Earthquake with magnitude of ML 1.5 on date 30-04-2023 and time 20:16:26 (UTC) in region Costa Marchigiana Anconetana (Ancona)

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

  • 30-04-2023 20:16:26 (UTC)
  • 30-04-2023 22:16:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9360, 13.3370 at 10 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)
38 Km NW of Ancona (100861 inhabitants)
63 Km E of Rimini (147750 inhabitants)
90 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 2023-04-30
20:16:26
43.9363 13.337 10 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117375221
Reviewed
Rev100
ML 1.5 2023-04-30
20:16:25
43.956 13.3673 8 2023-04-30
20:24:56
Sala Sismica INGV-Roma 116913731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 20:16:26 ± 0.41
Latitude 43.9363 ± 0.0171
Longitude 13.3370 ± 0.0162
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117375221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2071
Semi-minor axis of confidence ellipse (meter) 507
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 2070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.24282
Epicentral distance of station farthest from the epicenter (degree) 1.35528
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 117375221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 15:14:22

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 116913731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 20:24:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-04-30T20:16:51.89 1.0 undecidable manual P 221 150.4383 50 0.58 18
IV.MMO1.EHZ. 2023-04-30T20:16:46.73 0.6 undecidable manual P 180 114.996 50 0.88 34
IV.CESI.HHZ. 2023-04-30T20:16:45.07 0.3 undecidable manual P 199 109.0131 50 0.15 66
IV.FDMO.HHZ. 2023-04-30T20:16:43.85 0.3 undecidable manual P 191 101.8203 50 0.04 68
IV.CSP1.EHZ. 2023-04-30T20:16:43.48 0.6 undecidable manual P 187 94.3389 50 0.83 37
IV.AOI.HHE. 2023-04-30T20:16:42.50 0.6 undecidable manual S 154 47.8188 50 0.43 47
IV.MML1.EHZ. 2023-04-30T20:16:42.74 0.6 undecidable manual P 198 95.9262 50 -0.16 45
IV.COR1.EHZ. 2023-04-30T20:16:41.60 0.6 undecidable manual S 219 43.2234 50 0.75 42
IV.PESA.HHZ. 2023-04-30T20:16:40.60 0.6 undecidable manual S 271 39.7269 50 0.7 43
IV.PE3.EHE. 2023-04-30T20:16:40.23 0.3 undecidable manual P 249 72.372 50 0.95 54
IV.PCRO.HNE. 2023-04-30T20:16:40.10 0.6 undecidable manual S 157 39.7269 50 0.2 50
IV.CRTC.HNE. 2023-04-30T20:16:39.40 0.6 undecidable manual S 243 40.8258 50 -0.81 41
IV.PIEI.HNN. 2023-04-30T20:16:39.57 0.3 undecidable manual P 236 78.1662 50 -0.59 63
IV.EL6.EHZ. 2023-04-30T20:16:38.62 0.3 undecidable manual P 196 69.9744 50 -0.28 69
IV.NARO.HHN. 2023-04-30T20:16:38.59 0.3 undecidable manual P 239 70.5738 50 -0.4 67
IV.FRON.EHZ. 2023-04-30T20:16:38.10 0.3 undecidable manual P 227 67.4769 50 -0.42 67
IV.CING.HHZ. 2023-04-30T20:16:37.65 0.3 undecidable manual P 190 63.2922 50 -0.22 71
IV.FANO.HNZ. 2023-04-30T20:16:37.21 0.6 undecidable manual S 248 27.4503 109 0.63 45
IV.SENI.EHZ. 2023-04-30T20:16:36.10 0.6 undecidable manual S 198 26.9508 109 -0.31 50
IV.ARVD.HHZ. 2023-04-30T20:16:36.44 0.3 undecidable manual P 213 58.0974 50 -0.63 64
IV.MPAG.EHZ. 2023-04-30T20:16:36.48 0.3 undecidable manual P 234 57.3981 50 -0.5 68
IV.AOI.HHE. 2023-04-30T20:16:35.61 0.3 undecidable manual P 154 47.8188 50 0.12 74
IV.PCRO.HNE. 2023-04-30T20:16:34.05 0.3 undecidable manual P 157 39.7269 50 -0.19 75
IV.PESA.HHZ. 2023-04-30T20:16:34.32 0.3 undecidable manual P 271 39.7269 50 0.09 76
IV.COR1.EHZ. 2023-04-30T20:16:34.91 0.1 undecidable manual P 219 43.2234 50 0.13 100
IV.CRTC.HNE. 2023-04-30T20:16:34.00 0.3 undecidable manual P 243 40.8258 50 -0.41 71
IV.FANO.HNZ. 2023-04-30T20:16:32.72 0.6 undecidable manual P 248 27.4503 109 0.4 49
IV.SENI.EHZ. 2023-04-30T20:16:32.11 0.3 undecidable manual P 198 26.9508 109 -0.11 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHN. ML:1.6 0.000197174255 0.2432 AML other m 2023-04-30T20:16:40.29
IV.SENI.EHE. ML:1.6 0.00023899999999999998 1.08 AML other m 2023-04-30T20:16:42.95
IV.PIEI.HHN. ML:1.0 0.0000136 1.32 AML other m 2023-04-30T20:16:42.67
IV.PIEI.HHE. ML:1.0 0.000012795 0.12 AML other m 2023-04-30T20:16:43.88
IV.ARVD.HHN. ML:0.8 0.00001746251 0.2432 AML other m 2023-04-30T20:16:45.20
IV.CING.HHE. ML:1.0 0.0000212 1.16 AML other m 2023-04-30T20:16:48.14
IV.CING.HHN. ML:1.2 0.00003105 0.56 AML other m 2023-04-30T20:16:49.01
IV.EL6.EHE. ML:1.4 0.00004540097999999999 0.2176 AML other m 2023-04-30T20:16:49.15
IV.MPAG.EHE. ML:1.3 0.00004704999999999999 1.46 AML other m 2023-04-30T20:16:51.77
IV.MPAG.EHN. ML:1.1 0.00003155 0.64 AML other m 2023-04-30T20:16:51.23
IV.ARVD.HHE. ML:1.1 0.00002265 1.32 AML other m 2023-04-30T20:16:52.75
IV.SENI.HNE. ML:2.8 0.0034349999999999997 1.58 AML other m 2023-04-30T20:16:57.92
IV.CSP1.EHE. ML:1.8 0.00006555 0.68 AML other m 2023-04-30T20:16:59.69
IV.MML1.EHE. ML:1.5 0.000032800000000000004 0.7 AML other m 2023-04-30T20:17:00.45
IV.CSP1.EHN. ML:1.9 0.0000812 0.42 AML other m 2023-04-30T20:17:00.75
IV.MML1.EHN. ML:1.4 0.00002785 0.2 AML other m 2023-04-30T20:17:01.82
IV.FDMO.HHE. ML:1.4 0.00002665 1.12 AML other m 2023-04-30T20:17:02.88
IV.FDMO.HHN. ML:1.3 0.0000191 0.5 AML other m 2023-04-30T20:17:02.12
IV.CESI.HHN. ML:1.7 0.0000436 0.38 AML other m 2023-04-30T20:17:03.63
IV.CESI.HHE. ML:1.7 0.000039099999999999995 1.2 AML other m 2023-04-30T20:17:04.86
IV.MMO1.EHE. ML:1.5 0.00002745 1.52 AML other m 2023-04-30T20:17:05.76
IV.SENI.HNN. ML:3.1 0.00791 0.94 AML other m 2023-04-30T20:17:06.90
IV.MMO1.EHN. ML:1.6 0.000034200000000000005 0.34 AML other m 2023-04-30T20:17:07.22
IV.EL6.EHN. ML:1.6 0.000062944975 0.7328 AML other m 2023-04-30T20:17:08.63
IV.SFI.EHN. ML:1.4 0.00001965 0.5 AML other m 2023-04-30T20:17:11.63
IV.MGAB.HHN. ML:1.7 0.000025399999999999997 0.6 AML other m 2023-04-30T20:17:15.79
IV.SFI.EHE. ML:1.3 0.000016550000000000002 1.34 AML other m 2023-04-30T20:17:15.27
IV.MGAB.HHE. ML:1.7 0.000026099999999999997 1.58 AML other m 2023-04-30T20:17:18.11
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