Earthquake with magnitude of ML 2.1 on date 18-08-2023 and time 14:07:05 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 2.1 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 18-08-2023 12:07:05 (UTC)
  • 18-08-2023 14:07:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9450, 13.3810 at 4 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Fano (60888 inhabitants)
38 Km E of Pesaro (94582 inhabitants)
38 Km NW of Ancona (100861 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
Reviewed
Rev100
ML 2.1 2023-08-18
12:07:05
43.9447 13.3808 5 2023-08-18
12:15:05
Sala Sismica INGV-Roma 120254301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-18 12:07:05 ± 0.34
Latitude 43.9447 ± 0.0108
Longitude 13.3808 ± 0.0187
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120254301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1604
Semi-minor axis of confidence ellipse (meter) 901
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 1600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93170
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 64
Type of magnitude ML
Reference to an origin 120254301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-18 12:15:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-08-18T12:08:40.02 3.0 undecidable manual Pg 15.51 0
IV.ILOS.HHZ. 2023-08-18T12:08:36.85 3.0 negative manual Pn 6.15 0
IV.CET2.HHZ. 2023-08-18T12:08:29.62 3.0 undecidable manual Pg 9.77 0
ST.VARA.EHZ. 2023-08-18T12:08:21.09 3.0 undecidable manual Sn -1.87 0
IV.VAGA.HHZ. 2023-08-18T12:08:17.83 3.0 undecidable manual Sn -4.97 0
OX.CAE.HHZ. 2023-08-18T12:07:46.49 3.0 undecidable manual Pg 2.25 0
OX.MLN.HHZ. 2023-08-18T12:07:46.01 3.0 positive manual Pn 0.32 0
NI.PALA.HHZ. 2023-08-18T12:07:46.85 3.0 undecidable manual Pn 0.36 0
IV.GIUL.HHZ. 2023-08-18T12:07:45.03 3.0 undecidable manual Pn -1.08 0
NI.VINO.HHZ. 2023-08-18T12:07:45.65 3.0 undecidable manual Pn -0.76 0
IV.SEI.HHZ. 2023-08-18T12:07:35.34 3.0 negative manual P 1.92 0
IV.SMA1.EHZ. 2023-08-18T12:07:31.19 3.0 negative manual P -0.22 0
IV.CAFI.HHZ. 2023-08-18T12:07:30.66 3.0 negative manual P 1.21 0
IV.NARO.HHZ. 2023-08-18T12:07:29.03 0.6 undecidable manual S 240 74.0703 50 0.12 47
IV.EL6.EHE. 2023-08-18T12:07:29.16 0.6 undecidable manual S 198 71.8725 50 0.84 38
IV.NRCA.HHZ. 2023-08-18T12:07:28.63 3.0 positive manual P 0.15 0
IV.ASSB.HHZ. 2023-08-18T12:07:27.38 3.0 positive manual P 0.71 0
IV.ATCC.EHZ. 2023-08-18T12:07:26.02 3.0 negative manual P 1.48 0
IV.CING.HHZ. 2023-08-18T12:07:25.92 0.6 undecidable manual S 193 64.8906 50 -0.54 44
IV.MURB.HHZ. 2023-08-18T12:07:23.76 0.6 undecidable manual P 223 102.2199 50 0.52 41
IV.FDMO.HHZ. 2023-08-18T12:07:23.50 1.0 positive manual P 193 103.4187 50 0.06 22
IV.CSP1.EHZ. 2023-08-18T12:07:22.89 1.0 negative manual P 189 95.6376 50 0.66 20
IV.MML1.EHZ. 2023-08-18T12:07:22.63 0.6 positive manual P 200 97.9242 50 0.05 46
IV.TSM2.DHN. 2023-08-18T12:07:22.32 0.6 undecidable manual P 230 93.8394 50 0.36 43
IV.ATFO.HHZ. 2023-08-18T12:07:21.86 3.0 negative manual P -0.66 0
IV.COR1.EHZ. 2023-08-18T12:07:21.08 0.6 undecidable manual S 221 46.2204 96 -0.25 48
IV.FOSV.EHZ. 2023-08-18T12:07:21.00 0.6 positive manual P 215 87.5457 50 0.01 47
IV.PF6.EHZ. 2023-08-18T12:07:21.78 0.6 undecidable manual P 190 90.7425 50 0.31 44
IV.PESA.HHZ. 2023-08-18T12:07:20.47 0.6 undecidable manual S 270 43.2234 96 0.17 49
IV.PE3.EHE. 2023-08-18T12:07:19.81 0.6 undecidable manual P 249 75.9684 50 0.61 42
IV.PIEI.HHZ. 2023-08-18T12:07:19.72 1.0 negative manual P 237 81.5517 50 -0.34 22
IV.SNTG.HHE. 2023-08-18T12:07:19.80 0.6 undecidable manual P 205 84.249 50 -0.68 40
IV.NARO.HHZ. 2023-08-18T12:07:18.94 0.3 positive manual P 240 74.0703 50 0.04 72
IV.EL6.EHE. 2023-08-18T12:07:18.11 1.0 undecidable manual P 198 71.8725 50 -0.45 22
IV.FRON.EHE. 2023-08-18T12:07:17.49 0.6 undecidable manual P 228 70.6737 50 -0.9 37
IV.CING.HHZ. 2023-08-18T12:07:17.36 0.6 undecidable manual P 193 64.8906 50 -0.13 48
IV.MPAG.EHZ. 2023-08-18T12:07:16.07 0.6 positive manual P 235 60.7947 50 -0.8 40
IV.ARVD.HHZ. 2023-08-18T12:07:15.89 3.0 negative manual P -1.14 0
IV.SENI.EHZ. 2023-08-18T12:07:15.58 0.6 undecidable manual S 204 29.0487 99 0.14 51
IV.PESA.HHZ. 2023-08-18T12:07:14.04 0.1 positive manual P 270 43.2234 96 0.11 100
IV.COR1.EHZ. 2023-08-18T12:07:14.36 0.1 positive manual P 221 46.2204 96 -0.17 98
IV.CRTC.HHN. 2023-08-18T12:07:13.71 0.6 undecidable manual P 244 44.3223 96 -0.45 46
IV.SENI.EHZ. 2023-08-18T12:07:11.41 0.1 negative manual P 204 29.0487 99 0.29 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHE. ML:2.1 0.0006169025000000001 0.2624 AML other m 2023-08-18T12:07:19.47
IV.PESA.HHE. ML:2.3 0.00071148245 0.1792 AML other m 2023-08-18T12:07:21.04
IV.PESA.HHN. ML:2.2 0.0005891714999999999 0.384 AML other m 2023-08-18T12:07:26.63
IV.SENI.EHN. ML:2.2 0.000875 0.46 AML other m 2023-08-18T12:07:23.48
IV.CING.HHE. ML:1.5 0.000054800000000000004 0.34 AML other m 2023-08-18T12:07:27.59
IV.MPAG.EHN. ML:1.8 0.0001175903 0.2368 AML other m 2023-08-18T12:07:29.47
IV.NARO.HHN. ML:1.6 0.0000634 0.2 AML other m 2023-08-18T12:07:30.75
IV.MPAG.EHE. ML:1.8 0.0001135 1.72 AML other m 2023-08-18T12:07:30.06
IV.CING.HHN. ML:1.5 0.0000586 1.54 AML other m 2023-08-18T12:07:32.00
IV.NARO.HHE. ML:1.5 0.0000502 1.02 AML other m 2023-08-18T12:07:32.90
IV.PIEI.HHE. ML:2.0 0.00012754999999999998 0.32 AML other m 2023-08-18T12:07:35.40
IV.PIEI.HHN. ML:1.7 0.00007475000000000001 0.38 AML other m 2023-08-18T12:07:38.21
IV.FOSV.EHN. ML:2.0 0.000114 0.46 AML other m 2023-08-18T12:07:39.48
IV.FOSV.EHE. ML:2.0 0.0001365 0.38 AML other m 2023-08-18T12:07:39.66
IV.CSP1.EHN. ML:2.2 0.000185 1.52 AML other m 2023-08-18T12:07:39.78
IV.MML1.EHN. ML:1.9 0.00009120000000000001 0.34 AML other m 2023-08-18T12:07:40.08
IV.FDMO.HHN. ML:1.7 0.00004895 0.2 AML other m 2023-08-18T12:07:41.10
IV.FDMO.HHE. ML:1.8 0.00006587928999999999 0.224 AML other m 2023-08-18T12:07:41.47
IV.CSP1.EHE. ML:2.2 0.00016700000000000002 0.54 AML other m 2023-08-18T12:07:42.42
IV.MML1.EHE. ML:1.9 0.000089634965 0.2624 AML other m 2023-08-18T12:07:41.04
IV.NRCA.HHE. ML:1.8 0.00004128262 0.384 AML other m 2023-08-18T12:07:54.00
IV.NRCA.HHN. ML:1.9 0.000048496714999999994 0.1792 AML other m 2023-08-18T12:07:47.80
IV.CAFI.HHE. ML:1.8 0.00004067294 0.8576 AML other m 2023-08-18T12:07:51.74
IV.CAFI.HHN. ML:1.7 0.000037039965 0.5824 AML other m 2023-08-18T12:07:53.49
IV.SMA1.EHE. ML:2.0 0.00005015 1.38 AML other m 2023-08-18T12:07:56.20
IV.SEI.HHN. ML:2.0 0.00005209999999999999 1.42 AML other m 2023-08-18T12:08:03.88
IV.SMA1.EHN. ML:1.9 0.0000452945 0.544 AML other m 2023-08-18T12:08:03.44
IV.SEI.HHE. ML:2.1 0.00005885 1.5 AML other m 2023-08-18T12:08:04.75
NI.VINO.HHN. ML:1.9 0.000015100000000000001 0.42 AML other m 2023-08-18T12:08:17.75
NI.VINO.HHE. ML:1.9 0.000014885 1.44 AML other m 2023-08-18T12:08:30.17
NI.PALA.HHE. ML:2.2 0.000027329949999999997 0.8832 AML other m 2023-08-18T12:08:45.04
NI.PALA.HHN. ML:2.2 0.000026657 0.3968 AML other m 2023-08-18T12:08:18.72
IV.SENI.HNE. ML:2.8 0.0037128955 0.3008 AML other m 2023-08-18T12:07:19.78
IV.SENI.HNN. ML:2.8 0.003664381 0.2688 AML other m 2023-08-18T12:07:19.36
IV.COR1.HNE. ML:3.4 0.0072395605 1.0112 AML other m 2023-08-18T12:07:30.38
IV.COR1.HNN. ML:2.5 0.0009317610499999999 0.7808 AML other m 2023-08-18T12:07:35.85
IV.COR1.EHE. ML:2.6 0.0011602660499999999 2.976 AML other m 2023-08-18T12:07:16.47
IV.COR1.EHN. ML:2.2 0.00045420148 0.1792 AML other m 2023-08-18T12:07:21.41
IV.MPAG.HNE. ML:2.9 0.0016433437499999998 0.7104 AML other m 2023-08-18T12:07:21.47
IV.MPAG.HNN. ML:2.9 0.001809958 0.8384 AML other m 2023-08-18T12:07:39.32
IV.CING.HNE. ML:3.4 0.005193606 0.7872 AML other m 2023-08-18T12:07:35.43
IV.CING.HNN. ML:3.5 0.0061343414999999995 0.7168 AML other m 2023-08-18T12:07:44.33
IV.PIEI.HNE. ML:2.1 0.00017643179 0.3392 AML other m 2023-08-18T12:07:35.41
IV.PIEI.HNN. ML:2.0 0.0001396867 0.3584 AML other m 2023-08-18T12:07:38.19
IV.FOSV.HNE. ML:2.1 0.00016145165000000001 0.4096 AML other m 2023-08-18T12:07:39.46
IV.FOSV.HNN. ML:2.0 0.0001144236 0.3328 AML other m 2023-08-18T12:07:45.04
IV.MML1.HNE. ML:2.2 0.00015738229999999999 0.7936 AML other m 2023-08-18T12:07:54.81
IV.MML1.HNN. ML:2.0 0.00011648009500000001 0.4416 AML other m 2023-08-18T12:07:40.98
IV.NRCA.HNE. ML:2.2 0.00012651535 0.8192 AML other m 2023-08-18T12:08:01.47
IV.NRCA.HNN. ML:2.4 0.00019736015000000002 0.64 AML other m 2023-08-18T12:07:33.48
IV.CAFI.HNE. ML:2.0 0.00006682334 0.9984 AML other m 2023-08-18T12:07:57.60
IV.CAFI.HNN. ML:1.8 0.0000445000685 0.7296 AML other m 2023-08-18T12:08:08.52
IV.GIUL.HHE. ML:1.8 0.0000122844915 0.0768 AML other m 2023-08-18T12:07:56.78
IV.GIUL.HHN. ML:1.8 0.00001225382 0.1024 AML other m 2023-08-18T12:07:56.60
IV.GIUL.HNE. ML:2.9 0.00011798798000000001 0.576 AML other m 2023-08-18T12:08:16.97
IV.GIUL.HNN. ML:2.7 0.000088483835 1.0624 AML other m 2023-08-18T12:08:16.29
NI.VINO.HNE. ML:4.8 0.010738706 0.5568 AML other m 2023-08-18T12:08:38.60
NI.VINO.HNN. ML:5.3 0.037161445 0.96 AML other m 2023-08-18T12:08:42.02
OX.MLN.HHE. ML:1.7 0.000010138946 0.3392 AML other m 2023-08-18T12:08:27.03
OX.MLN.HHN. ML:1.7 0.000011036545 0.7168 AML other m 2023-08-18T12:07:58.26
OX.MLN.HNE. ML:3.0 0.00017839629 0.9024 AML other m 2023-08-18T12:08:35.43
OX.MLN.HNN. ML:3.0 0.00018710145 0.8384 AML other m 2023-08-18T12:08:39.52
OX.CAE.HHE. ML:2.0 0.000018455375000000005 0.3968 AML other m 2023-08-18T12:08:29.32
OX.CAE.HHN. ML:1.7 0.000010509417999999999 0.7424 AML other m 2023-08-18T12:08:33.65
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