Earthquake with magnitude of ML 1.5 on date 21-09-2018 and time 07:30:07 (Italy) in region 5 km N Ussita (MC)

A magnitude ML 1.5 earthquake occured in region: 5 km N Ussita (MC), on

  • 21-09-2018 05:30:07 (UTC)
  • 21-09-2018 07:30:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.99, 13.12 at 8 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
Fiordimonte MC 6 202 646
Fiastra MC 6 559 1205
Acquacanina MC 6 121 1326
Visso MC 7 1107 2433
Pieve Torina MC 8 1458 3891
Bolognola MC 9 142 4033
Pievebovigliana MC 9 866 4899
Monte Cavallo MC 10 145 5044
Castelsantangelo sul Nera MC 11 281 5325
Muccia MC 12 915 6240
Preci PG 14 724 6964
Sarnano MC 16 3264 10228
Serravalle di Chienti MC 17 1070 11298
Camerino MC 17 6974 18272
Cessapalombo MC 18 512 18784
Montefortino FM 19 1178 19962
Caldarola MC 19 1823 21785
Amandola FM 19 3629 25414
Sellano PG 19 1079 26493
Montemonaco AP 20 604 27097
Gualdo MC 20 815 27912
Camporotondo di Fiastrone MC 20 563 28475

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
95 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 1.5 2018-09-21
05:30:07
42.99 13.12 9 2019-06-04
09:16:04
Bollettino Sismico Italiano INGV 64472891
Rev 100 ML 1.6 2018-09-21
05:30:07
42.99 13.12 6 2018-09-21
05:35:30
Sala Sismica INGV-Roma 61169871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-21 05:30:07 ± 0.06
Latitude 42.99 ± 0.00
Longitude 13.12 ± 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 64472891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
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) 60
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 64472891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-26 10:18:23

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 61169871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-21 05:35:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2018-09-21T05:30:26.17 0.3 undecidable manual S 136 0.5099 50 0.45 64
IV.CAMP.HHZ. 2018-09-21T05:30:25.40 0.3 undecidable manual S 155 0.5 50 -0.05 69
IV.SMA1.EHZ. 2018-09-21T05:30:22.56 0.3 undecidable manual S 156 0.3921 50 0.33 67
IV.ASSB.HHZ. 2018-09-21T05:30:21.14 0.6 undecidable manual S 279 0.3417 50 0.38 45
IV.EL6.EHZ. 2018-09-21T05:30:20.84 0.3 undecidable manual S 358 0.3399 50 0.15 70
IV.SNTG.HHE. 2018-09-21T05:30:19.17 0.6 undecidable manual S 334 0.2959 104 -0.19 47
IV.MF5.EHZ. 2018-09-21T05:30:17.93 0.6 undecidable manual S 90 0.2473 107 0.38 45
IV.CAMP.HHZ. 2018-09-21T05:30:17.32 0.3 undecidable manual P 155 0.5 50 -0.58 61
IV.TERO.HHZ. 2018-09-21T05:30:17.76 0.3 undecidable manual P 136 0.5099 50 -0.29 66
IV.GUMA.HHZ. 2018-09-21T05:30:15.07 0.6 undecidable manual S 65 0.1727 114 0.23 48
IV.SMA1.EHZ. 2018-09-21T05:30:15.54 0.3 undecidable manual P 156 0.3921 50 -0.5 64
IV.MML1.HNZ. 2018-09-21T05:30:15.08 0.3 undecidable manual S 319 0.1655 115 0.5 67
IV.PF6.EHZ. 2018-09-21T05:30:14.30 0.3 undecidable manual S 20 0.1574 116 -0.02 75
IV.CESI.HHZ. 2018-09-21T05:30:14.86 0.3 undecidable manual S 276 0.1592 116 0.49 68
IV.ASSB.HHZ. 2018-09-21T05:30:14.92 0.3 undecidable manual P 279 0.3417 50 -0.27 68
IV.NRCA.HHZ. 2018-09-21T05:30:14.60 0.3 undecidable manual S 182 0.1565 116 0.33 70
IV.MMO1.EHZ. 2018-09-21T05:30:14.84 0.3 undecidable manual S 121 0.1754 113 -0.1 73
IV.SNTG.HHE. 2018-09-21T05:30:14.00 0.6 undecidable manual P 334 0.2959 104 -0.38 45
IV.EL6.EHZ. 2018-09-21T05:30:14.89 0.3 undecidable manual P 358 0.3399 50 -0.26 68
IV.MF5.EHZ. 2018-09-21T05:30:13.74 0.3 undecidable manual P 90 0.2473 107 0.4 68
IV.CSP1.EHZ. 2018-09-21T05:30:12.95 0.3 undecidable manual S 31 0.1187 123 -0.07 74
IV.GUMA.HHZ. 2018-09-21T05:30:12.24 0.3 undecidable manual P 65 0.1727 114 0.47 68
IV.MML1.HNZ. 2018-09-21T05:30:11.62 0.1 undecidable manual P 319 0.1655 115 0 100
IV.FEMA.HNN. 2018-09-21T05:30:11.13 0.6 undecidable manual S 242 0.0594 142 -0.16 49
IV.MMO1.EHZ. 2018-09-21T05:30:11.63 0.1 negative manual P 121 0.1754 113 -0.2 95
IV.PF6.EHZ. 2018-09-21T05:30:11.42 0.6 undecidable manual P 20 0.1574 116 -0.05 49
IV.CESI.HHZ. 2018-09-21T05:30:11.66 0.1 positive manual P 276 0.1592 116 0.16 97
IV.NRCA.HHZ. 2018-09-21T05:30:11.36 0.1 undecidable manual P 182 0.1565 116 -0.08 98
IV.MC2.EHZ. 2018-09-21T05:30:10.14 0.1 negative manual P 148 0.0926 129 -0.1 99
IV.CSP1.EHZ. 2018-09-21T05:30:10.75 0.1 undecidable manual P 31 0.1187 123 0.03 100
IV.FDMO.HHZ. 2018-09-21T05:30:10.85 0.3 undecidable manual S 332 0.0531 145 -0.3 72
IV.FDMO.HHZ. 2018-09-21T05:30:09.32 0.1 undecidable manual P 332 0.0531 145 -0.32 95
IV.FEMA.HNN. 2018-09-21T05:30:09.68 0.3 undecidable manual P 242 0.0594 142 -0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.7 0.00096289475 0.16 AML other m 2018-09-21T05:30:11.18
IV.FDMO.HHE. ML:1.7 0.0009511657 0.2784 AML other m 2018-09-21T05:30:11.11
IV.CESI.HHE. ML:1.3 0.0001837798 0.1792 AML other m 2018-09-21T05:30:15.03
IV.NRCA.HHN. ML:1.8 0.0005600074 0.1408 AML other m 2018-09-21T05:30:15.27
IV.NRCA.HNN. ML:1.8 0.00051445065 0.1408 AML other m 2018-09-21T05:30:15.27
IV.NRCA.HHE. ML:1.7 0.00040846545 0.1408 AML other m 2018-09-21T05:30:15.83
IV.NRCA.HNE. ML:1.6 0.0003846105 0.1408 AML other m 2018-09-21T05:30:15.90
IV.CESI.HHN. ML:1.5 0.00027173925 0.24 AML other m 2018-09-21T05:30:16.22
IV.GUMA.HHN. ML:1.7 0.00043889835 0.3424 AML other m 2018-09-21T05:30:18.43
IV.GUMA.HHE. ML:1.7 0.0004171735 0.3808 AML other m 2018-09-21T05:30:20.47
IV.GUMA.HNE. ML:1.7 0.00039838235 0.4512 AML other m 2018-09-21T05:30:20.51
IV.EL6.EHN. ML:1.4 8.9771575E-5 0.2016 AML other m 2018-09-21T05:30:21.77
IV.ASSB.HHN. ML:1.4 9.2859675E-5 0.2208 AML other m 2018-09-21T05:30:21.89
OB.GAVE.EHN. ML:0 0.000231281 0.2592 AML other m 2018-09-21T05:30:21.82
OB.GAVE.HNE. ML:0 0.0002294444 0.2688 AML other m 2018-09-21T05:30:21.83
OB.GAVE.EHE. ML:0 0.0002486509 0.2592 AML other m 2018-09-21T05:30:21.97
IV.ASSB.HHE. ML:1.4 9.4969525E-5 0.24 AML other m 2018-09-21T05:30:23.33
IV.EL6.EHE. ML:1.3 7.1894435E-5 0.3808 AML other m 2018-09-21T05:30:24.01
IV.CAMP.HHE. ML:0.9 1.833836E-5 0.1984 AML other m 2018-09-21T05:30:25.96
IV.TERO.HHE. ML:1 2.74116E-5 0.2816 AML other m 2018-09-21T05:30:26.43
IV.CAMP.HHN. ML:0.9 1.98627875E-5 0.24 AML other m 2018-09-21T05:30:26.46
IV.TERO.HHN. ML:1 2.015713E-5 0.1216 AML other m 2018-09-21T05:30:26.60
IV.SMA1.EHN. ML:1 3.7324095E-5 0.3008 AML other m 2018-09-21T05:30:28.05
IV.SMA1.EHE. ML:1.2 5.1302135E-5 0.5376 AML other m 2018-09-21T05:30:29.71
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