Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 16-03-2019 and time 04:03:18 (Italy) in region 6 km SW Sassoferrato (AN)

A magnitude ML 0.4 earthquake occured in region: 6 km SW Sassoferrato (AN), on

  • 16-03-2019 03:03:18 (UTC)
  • 16-03-2019 04:03:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3940, 12.8230 at 14 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassoferrato AN 6 7285 7285
Fabriano AN 9 31480 38765
Sigillo PG 10 2404 41169
Costacciaro PG 10 1216 42385
Genga AN 10 1797 44182
Serra Sant'Abbondio PU 12 1027 45209
Fossato di Vico PG 12 2840 48049
Scheggia e Pascelupo PG 13 1393 49442
Frontone PU 15 1300 50742
Arcevia AN 15 4612 55354
Cerreto d'Esi AN 15 3817 59171
Serra San Quirico AN 17 2850 62021
Cantiano PU 18 2245 64266
Gualdo Tadino PG 18 15208 79474
Esanatoglia MC 19 2034 81508
Pergola PU 19 6333 87841
Mergo AN 19 1037 88878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
50 Km N of Foligno (57155 inhabitants)
53 Km SW of Fano (60888 inhabitants)
58 Km S of Pesaro (94582 inhabitants)
62 Km W of Ancona (100861 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
77 Km S of Rimini (147750 inhabitants)
94 Km N of Terni (111501 inhabitants)
95 Km SE 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 0.4 2019-03-16
03:03:18		 43.3938 12.8232 14 2019-08-22
08:25:00		 Bollettino Sismico Italiano INGV 69251191
Reviewed
Rev100 		ML 0.4 2019-03-16
03:03:18		 43.3923 12.8157 11 2019-03-16
03:17:39		 Sala Sismica INGV-Roma 66576201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-16 03:03:18 ± 0.05
Latitude 43.3938 ± 0.0027
Longitude 12.8232 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69251191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 69251191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-06 08:41:26

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 66576201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-16 03:17:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2019-03-16T03:04:00.29 3.0 undecidable manual Sn -2.04 0
IV.SEI.HHZ. 2019-03-16T03:03:47.56 3.0 undecidable manual Sg 0.29 0
IV.CIMA.HNZ. 2019-03-16T03:03:34.33 3.0 negative manual Pg 4.42 0
IV.FDMO.HHZ. 2019-03-16T03:03:33.01 0.6 undecidable manual S 152 45.0216 95 0.23 45
IV.NARO.HHZ. 2019-03-16T03:03:29.22 0.3 undecidable manual S 321 30.9468 99 0.16 71
IV.MML1.EHE. 2019-03-16T03:03:29.97 0.3 undecidable manual S 159 33.3444 98 0.3 68
IV.ATCC.EHZ. 2019-03-16T03:03:28.25 0.3 undecidable manual S 213 27.4503 101 0.12 71
IV.MURB.HHZ. 2019-03-16T03:03:28.74 0.6 undecidable manual S 239 28.1496 100 0.44 44
IV.PIEI.HHZ. 2019-03-16T03:03:28.08 0.3 undecidable manual S 304 28.0497 100 -0.2 70
IV.FDMO.HHZ. 2019-03-16T03:03:26.51 0.1 undecidable manual P 152 45.0216 95 -0.14 93
IV.ARVD.HHZ. 2019-03-16T03:03:25.01 0.6 undecidable manual S 39 14.9739 119 0.04 50
IV.FRON.EHZ. 2019-03-16T03:03:25.11 0.6 undecidable manual S 330 15.873 117 -0.06 49
IV.SNTG.HHZ. 2019-03-16T03:03:25.68 0.6 undecidable manual S 148 18.0708 112 -0.03 50
IV.MML1.EHE. 2019-03-16T03:03:24.64 0.1 undecidable manual P 159 33.3444 98 -0.21 93
IV.FOSV.EHZ. 2019-03-16T03:03:24.04 0.6 undecidable manual S 204 12.0768 128 -0.27 48
IV.MURB.HHZ. 2019-03-16T03:03:24.15 0.3 undecidable manual P 239 28.1496 100 0.09 72
IV.NARO.HHZ. 2019-03-16T03:03:24.47 0.1 undecidable manual P 321 30.9468 99 -0.03 97
IV.PIEI.HHZ. 2019-03-16T03:03:23.90 0.1 undecidable manual P 304 28.0497 100 -0.15 95
IV.SSFR.HHN. 2019-03-16T03:03:23.31 0.6 undecidable manual S 325 5.7942 152 0.09 50
IV.ATCC.EHZ. 2019-03-16T03:03:23.90 0.1 undecidable manual P 213 27.4503 101 -0.06 97
IV.SNTG.HHZ. 2019-03-16T03:03:22.50 0.1 undecidable manual P 148 18.0708 112 -0.07 98
IV.ARVD.HHZ. 2019-03-16T03:03:22.28 0.1 undecidable manual P 39 14.9739 119 0.14 97
IV.FRON.EHZ. 2019-03-16T03:03:22.28 0.1 undecidable manual P 330 15.873 117 0.03 99
IV.FOSV.EHZ. 2019-03-16T03:03:21.65 0.1 undecidable manual P 204 12.0768 128 -0.11 98
IV.SSFR.HHN. 2019-03-16T03:03:21.22 0.1 undecidable manual P 325 5.7942 152 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.6 0.000039074159999999997 0.08 AML other m 2019-03-16T03:03:24.16
IV.FOSV.EHN. ML:0.6 0.000041722555 0.12 AML other m 2019-03-16T03:03:24.23
IV.ARVD.HHN. ML:0.3 0.000015072925 0.16 AML other m 2019-03-16T03:03:25.29
IV.ARVD.HHE. ML:0.4 0.0000223015 0.08 AML other m 2019-03-16T03:03:25.42
IV.SNTG.HHN. ML:0.1 0.0000093882215 0.0992 AML other m 2019-03-16T03:03:25.89
IV.SNTG.HHE. ML:0.1 0.000008916625550000001 0.1984 AML other m 2019-03-16T03:03:27.84
IV.PIEI.HHN. ML:0.3 0.000008114255 0.08 AML other m 2019-03-16T03:03:28.55
IV.PIEI.HHE. ML:0.3 0.000011167945 0.1408 AML other m 2019-03-16T03:03:28.80
IV.SNTG.HNE. ML:1.1 0.00010134167 0.5904 AML other m 2019-03-16T03:03:30.30
IV.SNTG.HNN. ML:1.4 0.000191427 0.8608 AML other m 2019-03-16T03:03:33.57
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