Earthquake with magnitude of ML 1.7 on date 07-02-2023 and time 05:04:34 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 1.7 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 07-02-2023 04:04:34 (UTC)
  • 07-02-2023 05:04:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9930, 13.4050 at 5 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
35 Km E of Fano (60888 inhabitants)
40 Km E of Pesaro (94582 inhabitants)
43 Km N of Ancona (100861 inhabitants)
68 Km E of Rimini (147750 inhabitants)
94 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 1.7 2023-02-07
04:04:34
43.9933 13.4052 5 2024-03-01
17:18:02
Bollettino Sismico Italiano INGV 116086681
Reviewed
Rev100
ML 1.6 2023-02-07
04:04:34
44.0027 13.4063 5 2023-02-07
04:20:56
Sala Sismica INGV-Roma 114204851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-07 04:04:34 ± 0.24
Latitude 43.9933 ± 0.0099
Longitude 13.4052 ± 0.0100
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116086681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1043
Semi-minor axis of confidence ellipse (meter) 787
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.80674
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 114204851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-07 04:20:56

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 116086681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-05 10:23:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2023-02-07T04:05:07.52 3.0 positive manual P 200.5437 0.02 0
IV.MURB.HHZ. 2023-02-07T04:05:03.79 3.0 undecidable manual S -0.09 0
IV.NRCA.HHZ. 2023-02-07T04:04:57.79 0.3 undecidable manual P 190 130.7691 50 0.47 58
IV.ARVD.HHZ. 2023-02-07T04:04:56.23 0.6 undecidable manual S 214 66.2781 50 -0.23 47
IV.MMO1.EHZ. 2023-02-07T04:04:55.97 0.6 undecidable manual P 183 121.4895 50 0.07 43
IV.MF5.EHZ. 2023-02-07T04:04:54.61 0.6 undecidable manual P 178 111.5994 50 0.24 42
IV.COR1.EHZ. 2023-02-07T04:04:53.14 0.6 undecidable manual S 219 51.5151 50 0.62 42
IV.FDMO.HHZ. 2023-02-07T04:04:53.66 0.3 undecidable manual P 194 109.2129 50 -0.34 63
IV.PESA.HHE. 2023-02-07T04:04:51.17 0.6 undecidable manual S 263 45.5211 97 0.29 48
IV.CRTC.HNZ. 2023-02-07T04:04:51.36 0.6 undecidable manual S 239 48.618 50 -0.38 47
Y1.T1742.HNZ. 2023-02-07T04:04:50.45 0.6 undecidable manual S 201 44.7219 97 -0.18 49
Y1.T1743.EHZ. 2023-02-07T04:04:50.60 0.6 undecidable manual S 248 44.4222 97 0.1 50
IV.SSFR.HHZ. 2023-02-07T04:04:49.12 0.3 undecidable manual P 219 79.4649 50 -0.29 67
Y1.T1741.HNZ. 2023-02-07T04:04:49.15 0.6 undecidable manual S 228 39.7269 97 0.24 49
IV.SENI.HNZ. 2023-02-07T04:04:47.18 0.6 undecidable manual S 203 34.8429 98 -0.03 51
IV.ARVD.HHZ. 2023-02-07T04:04:46.75 0.3 undecidable manual P 214 66.2781 50 -0.64 63
IV.COR1.EHZ. 2023-02-07T04:04:45.29 0.1 undecidable manual P 219 51.5151 50 0.18 96
IV.AOI.HHE. 2023-02-07T04:04:45.37 0.6 undecidable manual P 162 51.6039 50 0.25 47
IV.CRTC.HNZ. 2023-02-07T04:04:44.65 0.3 undecidable manual P 239 48.618 50 -0.01 76
Y1.T1742.HNZ. 2023-02-07T04:04:44.06 0.3 undecidable manual P 201 44.7219 97 0.04 76
Y1.T1743.EHZ. 2023-02-07T04:04:44.05 0.1 undecidable manual P 248 44.4222 97 0.1 100
IV.PESA.HHE. 2023-02-07T04:04:44.12 0.6 undecidable manual P 263 45.5211 97 -0.05 50
Y1.T1741.HNZ. 2023-02-07T04:04:42.58 0.6 undecidable manual P 228 39.7269 97 -0.45 46
IV.SENI.HNZ. 2023-02-07T04:04:42.14 0.3 undecidable manual P 203 34.8429 98 0.09 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHE. ML:1.3 0.000054956435499999995 0.1984 AML other m 2023-02-07T04:04:53.75
IV.COR1.EHN. ML:1.9 0.00018294856355 0.16 AML other m 2023-02-07T04:04:53.78
IV.ARVD.HHN. ML:1.2 0.000029792079999999998 1.7408 AML other m 2023-02-07T04:04:57.05
IV.ARVD.HHE. ML:1.3 0.00004107794 0.1984 AML other m 2023-02-07T04:04:57.16
IV.SSFR.HHE. ML:1.7 0.00007306581 0.2592 AML other m 2023-02-07T04:05:04.28
IV.SSFR.HHN. ML:1.8 0.0000984 0.26 AML other m 2023-02-07T04:05:04.54
IV.FDMO.HHE. ML:1.7 0.00003851368 0.2016 AML other m 2023-02-07T04:05:12.11
IV.MF5.EHN. ML:2.4 0.000219 0.42 AML other m 2023-02-07T04:05:13.38
IV.FDMO.HHN. ML:1.4 0.00002223081 0.3616 AML other m 2023-02-07T04:05:13.65
IV.MMO1.EHE. ML:1.7 0.000034686205 0.2592 AML other m 2023-02-07T04:05:14.64
IV.MMO1.EHN. ML:2.0 0.000071552905 0.3776 AML other m 2023-02-07T04:05:19.54
IV.MF5.EHE. ML:2.5 0.0002505 1.58 AML other m 2023-02-07T04:05:21.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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