Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-01-2023 and time 11:05:15 (UTC) in region 4 km SW Sant'Angelo in Vado (PU)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Sant'Angelo in Vado (PU), on

  • 22-01-2023 11:05:15 (UTC)
  • 22-01-2023 12:05:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6340, 12.3980 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
Sant'Angelo in Vado PU 4 4133 4133
Mercatello sul Metauro PU 5 1378 5511
Apecchio PU 9 1882 7393
Borgo Pace PU 9 606 7999
Belforte all'Isauro PU 10 769 8768
Piandimeleto PU 10 2167 10935
Piobbico PU 10 2029 12964
Peglio PU 11 696 13660
Urbania PU 11 7099 20759
Lunano PU 11 1527 22286
Sestino AR 12 1355 23641
Frontino PU 15 293 23934
Carpegna PU 17 1674 25608
Sassocorvaro PU 18 3504 29112
Badia Tedalda AR 19 1087 30199
Pietrarubbia PU 19 660 30859
Macerata Feltria PU 19 1990 32849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Arezzo (99543 inhabitants)
50 Km S of Rimini (147750 inhabitants)
52 Km SW of Pesaro (94582 inhabitants)
55 Km W of Fano (60888 inhabitants)
57 Km S of Cesena (96758 inhabitants)
59 Km N of Perugia (166134 inhabitants)
72 Km SE of Forlì (117913 inhabitants)
79 Km NW of Foligno (57155 inhabitants)
83 Km SE of Faenza (58541 inhabitants)
89 Km S of Ravenna (159116 inhabitants)
90 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
93 Km E of Firenze (382808 inhabitants)
97 Km SE of Imola (69797 inhabitants)
99 Km E of Scandicci (50609 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 2023-01-22
11:05:15		 43.634 12.3975 11 2024-03-01
17:18:14		 Bollettino Sismico Italiano INGV 119971131
Reviewed
Rev100 		ML 1.2 2023-01-22
11:05:16		 43.6262 12.4012 11 2023-01-22
11:13:24		 Sala Sismica INGV-Roma 113731121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-22 11:05:15 ± 0.07
Latitude 43.6340 ± 0.0036
Longitude 12.3975 ± 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 119971131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 376
Semi-minor axis of confidence ellipse (meter) 282
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 26
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) 0.29678
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 119971131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-09 14:36:06

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 113731121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-22 11:13:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2023-01-22T11:05:45.23 3.0 undecidable manual Pg 1.79 0
IV.CSNT.HHZ. 2023-01-22T11:05:34.65 3.0 undecidable manual Pg 0.69 0
IV.ATSC.EHZ. 2023-01-22T11:05:27.47 0.6 undecidable manual S 135 32.9448 50 0.17 47
IV.NRCA.HHZ. 2023-01-22T11:05:27.44 3.0 undecidable manual S 0
IV.ATVO.HNN. 2023-01-22T11:05:26.22 0.6 undecidable manual S 178 27.9498 50 0.24 47
IV.FRON.EHZ. 2023-01-22T11:05:26.35 0.6 undecidable manual S 116 29.3484 50 0 48
IV.ATMC.EHE. 2023-01-22T11:05:25.50 0.6 undecidable manual S 218 26.4513 50 -0.09 47
IV.NRCA.HHZ. 2023-01-22T11:05:25.00 3.0 undecidable manual P 0
IV.ATBU.EHZ. 2023-01-22T11:05:24.79 0.6 undecidable manual S 145 21.3675 50 0.58 43
IV.BADI.EHZ. 2023-01-22T11:05:23.35 0.3 undecidable manual S 222 18.4704 120 -0.06 74
IV.ATPC.HHE. 2023-01-22T11:05:23.35 0.6 undecidable manual S 164 17.6712 121 0.18 47
IV.ATPI.EHZ. 2023-01-22T11:05:23.99 0.3 undecidable manual S 179 20.3685 50 0.04 73
IV.ATSC.EHZ. 2023-01-22T11:05:22.38 0.1 undecidable manual P 135 32.9448 50 -0.14 93
IV.PIEI.HHZ. 2023-01-22T11:05:22.20 0.3 undecidable manual S 135 15.5733 125 -0.35 71
IV.PARC.HHZ. 2023-01-22T11:05:21.68 0.1 undecidable manual S 277 12.876 130 -0.13 98
IV.FRON.EHZ. 2023-01-22T11:05:21.91 0.3 undecidable manual P 116 29.3484 50 -0.06 71
IV.NARO.HHZ. 2023-01-22T11:05:21.99 0.3 undecidable manual S 100 14.9739 126 -0.39 70
IV.ATMC.EHE. 2023-01-22T11:05:21.57 0.3 undecidable manual P 218 26.4513 50 0.04 73
IV.PE3.EHE. 2023-01-22T11:05:21.61 0.3 undecidable manual S 49 10.4784 136 0.4 69
IV.APEC.HNN. 2023-01-22T11:05:21.02 0.6 undecidable manual S 168 8.5803 141 0.25 47
IV.ATVO.HNN. 2023-01-22T11:05:21.75 0.3 undecidable manual P 178 27.9498 50 -0.01 72
IV.ATPI.EHZ. 2023-01-22T11:05:20.58 0.3 undecidable manual P 179 20.3685 50 -0.01 74
IV.BADI.EHZ. 2023-01-22T11:05:20.26 0.1 undecidable manual P 222 18.4704 120 -0.02 99
IV.ATPC.HHE. 2023-01-22T11:05:20.23 0.3 undecidable manual P 164 17.6712 121 0.09 73
IV.ATBU.EHZ. 2023-01-22T11:05:20.93 0.1 undecidable manual P 145 21.3675 50 0.19 95
IV.PE3.EHE. 2023-01-22T11:05:19.24 0.3 undecidable manual P 49 10.4784 136 0.23 72
IV.PARC.HHZ. 2023-01-22T11:05:19.37 0.1 undecidable manual P 277 12.876 130 0.02 100
IV.NARO.HHZ. 2023-01-22T11:05:19.49 0.1 undecidable manual P 100 14.9739 126 -0.19 96
IV.PIEI.HHZ. 2023-01-22T11:05:19.58 0.1 undecidable manual P 135 15.5733 125 -0.2 96
IV.APEC.HNN. 2023-01-22T11:05:18.77 0.3 undecidable manual P 168 8.5803 141 0.02 75
IV.MOMA.HHZ. 2023-01-22T11:05:14.06 3.0 positive manual P -5.36 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.4 0.000023243655000000003 1.0208 AML other m 2023-01-22T11:04:56.46
IV.SSFR.HHN. ML:1.5 0.00011262266499999999 0.0576 AML other m 2023-01-22T11:05:18.34
IV.SSFR.HNN. ML:1.9 0.0003126618 0.0512 AML other m 2023-01-22T11:05:19.55
IV.SSFR.HHE. ML:1.5 0.00012214365 0.064 AML other m 2023-01-22T11:05:21.05
IV.SSFR.HNE. ML:1.9 0.0002943118 0.0512 AML other m 2023-01-22T11:05:21.06
IV.NARO.HHN. ML:1.2 0.00013139738 0.0576 AML other m 2023-01-22T11:05:22.36
IV.NARO.HHE. ML:1.1 0.000113339625 0.0576 AML other m 2023-01-22T11:05:22.44
IV.PIEI.HHE. ML:0.6 0.00004105773 0.16 AML other m 2023-01-22T11:05:23.05
IV.BADI.EHN. ML:0.6 0.00003621616499999999 0.1792 AML other m 2023-01-22T11:05:23.48
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