Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-05-2019 and time 00:34:09 (Italy) in region Costa Marchigiana Anconetana (Ancona)

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

  • 17-05-2019 22:34:09 (UTC)
  • 18-05-2019 00:34:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5670, 13.7560 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sirolo AN 12 4051 4051
Numana AN 12 3775 7826
Camerano AN 17 7322 15148
Porto Recanati MC 17 12531 27679
Loreto AN 18 12814 40493
Ancona AN 20 100861 141354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Ancona (100861 inhabitants)
67 Km E of Fano (60888 inhabitants)
78 Km E of Pesaro (94582 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 2019-05-17
22:34:09		 43.5668 13.756 8 2019-11-13
14:30:52		 Bollettino Sismico Italiano INGV 69655231
Reviewed
Rev100 		ML 1.6 2019-05-17
22:34:08		 43.5797 13.7418 8 2019-05-17
22:51:13		 Sala Sismica INGV-Roma 68647041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-17 22:34:09 ± 0.34
Latitude 43.5668 ± 0.0090
Longitude 13.7560 ± 0.0223
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69655231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1873
Semi-minor axis of confidence ellipse (meter) 844
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 263
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.95508
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 69655231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-11 07:17:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 68647041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-17 22:51:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2019-05-17T22:34:37.59 1.0 undecidable manual S 228 92.8404 50 0.54 20
IV.CSP1.EHZ. 2019-05-17T22:34:31.04 0.3 undecidable manual S 220 68.9754 50 0.35 65
IV.MF5.EHZ. 2019-05-17T22:34:31.09 1.0 undecidable manual S 201 68.5758 50 0.51 21
IV.ASSB.HHZ. 2019-05-17T22:34:27.72 0.3 undecidable manual P 237 106.0161 50 0.45 59
IV.CESI.HHZ. 2019-05-17T22:34:25.19 0.3 undecidable manual P 228 92.8404 50 -0.05 66
IV.NRCA.HHZ. 2019-05-17T22:34:25.28 0.1 undecidable manual P 213 96.5256 50 -0.52 78
IV.TRE1.HNZ. 2019-05-17T22:34:24.13 1.0 undecidable manual S 232 45.621 50 -0.32 23
IV.MC2.EHZ. 2019-05-17T22:34:23.81 0.3 undecidable manual P 212 85.9473 50 -0.37 63
IV.MPAG.EHZ. 2019-05-17T22:34:23.36 0.3 undecidable manual P 275 80.364 50 0.04 68
IV.CSP1.EHZ. 2019-05-17T22:34:21.17 0.3 undecidable manual P 220 68.9754 50 -0.39 64
IV.MF5.EHZ. 2019-05-17T22:34:21.31 0.3 undecidable manual P 201 68.5758 50 -0.19 67
IV.COR1.EHZ. 2019-05-17T22:34:21.02 1.0 undecidable manual P 277 61.0944 50 0.67 20
IV.ARVD.HHZ. 2019-05-17T22:34:20.96 0.6 undecidable manual P 264 65.9895 50 -0.14 45
IV.CIMA.HNZ. 2019-05-17T22:34:20.80 0.3 undecidable manual S 193 29.8479 105 1 55
IV.MNTT.EHZ. 2019-05-17T22:34:20.40 0.3 undecidable manual P 193 57.498 50 0.6 62
IV.PF6.EHZ. 2019-05-17T22:34:20.83 0.3 undecidable manual P 224 65.6898 50 -0.23 67
IV.EL6.EHZ. 2019-05-17T22:34:19.43 0.3 undecidable manual P 244 58.8966 50 -0.59 62
IV.TRE1.HNZ. 2019-05-17T22:34:18.22 0.6 undecidable manual P 232 45.621 50 0.26 46
IV.SENI.EHE. 2019-05-17T22:34:18.00 0.3 undecidable manual P 290 44.7219 50 0.18 71
IV.PP3.EHZ. 2019-05-17T22:34:17.56 0.1 undecidable manual S 209 24.0537 108 -0.31 95
IV.PCRO.HNZ. 2019-05-17T22:34:16.74 0.6 undecidable manual S 284 18.5703 113 0.68 43
IV.CIMA.HNZ. 2019-05-17T22:34:15.57 0.6 undecidable manual P 193 29.8479 105 0.3 47
IV.PCRO.HNZ. 2019-05-17T22:34:13.79 0.6 undecidable manual P 284 18.5703 113 0.67 43
IV.PP3.EHZ. 2019-05-17T22:34:13.86 0.1 undecidable manual P 209 24.0537 108 -0.3 95
IV.AOI.HHZ. 2019-05-17T22:34:13.82 0.3 undecidable manual S 262 12.4764 122 -0.39 71
IV.AOI.HHZ. 2019-05-17T22:34:11.91 0.1 undecidable manual P 262 12.4764 122 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.HNE. ML:2.8 0.0014015649 1.0496 AML other m 2019-05-17T22:34:30.05
IV.EL6.EHN. ML:1.4 0.00005730831 0.2816 AML other m 2019-05-17T22:34:30.53
IV.CESI.HNE. ML:2.2 0.00019199225 0.7168 AML other m 2019-05-17T22:34:30.91
IV.ARVD.HHE. ML:0.9 0.000016099145499999997 0.2304 AML other m 2019-05-17T22:34:31.37
IV.NRCA.HNE. ML:2.4 0.00026234383500000003 0.6144 AML other m 2019-05-17T22:34:31.92
IV.ARVD.HHN. ML:0.9 0.000013127278499999998 0.1536 AML other m 2019-05-17T22:34:31.67
IV.COR1.EHE. ML:1.4 0.000052262095 0.5248 AML other m 2019-05-17T22:34:31.59
IV.MNTT.EHN. ML:1.8 0.00015453990699999999 0.32 AML other m 2019-05-17T22:34:32.12
IV.EL6.EHE. ML:1.4 0.000052728330000000003 0.2048 AML other m 2019-05-17T22:34:32.40
IV.COR1.EHN. ML:1.4 0.000048623315 0.4352 AML other m 2019-05-17T22:34:33.80
IV.COR1.HNN. ML:3.2 0.0028672285 0.896 AML other m 2019-05-17T22:34:34.02
IV.MNTT.EHE. ML:1.9 0.0001665452 0.3584 AML other m 2019-05-17T22:34:34.53
IV.CSP1.EHN. ML:1.5 0.00005580222 0.2816 AML other m 2019-05-17T22:34:35.27
IV.MF5.EHE. ML:1.6 0.00007702727 0.1792 AML other m 2019-05-17T22:34:35.28
IV.CSP1.EHE. ML:1.4 0.000047412750000000004 0.256 AML other m 2019-05-17T22:34:37.40
IV.MF5.EHN. ML:1.7 0.000086551065 0.448 AML other m 2019-05-17T22:34:37.95
IV.CESI.HHE. ML:1.4 0.000026959505000000002 0.2176 AML other m 2019-05-17T22:34:40.49
IV.CESI.HHN. ML:1.6 0.000039590735 0.2432 AML other m 2019-05-17T22:34:40.92
IV.NRCA.HHN. ML:2.0 0.000093065975 0.1408 AML other m 2019-05-17T22:34:41.29
IV.NRCA.HHE. ML:2.0 0.00011213719999999999 0.1664 AML other m 2019-05-17T22:34:41.27
IV.CESI.HNN. ML:2.4 0.00028356795000000003 0.3712 AML other m 2019-05-17T22:34:55.16
IV.NRCA.HNN. ML:2.3 0.00021469025 0.9728 AML other m 2019-05-17T22:34:57.05
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