Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-07-2020 and time 22:08:15 (Italy) in region 4 km NW Ussita (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Ussita (MC), on

  • 22-07-2020 20:08:15 (UTC)
  • 22-07-2020 22:08:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9770, 13.1080 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 4 444 444
Visso MC 5 1107 1551
Fiordimonte MC 7 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Monte Cavallo MC 9 145 2578
Pieve Torina MC 9 1458 4036
Pievebovigliana MC 10 866 4902
Castelsantangelo sul Nera MC 10 281 5183
Bolognola MC 10 142 5325
Preci PG 12 724 6049
Muccia MC 13 915 6964
Serravalle di Chienti MC 17 1070 8034
Sarnano MC 17 3264 11298
Sellano PG 18 1079 12377
Camerino MC 18 6974 19351
Cessapalombo MC 19 512 19863
Montefortino FM 19 1178 21041
Montemonaco AP 20 604 21645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
60 Km NE of Terni (111501 inhabitants)
60 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.2 2020-07-22
20:08:15		 42.9772 13.1078 9 2020-11-19
12:36:57		 Bollettino Sismico Italiano INGV 82105291
Reviewed
Rev100 		ML 1.2 2020-07-22
20:08:15		 42.9788 13.1112 7 2020-07-22
20:19:29		 Sala Sismica INGV-Roma 81254811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-22 20:08:15 ± 0.04
Latitude 42.9772 ± 0.0027
Longitude 13.1078 ± 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 82105291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 42
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) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 1.53244
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 81254811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-22 20:19:29

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 82105291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-18 05:18:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-07-22T20:08:42.70 3.0 undecidable manual P 170.0964 -0.33 0
IV.PESA.HHZ. 2020-07-22T20:08:36.72 3.0 undecidable manual P 109.113 3.09 0
IV.ATCC.EHZ. 2020-07-22T20:08:30.30 0.6 undecidable manual S 301 44.4222 50 0.37 44
IV.MPAG.EHZ. 2020-07-22T20:08:28.61 0.1 undecidable manual P 339 77.5668 50 -0.17 86
IV.ASSB.HHZ. 2020-07-22T20:08:28.10 0.6 undecidable manual S 281 37.1295 50 0.11 47
IV.GAVE.EHZ. 2020-07-22T20:08:27.70 0.6 undecidable manual S 209 36.0417 50 -0.01 48
IV.MF5.EHZ. 2020-07-22T20:08:26.00 0.6 undecidable manual S 88 28.5492 107 0.53 43
IV.ARVD.HHZ. 2020-07-22T20:08:26.36 0.6 undecidable manual P 347 59.2962 50 0.4 43
IV.MURB.HHZ. 2020-07-22T20:08:25.55 0.3 undecidable manual P 304 56.8986 50 -0.04 69
IV.TERO.HHZ. 2020-07-22T20:08:25.92 0.3 undecidable manual P 134 56.3991 50 0.41 64
IV.CAMP.HHZ. 2020-07-22T20:08:25.28 1.0 undecidable manual P 153 54.8007 50 0.02 23
IV.SSFR.HHZ. 2020-07-22T20:08:25.68 0.3 undecidable manual P 333 57.2982 50 0.02 69
IV.SAP2.EHZ. 2020-07-22T20:08:25.60 0.3 undecidable manual S 61 27.0507 108 0.62 63
IV.RM33.EHZ. 2020-07-22T20:08:24.76 0.6 undecidable manual P 170 52.7028 50 -0.18 45
IV.ATCC.EHZ. 2020-07-22T20:08:23.52 0.6 undecidable manual P 301 44.4222 50 -0.14 46
IV.GUMA.HHZ. 2020-07-22T20:08:23.20 0.3 undecidable manual S 63 20.7681 113 0.29 70
IV.MNTT.EHZ. 2020-07-22T20:08:23.41 0.6 undecidable manual P 76 40.626 50 0.32 45
IV.MML1.HNZ. 2020-07-22T20:08:22.20 0.3 undecidable manual S 324 18.6702 115 -0.06 74
IV.GAVE.EHZ. 2020-07-22T20:08:22.19 0.1 undecidable manual P 209 36.0417 50 -0.19 93
IV.MMO1.EHZ. 2020-07-22T20:08:22.20 0.3 undecidable manual S 116 19.7691 114 -0.4 68
IV.PF6.EHZ. 2020-07-22T20:08:22.00 0.3 undecidable manual S 21 19.1697 114 -0.41 68
IV.ASSB.HHZ. 2020-07-22T20:08:22.41 0.3 undecidable manual P 281 37.1295 50 -0.14 70
IV.MF5.EHZ. 2020-07-22T20:08:21.13 0.1 undecidable manual P 88 28.5492 107 0.04 97
IV.NRCA.HHZ. 2020-07-22T20:08:21.30 0.3 undecidable manual S 178 15.9729 119 -0.11 73
IV.SAP2.EHZ. 2020-07-22T20:08:21.14 0.6 undecidable manual P 61 27.0507 108 0.34 46
IV.MTRA.EHE. 2020-07-22T20:08:21.65 0.1 undecidable manual P 136 33.9438 50 -0.4 89
IV.CESI.HNZ. 2020-07-22T20:08:21.90 0.3 undecidable manual S 281 16.7721 117 0.24 71
IV.SNTG.HHZ. 2020-07-22T20:08:21.77 0.3 undecidable manual P 336 33.6441 50 -0.23 69
IV.CSP1.EHZ. 2020-07-22T20:08:20.90 0.3 undecidable manual S 32 14.9739 120 -0.21 72
IV.MMO1.EHZ. 2020-07-22T20:08:19.27 0.1 undecidable manual P 116 19.7691 114 -0.16 96
IT.MTCL.HGZ. 2020-07-22T20:08:19.50 0.3 undecidable manual S 282 8.9799 134 0.05 75
IV.PF6.EHZ. 2020-07-22T20:08:19.06 0.1 undecidable manual P 21 19.1697 114 -0.26 94
IV.MML1.HNZ. 2020-07-22T20:08:19.25 0.1 undecidable manual P 324 18.6702 115 0.01 99
IV.GUMA.HHZ. 2020-07-22T20:08:19.71 0.1 undecidable manual P 63 20.7681 113 0.1 97
IV.MC2.EHZ. 2020-07-22T20:08:19.60 0.3 undecidable manual S 138 9.879 132 -0.06 75
IV.CESI.HNZ. 2020-07-22T20:08:19.14 0.1 undecidable manual P 281 16.7721 117 0.25 95
IV.FDMO.HHZ. 2020-07-22T20:08:18.50 0.3 undecidable manual S 346 6.7932 142 -0.44 69
IV.CSP1.EHZ. 2020-07-22T20:08:18.50 0.1 undecidable manual P 32 14.9739 120 -0.07 99
IV.FEMA.HNZ. 2020-07-22T20:08:18.70 0.6 undecidable manual S 250 4.995 150 0.11 50
IV.NRCA.HHZ. 2020-07-22T20:08:18.80 0.1 undecidable manual P 178 15.9729 119 0.05 99
IV.FEMA.HNZ. 2020-07-22T20:08:17.32 0.1 undecidable manual P 250 4.995 150 0.2 98
IV.MC2.EHZ. 2020-07-22T20:08:17.78 0.1 undecidable manual P 138 9.879 132 0.05 100
IV.FDMO.HHZ. 2020-07-22T20:08:17.25 0.1 undecidable manual P 346 6.7932 142 -0.07 100
IT.MTCL.HGZ. 2020-07-22T20:08:17.75 0.1 undecidable manual P 282 8.9799 134 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.2 0.00027454329999999997 0.1792 AML other m 2020-07-22T20:08:18.69
IV.FDMO.HHE. ML:1.2 0.0002415621 0.2048 AML other m 2020-07-22T20:08:18.69
IV.FEMA.HNE. ML:1.6 0.00072366645 0.2432 AML other m 2020-07-22T20:08:19.67
IV.FEMA.HNN. ML:1.4 0.00046913065 0.1152 AML other m 2020-07-22T20:08:19.75
IV.CSP1.EHE. ML:1.3 0.00019742565 0.1024 AML other m 2020-07-22T20:08:21.32
IV.NRCA.HHN. ML:1.4 0.00026597725 0.1408 AML other m 2020-07-22T20:08:22.89
IV.NRCA.HNN. ML:1.4 0.000262055 0.1536 AML other m 2020-07-22T20:08:22.89
IV.GUMA.HHN. ML:1.8 0.00041902225 0.3072 AML other m 2020-07-22T20:08:23.58
IV.NRCA.HHE. ML:1.5 0.0002953673 0.128 AML other m 2020-07-22T20:08:23.95
IV.NRCA.HNE. ML:1.5 0.00030109015 0.1408 AML other m 2020-07-22T20:08:23.96
IV.GUMA.HHE. ML:1.5 0.00025428895 0.2176 AML other m 2020-07-22T20:08:24.63
IV.GUMA.HNE. ML:1.5 0.00021044345 0.2816 AML other m 2020-07-22T20:08:26.30
IV.MF5.EHE. ML:1.2 0.0000748325625 0.2048 AML other m 2020-07-22T20:08:26.44
IV.MF5.EHN. ML:1.0 0.0000507609055 0.2048 AML other m 2020-07-22T20:08:26.85
IV.SNTG.HHE. ML:0.9 0.000035598240000000004 0.1152 AML other m 2020-07-22T20:08:27.53
IV.GAVE.EHE. ML:1.4 0.00008953789 1.8848 AML other m 2020-07-22T20:08:27.97
IV.SNTG.HHN. ML:0.9 0.00003644498 0.1664 AML other m 2020-07-22T20:08:28.06
IV.ASSB.HHE. ML:1.2 0.000054890705 0.0768 AML other m 2020-07-22T20:08:28.60
IV.GAVE.EHN. ML:1.4 0.00010419947 0.2048 AML other m 2020-07-22T20:08:28.51
IV.ASSB.HHN. ML:1.3 0.000077703255 0.1408 AML other m 2020-07-22T20:08:29.22
IV.ATCC.EHN. ML:1.1 0.000034000135 0.32 AML other m 2020-07-22T20:08:30.59
IV.ATCC.EHE. ML:1.0 0.00003184564500000001 0.1408 AML other m 2020-07-22T20:08:30.89
IV.RM33.EHN. ML:0.8 0.000016241405 0.2176 AML other m 2020-07-22T20:08:32.61
IV.TERO.HHN. ML:0.8 0.000014616980499999999 0.0896 AML other m 2020-07-22T20:08:33.66
IV.RM33.EHE. ML:0.6 0.0000114308985 0.1408 AML other m 2020-07-22T20:08:34.57
IV.TERO.HHE. ML:0.8 0.000015851419999999997 0.0768 AML other m 2020-07-22T20:08:34.59
IV.MURB.HHE. ML:1.4 0.000054374554999999996 0.1664 AML other m 2020-07-22T20:08:35.19
IV.ARVD.HHN. ML:0.8 0.000016868815 0.0768 AML other m 2020-07-22T20:08:35.41
IV.SSFR.HHE. ML:1.2 0.00003521194 0.1408 AML other m 2020-07-22T20:08:35.88
IV.ARVD.HHE. ML:1.0 0.0000178977555 0.1792 AML other m 2020-07-22T20:08:35.90
IV.SSFR.HHN. ML:1.4 0.000053877695 0.2048 AML other m 2020-07-22T20:08:36.19
IV.MURB.HHN. ML:1.4 0.00006047735 0.2944 AML other m 2020-07-22T20:08:36.82
IV.MPAG.EHN. ML:0.5 0.0000047681704500000005 0.1408 AML other m 2020-07-22T20:08:40.90
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