Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-12-2022 and time 06:24:15 (UTC) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 1.5 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 20-12-2022 06:24:15 (UTC)
  • 20-12-2022 07:24:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9140, 13.3620 at 8 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Fano (60888 inhabitants)
35 Km NW of Ancona (100861 inhabitants)
36 Km E of Pesaro (94582 inhabitants)
66 Km E of Rimini (147750 inhabitants)
93 Km E of Cesena (96758 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 1.5 2022-12-20
06:24:15		 43.9135 13.3615 8 2024-03-01
15:28:26		 Bollettino Sismico Italiano INGV 118277531
Reviewed
Rev100 		ML 2.0 2022-12-20
06:24:15		 43.912 13.3703 8 2022-12-20
06:31:42		 Sala Sismica INGV-Roma 112964641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-20 06:24:15 ± 0.3
Latitude 43.9135 ± 0.0108
Longitude 13.3615 ± 0.0125
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118277531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1362
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.22753
Epicentral distance of station farthest from the epicenter (degree) 0.70597
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 112964641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-20 06:31:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 7
Type of magnitude ML
Reference to an origin 118277531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-10 15:47:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2022-12-20T06:24:33.55 0.6 undecidable manual S 237 57.5979 50 -0.71 54
Y1.T1714.EHE. 2022-12-20T06:24:32.35 0.6 undecidable manual S 177 48.618 50 0.5 57
IV.PESA.HHZ. 2022-12-20T06:24:30.73 0.6 undecidable manual S 274 41.7249 50 0.71 53
IV.AOI.HHE. 2022-12-20T06:24:30.28 0.6 undecidable manual S 154 44.7219 50 -0.52 59
Y1.T1743.HNN. 2022-12-20T06:24:29.04 0.6 undecidable manual S 259 38.5281 50 -0.12 65
IV.CRTC.HNE. 2022-12-20T06:24:29.49 0.6 undecidable manual S 247 41.5251 50 -0.47 60
Y1.T1742.EHZ. 2022-12-20T06:24:28.93 0.3 undecidable manual S 201 35.2425 50 0.65 83
IV.PIEI.HNN. 2022-12-20T06:24:28.96 1.0 undecidable manual P 238 78.366 50 -0.7 25
IV.PCRO.HNE. 2022-12-20T06:24:28.54 0.6 undecidable manual S 158 36.6411 50 -0.1 66
IV.SSFR.HHN. 2022-12-20T06:24:27.88 0.3 undecidable manual P 221 70.4739 50 -0.55 82
IV.EL6.EHZ. 2022-12-20T06:24:27.81 0.3 undecidable manual P 198 68.0763 50 -0.26 89
Y1.T1741.HNN. 2022-12-20T06:24:27.46 0.3 undecidable manual S 236 31.5462 105 0.35 96
IV.MPAG.EHZ. 2022-12-20T06:24:26.07 0.3 undecidable manual P 237 57.5979 50 -0.38 88
Y1.T1714.EHE. 2022-12-20T06:24:25.40 0.6 undecidable manual P 177 48.618 50 0.34 60
IV.SENI.EHZ. 2022-12-20T06:24:25.06 0.3 undecidable manual S 204 25.2525 108 0.04 99
IV.ARVD.HHE. 2022-12-20T06:24:25.89 0.3 undecidable manual P 216 57.0984 50 -0.48 86
IV.AOI.HHE. 2022-12-20T06:24:24.50 0.3 undecidable manual P 154 44.7219 50 0.04 97
IV.COR1.HNZ. 2022-12-20T06:24:24.29 0.3 undecidable manual P 223 42.624 50 0.15 95
IV.PESA.HHZ. 2022-12-20T06:24:24.52 0.3 undecidable manual P 274 41.7249 50 0.51 88
Y1.T1742.EHZ. 2022-12-20T06:24:23.33 0.3 undecidable manual P 201 35.2425 50 0.32 93
IV.PCRO.HNE. 2022-12-20T06:24:23.28 0.6 undecidable manual P 158 36.6411 50 0.07 65
Y1.T1743.HNN. 2022-12-20T06:24:23.41 0.3 undecidable manual P 259 38.5281 50 -0.1 97
IV.CRTC.HNE. 2022-12-20T06:24:23.89 0.6 undecidable manual P 247 41.5251 50 -0.08 64
Y1.T1741.HNN. 2022-12-20T06:24:22.69 0.3 undecidable manual P 236 31.5462 105 0.36 95
IV.SENI.EHZ. 2022-12-20T06:24:21.19 0.3 undecidable manual P 204 25.2525 108 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.HNE. ML:2.3 0.00127 0.16 AML other m 2022-12-20T06:24:26.26
IV.SENI.EHE. ML:1.7 0.00028649999999999997 0.54 AML other m 2022-12-20T06:24:28.84
IV.SENI.HNN. ML:2.3 0.0012900000000000001 0.24 AML other m 2022-12-20T06:24:28.74
IV.SENI.EHN. ML:1.6 0.00021155 0.46 AML other m 2022-12-20T06:24:29.25
IV.MPAG.EHE. ML:1.0 0.0000189926795 0.3776 AML other m 2022-12-20T06:24:39.77
IV.MPAG.EHN. ML:1.1 0.00002353644 0.5632 AML other m 2022-12-20T06:24:43.14
IV.EL6.EHE. ML:1.3 0.000032617415 0.7808 AML other m 2022-12-20T06:24:55.27
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