Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 15-10-2019 and time 06:41:54 (Italy) in region 3 km NW Ussita (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km NW Ussita (MC), on

  • 15-10-2019 04:41:54 (UTC)
  • 15-10-2019 06:41:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9730, 13.1260 at 10 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
Ussita MC 3 444 444
Visso MC 6 1107 1551
Acquacanina MC 8 121 1672
Fiastra MC 8 559 2231
Fiordimonte MC 8 202 2433
Bolognola MC 9 142 2575
Castelsantangelo sul Nera MC 9 281 2856
Pieve Torina MC 10 1458 4314
Monte Cavallo MC 10 145 4459
Pievebovigliana MC 11 866 5325
Preci PG 13 724 6049
Muccia MC 14 915 6964
Sarnano MC 16 3264 10228
Montefortino FM 18 1178 11406
Serravalle di Chienti MC 18 1070 12476
Montemonaco AP 18 604 13080
Sellano PG 19 1079 14159
Camerino MC 19 6974 21133
Cessapalombo MC 19 512 21645
Amandola FM 19 3629 25274

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 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 0.5 2019-10-15
04:41:54		 42.9733 13.1263 10 2020-02-28
16:41:57		 Bollettino Sismico Italiano INGV 73372381
Reviewed
Rev100 		ML 0.5 2019-10-15
04:41:54		 42.9733 13.1198 9 2019-10-15
04:51:47		 Sala Sismica INGV-Roma 73261891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 04:41:54 ± 0.06
Latitude 42.9733 ± 0.0027
Longitude 13.1263 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73372381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 133
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 21
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) 0.54139
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 73372381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-21 10:22:57

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 73261891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 04:51:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2019-10-15T04:43:30.87 3.0 undecidable manual Pg 19.360001 0
IV.MPG.HHZ. 2019-10-15T04:43:12.22 3.0 undecidable manual Pg 14.93 0
IV.ZONE.HHZ. 2019-10-15T04:43:10.61 3.0 undecidable manual Sn -6.51 0
IV.VULT.HHZ. 2019-10-15T04:43:07.67 3.0 undecidable manual Sn 2.9 0
GU.RSP.HHZ. 2019-10-15T04:43:01.94 3.0 negative manual Pg 8.24 0
MN.BLY.HHZ. 2019-10-15T04:42:49.27 3.0 positive manual Pg 9.04 0
MN.TRI.HHZ. 2019-10-15T04:42:48.42 3.0 undecidable manual Sn -9.99 0
IV.ORI.HHZ. 2019-10-15T04:42:45.23 3.0 positive manual Pn -0.42 0
IV.FIU.EHZ. 2019-10-15T04:42:40.52 3.0 undecidable manual Sg -0.84 0
IV.MNTV.HNZ. 2019-10-15T04:42:29.48 3.0 undecidable manual Pg 2.44 0
IV.FIR.HHZ. 2019-10-15T04:42:29.00 3.0 undecidable manual Sg 0.03 0
IV.FIU.EHZ. 2019-10-15T04:42:21.06 3.0 positive manual Pg 3.53 0
GU.GSCL.HHZ. 2019-10-15T04:42:20.41 3.0 undecidable manual Pg 0.01 0
IV.IMOL.EHZ. 2019-10-15T04:42:12.46 3.0 positive manual Pg -0.57 0
IV.RMP.HHZ. 2019-10-15T04:42:05.22 3.0 positive manual P -2.36 0
IV.ARVD.HHZ. 2019-10-15T04:42:04.93 0.1 undecidable manual P 346 60.0954 50 -0.04 92
IV.SNTG.HHE. 2019-10-15T04:42:01.35 0.6 undecidable manual P 334 34.6431 50 0.3 46
IV.MNTT.EHZ. 2019-10-15T04:42:01.97 0.6 undecidable manual P 75 39.3273 50 0.2 46
IV.PF6.EHN. 2019-10-15T04:42:01.37 0.3 undecidable manual S 17 19.0698 117 -0.21 72
IV.MMO1.EHZ. 2019-10-15T04:42:01.14 0.3 undecidable manual S 117 18.2706 118 -0.19 72
IV.CESI.HHE. 2019-10-15T04:42:01.34 0.6 undecidable manual S 281 18.3705 118 -0.02 50
IV.MTL1.HNN. 2019-10-15T04:42:00.60 1.0 undecidable manual P 343 32.8449 50 -0.17 24
IV.CSP1.EHZ. 2019-10-15T04:42:00.23 0.3 undecidable manual S 26 14.5743 124 -0.02 75
IV.NRCA.HHZ. 2019-10-15T04:42:00.23 0.6 undecidable manual S 184 15.5733 122 -0.3 47
IT.MTCL.HGZ. 2019-10-15T04:41:59.09 0.6 undecidable manual S 282 10.5783 133 -0.06 50
IV.FDMO.HHZ. 2019-10-15T04:41:58.58 0.3 undecidable manual S 336 7.6812 142 0.1 75
IV.MC2.EHZ. 2019-10-15T04:41:58.94 0.3 undecidable manual S 143 8.5803 139 0.27 72
IV.PF6.EHN. 2019-10-15T04:41:58.45 0.1 undecidable manual P 17 19.0698 117 0.01 100
IV.MMO1.EHZ. 2019-10-15T04:41:58.20 0.3 undecidable manual P 117 18.2706 118 -0.09 74
IV.CESI.HHE. 2019-10-15T04:41:58.13 0.1 undecidable manual P 281 18.3705 118 -0.17 97
IV.NRCA.HHZ. 2019-10-15T04:41:57.71 0.1 undecidable manual P 184 15.5733 122 -0.12 98
IV.CSP1.EHZ. 2019-10-15T04:41:57.56 0.6 undecidable manual P 26 14.5743 124 -0.11 49
IV.MC2.EHZ. 2019-10-15T04:41:56.95 0.1 undecidable manual P 143 8.5803 139 0.19 98
IV.FEMA.HNE. 2019-10-15T04:41:56.70 0.1 undecidable manual P 259 6.3936 147 0.21 98
IV.FDMO.HHZ. 2019-10-15T04:41:56.76 0.1 undecidable manual P 336 7.6812 142 0.12 99
IT.MTCL.HGZ. 2019-10-15T04:41:56.96 0.1 undecidable manual P 282 10.5783 133 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.4 0.00003335 0.18 AML other m 2019-10-15T04:41:58.80
IV.FDMO.HHE. ML:0.3 0.000030550000000000004 1.24 AML other m 2019-10-15T04:41:59.11
IV.ARVD.HHE. ML:0.9 0.000013899999999999999 0.44 AML other m 2019-10-15T04:41:59.10
IV.NRCA.HHE. ML:0.5 0.00002815 1.08 AML other m 2019-10-15T04:42:00.38
IV.NRCA.HHN. ML:0.5 0.000029999999999999997 0.12 AML other m 2019-10-15T04:42:01.27
IV.ARVD.HHN. ML:0.7 0.000011730000000000001 0.46 AML other m 2019-10-15T04:42:23.34
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