Earthquake with magnitude of ML 0.4 on date 29-04-2018 and time 08:02:46 (Italy) in region 4 km E Ussita (MC)

A magnitude ML 0.4 earthquake occured in region: 4 km E Ussita (MC), on

  • 29-04-2018 06:02:46 (UTC)
  • 29-04-2018 08:02:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 13.1920 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 4 444 444
Castelsantangelo sul Nera MC 6 281 725
Bolognola MC 6 142 867
Visso MC 8 1107 1974
Acquacanina MC 10 121 2095
Fiastra MC 11 559 2654
Montemonaco AP 12 604 3258
Montefortino FM 12 1178 4436
Fiordimonte MC 13 202 4638
Sarnano MC 14 3264 7902
Amandola FM 14 3629 11531
Preci PG 14 724 12255
Pievebovigliana MC 16 866 13121
Pieve Torina MC 16 1458 14579
Montegallo AP 16 523 15102
Monte Cavallo MC 16 145 15247
Comunanza AP 18 3166 18413
Gualdo MC 18 815 19228
Norcia PG 19 4957 24185
Cessapalombo MC 19 512 24697
Muccia MC 20 915 25612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
62 Km NE of Terni (111501 inhabitants)
68 Km E of Perugia (166134 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
99 Km NW of Pescara (121014 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 0.4 2018-04-29
06:02:46
42.9437 13.1917 4 2018-04-29
06:09:57
Sala Sismica INGV-Roma 56234671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-29 06:02:46 ± 0.35
Latitude 42.9437 ± 0.0090
Longitude 13.1917 ± 0.0258
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 56234671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2060
Semi-minor axis of confidence ellipse (meter) 979
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 2060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26530
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 56234671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-04-29 06:09:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IST3.HHZ. 2018-04-29T06:03:37.27 3.0 undecidable manual Pg 24.49 0
IV.IACL.HHZ. 2018-04-29T06:03:28.47 3.0 undecidable manual Pg 16.870001 0
IV.CRAC.EHZ. 2018-04-29T06:03:18.76 3.0 negative manual Pg 15.74 0
IV.CET2.HHZ. 2018-04-29T06:03:11.20 3.0 undecidable manual Pn 2.48 0
IV.IVPL.HHZ. 2018-04-29T06:03:10.35 3.0 undecidable manual Pn -6.19 0
IV.SAMA.HHZ. 2018-04-29T06:03:09.56 3.0 undecidable manual Sn -0.71 0
CR.STON.BHZ. 2018-04-29T06:03:00.40 3.0 undecidable manual Pn 6.78 0
IV.T1221.EHZ. 2018-04-29T06:02:52.57 0.6 undecidable manual P 252 29.4483 98 0.05 48
IV.CESI.HHZ. 2018-04-29T06:02:51.16 0.3 undecidable manual P 286 24.2535 100 -0.33 68
IV.NRCA.HHZ. 2018-04-29T06:02:51.87 0.6 undecidable manual S 207 13.7751 107 0.32 46
IV.T1220.EHZ. 2018-04-29T06:02:51.14 0.3 undecidable manual P 336 20.2686 102 0.44 67
IV.NRCA.HHZ. 2018-04-29T06:02:49.34 0.1 undecidable manual P 207 13.7751 107 -0.1 97
IV.CSP1.EHZ. 2018-04-29T06:02:49.83 0.3 undecidable manual P 4 16.4724 105 -0.13 72
IV.FDMO.HHZ. 2018-04-29T06:02:49.41 3.0 undecidable manual Sn -1.97 0
IV.MC2.EHZ. 2018-04-29T06:02:48.47 0.1 undecidable manual S 184 3.5964 140 -0.02 100
IV.MC2.EHZ. 2018-04-29T06:02:47.65 0.1 undecidable manual P 184 3.5964 140 -0.02 100
IV.NARO.HHZ. 2018-04-29T06:02:39.72 3.0 undecidable manual Sg 4.37 0
IV.PE3.EHZ. 2018-04-29T06:02:02.26 3.0 negative manual Pn -0.2 0
IV.MAGA.HHZ. 2018-04-29T06:01:40.42 3.0 undecidable manual P -0.77 0
IV.RAVA.EHZ. 2018-04-29T06:01:39.27 3.0 negative manual P -2.81 0
IV.SARZ.HHZ. 2018-04-29T06:01:38.53 3.0 negative manual P -1.46 0
IV.ZONE.HHZ. 2018-04-29T06:01:36.96 3.0 negative manual P -1.5 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000013405 0.4 AML other m 2018-04-29T06:02:25.57
IV.CSP1.EHE. ML:0.2 0.0000142 0.42 AML other m 2018-04-29T06:02:31.24
IV.NRCA.HHN. ML:0.6 0.00005695 0.1 AML other m 2018-04-29T06:02:53.05
IV.CSP1.EHN. ML:0.2 0.00001285 0.42 AML other m 2018-04-29T06:02:53.35
IV.NRCA.HHE. ML:0.7 0.00006214999999999999 0.12 AML other m 2018-04-29T06:02:53.47
IV.CESI.HHN. ML:0.5 0.00001755 1.86 AML other m 2018-04-29T06:02:55.96
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