Earthquake with magnitude of ML 1.6 on date 21-09-2018 and time 07:52:37 (Italy) in region 5 km N Ussita (MC)

A magnitude ML 1.6 earthquake occured in region: 5 km N Ussita (MC), on

  • 21-09-2018 05:52:37 (UTC)
  • 21-09-2018 07:52:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.99, 13.13 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.

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 5 444 444
Fiastra MC 6 559 1003
Acquacanina MC 6 121 1124
Fiordimonte MC 7 202 1326
Visso MC 7 1107 2433
Bolognola MC 8 142 2575
Pieve Torina MC 9 1458 4033
Pievebovigliana MC 9 866 4899
Monte Cavallo MC 10 145 5044
Castelsantangelo sul Nera MC 10 281 5325
Muccia MC 13 915 6240
Preci PG 14 724 6964
Sarnano MC 15 3264 10228
Serravalle di Chienti MC 17 1070 11298
Camerino MC 17 6974 18272
Cessapalombo MC 17 512 18784
Montefortino FM 18 1178 19962
Amandola FM 19 3629 23591
Caldarola MC 19 1823 25414
Montemonaco AP 19 604 26018
Sellano PG 20 1079 27097
Gualdo MC 20 815 27912
Camporotondo di Fiastrone MC 20 563 28475

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
99 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
Rev 1000 ML 1.6 2018-09-21
05:52:37
42.99 13.13 9 2019-06-04
09:16:04
Bollettino Sismico Italiano INGV 64472981
Rev 100 ML 1.6 2018-09-21
05:52:37
42.99 13.1 8 2018-09-21
06:00:13
Sala Sismica INGV-Roma 61170351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-21 05:52:37 ± 0.05
Latitude 42.99 ± 0.00
Longitude 13.13 ± 0.00
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 64472981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 340
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.49553
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 64472981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-03 10:39:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 61170351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-21 06:00:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2018-09-21T05:52:55.62 0.6 undecidable manual S 155 0.4955 50 0.31 43
IV.MOMA.HHZ. 2018-09-21T05:52:53.72 0.3 undecidable manual S 246 0.447 50 -0.16 68
IV.FOSV.EHZ. 2018-09-21T05:52:53.17 0.3 undecidable manual S 319 0.4083 50 0.45 64
IV.LNSS.HHZ. 2018-09-21T05:52:52.46 0.6 undecidable manual S 190 0.3885 50 0.31 44
IV.EL6.EHZ. 2018-09-21T05:52:50.97 0.6 undecidable manual S 357 0.3435 50 0.17 46
IV.ASSB.HHZ. 2018-09-21T05:52:50.57 0.6 undecidable manual S 279 0.3471 50 -0.35 44
IV.MF5.EHZ. 2018-09-21T05:52:47.73 0.6 undecidable manual S 90 0.2428 108 0.24 46
IV.MOMA.HHZ. 2018-09-21T05:52:47.33 0.6 undecidable manual P 246 0.447 50 0.31 44
IV.CAMP.HHZ. 2018-09-21T05:52:47.50 0.1 undecidable manual P 155 0.4955 50 -0.35 86
IV.FOSV.EHZ. 2018-09-21T05:52:46.24 0.3 undecidable manual P 319 0.4083 50 -0.11 69
IV.LNSS.HHZ. 2018-09-21T05:52:45.73 0.3 undecidable manual P 190 0.3885 50 -0.29 67
IV.CESI.HHZ. 2018-09-21T05:52:45.08 0.3 undecidable manual S 277 0.1637 116 0.42 68
IV.EL6.EHZ. 2018-09-21T05:52:45.05 0.3 undecidable manual P 357 0.3435 50 -0.19 69
IV.MML1.HNZ. 2018-09-21T05:52:45.28 0.3 undecidable manual S 318 0.1709 115 0.39 68
IV.ASSB.HHZ. 2018-09-21T05:52:45.06 0.1 undecidable manual P 279 0.3471 50 -0.25 91
IV.NRCA.HHZ. 2018-09-21T05:52:44.68 0.6 undecidable manual S 184 0.1529 117 0.4 46
IV.PF6.EHZ. 2018-09-21T05:52:44.55 0.3 undecidable manual S 18 0.1592 116 0.06 73
IV.MMO1.EHZ. 2018-09-21T05:52:44.89 0.6 undecidable manual S 121 0.17 115 0.03 49
IV.CSP1.EHZ. 2018-09-21T05:52:43.16 0.6 undecidable manual S 28 0.1196 123 -0.01 50
IV.MF5.EHZ. 2018-09-21T05:52:43.80 0.3 undecidable manual P 90 0.2428 108 0.47 66
IV.MC2.EHZ. 2018-09-21T05:52:42.02 0.6 undecidable manual S 149 0.0872 132 -0.16 49
IV.CESI.HHZ. 2018-09-21T05:52:41.80 0.1 undecidable manual P 277 0.1637 116 0.1 97
IV.MML1.HNZ. 2018-09-21T05:52:41.88 0.1 undecidable manual P 318 0.1709 115 0.05 98
IV.MMO1.EHZ. 2018-09-21T05:52:41.76 0.1 negative manual P 121 0.17 115 -0.06 98
IV.FDMO.HHZ. 2018-09-21T05:52:41.01 0.3 undecidable manual S 330 0.0585 144 -0.41 69
IV.NRCA.HHZ. 2018-09-21T05:52:41.50 0.1 undecidable manual P 184 0.1529 117 0.02 99
IV.PF6.EHZ. 2018-09-21T05:52:41.38 0.3 undecidable manual P 18 0.1592 116 -0.22 71
IV.MC2.EHZ. 2018-09-21T05:52:40.25 0.1 negative manual P 149 0.0872 132 -0.02 100
IV.CSP1.EHZ. 2018-09-21T05:52:40.91 0.3 undecidable manual P 28 0.1196 123 0.07 74
IV.FDMO.HHZ. 2018-09-21T05:52:39.45 0.1 undecidable manual P 330 0.0585 144 -0.38 93
IV.FEMA.HNZ. 2018-09-21T05:52:39.78 0.3 undecidable manual P 247 0.0621 142 -0.1 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OB.GAVE.EHN. ML:0 0.000335 0.96 AML other m 2018-09-21T05:52:51.47
OB.GAVE.EHE. ML:0 0.000343 1.74 AML other m 2018-09-21T05:52:52.10
IV.NDIM.HNN. ML:0 0.0012205 0.68 AML other m 2018-09-21T05:53:23.39
IV.MRB1.HHN. ML:0 0.0001765 0.06 AML other m 2018-09-21T05:53:32.98
IV.MRB1.HHE. ML:0 0.0001525 0.06 AML other m 2018-09-21T05:53:37.11
GU.POPM.HHN. ML:0 2.805E-5 0.6 AML other m 2018-09-21T05:53:50.94
GU.POPM.HHE. ML:0 2.135E-5 0.1 AML other m 2018-09-21T05:53:54.83
IV.NDIM.HNE. ML:0 0.00217 1.92 AML other m 2018-09-21T05:54:03.03
IV.FDMO.HHN. ML:1.9 0.0015013955 0.1408 AML other m 2018-09-21T05:52:41.33
IV.FDMO.HHE. ML:2 0.0017338515 0.2208 AML other m 2018-09-21T05:52:41.56
IV.NRCA.HNN. ML:1.8 0.0005972535 0.1408 AML other m 2018-09-21T05:52:45.45
IV.NRCA.HHN. ML:1.9 0.00067476775 0.1408 AML other m 2018-09-21T05:52:45.37
IV.NRCA.HNE. ML:1.8 0.00063362075 0.1696 AML other m 2018-09-21T05:52:45.22
IV.NRCA.HHE. ML:1.9 0.0006525752 0.16 AML other m 2018-09-21T05:52:45.21
IV.MF5.EHE. ML:1.5 0.0001895 0.54 AML other m 2018-09-21T05:52:49.12
IV.MF5.EHN. ML:1.5 0.000177071625 0.3808 AML other m 2018-09-21T05:52:50.87
IV.EL6.EHN. ML:1.5 0.00011017446 0.1792 AML other m 2018-09-21T05:52:51.83
IV.EL6.EHE. ML:1.4 8.901473E-5 0.1408 AML other m 2018-09-21T05:52:54.15
IV.ASSB.HHE. ML:1.6 0.0001443656 0.32 AML other m 2018-09-21T05:52:53.48
IV.ASSB.HHN. ML:1.5 0.000119724485 0.1984 AML other m 2018-09-21T05:52:52.05
IV.FOSV.EHE. ML:1.4 7.736247E-5 0.24 AML other m 2018-09-21T05:52:53.87
IV.FOSV.EHN. ML:1.5 9.949795E-5 0.2784 AML other m 2018-09-21T05:52:53.88
IV.MOMA.HHE. ML:1.4 6.561969E-5 0.16 AML other m 2018-09-21T05:52:57.14
IV.MOMA.HHN. ML:1.4 5.964804E-5 0.16 AML other m 2018-09-21T05:52:56.84
IV.CAMP.HHN. ML:1 2.3464405E-5 0.2208 AML other m 2018-09-21T05:52:56.71
IV.CAMP.HHE. ML:1 2.65566165E-5 0.2592 AML other m 2018-09-21T05:52:57.91
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download