Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 23-06-2020 and time 02:34:17 (Italy) in region 1 km E Ussita (MC)

A magnitude ML 1.9 earthquake occured in region: 1 km E Ussita (MC), on

  • 23-06-2020 00:34:17 (UTC)
  • 23-06-2020 02:34:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 13.1460 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.

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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 1 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 6 281 1832
Bolognola MC 9 142 1974
Acquacanina MC 10 121 2095
Fiastra MC 10 559 2654
Preci PG 11 724 3378
Fiordimonte MC 11 202 3580
Monte Cavallo MC 13 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 14 866 6049
Montemonaco AP 16 604 6653
Montefortino FM 16 1178 7831
Sarnano MC 16 3264 11095
Norcia PG 17 4957 16052
Muccia MC 18 915 16967
Amandola FM 18 3629 20596
Sellano PG 19 1079 21675
Montegallo AP 19 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
95 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 1.9 2020-06-23
00:34:17		 42.9443 13.1463 9 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83231641
Reviewed
Rev100 		ML 1.9 2020-06-23
00:34:17		 42.9408 13.1512 9 2020-06-23
00:41:39		 Sala Sismica INGV-Roma 80417801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-23 00:34:17 ± 0.04
Latitude 42.9443 ± 0.0018
Longitude 13.1463 ± 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 83231641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 243
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 83
Number of defining phases 61
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 37
Type of magnitude ML
Reference to an origin 83231641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-25 09:21:23

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 73
Type of magnitude ML
Reference to an origin 80417801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-23 00:41:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.GLNS.HNZ. 2020-06-23T00:35:07.91 3.0 undecidable manual Sn -1.6 0
IV.ATPI.EHZ. 2020-06-23T00:34:45.09 3.0 undecidable manual S 0.72 0
IV.NARO.HHZ. 2020-06-23T00:34:45.78 3.0 undecidable manual S 0.07 0
IV.FIAM.HHZ. 2020-06-23T00:34:41.53 3.0 undecidable manual S -0.62 0
IV.ROM9.HNZ. 2020-06-23T00:34:38.52 3.0 undecidable manual P -1.97 0
IV.MURB.HHZ. 2020-06-23T00:34:38.66 3.0 undecidable manual S 0.48 0
IV.ARVD.HHZ. 2020-06-23T00:34:38.57 3.0 undecidable manual S -0.2 0
IV.CRTC.HHZ. 2020-06-23T00:34:35.52 3.0 undecidable manual P 0.94 0
IV.PE3.EHZ. 2020-06-23T00:34:34.07 3.0 negative manual P -1.3 0
IV.RM33.EHZ. 2020-06-23T00:34:34.09 0.6 undecidable manual S 173 48.618 50 0.35 44
IV.TERO.HHZ. 2020-06-23T00:34:34.64 0.6 undecidable manual S 134 51.6039 50 0.11 46
IV.FOSV.EHZ. 2020-06-23T00:34:34.51 0.6 undecidable manual S 321 49.8168 50 0.44 43
IV.CAMP.HHZ. 2020-06-23T00:34:34.12 0.6 undecidable manual S 155 50.1165 50 -0.03 47
IV.ARRO.EHZ. 2020-06-23T00:34:34.71 0.6 undecidable manual S 218 51.0156 50 0.33 44
IV.T0110.HHZ. 2020-06-23T00:34:34.32 3.0 positive manual P -0.38 0
IV.CING.HNZ. 2020-06-23T00:34:33.44 0.6 undecidable manual S 5 48.0186 50 -0.14 46
IV.FAGN.HHZ. 2020-06-23T00:34:32.86 3.0 positive manual P 0.04 0
IV.EL6.EHZ. 2020-06-23T00:34:32.40 0.6 undecidable manual S 355 42.8238 50 0.2 46
IV.ATPI.EHZ. 2020-06-23T00:34:32.49 3.0 positive manual P -0.19 0
IV.VCEL.EHZ. 2020-06-23T00:34:32.52 0.6 undecidable manual P 137 83.25 50 0.21 43
IV.PIEI.HHZ. 2020-06-23T00:34:32.29 3.0 negative manual P -0.35 0
IV.NARO.HHZ. 2020-06-23T00:34:32.95 3.0 negative manual P -0.48 0
IV.ASSB.HHZ. 2020-06-23T00:34:31.57 0.6 undecidable manual S 286 41.0256 50 -0.15 47
IV.ATVO.HHZ. 2020-06-23T00:34:31.32 3.0 positive manual P -0.48 0
IV.LNSS.HHZ. 2020-06-23T00:34:31.14 0.6 undecidable manual S 193 38.8278 50 0 48
IV.T1299.HNZ. 2020-06-23T00:34:30.67 0.3 undecidable manual S 162 36.1416 50 0.26 69
IV.SMA1.EHZ. 2020-06-23T00:34:30.64 0.6 undecidable manual S 156 38.0286 50 -0.29 46
IV.FRON.EHZ. 2020-06-23T00:34:30.59 3.0 positive manual P -0.37 0
IV.SNTG.HHZ. 2020-06-23T00:34:30.89 0.6 undecidable manual S 334 38.2284 50 -0.09 48
IV.ARVD.HHZ. 2020-06-23T00:34:29.10 3.0 negative manual P -0.43 0
IV.SSFR.HHZ. 2020-06-23T00:34:29.11 3.0 negative manual P -0.16 0
IV.ATFO.HHZ. 2020-06-23T00:34:29.73 3.0 positive manual P -0.22 0
IV.CESX.HHZ. 2020-06-23T00:34:28.47 3.0 positive manual P -0.27 0
IV.MURB.HHZ. 2020-06-23T00:34:28.99 3.0 positive manual P -0.21 0
IV.MTRA.EHZ. 2020-06-23T00:34:28.17 0.3 undecidable manual S 136 29.1486 106 -0.09 73
IV.OFFI.HHZ. 2020-06-23T00:34:27.08 0.3 undecidable manual P 91 43.8228 50 0.84 56
IV.SAP2.EHZ. 2020-06-23T00:34:27.84 0.6 undecidable manual S 50 26.5512 108 0.42 45
IV.TERO.HHZ. 2020-06-23T00:34:27.08 0.3 undecidable manual P 134 51.6039 50 -0.35 66
IV.MF5.EHZ. 2020-06-23T00:34:27.72 0.6 undecidable manual S 79 25.8519 108 0.53 44
IV.MDAR.HNZ. 2020-06-23T00:34:27.57 0.6 undecidable manual S 359 27.5502 107 -0.17 48
IT.GNU.HGZ. 2020-06-23T00:34:27.47 0.3 undecidable manual P 252 49.4172 50 0.38 66
IV.ARRO.EHZ. 2020-06-23T00:34:27.29 0.1 undecidable manual P 218 51.0156 50 -0.06 94
IV.ATCC.EHZ. 2020-06-23T00:34:26.93 3.0 negative manual P -0.17 0
IV.MML1.HNZ. 2020-06-23T00:34:26.54 0.3 undecidable manual S 323 23.4543 110 0.13 73
IV.RM33.EHZ. 2020-06-23T00:34:26.73 0.3 undecidable manual P 173 48.618 50 -0.25 68
IV.FOSV.EHZ. 2020-06-23T00:34:26.92 0.3 undecidable manual P 321 49.8168 50 -0.25 68
IV.CAMP.HHZ. 2020-06-23T00:34:26.83 0.3 undecidable manual P 155 50.1165 50 -0.38 66
IV.CING.HNZ. 2020-06-23T00:34:26.54 0.3 undecidable manual P 5 48.0186 50 -0.34 67
IV.SNTG.HHZ. 2020-06-23T00:34:25.04 0.3 positive manual P 334 38.2284 50 -0.34 68
IV.MNTT.EHZ. 2020-06-23T00:34:25.96 0.3 undecidable manual P 70 38.7279 50 0.51 65
IV.LNSS.HHZ. 2020-06-23T00:34:25.53 0.1 negative manual P 193 38.8278 50 0.06 96
IV.GUMA.HHZ. 2020-06-23T00:34:25.73 0.3 undecidable manual S 49 20.1687 113 0.4 69
IV.ASSB.HHZ. 2020-06-23T00:34:25.56 0.3 undecidable manual P 286 41.0256 50 -0.25 69
IV.CESI.HHZ. 2020-06-23T00:34:25.86 0.3 undecidable manual S 289 20.7681 112 0.35 70
IV.EL6.EHZ. 2020-06-23T00:34:25.73 0.3 undecidable manual P 355 42.8238 50 -0.36 67
IV.PF6.EHZ. 2020-06-23T00:34:25.48 0.3 undecidable manual S 10 21.7671 111 -0.38 69
IT.FOPC.HGZ. 2020-06-23T00:34:25.00 0.3 undecidable manual P 275 36.1416 50 -0.05 72
IV.CSP1.EHZ. 2020-06-23T00:34:24.09 0.3 undecidable manual S 16 17.0718 117 -0.25 72
IV.MNTP.HNZ. 2020-06-23T00:34:24.96 0.1 undecidable manual P 51 33.8439 50 0.26 93
IV.T1299.HNZ. 2020-06-23T00:34:24.84 0.1 undecidable manual P 162 36.1416 50 -0.22 93
IV.SMA1.EHZ. 2020-06-23T00:34:24.97 0.1 negative manual P 156 38.0286 50 -0.38 90
IV.MF5.EHZ. 2020-06-23T00:34:23.47 0.3 undecidable manual P 79 25.8519 108 0.27 70
IV.SEF1.HNZ. 2020-06-23T00:34:23.44 0.6 undecidable manual P 324 27.6501 107 -0.09 49
IV.MDAR.HNZ. 2020-06-23T00:34:23.27 0.3 undecidable manual P 359 27.5502 107 -0.24 71
IV.MTRA.EHZ. 2020-06-23T00:34:23.58 0.1 undecidable manual P 136 29.1486 106 -0.23 94
IV.NRCA.HHZ. 2020-06-23T00:34:23.30 0.3 undecidable manual S 192 12.5763 124 0.3 72
IV.SAP2.EHZ. 2020-06-23T00:34:23.77 0.3 undecidable manual P 50 26.5512 108 0.44 68
IT.MTCL.HGZ. 2020-06-23T00:34:23.36 0.3 undecidable manual S 295 13.1757 123 0.19 73
IV.MMO1.EHZ. 2020-06-23T00:34:23.74 0.3 undecidable manual S 109 15.4734 119 -0.13 74
IV.CESI.HHZ. 2020-06-23T00:34:22.36 0.1 negative manual P 289 20.7681 112 0.13 97
IV.FDMO.HHZ. 2020-06-23T00:34:22.40 0.6 undecidable manual S 335 11.2776 127 -0.24 48
IV.PF6.EHZ. 2020-06-23T00:34:22.18 0.3 undecidable manual P 10 21.7671 111 -0.25 71
IV.FEMA.HNZ. 2020-06-23T00:34:22.06 0.3 undecidable manual S 284 8.0808 136 0.25 73
IV.MML1.HNZ. 2020-06-23T00:34:22.54 0.3 undecidable manual P 323 23.4543 110 -0.2 72
IV.GUMA.HHZ. 2020-06-23T00:34:22.35 0.1 undecidable manual P 49 20.1687 113 0.23 96
IV.MMO1.EHZ. 2020-06-23T00:34:21.22 0.1 undecidable manual P 109 15.4734 119 -0.06 100
IV.CSP1.EHZ. 2020-06-23T00:34:21.46 0.1 undecidable manual P 16 17.0718 117 -0.09 99
IT.MTCL.HGZ. 2020-06-23T00:34:20.99 0.1 negative manual P 295 13.1757 123 0.12 99
IV.MC2.EHZ. 2020-06-23T00:34:20.69 0.1 undecidable manual S 137 4.995 149 -0.48 93
IV.FDMO.HHZ. 2020-06-23T00:34:20.48 0.1 undecidable manual P 335 11.2776 127 -0.09 100
IV.NRCA.HHZ. 2020-06-23T00:34:20.90 0.1 negative manual P 192 12.5763 124 0.12 99
IV.FEMA.HNZ. 2020-06-23T00:34:20.21 0.1 undecidable manual P 284 8.0808 136 0.12 100
IV.MC2.EHZ. 2020-06-23T00:34:19.58 0.1 undecidable manual P 137 4.995 149 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:2.2 0.001365 0.46 AML other m 2020-06-23T00:34:25.98
IV.CSP1.EHN. ML:2.2 0.0012595 1.7 AML other m 2020-06-23T00:34:26.10
IV.CESI.HHN. ML:2.3 0.0013700000000000001 0.42 AML other m 2020-06-23T00:34:26.60
IV.CESI.HHE. ML:2.0 0.0008020000000000001 0.72 AML other m 2020-06-23T00:34:27.38
IV.LNSS.HHE. ML:1.8 0.00024349999999999998 0.62 AML other m 2020-06-23T00:34:32.02
IV.ASSB.HHE. ML:1.9 0.00028849999999999997 0.32 AML other m 2020-06-23T00:34:32.50
IV.ASSB.HHN. ML:1.9 0.000293 0.7 AML other m 2020-06-23T00:34:32.54
IV.LNSS.HHN. ML:2.0 0.00033499999999999996 0.14 AML other m 2020-06-23T00:34:34.47
IV.CAMP.HHN. ML:1.6 0.0001075 0.24 AML other m 2020-06-23T00:34:34.41
IV.CAMP.HHE. ML:1.8 0.00017199999999999998 0.92 AML other m 2020-06-23T00:34:34.47
IV.RM33.EHN. ML:1.7 0.0001475 1.76 AML other m 2020-06-23T00:34:34.08
IV.TERO.HHN. ML:2.0 0.000256 0.28 AML other m 2020-06-23T00:34:35.01
IV.ATCC.EHN. ML:2.0 0.000245 0.56 AML other m 2020-06-23T00:34:35.71
IV.TERO.HHE. ML:1.9 0.000183 0.44 AML other m 2020-06-23T00:34:35.73
IV.ATCC.EHE. ML:2.0 0.000243 0.52 AML other m 2020-06-23T00:34:35.92
IV.EL6.EHE. ML:2.1 0.0003625 0.26 AML other m 2020-06-23T00:34:36.03
IV.FOSV.EHN. ML:1.8 0.000174 0.66 AML other m 2020-06-23T00:34:36.12
IV.FOSV.EHE. ML:1.7 0.0001305 1.52 AML other m 2020-06-23T00:34:36.94
IV.SMA1.EHE. ML:1.8 0.00026249999999999993 0.86 AML other m 2020-06-23T00:34:37.52
IV.CESX.HHN. ML:1.8 0.0001285 0.3 AML other m 2020-06-23T00:34:37.63
IV.RM33.EHE. ML:1.7 0.0001445 0.32 AML other m 2020-06-23T00:34:38.96
IV.ARVD.HHE. ML:1.8 0.00010750000000000001 1.74 AML other m 2020-06-23T00:34:38.01
IV.ARVD.HHN. ML:1.6 0.00008044999999999999 1.04 AML other m 2020-06-23T00:34:39.53
IV.EL6.EHN. ML:2.0 0.0003175 0.46 AML other m 2020-06-23T00:34:39.12
IV.MURB.HHE. ML:2.1 0.000268 0.4 AML other m 2020-06-23T00:34:39.67
IV.SMA1.EHN. ML:1.8 0.000246 0.72 AML other m 2020-06-23T00:34:40.68
IV.CESX.HHE. ML:1.8 0.00012495 1.26 AML other m 2020-06-23T00:34:40.76
IV.MURB.HHN. ML:2.2 0.0002945 0.4 AML other m 2020-06-23T00:34:41.63
IV.FRON.EHN. ML:1.9 0.00012009999999999999 0.44 AML other m 2020-06-23T00:34:42.72
IV.FRON.EHE. ML:1.7 0.0000765 0.78 AML other m 2020-06-23T00:34:44.39
IV.FAGN.HHN. ML:1.9 0.0001125 1.72 AML other m 2020-06-23T00:34:47.88
IV.FAGN.HHE. ML:1.9 0.00009784999999999999 0.54 AML other m 2020-06-23T00:34:49.66
IV.T0110.HHN. ML:1.9 0.00008385 0.36 AML other m 2020-06-23T00:34:50.41
IV.VCEL.EHN. ML:1.9 0.00009384999999999999 0.64 AML other m 2020-06-23T00:34:50.74
IV.T0110.HHE. ML:1.9 0.00009325 1.62 AML other m 2020-06-23T00:34:52.12
IV.VCEL.EHE. ML:1.9 0.00009520000000000001 1.06 AML other m 2020-06-23T00:34:53.98
IV.CRTC.HHE. ML:2.0 0.00009820000000000002 0.8 AML other m 2020-06-23T00:34:55.54
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