Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-10-2018 and time 18:41:43 (Italy) in region 5 km E Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 5 km E Castelsantangelo sul Nera (MC), on

  • 25-10-2018 16:41:43 (UTC)
  • 25-10-2018 18:41:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9100, 13.2180 at 58 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
Castelsantangelo sul Nera MC 6 281 281
Ussita MC 8 444 725
Montemonaco AP 9 604 1329
Bolognola MC 10 142 1471
Visso MC 11 1107 2578
Montefortino FM 11 1178 3756
Montegallo AP 12 523 4279
Amandola FM 14 3629 7908
Acquacanina MC 14 121 8029
Preci PG 15 724 8753
Fiastra MC 15 559 9312
Sarnano MC 16 3264 12576
Norcia PG 17 4957 17533
Arquata del Tronto AP 17 1178 18711
Comunanza AP 17 3166 21877
Fiordimonte MC 18 202 22079
Palmiano AP 20 196 22275
Monte Cavallo MC 20 145 22420

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 2.0 2018-10-25
16:41:43		 42.9097 13.2185 58 2019-06-04
09:16:18		 Bollettino Sismico Italiano INGV 68841941
Reviewed
Rev100 		ML 2.0 2018-10-25
16:41:43		 42.8972 13.2218 58 2018-10-25
16:54:20		 Sala Sismica INGV-Roma 62308081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-25 16:41:43 ± 0.13
Latitude 42.9097 ± 0.0063
Longitude 13.2185 ± 0.0123
Depth (km) 58 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68841941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 961
Semi-minor axis of confidence ellipse (meter) 399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52520
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 68841941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-24 08:21:34

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 62308081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-25 16:54:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILLI.HHZ. 2018-10-25T16:43:40.82 3.0 undecidable manual Sn -3.52 0
IV.EUCT.HNZ. 2018-10-25T16:43:39.13 3.0 undecidable manual Sg 16.219999 0
IV.IMI.HHZ. 2018-10-25T16:43:36.29 3.0 undecidable manual Sn 6.46 0
IV.SPS2.HHZ. 2018-10-25T16:43:34.79 3.0 undecidable manual Sn -1.22 0
CR.STON.BHZ. 2018-10-25T16:43:33.38 3.0 undecidable manual Sg 22.629999 0
IV.MBAL.EHZ. 2018-10-25T16:43:30.21 3.0 undecidable manual Sg 18.98 0
IV.MABI.HHZ. 2018-10-25T16:43:16.77 3.0 undecidable manual Sn -4.98 0
IV.SALB.HHZ. 2018-10-25T16:42:50.74 3.0 undecidable manual Pg 10.38 0
IV.VITU.HHZ. 2018-10-25T16:42:49.00 3.0 undecidable manual Sg 8.85 0
SL.KOGS.BHZ. 2018-10-25T16:42:46.47 3.0 undecidable manual Pn 1.77 0
IV.SGRT.HHZ. 2018-10-25T16:42:43.49 3.0 undecidable manual Sn -0.74 0
IV.ZONE.HHZ. 2018-10-25T16:42:40.72 3.0 negative manual Pn 2.74 0
GU.GRAM.HHZ. 2018-10-25T16:42:36.98 3.0 undecidable manual Pg 10.37 0
IV.GATE.HHZ. 2018-10-25T16:42:34.94 3.0 undecidable manual Sn -1.65 0
IV.CIGN.HHZ. 2018-10-25T16:42:20.81 3.0 undecidable manual Pg 8.67 0
IV.CPGN.EHZ. 2018-10-25T16:42:16.70 3.0 undecidable manual Sn -2.5 0
IV.LIK.EHZ.01 2018-10-25T16:42:14.34 3.0 undecidable manual Pg 6.56 0
IV.PIEI.HHZ. 2018-10-25T16:42:12.81 3.0 undecidable manual Sg 0.67 0
IV.TERO.HHZ. 2018-10-25T16:42:03.16 0.6 undecidable manual S 135 44.7219 134 0.09 46
IV.CAMP.HHZ. 2018-10-25T16:42:03.09 0.6 undecidable manual S 159 44.3223 135 0.08 46
IV.RM33.EHZ. 2018-10-25T16:42:03.11 0.6 undecidable manual S 180 44.4222 135 0.07 46
IV.LNSS.HHZ. 2018-10-25T16:42:02.31 0.6 undecidable manual S 203 37.0296 141 0.36 44
IV.CERT.HHZ. 2018-10-25T16:42:01.67 3.0 negative manual Pn -0.21 0
IV.MML1.HNE. 2018-10-25T16:42:01.55 0.6 undecidable manual S 319 30.2475 147 0.47 44
IV.T1299.EHE. 2018-10-25T16:42:01.10 0.3 undecidable manual S 170 30.9468 146 -0.08 71
IV.SMA1.EHZ. 2018-10-25T16:42:01.25 0.6 undecidable manual S 163 32.3454 145 -0.1 47
IV.CESI.HHZ. 2018-10-25T16:42:01.13 0.3 undecidable manual S 293 27.5502 149 0.34 68
IV.MF5.EHZ. 2018-10-25T16:42:00.77 0.6 undecidable manual S 66 21.4674 156 0.6 42
IV.CSP1.EHZ. 2018-10-25T16:42:00.33 0.3 undecidable manual S 357 20.2686 157 0.26 70
IV.PF6.EHE. 2018-10-25T16:42:00.44 0.3 undecidable manual S 356 25.3524 151 -0.11 71
IV.PIEI.HHZ. 2018-10-25T16:42:00.06 3.0 positive manual Pn 0.21 0
IV.GUMA.HNN. 2018-10-25T16:42:00.48 0.6 undecidable manual S 29 19.4694 158 0.48 44
IV.MGAB.HHZ. 2018-10-25T16:41:59.72 3.0 negative manual Pn -0.43 0
IV.MMO1.EHZ. 2018-10-25T16:41:59.04 0.3 undecidable manual S 97 8.88 170 -0.32 71
IV.MTRA.EHZ. 2018-10-25T16:41:59.91 0.6 undecidable manual S 139 22.2555 155 -0.34 46
IV.MC2.EHZ. 2018-10-25T16:41:59.36 0.3 undecidable manual S 275 2.3976 177 0.16 73
IV.NRCA.HHZ. 2018-10-25T16:41:59.08 0.3 undecidable manual S 225 11.9769 166 -0.42 68
IV.FDMO.HHZ. 2018-10-25T16:41:59.76 0.3 undecidable manual S 323 17.6712 160 -0.1 72
IV.GIGS.HHZ. 2018-10-25T16:41:56.72 0.3 undecidable manual P 150 58.2972 125 0.44 63
IV.TERO.HHZ. 2018-10-25T16:41:55.01 0.1 undecidable manual P 135 44.7219 134 0.04 93
IV.RM33.EHZ. 2018-10-25T16:41:55.12 0.1 undecidable manual P 180 44.4222 135 0.17 91
IV.EL6.EHZ. 2018-10-25T16:41:55.44 0.3 undecidable manual P 349 47.5191 132 0.21 67
IV.LNSS.HHZ. 2018-10-25T16:41:54.59 0.1 undecidable manual P 203 37.0296 141 0.26 90
IV.CAMP.HHZ. 2018-10-25T16:41:54.91 0.1 undecidable manual P 159 44.3223 135 -0.03 93
IV.SNTG.HHZ. 2018-10-25T16:41:54.89 0.3 undecidable manual P 330 44.4222 135 -0.06 69
IV.PF6.EHE. 2018-10-25T16:41:53.31 0.3 undecidable manual P 356 25.3524 151 -0.21 70
IV.SMA1.EHZ. 2018-10-25T16:41:53.85 0.1 undecidable manual P 163 32.3454 145 -0.13 93
IV.CESI.HHZ. 2018-10-25T16:41:53.48 0.1 undecidable manual P 293 27.5502 149 -0.18 93
IV.GUMA.HNN. 2018-10-25T16:41:53.40 0.3 undecidable manual P 29 19.4694 158 0.2 71
IV.MF5.EHZ. 2018-10-25T16:41:53.49 0.1 positive manual P 66 21.4674 156 0.19 94
IV.MML1.HNE. 2018-10-25T16:41:53.74 0.1 undecidable manual P 319 30.2475 147 -0.09 94
IV.MTRA.EHZ. 2018-10-25T16:41:53.07 0.1 undecidable manual P 139 22.2555 155 -0.28 92
IV.T1299.EHE. 2018-10-25T16:41:53.86 0.1 undecidable manual P 170 30.9468 146 -0.02 96
IV.CSP1.EHZ. 2018-10-25T16:41:53.22 0.6 undecidable manual P 357 20.2686 157 -0.02 49
IV.NRCA.HHZ. 2018-10-25T16:41:52.73 0.1 positive manual P 225 11.9769 166 -0.18 95
IV.FDMO.HHZ. 2018-10-25T16:41:52.81 0.1 undecidable manual P 323 17.6712 160 -0.31 92
IV.MMO1.EHZ. 2018-10-25T16:41:52.49 0.1 positive manual P 97 8.88 170 -0.34 93
IV.MC2.EHZ. 2018-10-25T16:41:52.70 0.1 positive manual P 275 2.3976 177 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.4 0.0005370764500000001 0.1408 AML other m 2018-10-25T16:41:59.20
IV.NRCA.HNN. ML:2.4 0.0004755018 0.128 AML other m 2018-10-25T16:41:59.21
IV.NRCA.HHE. ML:2.4 0.0005511827 0.1792 AML other m 2018-10-25T16:41:59.21
IV.NRCA.HNE. ML:2.4 0.00056171185 0.1664 AML other m 2018-10-25T16:41:59.21
IV.FDMO.HHE. ML:2.1 0.0002420044 0.2048 AML other m 2018-10-25T16:41:59.97
IV.FDMO.HHN. ML:2.0 0.0002352686 0.1792 AML other m 2018-10-25T16:42:00.17
IV.MTRA.EHE. ML:2.2 0.0003107277 0.1536 AML other m 2018-10-25T16:42:00.39
IV.MTRA.HNE. ML:2.2 0.00029894879499999997 0.1664 AML other m 2018-10-25T16:42:00.39
IV.MTRA.EHN. ML:2.2 0.00034607489999999996 0.3072 AML other m 2018-10-25T16:42:00.61
IV.MTRA.HNN. ML:2.2 0.00034207285 0.3072 AML other m 2018-10-25T16:42:00.62
IV.MF5.EHN. ML:1.9 0.000157627555 0.1792 AML other m 2018-10-25T16:42:00.91
IV.CESI.HHN. ML:2.2 0.00029551575 0.2944 AML other m 2018-10-25T16:42:01.50
IV.CESI.HHE. ML:2.0 0.00017641869999999999 0.2432 AML other m 2018-10-25T16:42:02.59
IV.SMA1.EHN. ML:2.0 0.00017380614999999998 0.128 AML other m 2018-10-25T16:42:02.84
IV.LNSS.HHE. ML:2.2 0.00029183065000000003 0.32 AML other m 2018-10-25T16:42:03.06
IV.SMA1.EHE. ML:2.0 0.00018652845 0.2048 AML other m 2018-10-25T16:42:03.21
IV.RM33.EHN. ML:2.0 0.00016701315 0.256 AML other m 2018-10-25T16:42:03.47
IV.TERO.HHN. ML:1.9 0.0001196062 0.1792 AML other m 2018-10-25T16:42:03.46
IV.TERO.HHE. ML:1.9 0.000123458615 0.3328 AML other m 2018-10-25T16:42:03.48
IV.CAMP.HHN. ML:2.0 0.00016478950000000002 0.4224 AML other m 2018-10-25T16:42:03.52
IV.CAMP.HHE. ML:2.1 0.00018362105 0.384 AML other m 2018-10-25T16:42:03.42
IV.RM33.EHE. ML:2.0 0.00014801329999999997 0.2048 AML other m 2018-10-25T16:42:03.80
IV.EL6.EHE. ML:1.8 0.00010913802 0.1792 AML other m 2018-10-25T16:42:04.81
IV.EL6.EHN. ML:2.0 0.00015737825 0.384 AML other m 2018-10-25T16:42:05.34
IV.GIGS.HHE. ML:1.2 0.000020104895 1.7568 AML other m 2018-10-25T16:42:05.90
IV.ARVD.HHE. ML:1.3 0.000025917805 0.1792 AML other m 2018-10-25T16:42:08.65
IV.MGAB.HHN. ML:1.6 0.00003522925 0.2048 AML other m 2018-10-25T16:42:12.19
IV.MGAB.HHE. ML:1.5 0.000028883869999999998 0.1664 AML other m 2018-10-25T16:42:12.56
IV.PIEI.HHE. ML:1.4 0.000023726305 0.1792 AML other m 2018-10-25T16:42:13.09
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
Waveforms Seismic signals in miniseed + resp format Download