Earthquake with magnitude of ML 2.0 on date 28-04-2019 and time 17:12:34 (UTC) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 2.0 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 28-04-2019 17:12:34 (UTC)
  • 28-04-2019 19:12:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.73, 13.34 at 9 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montemarciano AN 10 9992 9992
Senigallia AN 10 45027 55019
Falconara Marittima AN 12 26565 81584
Chiaravalle AN 14 14796 96380
Monte San Vito AN 15 6848 103228
Camerata Picena AN 16 2567 105795
Morro d'Alba AN 17 1903 107698
Ancona AN 19 100861 208559
Ostra AN 20 6875 215434
Monsano AN 20 3405 218839
San Marcello AN 20 2057 220896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Ancona (100861 inhabitants)
29 Km E of Fano (60888 inhabitants)
40 Km SE of Pesaro (94582 inhabitants)
73 Km SE of Rimini (147750 inhabitants)
99 Km E of Cesena (96758 inhabitants)
100 Km NE of Foligno (57155 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
Rev 1000 ML 2.0 2019-04-28
17:12:34
43.73 13.35 9 2019-08-22
08:25:03
Bollettino Sismico Italiano INGV 69693711
Rev 100 ML 1.8 2019-04-28
17:12:33
43.74 13.35 9 2019-04-28
17:25:48
Sala Sismica INGV-Roma 68063581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-28 17:12:34 ± 0.2
Latitude 43.73 ± 0.01
Longitude 13.35 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69693711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1501
Semi-minor axis of confidence ellipse (meter) 676
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 1.21319
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 69693711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-26 00:10:11

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 68063581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-28 17:25:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CR.BRJN.HHE. 2019-04-28T17:12:57.24 0.3 undecidable manual P 14 1.2132 50 0.84 47
IV.EL6.EHZ. 2019-04-28T17:12:50.29 0.3 undecidable manual S 204 0.4344 50 0.57 61
IV.MPAG.EHZ. 2019-04-28T17:12:49.65 0.6 undecidable manual S 257 0.4344 50 -0.07 46
IV.ARVD.HHZ. 2019-04-28T17:12:47.71 0.6 undecidable manual S 232 0.3705 50 -0.12 46
IV.COR1.EHZ. 2019-04-28T17:12:45.92 0.3 undecidable manual S 249 0.2671 50 1.17 49
IV.FOSV.EHZ. 2019-04-28T17:12:45.03 0.3 undecidable manual P 225 0.6043 50 -0.95 51
IV.SSFR.HHE. 2019-04-28T17:12:44.06 0.3 undecidable manual P 235 0.5 50 -0.14 67
IV.AOI.HHE. 2019-04-28T17:12:44.65 0.3 undecidable manual S 133 0.2563 108 0.27 69
IV.MPAG.EHZ. 2019-04-28T17:12:43.00 0.1 undecidable manual P 257 0.4344 50 -0.07 92
IV.PESA.HHZ. 2019-04-28T17:12:42.56 0.3 undecidable manual P 301 0.4227 50 -0.31 66
IV.EL6.EHZ. 2019-04-28T17:12:42.80 0.1 positive manual P 204 0.4344 50 -0.27 89
IV.PCRO.HNZ. 2019-04-28T17:12:41.97 0.3 undecidable manual S 131 0.1799 115 0.31 69
IV.ARVD.HHZ. 2019-04-28T17:12:41.49 0.1 undecidable manual P 232 0.3705 50 -0.5 85
IV.COR1.EHZ. 2019-04-28T17:12:40.39 0.1 undecidable manual P 249 0.2671 50 0.19 93
IV.AOI.HHE. 2019-04-28T17:12:39.64 0.1 undecidable manual P 133 0.2563 108 -0.35 90
IV.PCRO.HNZ. 2019-04-28T17:12:38.32 0.1 undecidable manual P 131 0.1799 115 -0.1 97
IV.SENI.HNZ. 2019-04-28T17:12:38.81 0.3 undecidable manual S 255 0.0836 135 0.23 72
IV.SENI.HNZ. 2019-04-28T17:12:36.63 0.1 undecidable manual P 255 0.0836 135 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHN. ML:1.8 0.00093948025 0.8576 AML other m 2019-04-28T17:12:38.88
IV.SENI.EHE. ML:2.1 0.0018725155 0.0896 AML other m 2019-04-28T17:12:38.94
IV.SENI.HNE. ML:2.8 0.008687036 0.0768 AML other m 2019-04-28T17:12:39.13
IV.PCRO.HNN. ML:2.2 0.00127466385 0.0768 AML other m 2019-04-28T17:12:42.28
IV.SENI.HNN. ML:2.6 0.0053176775 0.2432 AML other m 2019-04-28T17:12:42.57
IV.PCRO.HNE. ML:2.1 0.00085547455 0.0768 AML other m 2019-04-28T17:12:43.23
IV.COR1.HNN. ML:2.4 0.00131791375 0.7168 AML other m 2019-04-28T17:12:44.71
IV.COR1.EHN. ML:1.7 0.00022527385 0.2048 AML other m 2019-04-28T17:12:46.25
IV.COR1.EHE. ML:1.9 0.00036446575 2.112 AML other m 2019-04-28T17:12:46.58
IV.COR1.HNE. ML:2.1 0.00067240008 1.9456 AML other m 2019-04-28T17:12:45.86
IV.EL6.EHN. ML:1.7 0.000141824715 1.6384 AML other m 2019-04-28T17:12:51.31
IV.EL6.EHE. ML:1.5 9.7388105E-5 0.256 AML other m 2019-04-28T17:12:50.93
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download