Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 18-01-2022 and time 03:33:45 (Italy) in region 6 km S Apecchio (PU)

A magnitude ML 0.7 earthquake occured in region: 6 km S Apecchio (PU), on

  • 18-01-2022 02:33:45 (UTC)
  • 18-01-2022 03:33:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5070, 12.4100 at 8 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
Apecchio PU 6 1882 1882
Pietralunga PG 8 2111 3993
Piobbico PU 12 2029 6022
Città di Castello PG 15 39913 45935
Mercatello sul Metauro PU 17 1378 47313
Montone PG 17 1680 48993
Sant'Angelo in Vado PU 18 4133 53126
Cantiano PU 18 2245 55371
Borgo Pace PU 19 606 55977
San Giustino PG 19 11297 67274
Cagli PU 20 8731 76005

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Arezzo (99543 inhabitants)
45 Km N of Perugia (166134 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
62 Km SW of Fano (60888 inhabitants)
63 Km S of Rimini (147750 inhabitants)
66 Km NW of Foligno (57155 inhabitants)
71 Km S of Cesena (96758 inhabitants)
85 Km SE of Forlì (117913 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
96 Km SE of Faenza (58541 inhabitants)
97 Km E of Firenze (382808 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 0.7 2022-01-18
02:33:45		 43.5073 12.4102 8 2022-01-18
02:39:23		 Sala Sismica INGV-Roma 99893001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-18 02:33:45 ± 0.11
Latitude 43.5073 ± 0.0027
Longitude 12.4102 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99893001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 12
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 26
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 99893001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-18 02:39:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2022-01-18T02:33:54.72 0.3 undecidable manual S 87 25.4523 107 -0.21 70
IV.ATFO.HHZ. 2022-01-18T02:33:53.19 0.3 undecidable manual S 140 20.3685 111 -0.06 73
IV.PARC.HHZ. 2022-01-18T02:33:53.75 0.3 undecidable manual S 319 20.868 110 0.32 69
IV.NARO.HHZ. 2022-01-18T02:33:52.53 0.3 undecidable manual S 50 17.871 113 0.06 73
IV.MURB.HHZ. 2022-01-18T02:33:51.76 0.3 positive manual P 161 28.6491 105 0.1 72
IV.ATVO.HHZ. 2022-01-18T02:33:51.34 0.3 undecidable manual S 181 13.875 119 0.11 73
IV.SSFR.HHZ. 2022-01-18T02:33:51.68 0.6 positive manual P 105 30.9468 104 -0.43 44
IV.ATBU.EHE. 2022-01-18T02:33:51.01 0.3 undecidable manual S 108 11.6772 123 0.45 68
IV.PIEI.HHZ. 2022-01-18T02:33:50.55 0.3 undecidable manual S 73 10.4784 126 0.31 71
IV.PE3.EHZ. 2022-01-18T02:33:50.95 1.0 negative manual P 18 22.0668 109 0.56 22
IV.BADI.EHZ. 2022-01-18T02:33:50.99 0.3 undecidable manual S 271 13.3755 120 -0.07 74
IV.PARC.HHZ. 2022-01-18T02:33:50.30 0.6 positive manual P 319 20.868 110 0.13 48
IV.FRON.EHZ. 2022-01-18T02:33:50.81 1.0 undecidable manual P 87 25.4523 107 -0.23 23
IV.NARO.HHZ. 2022-01-18T02:33:49.42 0.6 undecidable manual P 50 17.871 113 -0.19 48
IV.ATFO.HHZ. 2022-01-18T02:33:49.92 0.6 negative manual P 140 20.3685 111 -0.15 48
IV.ATPI.EHZ. 2022-01-18T02:33:49.33 0.3 undecidable manual S 186 6.2937 141 0.16 73
IV.ATBU.EHE. 2022-01-18T02:33:48.63 0.1 undecidable manual P 108 11.6772 123 0.12 98
IV.PIEI.HHZ. 2022-01-18T02:33:48.38 0.3 positive manual P 73 10.4784 126 0.05 75
IV.APEC.HHZ. 2022-01-18T02:33:48.69 0.3 undecidable manual S 8 5.6943 143 -0.35 71
IV.TB03.DH2.01 2022-01-18T02:33:48.52 0.1 undecidable manual P 180 11.7771 123 -0.01 100
IV.BADI.EHZ. 2022-01-18T02:33:48.73 0.1 positive manual P 271 13.3755 120 -0.07 99
IV.ATPC.HHE. 2022-01-18T02:33:48.70 0.3 undecidable manual S 128 4.7952 148 -0.16 74
IV.ATVO.HHZ. 2022-01-18T02:33:48.89 0.6 positive manual P 181 13.875 119 -0.01 50
IV.ATPC.HHE. 2022-01-18T02:33:47.41 0.1 undecidable manual P 128 4.7952 148 -0.12 99
IV.ATPI.EHZ. 2022-01-18T02:33:47.65 0.3 undecidable manual P 186 6.2937 141 -0.06 75
IV.APEC.HHZ. 2022-01-18T02:33:47.46 0.3 undecidable manual P 8 5.6943 143 -0.18 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.7 0.00007355 0.38 AML other m 2022-01-18T02:33:50.79
IV.BADI.EHN. ML:0.9 0.00008615000000000001 0.54 AML other m 2022-01-18T02:33:51.31
IV.PIEI.HHE. ML:0.8 0.0000789 1.46 AML other m 2022-01-18T02:33:51.82
IV.BADI.EHE. ML:0.7 0.00006125 0.9 AML other m 2022-01-18T02:33:51.90
IV.ATVO.HHE. ML:0.4 0.000029049999999999998 0.48 AML other m 2022-01-18T02:33:52.61
IV.NARO.HHE. ML:0.6 0.0000332 0.06 AML other m 2022-01-18T02:33:52.76
IV.NARO.HHN. ML:0.6 0.000036500000000000006 0.5 AML other m 2022-01-18T02:33:52.70
IV.ATVO.HHN. ML:0.4 0.0000283 0.66 AML other m 2022-01-18T02:33:53.62
IV.SSFR.HHN. ML:0.6 0.000019900000000000003 0.58 AML other m 2022-01-18T02:33:58.33
IV.SSFR.HHE. ML:0.7 0.000023 1.16 AML other m 2022-01-18T02:33:58.98
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