Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-11-2018 and time 04:27:44 (Italy) in region 3 km NW Ussita (MC)

A magnitude ML 2.1 earthquake occured in region: 3 km NW Ussita (MC), on

  • 21-11-2018 03:27:44 (UTC)
  • 21-11-2018 04:27:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9700, 13.1240 at 9 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 5 1107 1551
Fiastra MC 8 559 2110
Acquacanina MC 8 121 2231
Fiordimonte MC 8 202 2433
Castelsantangelo sul Nera MC 9 281 2714
Bolognola MC 9 142 2856
Monte Cavallo MC 10 145 3001
Pieve Torina MC 10 1458 4459
Pievebovigliana MC 11 866 5325
Preci PG 12 724 6049
Muccia MC 14 915 6964
Sarnano MC 16 3264 10228
Serravalle di Chienti MC 18 1070 11298
Montefortino FM 18 1178 12476
Montemonaco AP 18 604 13080
Sellano PG 18 1079 14159
Amandola FM 19 3629 17788
Camerino MC 19 6974 24762
Cessapalombo MC 19 512 25274
Norcia PG 20 4957 30231

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)
72 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
98 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 2.1 2018-11-21
03:27:44		 42.9698 13.1238 9 2019-06-04
09:16:11		 Bollettino Sismico Italiano INGV 66897201
Reviewed
Rev100 		ML 2.2 2018-11-21
03:27:44		 42.967 13.1242 9 2018-11-21
03:34:16		 Sala Sismica INGV-Roma 63245881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-21 03:27:44 ± 0.04
Latitude 42.9698 ± 0.0018
Longitude 13.1238 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66897201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 127
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) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 70
Number of defining phases 53
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) 0.85705
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 66897201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-25 09:17:51

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 63245881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-21 03:34:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2018-11-21T03:28:38.75 3.0 undecidable manual Pg 15.25 0
IV.PAOL.HHZ. 2018-11-21T03:28:21.29 3.0 undecidable manual Pn 2.06 0
IV.CESX.HHZ. 2018-11-21T03:28:03.90 0.6 undecidable manual S 228 59.2962 50 0.36 43
IV.CAMP.HHZ. 2018-11-21T03:28:02.04 0.3 undecidable manual S 154 53.502 50 0.06 69
IV.TERO.HHZ. 2018-11-21T03:28:02.70 0.3 undecidable manual S 134 54.9006 50 0.35 65
IV.PE3.EHZ. 2018-11-21T03:28:01.32 0.6 undecidable manual P 328 95.1381 50 0.21 41
IV.RM33.EHZ. 2018-11-21T03:28:01.93 0.6 undecidable manual S 172 51.7038 50 0.43 43
IV.FOSV.EHZ. 2018-11-21T03:28:00.65 0.3 undecidable manual S 321 46.5201 50 0.53 63
IV.MOMA.HHZ. 2018-11-21T03:28:00.96 0.6 undecidable manual S 248 48.618 50 0.27 45
IV.CING.HNZ. 2018-11-21T03:28:00.06 0.6 undecidable manual S 7 45.4212 50 0.24 45
IV.LNSS.HHZ. 2018-11-21T03:27:59.16 0.6 undecidable manual S 190 41.3253 50 0.43 44
IV.SMA1.EHZ. 2018-11-21T03:27:58.78 0.6 undecidable manual S 155 41.4252 50 0.02 48
IV.T1299.HNN. 2018-11-21T03:27:58.60 0.6 undecidable manual S 161 39.4272 50 0.37 44
IV.EL6.EHZ. 2018-11-21T03:27:58.45 0.3 undecidable manual S 357 39.9267 50 0.09 71
IV.PIEI.HHZ. 2018-11-21T03:27:58.56 0.3 undecidable manual P 323 78.7656 50 -0.03 67
IV.GAVE.EHZ. 2018-11-21T03:27:57.51 3.0 undecidable manual S 0.17 0
IV.SNTG.HHE. 2018-11-21T03:27:57.01 0.6 undecidable manual S 335 34.9428 50 -0.02 48
IV.MTRA.HNZ. 2018-11-21T03:27:56.04 0.3 undecidable manual S 137 32.4453 50 -0.32 68
IV.MNTP.HNZ. 2018-11-21T03:27:56.98 0.6 undecidable manual S 56 33.6441 50 0.3 46
IV.CESX.HHZ. 2018-11-21T03:27:55.51 0.1 undecidable manual P 228 59.2962 50 -0.08 91
IV.GAG1.HNE. 2018-11-21T03:27:55.67 0.6 undecidable manual S 351 30.0477 106 0.06 48
IV.SSM1.HNE. 2018-11-21T03:27:55.35 0.6 undecidable manual S 9 29.0487 107 0.09 48
IV.ATSC.EHE. 2018-11-21T03:27:55.90 0.3 undecidable manual P 325 61.5939 50 -0.04 69
IV.SSFR.HHN. 2018-11-21T03:27:55.45 0.3 undecidable manual P 332 58.5969 50 -0.04 69
IV.MF5.EHZ. 2018-11-21T03:27:55.19 0.6 undecidable manual S 86 27.3504 108 0.5 44
IV.RM33.EHZ. 2018-11-21T03:27:54.16 3.0 negative manual Pn 172 51.7038 50 -0.25 89
IV.CAMP.HHZ. 2018-11-21T03:27:54.33 0.1 undecidable manual P 154 53.502 50 -0.36 87
IV.TERO.HHZ. 2018-11-21T03:27:54.68 0.1 undecidable manual P 134 54.9006 50 -0.23 89
IV.MOMA.HHZ. 2018-11-21T03:27:53.90 0.1 undecidable manual P 248 48.618 50 -0.05 94
IV.MDAR.HNN. 2018-11-21T03:27:53.54 0.6 undecidable manual S 4 24.753 109 -0.3 46
IV.CING.HNZ. 2018-11-21T03:27:53.14 0.1 undecidable manual P 7 45.4212 50 -0.3 89
IV.FOSV.EHZ. 2018-11-21T03:27:53.58 0.1 undecidable manual P 321 46.5201 50 -0.04 94
IV.EL6.EHZ. 2018-11-21T03:27:52.30 0.1 undecidable manual P 357 39.9267 50 -0.3 90
IV.LNSS.HHZ. 2018-11-21T03:27:52.53 0.1 undecidable manual P 190 41.3253 50 -0.28 90
IV.CESI.HHZ. 2018-11-21T03:27:52.14 0.3 undecidable manual S 282 18.1707 116 0.4 69
IV.SMA1.EHZ. 2018-11-21T03:27:52.51 0.1 undecidable manual P 155 41.4252 50 -0.32 89
IV.GUMA.HHZ. 2018-11-21T03:27:52.71 0.3 undecidable manual S 59 19.9689 114 0.41 68
IV.T1299.HNN. 2018-11-21T03:27:52.49 0.3 undecidable manual P 161 39.4272 50 -0.03 71
IV.MMO1.EHZ. 2018-11-21T03:27:51.65 0.6 undecidable manual S 115 18.2706 116 -0.1 49
IV.MNTP.HNZ. 2018-11-21T03:27:51.93 0.3 undecidable manual P 56 33.6441 50 0.3 68
IV.MTRA.HNZ. 2018-11-21T03:27:51.15 0.1 undecidable manual P 137 32.4453 50 -0.3 91
IV.GAG1.HNE. 2018-11-21T03:27:51.10 0.6 undecidable manual P 351 30.0477 106 0.09 48
IV.PF6.EHN. 2018-11-21T03:27:51.92 0.6 undecidable manual S 17 19.4694 114 -0.22 47
IV.GAVE.EHZ. 2018-11-21T03:27:51.93 3.0 negative manual Pg -0.11 0
IV.SNTG.HHE. 2018-11-21T03:27:51.43 0.3 undecidable manual P 335 34.9428 50 -0.41 67
IV.MF5.EHZ. 2018-11-21T03:27:50.79 3.0 positive manual Pn 86 27.3504 108 0.31 92
IV.SSM1.HNE. 2018-11-21T03:27:50.64 0.6 undecidable manual P 9 29.0487 107 -0.17 47
IV.NRCA.HNZ. 2018-11-21T03:27:50.71 0.3 undecidable manual S 183 15.1737 120 -0.09 74
IV.GUMA.HHZ. 2018-11-21T03:27:49.35 3.0 positive manual Pn 59 19.9689 114 0.25 94
IV.MDAR.HNN. 2018-11-21T03:27:49.90 0.3 undecidable manual P 4 24.753 109 -0.09 72
IV.CESI.HHZ. 2018-11-21T03:27:49.03 3.0 positive manual Pg 282 18.1707 116 0.25 95
IV.PF6.EHN. 2018-11-21T03:27:48.78 0.1 undecidable manual P 17 19.4694 114 -0.23 95
IV.FDMO.HHZ. 2018-11-21T03:27:48.54 0.3 undecidable manual S 338 7.9809 138 -0.29 72
IV.NRCA.HNZ. 2018-11-21T03:27:48.35 0.1 negative manual P 183 15.1737 120 0.11 98
IV.FEMA.HNZ. 2018-11-21T03:27:48.24 0.6 undecidable manual S 262 6.0939 145 -0.19 49
IV.MMO1.EHZ. 2018-11-21T03:27:48.75 3.0 positive manual Pn 115 18.2706 116 -0.04 99
IV.MC2.EHZ. 2018-11-21T03:27:48.91 0.6 undecidable manual S 141 8.3805 136 -0.02 50
IV.MC2.EHZ. 2018-11-21T03:27:47.22 3.0 positive manual Pn 141 8.3805 136 0.06 100
IV.FDMO.HHZ. 2018-11-21T03:27:47.01 3.0 positive manual Pn 338 7.9809 138 -0.09 99
IV.FEMA.HNZ. 2018-11-21T03:27:47.02 0.1 positive manual P 262 6.0939 145 0.16 99
ST.RONC.EHZ. 2018-11-21T03:27:22.64 3.0 undecidable manual S 3.22 0
IV.MBAL.EHZ. 2018-11-21T03:27:22.29 3.0 undecidable manual S 0.75 0
IV.MABI.HHZ. 2018-11-21T03:27:21.98 0.6 undecidable manual S 3.16 0
IV.ZCCA.HNZ. 2018-11-21T03:27:15.77 3.0 negative manual Pg -5.28 0
MN.TUE.HHZ. 2018-11-21T03:27:08.91 3.0 positive manual P -2.5 0
SI.LUSI.HHZ. 2018-11-21T03:27:08.81 3.0 negative manual P -2.94 0
IV.MBAL.EHZ. 2018-11-21T03:27:06.11 0.6 negative manual P -4.12 0
ST.RONC.EHZ. 2018-11-21T03:27:06.41 1.0 negative manual P -2.63 0
IV.MABI.HHZ. 2018-11-21T03:27:04.32 3.0 undecidable manual P -4.38 0
IV.MAGA.HHZ. 2018-11-21T03:27:03.97 0.6 undecidable manual P -4.18 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.4 0.003675 0.3 AML other m 2018-11-21T03:27:48.82
IV.FDMO.HHN. ML:2.4 0.003545 0.22 AML other m 2018-11-21T03:27:48.81
IV.FEMA.HNE. ML:2.6 0.007295 0.16 AML other m 2018-11-21T03:27:49.14
IV.FEMA.HNN. ML:2.5 0.005560000000000001 1.02 AML other m 2018-11-21T03:27:49.22
IV.NRCA.HHN. ML:2.3 0.0018700000000000001 1.56 AML other m 2018-11-21T03:27:51.01
IV.CESI.HHE. ML:2.3 0.0016150000000000001 0.22 AML other m 2018-11-21T03:27:52.34
IV.CESI.HHN. ML:2.5 0.0029300000000000003 0.2 AML other m 2018-11-21T03:27:52.37
IV.NRCA.HHE. ML:2.3 0.00182 1.06 AML other m 2018-11-21T03:27:52.18
IV.NRCA.HNE. ML:2.2 0.0016950000000000001 1.08 AML other m 2018-11-21T03:27:52.18
IV.NRCA.HNN. ML:2.2 0.00172 0.24 AML other m 2018-11-21T03:27:53.58
IV.GUMA.HHE. ML:2.4 0.00182 0.3 AML other m 2018-11-21T03:27:55.82
IV.MF5.EHE. ML:2.3 0.001165 0.4 AML other m 2018-11-21T03:27:56.00
IV.MTRA.HNN. ML:2.2 0.0007955000000000001 0.44 AML other m 2018-11-21T03:27:56.75
IV.MTRA.HNE. ML:2.2 0.0007755 0.24 AML other m 2018-11-21T03:27:57.27
IV.MTRA.EHE. ML:2.2 0.0007675000000000001 0.22 AML other m 2018-11-21T03:27:57.16
IV.MF5.EHN. ML:2.2 0.0008165 0.52 AML other m 2018-11-21T03:27:57.31
IV.MTRA.EHN. ML:2.3 0.000874 0.62 AML other m 2018-11-21T03:27:57.67
IV.GAVE.HNN. ML:2.0 0.00036199999999999996 0.94 AML other m 2018-11-21T03:27:58.62
IV.GAVE.HNE. ML:2.3 0.000861 0.26 AML other m 2018-11-21T03:27:58.44
IV.EL6.EHN. ML:2.1 0.00048650000000000006 1.2 AML other m 2018-11-21T03:27:59.97
IV.LNSS.HHE. ML:1.9 0.000249 0.12 AML other m 2018-11-21T03:28:00.04
IV.SMA1.EHE. ML:2.0 0.0003205 0.46 AML other m 2018-11-21T03:28:01.81
IV.EL6.EHE. ML:2.1 0.000483 1.6 AML other m 2018-11-21T03:28:01.87
IV.FOSV.EHE. ML:1.7 0.000161 1.56 AML other m 2018-11-21T03:28:01.21
IV.FOSV.EHN. ML:2.0 0.00029 0.32 AML other m 2018-11-21T03:28:02.34
IV.CAMP.HHE. ML:1.9 0.000207 0.22 AML other m 2018-11-21T03:28:02.46
IV.MOMA.HHE. ML:2.2 0.000393 0.2 AML other m 2018-11-21T03:28:02.86
IV.CAMP.HHN. ML:1.7 0.00013140000000000002 1.16 AML other m 2018-11-21T03:28:03.59
IV.MOMA.HHN. ML:2.0 0.000279 0.56 AML other m 2018-11-21T03:28:04.06
IV.TERO.HHN. ML:2.1 0.00029000000000000006 0.46 AML other m 2018-11-21T03:28:04.50
IV.SMA1.EHN. ML:2.0 0.000303 1.22 AML other m 2018-11-21T03:28:05.23
IV.RM33.EHE. ML:1.8 0.00016499999999999997 0.56 AML other m 2018-11-21T03:28:05.38
IV.RM33.EHN. ML:1.8 0.00016399999999999997 0.66 AML other m 2018-11-21T03:28:05.11
IV.TERO.HHE. ML:2.1 0.00027 0.32 AML other m 2018-11-21T03:28:05.46
IV.LNSS.HHN. ML:1.9 0.000263 1.24 AML other m 2018-11-21T03:28:06.83
IV.CESX.HHE. ML:1.9 0.00016999999999999999 1.32 AML other m 2018-11-21T03:28:07.11
IV.CESX.HHN. ML:1.9 0.00017999999999999998 0.76 AML other m 2018-11-21T03:28:07.60
IV.GUMA.HNE. ML:2.4 0.0018376465 0.7504 AML other m 2018-11-21T03:27:55.81
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
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Waveforms Seismic signals in miniseed + resp format Download