FIAM.HHZ. 2023-12-05T21:09:34.63 3.0 positive manual Pg -0.08 0
IV.MURB.HHZ. 2023-12-05T21:09:32.67 3.0 negative manual Pg 0.22 0
IV.SSFR.HHZ. 2023-12-05T21:09:32.00 3.0 positive manual Pg -0.12 0
IV.GIGS.HHZ. 2023-12-05T21:09:32.34 3.0 positive manual Pg -0.25 0
IV.ARRO.EHZ. 2023-12-05T21:09:31.11 3.0 positive manual Pg -0.09 0
IV.ARVD.HHZ. 2023-12-05T21:09:31.85 3.0 positive manual Pg -0.32 0
IV.FOSV.EHZ. 2023-12-05T21:09:30.31 3.0 undecidable manual Pg -0.03 0
IV.MOMA.HHZ. 2023-12-05T21:09:30.42 3.0 positive manual Pg -0.56 0
IV.MTRA.HNZ. 2023-12-05T21:09:30.95 0.6 undecidable manual S 150 28.3494 50 -0.19 47
IV.CAMP.HHZ. 2023-12-05T21:09:30.25 3.0 positive manual Pg -0.12 0
IV.MML1.EHZ. 2023-12-05T21:09:30.34 0.6 undecidable manual S 306 25.2525 50 0.02 49
IV.ATCC.EHZ. 2023-12-05T21:09:30.62 3.0 positive manual Pg 0.15 0
IV.RM33.EHZ. 2023-12-05T21:09:30.38 3.0 negative manual Pg -0.01 0
IV.ASSB.HHZ. 2023-12-05T21:09:29.52 3.0 positive manual Pg 0.09 0
IV.LNSS.HHZ. 2023-12-05T21:09:29.33 3.0 positive manual Pg 0.24 0
IV.TERO.HHZ. 2023-12-05T21:09:29.92 3.0 positive manual Pg -0.38 0
IV.CING.HHZ. 2023-12-05T21:09:28.96 3.0 negative manual Pg -0.46 0
IV.SNTG.HHZ. 2023-12-05T21:09:28.12 3.0 undecidable manual Pg -0.25 0
IV.NRCA.HNZ. 2023-12-05T21:09:28.20 0.6 undecidable manual S 209 18.3705 120 -0.08 49
IV.SAP2.EHZ. 2023-12-05T21:09:28.91 0.3 undecidable manual S 47 19.3695 118 0.3 70
IV.MNTT.EHZ. 2023-12-05T21:09:28.88 3.0 positive manual Pg 1.2 0
IV.MF5.EHZ. 2023-12-05T21:09:28.99 0.6 undecidable manual S 87 19.2696 118 0.43 45
IV.SMA1.EHZ. 2023-12-05T21:09:28.41 3.0 undecidable manual Pg -0.12 0
IT.MTCL.HGZ. 2023-12-05T21:09:28.12 0.3 undecidable manual S 275 18.1707 120 -0.13 72
IV.FEMA.HNZ. 2023-12-05T21:09:27.33 0.6 undecidable manual S 263 14.1747 126 0.26 47
IV.MML1.EHZ. 2023-12-05T21:09:26.23 0.1 negative manual P 306 25.2525 50 -0.14 95
7F.SIB1.EHE. 2023-12-05T21:09:26.06 0.1 undecidable manual S 158 10.0788 136 0.07 99
IV.GUMA.HHZ. 2023-12-05T21:09:26.73 0.3 undecidable manual S 44 13.0758 129 -0.04 74
IV.CESI.HHZ. 2023-12-05T21:09:26.27 3.0 positive manual Pg -0.17 0
7F.SIB2.EHE. 2023-12-05T21:09:26.09 0.1 undecidable manual S 146 11.6772 132 -0.31 94
IV.CSP1.EHZ. 2023-12-05T21:09:26.27 0.6 undecidable manual S 353 12.6762 129 -0.39 46
VM.AMAD.HNZ. 2023-12-05T21:09:26.04 0.6 undecidable manual S 89 10.7781 134 -0.13 49
IV.MMO1.EHZ. 2023-12-05T21:09:26.24 0.3 undecidable manual S 136 12.1767 131 -0.29 71
IV.MTRA.HNZ. 2023-12-05T21:09:26.61 0.6 undecidable manual P 150 28.3494 50 -0.23 46
7F.SIB3.EHE. 2023-12-05T21:09:26.33 0.1 undecidable manual S 162 12.0768 131 -0.18 97
IV.FDMO.HHZ. 2023-12-05T21:09:26.41 0.6 undecidable manual S 300 12.7761 129 -0.28 47
IV.MF5.EHZ. 2023-12-05T21:09:25.58 0.3 undecidable manual P 87 19.2696 118 0.22 71
IT.MTCL.HGZ. 2023-12-05T21:09:25.13 0.1 undecidable manual P 275 18.1707 120 -0.04 98
IV.NRCA.HNZ. 2023-12-05T21:09:25.19 0.3 undecidable manual P 209 18.3705 120 0 74
IV.MC2.EHE. 2023-12-05T21:09:25.80 0.3 undecidable manual S 200 7.881 143 0.29 71
IV.SAP2.EHZ. 2023-12-05T21:09:25.49 0.1 undecidable manual P 47 19.3695 118 0.11 97
VM.SRNA.HNE.01 2023-12-05T21:09:25.38 0.1 undecidable manual S 45 8.9799 139 -0.35 93
VM.AMAD.HNZ. 2023-12-05T21:09:24.10 0.3 undecidable manual P 89 10.7781 134 0.13 73
IV.MMO1.EHZ. 2023-12-05T21:09:24.18 0.3 undecidable manual P 136 12.1767 131 0 75
7F.SIB3.EHE. 2023-12-05T21:09:24.17 0.1 undecidable manual P 162 12.0768 131 0.01 100
IV.FDMO.HHZ. 2023-12-05T21:09:24.27 0.1 undecidable manual P 300 12.7761 129 0.01 100
7F.SIB1.EHE. 2023-12-05T21:09:24.08 0.1 undecidable manual P 158 10.0788 136 0.21 96
IV.GUMA.HHZ. 2023-12-05T21:09:24.49 0.1 undecidable manual P 44 13.0758 129 0.18 96
7F.SIB2.EHE. 2023-12-05T21:09:24.10 0.1 undecidable manual P 146 11.6772 132 -0.01 100
IV.CSP1.EHZ. 2023-12-05T21:09:24.22 0.3 undecidable manual P 353 12.6762 129 -0.04 74
IV.FEMA.HNZ. 2023-12-05T21:09:24.71 0.1 undecidable manual P 263 14.1747 126 0.22 95
IV.MC2.EHE. 2023-12-05T21:09:23.91 0.1 undecidable manual P 200 7.881 143 0.32 94
VM.SRNA.HNE.01 2023-12-05T21:09:23.67 0.1 undecidable manual P 45 8.9799 139 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:2.3 0.0020150000000000003 0.46 AML other m 2023-12-05T21:09:26.40
IV.MMO1.EHE. ML:2.1 0.0014299999999999998 0.5 AML other m 2023-12-05T21:09:26.46
IV.FDMO.HHN. ML:2.2 0.001595 0.16 AML other m 2023-12-05T21:09:26.71
IV.FDMO.HHE. ML:2.0 0.0011899999999999999 0.12 AML other m 2023-12-05T21:09:26.88
IV.GUMA.HNN. ML:2.4 0.002745 0.38 AML other m 2023-12-05T21:09:27.29
IV.GUMA.HHE. ML:2.6 0.0037 0.36 AML other m 2023-12-05T21:09:27.29
IV.GUMA.HNE. ML:2.3 0.0021950000000000003 0.46 AML other m 2023-12-05T21:09:27.33
IV.GUMA.HHN. ML:2.3 0.002125 1.3 AML other m 2023-12-05T21:09:27.30
IV.NRCA.HHN. ML:2.6 0.00303 0.18 AML other m 2023-12-05T21:09:28.35
IV.NRCA.HNN. ML:2.6 0.00285 0.16 AML other m 2023-12-05T21:09:28.36
IV.NRCA.HNE. ML:2.5 0.0023200000000000004 0.48 AML other m 2023-12-05T21:09:28.81
IV.NRCA.HHE. ML:2.5 0.002355 0.5 AML other m 2023-12-05T21:09:28.81
IV.MF5.EHN. ML:2.1 0.000911 0.16 AML other m 2023-12-05T21:09:29.28
IV.MF5.EHE. ML:1.9 0.0006775 0.32 AML other m 2023-12-05T21:09:29.24
IV.SAP2.EHN. ML:3.0 0.00795 0.96 AML other m 2023-12-05T21:09:29.11
IV.SAP2.EHE. ML:2.2 0.0012285 0.58 AML other m 2023-12-05T21:09:29.67
IV.MML1.HNE. ML:2.1 0.0007790000000000001 0.2 AML other m 2023-12-05T21:09:30.53
IV.MML1.EHE. ML:2.1 0.0007695000000000001 0.2 AML other m 2023-12-05T21:09:30.53
IV.MML1.HNN. ML:2.1 0.0007545 0.26 AML other m 2023-12-05T21:09:30.69
IV.MML1.EHN. ML:2.1 0.0007445 0.3 AML other m 2023-12-05T21:09:30.69
IV.CESI.HHN. ML:2.0 0.0005005 0.28 AML other m 2023-12-05T21:09:30.74
IV.MTRA.HNN. ML:2.3 0.000965 0.58 AML other m 2023-12-05T21:09:31.14
IV.MTRA.EHN. ML:2.2 0.000888 0.58 AML other m 2023-12-05T21:09:31.14
IV.CESI.HHE. ML:1.7 0.0002665 1.32 AML other m 2023-12-05T21:09:31.28
IV.MTRA.EHE. ML:2.2 0.0008874999999999999 0.26 AML other m 2023-12-05T21:09:31.42
IV.MTRA.HNE. ML:2.2 0.0008935 0.26 AML other m 2023-12-05T21:09:31.42
IV.ASSB.HHN. ML:2.0 0.0002825 0.12 AML other m 2023-12-05T21:09:36.39
IV.CING.HHE. ML:1.9 0.00022700000000000002 0.46 AML other m 2023-12-05T21:09:36.46
IV.CING.HHN. ML:1.9 0.0002395 1 AML other m 2023-12-05T21:09:36.00
IV.LNSS.HHN. ML:2.6 0.0012349999999999998 0.16 AML other m 2023-12-05T21:09:36.44
IV.LNSS.HNN. ML:2.6 0.0011899999999999999 0.14 AML other m 2023-12-05T21:09:36.45
IV.LNSS.HHE. ML:2.4 0.000762 0.14 AML other m 2023-12-05T21:09:36.58
IV.LNSS.HNE. ML:2.3 0.0006839999999999999 0.14 AML other m 2023-12-05T21:09:36.65
IV.SMA1.EHN. ML:1.7 0.0001865 0.44 AML other m 2023-12-05T21:09:36.43
IV.ASSB.HHE. ML:2.0 0.0002845 0.48 AML other m 2023-12-05T21:09:37.48
IV.SMA1.EHE. ML:1.7 0.0001815 0.54 AML other m 2023-12-05T21:09:37.78
IV.FOSV.EHE. ML:1.7 0.00013309999999999998 0.18 AML other m 2023-12-05T21:09:38.11
IV.FOSV.EHN. ML:2.2 0.000435 0.3 AML other m 2023-12-05T21:09:38.16
IV.CAMP.HHN. ML:1.6 0.00010580000000000001 0.54 AML other m 2023-12-05T21:09:38.36
IV.ATCC.HNN. ML:2.0 0.00023025 0.28 AML other m 2023-12-05T21:09:38.50
IV.ATCC.HNE. ML:2.3 0.00048550000000000004 0.18 AML other m 2023-12-05T21:09:38.64
IV.ATCC.EHE. ML:2.3 0.000462 0.18 AML other m 2023-12-05T21:09:38.64
IV.ATCC.EHN. ML:2.0 0.000245 0.12 AML other m 2023-12-05T21:09:38.50
IV.CAMP.HHE. ML:1.7 0.0001315 0.42 AML other m 2023-12-05T21:09:39.40
IV.NARO.HHN. ML:1.7 0.00006405 0.42 AML other m 2023-12-05T21:09:41.34
IV.SSFR.HNE. ML:2.2 0.000328 0.24 AML other m 2023-12-05T21:09:41.60
IV.SSFR.HNN. ML:2.2 0.00030300000000000005 1.16 AML other m 2023-12-05T21:09:42.07
IV.MURB.HHE. ML:2.2 0.00028900000000000003 1 AML other m 2023-12-05T21:09:43.65
IV.MURB.HHN. ML:2.0 0.0002035 1.56 AML other m 2023-12-05T21:09:44.91
IV.NARO.HHE. ML:1.7 0.0000625 0.42 AML other m 2023-12-05T21:09:44.28
IV.PIEI.HHN. ML:1.7 0.00005824999999999999 0.84 AML other m 2023-12-05T21:09:46.85
IV.PIEI.HHE. ML:1.7 0.00005964999999999999 0.24 AML other m 2023-12-05T21:09:49.18
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
Waveforms Seismic signals in miniseed + resp format Download