Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 14-05-2023 and time 09:52:24 (Italy) in region 3 km SE Ussita (MC)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Ussita (MC), on

  • 14-05-2023 07:52:24 (UTC)
  • 14-05-2023 09:52:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.1520 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Castelsantangelo sul Nera MC 3 281 725
Visso MC 5 1107 1832
Bolognola MC 10 142 1974
Preci PG 10 724 2698
Acquacanina MC 12 121 2819
Fiastra MC 13 559 3378
Fiordimonte MC 14 202 3580
Montemonaco AP 15 604 4184
Monte Cavallo MC 15 145 4329
Norcia PG 15 4957 9286
Montefortino FM 16 1178 10464
Pieve Torina MC 16 1458 11922
Pievebovigliana MC 16 866 12788
Montegallo AP 17 523 13311
Sarnano MC 18 3264 16575
Amandola FM 18 3629 20204
Sellano PG 19 1079 21283
Muccia MC 20 915 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
93 Km W 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
Reviewed
Rev100 		ML 1.8 2023-05-14
07:52:24		 42.9237 13.1525 9 2023-05-14
08:02:55		 Sala Sismica INGV-Roma 117339021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-14 07:52:24 ± 0.05
Latitude 42.9237 ± 0.0027
Longitude 13.1525 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117339021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 80
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46765
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 64
Type of magnitude ML
Reference to an origin 117339021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-14 08:02:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-05-14T07:52:46.09 3.0 undecidable manual S 0.19 0
IV.MURB.HHZ. 2023-05-14T07:52:45.63 3.0 undecidable manual S 0.51 0
IV.T0110.HHZ. 2023-05-14T07:52:40.48 3.0 negative manual P -0.18 0
IV.TERO.HHZ. 2023-05-14T07:52:40.73 0.6 undecidable manual S 132 49.617 50 0.27 45
IV.EL6.EHZ. 2023-05-14T07:52:39.73 0.6 undecidable manual S 355 45.2214 50 0.46 43
IV.MPAG.EHZ. 2023-05-14T07:52:39.72 3.0 negative manual P 0.27 0
IV.ASSB.HHZ. 2023-05-14T07:52:38.98 3.0 undecidable manual S 0.17 0
IV.ATVO.HHZ. 2023-05-14T07:52:38.09 3.0 undecidable manual P -0.45 0
IV.NARO.HHZ. 2023-05-14T07:52:37.50 3.0 undecidable manual P -2.74 0
IV.ARVD.HHZ. 2023-05-14T07:52:36.21 3.0 positive manual P -0.15 0
IV.FIAM.HHZ. 2023-05-14T07:52:36.87 3.0 undecidable manual P -0.51 0
IV.GIGS.HHZ. 2023-05-14T07:52:35.33 3.0 negative manual P -0.33 0
IV.MURB.HHZ. 2023-05-14T07:52:35.75 3.0 undecidable manual P -0.17 0
IV.MTRA.EHZ. 2023-05-14T07:52:34.43 0.6 undecidable manual S 133 27.1506 108 0.31 46
IV.FOSV.EHZ. 2023-05-14T07:52:34.12 0.6 positive manual P 323 51.9036 50 0.16 46
IV.CESX.HHZ. 2023-05-14T07:52:34.79 3.0 positive manual P -0.14 0
IV.ARRO.EHZ. 2023-05-14T07:52:33.54 3.0 undecidable manual P 0.01 0
IV.TERO.HHZ. 2023-05-14T07:52:33.25 0.3 undecidable manual P 132 49.617 50 -0.35 66
IV.ATCC.EHZ. 2023-05-14T07:52:33.69 3.0 positive manual P -0.12 0
IV.MOMA.HHZ. 2023-05-14T07:52:33.45 3.0 positive manual P -0.07 0
IV.CAMP.HHZ. 2023-05-14T07:52:33.02 3.0 positive manual P -0.2 0
IV.CING.HHZ. 2023-05-14T07:52:33.66 0.3 undecidable manual P 4 50.2164 50 -0.03 70
IV.RM33.EHZ. 2023-05-14T07:52:32.86 3.0 negative manual P -0.09 0
IV.EL6.EHZ. 2023-05-14T07:52:32.54 0.6 positive manual P 355 45.2214 50 -0.37 44
IV.MNTT.EHZ. 2023-05-14T07:52:32.66 0.6 negative manual P 67 39.1275 50 0.69 40
IV.SNTG.HHZ. 2023-05-14T07:52:32.12 0.6 positive manual P 335 40.5261 50 -0.08 47
IV.CESI.HHZ. 2023-05-14T07:52:32.72 0.6 undecidable manual S 294 22.0668 112 0.27 47
IV.PF6.EHZ. 2023-05-14T07:52:32.88 0.6 undecidable manual S 8 23.9538 110 -0.2 48
IV.SMA1.EHZ. 2023-05-14T07:52:31.01 1.0 undecidable manual P 155 35.742 50 -0.45 22
IV.CSP1.EHZ. 2023-05-14T07:52:31.60 0.6 undecidable manual S 13 19.1697 114 0.08 49
IV.LNSS.HHZ. 2023-05-14T07:52:31.36 0.6 undecidable manual P 194 36.741 50 -0.25 46
IV.MF5.EHZ. 2023-05-14T07:52:30.01 0.1 undecidable manual P 74 25.9518 109 0.31 93
IT.MTCL.HGZ. 2023-05-14T07:52:30.10 0.6 undecidable manual S 302 14.6742 121 -0.04 50
IV.GAVE.EHZ. 2023-05-14T07:52:30.96 0.1 negative manual P 219 33.1446 50 -0.1 96
IV.MMO1.EHZ. 2023-05-14T07:52:30.06 0.6 undecidable manual S 101 14.3745 121 -0.01 50
IV.PF6.EHZ. 2023-05-14T07:52:29.02 0.1 undecidable manual P 8 23.9538 110 -0.32 93
IV.GUMA.HHZ. 2023-05-14T07:52:29.03 0.1 positive manual P 44 21.3675 112 0.18 96
IV.MTRA.EHZ. 2023-05-14T07:52:29.88 0.6 positive manual P 133 27.1506 108 -0.06 49
IV.MML1.EHZ. 2023-05-14T07:52:29.48 0.6 positive manual P 325 25.6521 109 -0.17 48
IV.NRCA.HNZ. 2023-05-14T07:52:29.07 0.6 undecidable manual S 197 10.4784 130 0.12 49
IV.CESI.HHZ. 2023-05-14T07:52:29.00 0.6 undecidable manual P 294 22.0668 112 0.03 49
7F.SIB3.EHZ. 2023-05-14T07:52:28.80 0.6 undecidable manual S 119 10.9779 128 -0.28 48
IV.FEMA.HNZ. 2023-05-14T07:52:28.79 0.6 undecidable manual S 297 9.3795 133 0.13 49
IV.CSP1.EHZ. 2023-05-14T07:52:28.27 0.1 positive manual P 13 19.1697 114 -0.17 97
IV.MMO1.EHZ. 2023-05-14T07:52:27.56 0.1 undecidable manual P 101 14.3745 121 -0.04 100
IV.NRCA.HNZ. 2023-05-14T07:52:27.09 0.1 negative manual P 197 10.4784 130 0.14 99
7F.SIB2.EHZ. 2023-05-14T07:52:27.25 0.3 undecidable manual P 106 12.7761 124 -0.08 75
IT.MTCL.HGZ. 2023-05-14T07:52:27.69 0.3 positive manual P 302 14.6742 121 0.05 75
IV.FDMO.HHZ. 2023-05-14T07:52:27.30 0.6 positive manual P 337 13.5753 123 -0.16 49
IV.FEMA.HNZ. 2023-05-14T07:52:26.91 0.3 negative manual P 297 9.3795 133 0.12 74
7F.SIB3.EHZ. 2023-05-14T07:52:26.93 0.1 undecidable manual P 119 10.9779 128 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.4 0.00337 1.84 AML other m 2023-05-14T07:52:29.03
IV.NRCA.HNN. ML:2.2 0.002395 0.4 AML other m 2023-05-14T07:52:29.58
IV.NRCA.HHN. ML:2.3 0.00259 0.4 AML other m 2023-05-14T07:52:29.38
IV.FEMA.HNE. ML:2.3 0.0027199999999999998 0.92 AML other m 2023-05-14T07:52:29.47
IV.NRCA.HNE. ML:2.4 0.0031799999999999997 0.38 AML other m 2023-05-14T07:52:29.34
IV.NRCA.HHE. ML:2.4 0.0033250000000000003 0.38 AML other m 2023-05-14T07:52:29.34
IV.MMO1.EHN. ML:2.1 0.00133 0.2 AML other m 2023-05-14T07:52:30.04
IV.FDMO.HHE. ML:2.0 0.001135 0.5 AML other m 2023-05-14T07:52:30.18
IV.MMO1.EHE. ML:2.1 0.0012250000000000002 0.42 AML other m 2023-05-14T07:52:30.26
IV.FDMO.HHN. ML:2.0 0.00123 0.22 AML other m 2023-05-14T07:52:30.82
IV.GUMA.HNN. ML:2.1 0.0009785 0.78 AML other m 2023-05-14T07:52:32.88
IV.CESI.HHN. ML:2.0 0.0007270000000000001 1.62 AML other m 2023-05-14T07:52:32.98
IV.CSP1.EHE. ML:2.2 0.00117 0.48 AML other m 2023-05-14T07:52:33.07
IV.CSP1.EHN. ML:2.2 0.0013599999999999999 0.64 AML other m 2023-05-14T07:52:33.14
IV.GUMA.HHN. ML:2.1 0.0009185 0.92 AML other m 2023-05-14T07:52:33.62
IV.MML1.HNE. ML:1.6 0.0002615 1.46 AML other m 2023-05-14T07:52:34.74
IV.GUMA.HNE. ML:2.0 0.0007115 1.34 AML other m 2023-05-14T07:52:34.81
IV.GUMA.HHE. ML:2.1 0.000975 1.36 AML other m 2023-05-14T07:52:34.16
IV.CESI.HHE. ML:1.7 0.00035749999999999996 1.06 AML other m 2023-05-14T07:52:34.16
IV.MTRA.HNN. ML:1.9 0.000443 0.28 AML other m 2023-05-14T07:52:35.62
IV.MTRA.EHN. ML:1.9 0.00047299999999999995 0.3 AML other m 2023-05-14T07:52:35.62
IV.MML1.EHE. ML:1.6 0.000246 1.14 AML other m 2023-05-14T07:52:35.86
IV.MML1.HNN. ML:1.9 0.0004385 0.18 AML other m 2023-05-14T07:52:36.01
IV.MML1.EHN. ML:1.9 0.000429 0.18 AML other m 2023-05-14T07:52:36.01
IV.GAVE.EHN. ML:1.9 0.00035549999999999997 0.5 AML other m 2023-05-14T07:52:36.55
IV.MTRA.HNE. ML:2.0 0.0005250000000000001 0.6 AML other m 2023-05-14T07:52:37.70
IV.MTRA.EHE. ML:2.0 0.000501 0.46 AML other m 2023-05-14T07:52:37.70
IV.LNSS.HHE. ML:1.8 0.0002225 1.02 AML other m 2023-05-14T07:52:38.17
IV.LNSS.HHN. ML:1.7 0.00020800000000000001 0.96 AML other m 2023-05-14T07:52:38.77
IV.GAVE.EHE. ML:2.0 0.0004325 0.36 AML other m 2023-05-14T07:52:39.35
IV.ASSB.HHE. ML:1.7 0.0001785 0.22 AML other m 2023-05-14T07:52:39.81
IV.SNTG.HHN. ML:1.6 0.00014000000000000001 1.14 AML other m 2023-05-14T07:52:39.92
IV.CAMP.HHE. ML:1.5 0.0000781 0.22 AML other m 2023-05-14T07:52:40.22
IV.CAMP.HHN. ML:1.7 0.00013000000000000002 0.2 AML other m 2023-05-14T07:52:40.46
IV.RM33.EHN. ML:1.7 0.000133 0.3 AML other m 2023-05-14T07:52:40.73
IV.TERO.HHN. ML:1.8 0.00016849999999999998 1.48 AML other m 2023-05-14T07:52:40.81
IV.EL6.EHE. ML:1.8 0.00019999999999999998 1.68 AML other m 2023-05-14T07:52:40.90
IV.TERO.HHE. ML:1.7 0.00013550000000000001 1.18 AML other m 2023-05-14T07:52:41.98
IV.ASSB.HHN. ML:1.8 0.00018449999999999999 1.38 AML other m 2023-05-14T07:52:42.71
IV.SNTG.HHE. ML:1.6 0.0001375 1.28 AML other m 2023-05-14T07:52:42.05
IV.EL6.EHN. ML:1.9 0.000214 0.42 AML other m 2023-05-14T07:52:42.38
IV.CING.HHE. ML:1.5 0.0000898 0.92 AML other m 2023-05-14T07:52:42.95
IV.ATCC.EHN. ML:1.8 0.000144 0.48 AML other m 2023-05-14T07:52:42.70
IV.ATCC.EHE. ML:1.8 0.000166 0.56 AML other m 2023-05-14T07:52:42.84
IV.SMA1.EHN. ML:1.7 0.00019700000000000002 0.52 AML other m 2023-05-14T07:52:43.23
IV.ARRO.EHN. ML:1.4 0.0000762 0.54 AML other m 2023-05-14T07:52:43.31
IV.CING.HHN. ML:1.4 0.00007199999999999999 0.6 AML other m 2023-05-14T07:52:43.34
IV.MOMA.HHE. ML:1.9 0.00022700000000000002 0.64 AML other m 2023-05-14T07:52:43.36
IV.MNTT.EHN. ML:2.0 0.0003935 0.32 AML other m 2023-05-14T07:52:43.74
IV.MOMA.HHN. ML:1.8 0.0001575 0.2 AML other m 2023-05-14T07:52:44.11
IV.SMA1.EHE. ML:1.7 0.0002 0.38 AML other m 2023-05-14T07:52:44.24
IV.ARRO.EHE. ML:1.5 0.00009245000000000001 0.2 AML other m 2023-05-14T07:52:44.66
IV.MNTT.EHE. ML:2.1 0.0004325 0.68 AML other m 2023-05-14T07:52:44.67
IV.RM33.EHE. ML:1.6 0.0001115 0.6 AML other m 2023-05-14T07:52:45.08
IV.FOSV.EHE. ML:1.6 0.0000955 1.44 AML other m 2023-05-14T07:52:45.13
IV.CESX.HHN. ML:1.9 0.00017099999999999998 0.26 AML other m 2023-05-14T07:52:45.54
IV.FOSV.EHN. ML:1.7 0.0001235 0.38 AML other m 2023-05-14T07:52:45.65
IV.CESX.HHE. ML:1.8 0.0001225 0.92 AML other m 2023-05-14T07:52:45.69
IV.ARVD.HHN. ML:1.4 0.000046450000000000004 0.56 AML other m 2023-05-14T07:52:46.91
IV.MURB.HHN. ML:2.0 0.000176 0.24 AML other m 2023-05-14T07:52:47.65
IV.ARVD.HHE. ML:1.6 0.00006375 1.54 AML other m 2023-05-14T07:52:49.83
IV.MURB.HHE. ML:1.9 0.000167 0.3 AML other m 2023-05-14T07:52:50.14
IV.MPAG.EHE. ML:1.5 0.0000409 0.5 AML other m 2023-05-14T07:52:52.70
IV.MPAG.EHN. ML:1.5 0.0000424 0.92 AML other m 2023-05-14T07:52:55.48
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