Earthquake with magnitude of ML 1.5 on date 31-12-2022 and time 20:26:42 (UTC) in region Costa Marchigiana Anconetana (Ancona)

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

  • 31-12-2022 20:26:42 (UTC)
  • 31-12-2022 21:26:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9190, 13.3430 at 7 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Fano (60888 inhabitants)
34 Km E of Pesaro (94582 inhabitants)
36 Km NW of Ancona (100861 inhabitants)
64 Km E of Rimini (147750 inhabitants)
91 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 2022-12-31
20:26:42
43.9193 13.3427 7 2024-03-01
15:28:14
Bollettino Sismico Italiano INGV 113443271
Reviewed
Rev100
ML 1.5 2022-12-31
20:26:42
43.9213 13.3033 6 2022-12-31
20:34:36
Sala Sismica INGV-Roma 113218891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-31 20:26:42 ± 0.22
Latitude 43.9193 ± 0.0090
Longitude 13.3427 ± 0.0100
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113443271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1109
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 237
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.22843
Epicentral distance of station farthest from the epicenter (degree) 1.09807
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113443271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-10 01:40:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113218891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-31 20:34:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-12-31T20:27:11.41 1.0 undecidable manual S 187 92.4408 50 1.34 14
IV.PARC.HHZ. 2022-12-31T20:27:10.64 1.0 undecidable manual S 252 93.4398 50 0.33 21
IV.SSFR.HHZ. 2022-12-31T20:27:04.54 1.0 undecidable manual S 220 69.9744 50 0.48 21
IV.EL6.EHZ. 2022-12-31T20:27:03.39 0.6 undecidable manual S 197 68.2761 50 -0.22 45
IV.NRCA.HHZ. 2022-12-31T20:27:03.35 0.1 undecidable manual P 189 121.8891 50 0.61 73
IV.FRON.EHZ. 2022-12-31T20:27:02.21 1.0 undecidable manual S 228 66.5778 50 -0.95 18
IV.CRE.HHZ. 2022-12-31T20:27:01.99 0.3 undecidable manual P 254 116.2947 50 0.11 63
IV.MC2.EHZ. 2022-12-31T20:27:01.81 0.1 undecidable manual P 186 112.4985 50 0.51 78
IV.MF5.EHZ. 2022-12-31T20:27:00.63 0.1 undecidable manual P 175 103.8183 50 0.68 74
IV.CESI.HHZ. 2022-12-31T20:27:00.64 0.1 undecidable manual P 199 107.4147 50 0.13 86
IV.ARVD.HHZ. 2022-12-31T20:26:59.96 0.6 undecidable manual S 215 56.6988 50 -0.57 43
IV.MPAG.EHZ. 2022-12-31T20:26:59.83 0.3 undecidable manual S 236 56.6988 50 -0.7 61
IV.ATCC.EHZ. 2022-12-31T20:26:59.55 0.3 undecidable manual P 215 99.123 50 0.31 63
IV.CSP1.EHZ. 2022-12-31T20:26:58.48 0.3 undecidable manual P 187 92.4408 50 0.27 64
Y1.T1714.EHE. 2022-12-31T20:26:58.67 0.3 undecidable manual S 175 49.3173 50 0.12 72
IV.PARC.HHZ. 2022-12-31T20:26:58.60 0.1 undecidable manual P 252 93.4398 50 0.25 86
IV.ATFO.HHZ. 2022-12-31T20:26:57.46 0.1 undecidable manual P 226 87.1461 50 0.07 90
IV.COR1.EHZ. 2022-12-31T20:26:56.99 0.3 undecidable manual S 221 42.0246 50 0.38 69
IV.PESA.HHE. 2022-12-31T20:26:56.51 0.3 undecidable manual S 274 40.2264 50 0.38 69
Y1.T1743.HNN. 2022-12-31T20:26:55.04 0.6 undecidable manual S 257 37.1295 101 -0.09 49
Y1.T1742.EHZ. 2022-12-31T20:26:55.18 0.6 undecidable manual S 198 35.3424 101 0.67 42
IV.PCRO.HNE. 2022-12-31T20:26:54.98 0.3 undecidable manual S 156 37.7289 100 -0.36 70
IV.SSFR.HHZ. 2022-12-31T20:26:54.71 0.3 undecidable manual P 220 69.9744 50 -0.03 71
IV.NARO.HHZ. 2022-12-31T20:26:54.39 0.1 undecidable manual P 241 69.9744 50 -0.36 88
Y1.T1741.HNZ. 2022-12-31T20:26:53.54 0.6 undecidable manual S 233 30.747 103 0.61 44
IV.EL6.EHZ. 2022-12-31T20:26:53.92 0.1 undecidable manual P 197 68.2761 50 -0.56 84
IV.FRON.EHZ. 2022-12-31T20:26:53.86 0.1 undecidable manual P 228 66.5778 50 -0.36 88
Y1.T1711.HNZ.01 2022-12-31T20:26:53.51 0.3 undecidable manual P 279 60.2952 50 0.25 69
IV.MPAG.EHZ. 2022-12-31T20:26:52.09 0.1 undecidable manual P 236 56.6988 50 -0.61 84
IV.ARVD.HHZ. 2022-12-31T20:26:52.23 0.1 undecidable manual P 215 56.6988 50 -0.48 88
Y1.T1714.EHE. 2022-12-31T20:26:51.18 0.1 undecidable manual P 175 49.3173 50 -0.38 91
IV.SENI.EHZ. 2022-12-31T20:26:50.75 0.3 undecidable manual S 200 25.3524 105 -0.37 71
IV.PESA.HHE. 2022-12-31T20:26:50.16 0.1 undecidable manual P 274 40.2264 50 0 100
IV.COR1.EHZ. 2022-12-31T20:26:50.38 0.1 undecidable manual P 221 42.0246 50 -0.06 98
Y1.T1742.EHZ. 2022-12-31T20:26:49.38 0.1 undecidable manual P 198 35.3424 101 0.16 98
Y1.T1743.HNN. 2022-12-31T20:26:49.28 0.1 undecidable manual P 257 37.1295 101 -0.3 94
IV.PCRO.HNE. 2022-12-31T20:26:49.51 0.1 undecidable manual P 156 37.7289 100 -0.19 96
Y1.T1741.HNZ. 2022-12-31T20:26:48.62 0.3 undecidable manual P 233 30.747 103 0.3 72
IV.SENI.EHZ. 2022-12-31T20:26:47.39 0.1 undecidable manual P 200 25.3524 105 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHN. ML:1.8 0.00022600000000000002 0.2 AML other m 2022-12-31T20:26:57.39
IV.COR1.EHE. ML:1.5 0.00010115 0.16 AML other m 2022-12-31T20:26:58.41
IV.MPAG.EHE. ML:1.2 0.0000346 0.3 AML other m 2022-12-31T20:27:07.33
IV.FRON.EHN. ML:1.4 0.00004825 0.44 AML other m 2022-12-31T20:27:07.20
IV.MPAG.EHN. ML:1.2 0.000039349999999999994 0.48 AML other m 2022-12-31T20:27:07.41
IV.SSFR.HHN. ML:1.7 0.0000873 0.24 AML other m 2022-12-31T20:27:09.15
IV.FRON.EHE. ML:1.2 0.000032149999999999995 0.7 AML other m 2022-12-31T20:27:11.62
IV.ATFO.HHN. ML:1.5 0.0000347 0.44 AML other m 2022-12-31T20:27:13.51
IV.SSFR.HHE. ML:1.7 0.0000814 1.8 AML other m 2022-12-31T20:27:14.97
IV.ATFO.HHE. ML:1.6 0.000055100000000000004 0.52 AML other m 2022-12-31T20:27:15.31
IV.PARC.HHE. ML:1.4 0.000026000000000000002 0.48 AML other m 2022-12-31T20:27:16.19
IV.CESI.HHN. ML:1.6 0.0000373 0.42 AML other m 2022-12-31T20:27:18.21
IV.ATCC.EHN. ML:1.7 0.0000533 0.58 AML other m 2022-12-31T20:27:18.65
IV.PARC.HHN. ML:1.4 0.00002585 1.18 AML other m 2022-12-31T20:27:18.21
IV.ATCC.EHE. ML:1.5 0.000034949999999999996 0.28 AML other m 2022-12-31T20:27:20.65
IV.CESI.HHE. ML:1.5 0.0000277 0.9 AML other m 2022-12-31T20:27:20.53
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