Earthquake with magnitude of ML 0.9 on date 17-01-2023 and time 09:29:58 (UTC) in region 4 km SW Apecchio (PU)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Apecchio (PU), on

  • 17-01-2023 09:29:58 (UTC)
  • 17-01-2023 10:29:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5370, 12.3780 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.

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 4 1882 1882
Pietralunga PG 12 2111 3993
Piobbico PU 12 2029 6022
Mercatello sul Metauro PU 13 1378 7400
CittĂ  di Castello PG 14 39913 47313
Sant'Angelo in Vado PU 15 4133 51446
Borgo Pace PU 15 606 52052
San Giustino PG 16 11297 63349
Urbania PU 19 7099 70448
Sansepolcro AR 19 15884 86332
Montone PG 20 1680 88012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Arezzo (99543 inhabitants)
48 Km N of Perugia (166134 inhabitants)
60 Km SW of Pesaro (94582 inhabitants)
60 Km S of Rimini (147750 inhabitants)
62 Km SW of Fano (60888 inhabitants)
68 Km S of Cesena (96758 inhabitants)
70 Km NW of Foligno (57155 inhabitants)
81 Km SE of Forlì (117913 inhabitants)
88 Km E of Siena (53903 inhabitants)
92 Km SE of Faenza (58541 inhabitants)
92 Km W of Ancona (100861 inhabitants)
94 Km E of Firenze (382808 inhabitants)
99 Km S of Ravenna (159116 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
Reviewed
Rev100
ML 0.9 2023-01-17
09:29:58
43.5368 12.3783 10 2023-01-17
09:35:22
Sala Sismica INGV-Roma 113615861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-17 09:29:58 ± 0.11
Latitude 43.5368 ± 0.0036
Longitude 12.3783 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113615861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.60434
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:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 113615861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-17 09:35:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-01-17T09:30:11.14 0.1 undecidable manual P 134 67.0773 50 0.63 79
IV.TB02.DHZ.01 2023-01-17T09:30:06.26 0.6 undecidable manual S 172 18.6702 119 0.25 47
IV.ARVD.HHZ. 2023-01-17T09:30:06.49 0.1 undecidable manual P 95 45.5211 50 -0.7 79
IV.PARC.HHZ. 2023-01-17T09:30:05.86 0.6 undecidable manual S 318 16.7721 121 0.42 46
IV.NARO.HHZ. 2023-01-17T09:30:05.83 0.6 undecidable manual S 63 18.1707 119 -0.05 49
IV.TB03.DHZ.01 2023-01-17T09:30:05.16 0.6 undecidable manual S 170 15.2736 124 0.15 49
IV.ATMC.EHZ. 2023-01-17T09:30:05.72 0.6 undecidable manual S 236 17.9709 120 -0.09 49
IV.TSM2.DHZ.01 2023-01-17T09:30:05.81 0.6 undecidable manual S 150 17.9709 120 -0.01 50
IV.TB01.DHZ.01 2023-01-17T09:30:05.60 0.1 undecidable manual S 165 17.871 120 -0.17 97
IV.ATVO.HHZ. 2023-01-17T09:30:05.81 0.6 undecidable manual S 172 17.2716 120 0.19 48
IV.PIEI.HHZ. 2023-01-17T09:30:04.68 0.6 undecidable manual S 91 12.5763 129 0.42 46
IV.ATPI.EHZ. 2023-01-17T09:30:03.58 0.6 undecidable manual S 169 9.7791 136 0.04 50
IV.BADI.EHZ. 2023-01-17T09:30:03.96 0.6 undecidable manual S 254 11.1777 132 0.06 50
IV.ATPC.HHZ. 2023-01-17T09:30:03.35 0.6 undecidable manual S 135 8.88 139 0.02 51
IV.TSM2.DHZ.01 2023-01-17T09:30:02.76 0.1 undecidable manual P 150 17.9709 120 -0.02 100
IV.PIEI.HHZ. 2023-01-17T09:30:02.16 0.6 undecidable manual P 91 12.5763 129 0.27 48
IV.TB01.DHZ.01 2023-01-17T09:30:02.82 0.1 undecidable manual P 165 17.871 120 0.06 99
IV.ATVO.HHZ. 2023-01-17T09:30:02.80 0.6 positive manual P 172 17.2716 120 0.13 49
IV.TB02.DHZ.01 2023-01-17T09:30:02.90 0.1 undecidable manual P 172 18.6702 119 0 100
IV.PARC.HHZ. 2023-01-17T09:30:02.88 0.6 undecidable manual P 318 16.7721 121 0.31 47
IV.TB03.DHZ.01 2023-01-17T09:30:02.16 0.1 undecidable manual P 170 15.2736 124 -0.16 97
IV.ATMC.EHZ. 2023-01-17T09:30:02.45 0.1 undecidable manual P 236 17.9709 120 -0.33 93
IV.NARO.HHZ. 2023-01-17T09:30:02.93 0.1 undecidable manual P 63 18.1707 119 0.11 98
IV.APEC.HNZ. 2023-01-17T09:30:01.92 0.6 undecidable manual S 54 4.0959 158 -0.53 46
IV.ATPC.HHZ. 2023-01-17T09:30:01.27 0.1 undecidable manual P 135 8.88 139 -0.08 100
IV.ATPI.EHZ. 2023-01-17T09:30:01.55 1.0 positive manual P 169 9.7791 136 0.08 25
IV.BADI.EHZ. 2023-01-17T09:30:01.69 1.0 undecidable manual P 254 11.1777 132 0.01 25
IV.APEC.HNZ. 2023-01-17T09:30:00.70 0.1 undecidable manual P 54 4.0959 158 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:1.2 0.00020150000000000002 0.3 AML other m 2023-01-17T09:30:03.84
IV.BADI.EHE. ML:1.0 0.000125 1.2 AML other m 2023-01-17T09:30:04.08
IV.ATVO.HHN. ML:1.0 0.0000766 1.58 AML other m 2023-01-17T09:30:04.13
IV.PIEI.HHE. ML:0.9 0.00008335 0.42 AML other m 2023-01-17T09:30:05.93
IV.PIEI.HHN. ML:0.6 0.0000472 0.32 AML other m 2023-01-17T09:30:05.90
IV.NARO.HHN. ML:0.9 0.00006805 0.06 AML other m 2023-01-17T09:30:06.04
IV.ATVO.HHE. ML:1.0 0.0000949 0.34 AML other m 2023-01-17T09:30:06.02
IV.NARO.HHE. ML:0.8 0.00005235 0.42 AML other m 2023-01-17T09:30:10.60
IV.ATPI.EHE. ML:0.8 0.00008290976 0.0832 AML other m 2023-01-17T09:30:03.47
IV.ATPI.EHN. ML:1.0 0.00012462345 0.16 AML other m 2023-01-17T09:30:03.62
IV.PARC.HHE. ML:0.8 0.00005494253 0.224 AML other m 2023-01-17T09:30:06.42
IV.PARC.HHN. ML:0.9 0.000065771785 0.1792 AML other m 2023-01-17T09:30:06.79
IV.ARVD.HHE. ML:0.9 0.000024263995 0.6208 AML other m 2023-01-17T09:30:09.45
IV.ARVD.HHN. ML:1.0 0.00003015618 1.184 AML other m 2023-01-17T09:30:08.19
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