Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 15-04-2023 and time 18:05:27 (Italy) in region 5 km NW Visso (MC)

A magnitude ML 1.3 earthquake occured in region: 5 km NW Visso (MC), on

  • 15-04-2023 16:05:27 (UTC)
  • 15-04-2023 18:05:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 13.0540 at 11 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
Visso MC 5 1107 1107
Monte Cavallo MC 5 145 1252
Ussita MC 7 444 1696
Fiordimonte MC 8 202 1898
Pieve Torina MC 9 1458 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Fiastra MC 11 559 5505
Castelsantangelo sul Nera MC 12 281 5786
Acquacanina MC 12 121 5907
Muccia MC 13 915 6822
Sellano PG 14 1079 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 14 142 9113
Camerino MC 19 6974 16087
Norcia PG 20 4957 21044
Cerreto di Spoleto PG 20 1075 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
99 Km NE of Viterbo (67173 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 1.3 2023-04-15
16:05:27		 42.968 13.0542 11 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116462671
Reviewed
Rev100 		ML 1.4 2023-04-15
16:05:27		 42.965 13.0467 10 2023-04-15
16:12:54		 Sala Sismica INGV-Roma 116413401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-15 16:05:27 ± 0.05
Latitude 42.9680 ± 0.0018
Longitude 13.0542 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116462671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00630
Epicentral distance of station farthest from the epicenter (degree) 0.68169
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 116413401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-15 16:12:54

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 116462671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-23 15:24:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-04-15T16:05:40.50 0.6 undecidable manual P 327 75.6687 90 0.28 41
IV.LNSS.HHZ. 2023-04-15T16:05:40.88 0.6 undecidable manual S 182 40.5261 90 0.47 43
IV.MF5.EHZ. 2023-04-15T16:05:39.51 0.6 undecidable manual S 86 32.9448 90 1.11 34
IV.SNTG.HHZ. 2023-04-15T16:05:38.38 0.3 undecidable manual S 344 33.1446 90 -0.06 72
IV.ASSB.HHZ. 2023-04-15T16:05:38.27 0.3 undecidable manual S 285 33.1446 90 -0.17 71
IV.GAVE.EHZ. 2023-04-15T16:05:38.48 0.6 undecidable manual S 203 33.2445 90 0.01 47
IV.ATFO.HHZ. 2023-04-15T16:05:37.61 0.3 undecidable manual P 319 58.9965 90 -0.04 68
IV.RM33.EHZ. 2023-04-15T16:05:37.13 0.3 undecidable manual P 166 52.6029 90 0.47 63
IV.GUMA.HHZ. 2023-04-15T16:05:36.94 0.6 undecidable manual S 65 25.0527 90 0.65 42
7F.SIB2.EHZ. 2023-04-15T16:05:35.27 0.6 undecidable manual S 113 21.9669 90 -0.2 47
IV.SMA1.EHZ. 2023-04-15T16:05:35.81 0.3 undecidable manual P 148 43.9227 90 0.49 64
IV.MMO1.EHZ. 2023-04-15T16:05:35.76 0.3 undecidable manual S 109 23.4543 90 -0.08 71
IV.MOMA.HHZ. 2023-04-15T16:05:35.00 0.3 undecidable manual P 245 43.3233 90 -0.24 68
IV.PF6.EHZ. 2023-04-15T16:05:35.23 0.6 undecidable manual S 31 21.9669 90 -0.24 47
7F.SIB1.EHZ. 2023-04-15T16:05:34.75 0.6 undecidable manual S 115 19.3695 90 0 49
IV.MF5.EHZ. 2023-04-15T16:05:34.04 0.3 undecidable manual P 86 32.9448 90 0.4 67
IV.LNSS.HHZ. 2023-04-15T16:05:34.86 0.3 undecidable manual P 182 40.5261 90 0.06 70
IV.CSP1.EHZ. 2023-04-15T16:05:34.47 0.6 undecidable manual S 42 18.3705 90 -0.03 49
7F.SIB3.EHZ. 2023-04-15T16:05:34.86 0.6 undecidable manual S 120 20.3685 90 -0.16 47
IV.MML1.EHZ. 2023-04-15T16:05:33.88 0.6 undecidable manual S 338 17.4714 90 -0.38 46
IV.SNTG.HHZ. 2023-04-15T16:05:33.45 0.3 undecidable manual P 344 33.1446 90 -0.21 70
IV.ASSB.HHZ. 2023-04-15T16:05:33.36 0.1 positive manual P 285 33.1446 90 -0.3 92
IV.GAVE.EHZ. 2023-04-15T16:05:33.51 0.3 undecidable manual P 203 33.2445 90 -0.17 70
IV.NRCA.HHZ. 2023-04-15T16:05:33.44 0.6 undecidable manual S 162 15.6732 90 -0.34 46
IV.GUMA.HHZ. 2023-04-15T16:05:32.66 0.1 positive manual P 65 25.0527 90 0.24 93
IV.CESI.HHZ. 2023-04-15T16:05:32.85 0.6 undecidable manual S 289 12.7761 101 -0.16 49
IV.MMO1.EHZ. 2023-04-15T16:05:32.10 0.1 positive manual P 109 23.4543 90 -0.06 96
IV.CSP1.EHZ. 2023-04-15T16:05:31.35 0.1 positive manual P 42 18.3705 90 -0.04 98
7F.SIB3.EHZ. 2023-04-15T16:05:31.55 0.1 undecidable manual P 120 20.3685 90 -0.14 95
7F.SIB2.EHZ. 2023-04-15T16:05:31.81 0.1 undecidable manual P 113 21.9669 90 -0.14 95
IT.MTCL.HGZ. 2023-04-15T16:05:31.18 0.6 undecidable manual S 303 5.2947 146 -0.22 49
7F.SIB1.EHZ. 2023-04-15T16:05:31.55 0.1 undecidable manual P 115 19.3695 90 0.02 98
IV.FEMA.HNZ. 2023-04-15T16:05:31.21 0.3 undecidable manual S 208 0.6993 175 0.22 72
IV.FDMO.HHZ. 2023-04-15T16:05:31.79 0.6 undecidable manual S 19 8.0808 130 -0.1 49
IV.PF6.EHZ. 2023-04-15T16:05:31.74 0.1 undecidable manual P 31 21.9669 90 -0.21 94
IV.MML1.EHZ. 2023-04-15T16:05:31.11 0.1 undecidable manual P 338 17.4714 90 -0.14 97
IV.NRCA.HHZ. 2023-04-15T16:05:30.89 0.1 undecidable manual P 162 15.6732 90 -0.08 98
IV.CESI.HHZ. 2023-04-15T16:05:30.53 0.1 positive manual P 289 12.7761 101 0 98
IV.FDMO.HHZ. 2023-04-15T16:05:29.88 0.1 undecidable manual P 19 8.0808 130 0 100
IV.FEMA.HNZ. 2023-04-15T16:05:29.56 0.1 undecidable manual P 208 0.6993 175 0.19 97
IT.MTCL.HGZ. 2023-04-15T16:05:29.59 0.1 undecidable manual P 303 5.2947 146 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.7 0.0006450000000000001 0.18 AML other m 2023-04-15T16:05:31.94
IV.FDMO.HHE. ML:1.5 0.0004125 0.24 AML other m 2023-04-15T16:05:31.87
IV.CESI.HHN. ML:2.1 0.00121 0.12 AML other m 2023-04-15T16:05:33.22
IV.CESI.HHE. ML:1.8 0.000727 0.3 AML other m 2023-04-15T16:05:33.28
IV.NRCA.HHE. ML:1.1 0.0001190752 0.128 AML other m 2023-04-15T16:05:33.74
IV.MML1.HNN. ML:1.3 0.0001632382 0.1536 AML other m 2023-04-15T16:05:34.35
IV.MML1.EHN. ML:1.3 0.00017299999999999998 0.5 AML other m 2023-04-15T16:05:34.28
IV.MML1.EHE. ML:1.2 0.000122 0.76 AML other m 2023-04-15T16:05:34.66
IV.NRCA.HHN. ML:1.4 0.000237 1.4 AML other m 2023-04-15T16:05:34.06
IV.CSP1.EHE. ML:1.8 0.000519 1.56 AML other m 2023-04-15T16:05:34.80
IV.CSP1.EHN. ML:2.0 0.0007475 1.76 AML other m 2023-04-15T16:05:34.02
IV.MMO1.EHN. ML:1.4 0.000145 0.82 AML other m 2023-04-15T16:05:36.48
IV.MMO1.EHE. ML:1.4 0.0001675 1.06 AML other m 2023-04-15T16:05:36.84
IV.GUMA.HHN. ML:1.7 0.00026049999999999994 0.56 AML other m 2023-04-15T16:05:37.10
IV.MML1.HNE. ML:1.2 0.000117283315 0.5248 AML other m 2023-04-15T16:05:37.90
IV.ASSB.HHE. ML:1.3 0.0000812 1.08 AML other m 2023-04-15T16:05:38.30
IV.GAVE.EHE. ML:1.6 0.00016249999999999997 1.8 AML other m 2023-04-15T16:05:39.00
IV.ASSB.HHN. ML:1.3 0.00008985 0.36 AML other m 2023-04-15T16:05:39.31
IV.GUMA.HHE. ML:1.5 0.000191 0.22 AML other m 2023-04-15T16:05:39.03
IV.SNTG.HHE. ML:1.0 0.00004405000000000001 0.64 AML other m 2023-04-15T16:05:39.59
IV.GAVE.EHN. ML:1.4 0.00009875 0.16 AML other m 2023-04-15T16:05:40.16
IV.SNTG.HHN. ML:1.0 0.0000459 1.58 AML other m 2023-04-15T16:05:40.87
IV.LNSS.HHE. ML:1.4 0.00007405000000000001 0.58 AML other m 2023-04-15T16:05:41.18
IV.LNSS.HHN. ML:1.2 0.00006245 0.44 AML other m 2023-04-15T16:05:41.02
IV.SMA1.EHN. ML:1.0 0.0000306970855 2.4832 AML other m 2023-04-15T16:05:42.58
IV.MOMA.HHN. ML:0.8 0.000018805607 2.3424 AML other m 2023-04-15T16:05:42.05
IV.MOMA.HHE. ML:1.0 0.000037211564 0.1152 AML other m 2023-04-15T16:05:42.69
IV.SMA1.EHE. ML:0.9 0.000023263778999999998 0.8192 AML other m 2023-04-15T16:05:42.74
IV.RM33.EHN. ML:1.1 0.00003086799 1.92 AML other m 2023-04-15T16:05:44.56
IV.RM33.EHE. ML:0.8 0.000012819344999999999 1.7152 AML other m 2023-04-15T16:05:44.84
IV.PIEI.HHE. ML:0.5 0.0000027538250000000007 0.3968 AML other m 2023-04-15T16:05:50.72
IV.PIEI.HHN. ML:0.8 0.00000838074 0.3968 AML other m 2023-04-15T16:05:52.46
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