Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-01-2023 and time 18:40:48 (Italy) in region 2 km NE Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 21-01-2023 17:40:48 (UTC)
  • 21-01-2023 18:40:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0140, 13.0150 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Monte Cavallo MC 2 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 8 1070 4656
Visso MC 11 1107 5763
Fiastra MC 12 559 6322
Ussita MC 13 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Bolognola MC 17 142 16228
Castelsantangelo sul Nera MC 17 281 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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 2.0 2023-01-21
17:40:48		 43.0137 13.0148 11 2024-03-01
17:18:15		 Bollettino Sismico Italiano INGV 120438651
Reviewed
Rev100 		ML 2.0 2023-01-21
17:40:48		 43.0163 13.0142 11 2023-01-21
17:49:44		 Sala Sismica INGV-Roma 113717451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-21 17:40:48 ± 0.04
Latitude 43.0137 ± 0.0018
Longitude 13.0148 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120438651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 120438651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 13:32:12

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 113717451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-21 17:49:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-01-21T17:41:07.50 0.3 undecidable manual S 337 60.5949 50 0.37 64
IV.ARVD.HHZ. 2023-01-21T17:41:05.80 0.3 undecidable manual S 354 54.1014 50 0.41 64
IV.MURB.HHZ. 2023-01-21T17:41:04.40 0.3 undecidable manual S 305 48.4182 50 0.53 63
IV.LNSS.HNZ. 2023-01-21T17:41:03.20 0.6 undecidable manual S 177 45.621 50 0.07 47
IV.SMA1.EHZ. 2023-01-21T17:41:03.90 0.3 undecidable manual S 148 49.8168 50 -0.37 65
IV.CING.HNZ. 2023-01-21T17:41:02.70 0.3 undecidable manual S 20 42.7239 50 0.34 66
IV.MOMA.HHZ. 2023-01-21T17:41:02.50 0.3 undecidable manual S 237 43.0236 50 0.07 70
IV.GAVE.EHZ. 2023-01-21T17:41:01.20 0.3 undecidable manual S 195 36.9297 50 0.37 67
IV.MF5.EHZ. 2023-01-21T17:41:01.60 0.3 undecidable manual S 94 36.2415 50 0.98 53
IV.EL6.EHZ. 2023-01-21T17:41:00.60 0.3 undecidable manual S 11 35.742 50 0.11 71
IV.FOSV.EHZ. 2023-01-21T17:41:00.80 0.3 undecidable manual S 327 37.3293 50 -0.12 70
IV.PIEI.HHZ. 2023-01-21T17:41:00.56 0.1 undecidable manual P 326 69.6747 50 -0.09 89
IV.ATCC.EHZ. 2023-01-21T17:41:00.70 0.1 undecidable manual S 302 35.8419 50 0.18 93
IV.TERO.HHZ. 2023-01-21T17:40:59.84 0.3 undecidable manual P 132 64.5909 50 -0.03 68
IV.FRON.EHZ. 2023-01-21T17:40:58.89 0.3 undecidable manual P 337 60.5949 50 -0.36 64
IV.SNTG.HHZ. 2023-01-21T17:40:58.00 0.3 undecidable manual S 347 27.4503 50 -0.28 69
IV.MMO1.EHZ. 2023-01-21T17:40:58.40 0.3 undecidable manual S 116 28.3494 50 -0.12 71
IV.ARVD.HHZ. 2023-01-21T17:40:58.07 0.1 undecidable manual P 354 54.1014 50 -0.17 90
IV.SSFR.HHZ. 2023-01-21T17:40:57.67 0.1 undecidable manual P 338 50.5161 50 -0.03 93
IV.MURB.HHZ. 2023-01-21T17:40:57.36 0.1 undecidable manual P 305 48.4182 50 -0.01 94
IV.SMA1.EHZ. 2023-01-21T17:40:57.36 0.1 undecidable manual P 148 49.8168 50 -0.24 89
IV.MOMA.HHZ. 2023-01-21T17:40:56.38 0.3 undecidable manual P 237 43.0236 50 -0.16 69
IV.LNSS.HNZ. 2023-01-21T17:40:56.65 0.1 undecidable manual P 177 45.621 50 -0.29 89
IV.CING.HNZ. 2023-01-21T17:40:56.42 0.1 undecidable manual P 20 42.7239 50 -0.08 94
IV.NRCA.HNZ. 2023-01-21T17:40:56.50 0.3 undecidable manual S 158 21.5673 50 -0.21 71
IV.GAVE.EHZ. 2023-01-21T17:40:55.47 0.3 undecidable manual P 195 36.9297 50 -0.14 70
IV.CSP1.EHZ. 2023-01-21T17:40:55.60 0.1 undecidable manual S 61 17.6712 50 -0.08 98
IV.FOSV.EHZ. 2023-01-21T17:40:55.45 0.1 undecidable manual P 327 37.3293 50 -0.22 92
IV.EL6.EHZ. 2023-01-21T17:40:55.27 0.1 undecidable manual P 11 35.742 50 -0.15 93
IV.MC2.EHZ. 2023-01-21T17:40:55.90 0.1 undecidable manual S 129 18.1707 50 0.1 97
IV.MF5.EHZ. 2023-01-21T17:40:55.93 0.1 undecidable manual P 94 36.2415 50 0.44 88
IV.ATCC.EHZ. 2023-01-21T17:40:55.37 0.1 undecidable manual P 302 35.8419 50 -0.06 95
IV.SEF1.HNZ. 2023-01-21T17:40:55.00 0.1 undecidable manual S 340 15.7731 125 -0.15 97
IV.MMO1.EHZ. 2023-01-21T17:40:54.17 0.1 undecidable manual P 116 28.3494 50 -0.11 95
IV.MML1.EHZ. 2023-01-21T17:40:53.90 0.1 undecidable manual S 343 11.5773 133 -0.14 98
IV.NRCA.HNZ. 2023-01-21T17:40:53.09 0.1 positive manual P 158 21.5673 50 -0.14 96
IV.FEMA.HNZ. 2023-01-21T17:40:53.10 0.3 undecidable manual S 154 6.3936 150 0.2 73
IV.CESI.HHZ. 2023-01-21T17:40:53.60 0.1 undecidable manual S 264 8.9799 141 0.19 97
IV.SNTG.HHZ. 2023-01-21T17:40:53.92 0.1 undecidable manual P 347 27.4503 50 -0.22 93
IV.MC2.EHZ. 2023-01-21T17:40:52.73 0.1 positive manual P 129 18.1707 50 0.03 99
IV.SEF1.HNZ. 2023-01-21T17:40:52.30 0.1 undecidable manual P 340 15.7731 125 -0.03 99
IT.MTCL.HGZ. 2023-01-21T17:40:52.30 0.1 undecidable manual S 210 2.4975 167 -0.1 100
IV.CSP1.EHZ. 2023-01-21T17:40:52.64 0.1 positive manual P 61 17.6712 50 0 99
IV.FDMO.HHZ. 2023-01-21T17:40:52.80 0.1 undecidable manual S 67 6.3936 150 -0.1 99
IV.PF6.EHN. 2023-01-21T17:40:52.81 0.1 undecidable manual P 46 20.0688 50 -0.19 95
IV.FDMO.HHZ. 2023-01-21T17:40:51.14 0.1 undecidable manual P 67 6.3936 150 0.1 99
IV.CESI.HHZ. 2023-01-21T17:40:51.52 0.1 undecidable manual P 264 8.9799 141 0.19 97
IV.MML1.EHZ. 2023-01-21T17:40:51.71 0.1 undecidable manual P 343 11.5773 133 0.02 100
IV.FEMA.HNZ. 2023-01-21T17:40:51.28 0.1 undecidable manual P 154 6.3936 150 0.25 96
IT.MTCL.HGZ. 2023-01-21T17:40:50.84 0.1 undecidable manual P 210 2.4975 167 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.0010619815 0.192 AML other m 2023-01-21T17:40:53.06
IV.FDMO.HHN. ML:0.0 0.00088183285 0.1408 AML other m 2023-01-21T17:40:53.34
IV.FEMA.HNE. ML:2.2 0.00212 0.1 AML other m 2023-01-21T17:40:53.24
IV.FEMA.HNN. ML:2.2 0.0021799999999999996 0.2 AML other m 2023-01-21T17:40:53.68
IV.CESI.HHE. ML:2.1 0.0015 0.2 AML other m 2023-01-21T17:40:53.86
IV.CESI.HHN. ML:2.1 0.00176 0.22 AML other m 2023-01-21T17:40:53.87
IV.CESI.HNE. ML:2.0 0.00132 0.18 AML other m 2023-01-21T17:40:53.85
IV.CESI.HNN. ML:2.1 0.00175 0.22 AML other m 2023-01-21T17:40:53.87
IV.MML1.EHN. ML:1.8 0.000753 0.2 AML other m 2023-01-21T17:40:54.05
IV.MML1.EHE. ML:1.6 0.0004755 0.46 AML other m 2023-01-21T17:40:54.17
IV.CSP1.EHN. ML:2.2 0.00127 1.48 AML other m 2023-01-21T17:40:55.20
IV.CSP1.EHE. ML:2.2 0.001375 0.6 AML other m 2023-01-21T17:40:56.82
IV.NRCA.HHE. ML:1.8 0.0004515 0.18 AML other m 2023-01-21T17:40:56.70
IV.NRCA.HHN. ML:1.9 0.000575 0.1 AML other m 2023-01-21T17:40:57.25
IV.MC2.EHN. ML:2.0 0.000876 0.24 AML other m 2023-01-21T17:40:57.39
IV.MC2.EHE. ML:2.0 0.000823 0.22 AML other m 2023-01-21T17:40:57.80
IV.NRCA.HNN. ML:1.9 0.000565 0.82 AML other m 2023-01-21T17:40:57.92
IV.NRCA.HNE. ML:1.8 0.0004385 0.66 AML other m 2023-01-21T17:40:58.01
IV.ATCC.EHE. ML:1.6 0.00016450000000000001 1.8 AML other m 2023-01-21T17:41:01.95
IV.SSFR.HHE. ML:1.7 0.00012895000000000002 1.58 AML other m 2023-01-21T17:41:05.12
IV.SSFR.HHN. ML:1.6 0.00011649999999999999 0.44 AML other m 2023-01-21T17:41:07.17
IV.ATCC.EHN. ML:1.7 0.00019250000000000002 1.58 AML other m 2023-01-21T17:41:07.20
IV.EL6.EHN. ML:2.3 0.0008110000000000001 0.78 AML other m 2023-01-21T17:41:07.45
IV.EL6.EHE. ML:2.2 0.0005623000000000001 0.42 AML other m 2023-01-21T17:41:07.65
IT.MTCL.HGE. ML:0.0 0.12986525000000002 0.0384 AML other m 2023-01-21T17:40:52.74
IT.MTCL.HGN. ML:0.0 0.17209855 0.064 AML other m 2023-01-21T17:40:52.83
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