Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 09-03-2024 and time 04:21:53 (Italy) in region 5 km NW Massa Martana (PG)

A magnitude ML 1.8 earthquake occured in region: 5 km NW Massa Martana (PG), on

  • 09-03-2024 03:21:53 (UTC)
  • 09-03-2024 04:21:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8160, 12.5000 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
Massa Martana PG 5 3770 3770
Giano dell'Umbria PG 7 3846 7616
Todi PG 8 16851 24467
Collazzone PG 10 3473 27940
Gualdo Cattaneo PG 12 6155 34095
Fratta Todina PG 12 1839 35934
Monte Castello di Vibio PG 12 1567 37501
Castel Ritaldi PG 14 3278 40779
Acquasparta TR 14 4778 45557
Montefalco PG 15 5679 51236
Bevagna PG 16 5081 56317
Marsciano PG 17 18902 75219
Montecastrilli TR 18 5022 80241
Avigliano Umbro TR 19 2558 82799
Deruta PG 20 9669 92468
San Venanzo TR 20 2218 94686

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Foligno (57155 inhabitants)
31 Km NW of Terni (111501 inhabitants)
34 Km S of Perugia (166134 inhabitants)
55 Km NE of Viterbo (67173 inhabitants)
88 Km SE of Arezzo (99543 inhabitants)
90 Km NW of L'Aquila (69753 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 Km NE of Civitavecchia (52991 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 2024-03-09
03:21:53		 42.8158 12.4997 9 2024-03-09
03:28:45		 Sala Sismica INGV-Roma 125780091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-09 03:21:53 ± 0.06
Latitude 42.8158 ± 0.0036
Longitude 12.4997 ± 0.0049
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 125780091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 412
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 30
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) 0.58456
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 125780091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-09 03:28:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2024-03-09T03:22:54.68 3.0 undecidable manual Sn 0.23 0
IV.ATPI.EHZ. 2024-03-09T03:22:16.64 3.0 undecidable manual S 0.55 0
IV.SSFR.HHZ. 2024-03-09T03:22:16.52 3.0 undecidable manual S 0 0
IV.CSP1.EHZ. 2024-03-09T03:22:13.80 0.6 undecidable manual S 62 64.8906 50 0.43 43
IV.ATMI.HHZ. 2024-03-09T03:22:12.65 0.3 undecidable manual S 342 60.495 50 0.46 65
IV.FOSV.EHZ. 2024-03-09T03:22:11.84 0.6 undecidable manual S 22 57.1983 50 0.52 43
IV.FDMO.HHZ. 2024-03-09T03:22:10.50 0.6 undecidable manual S 63 53.6019 50 0.14 47
IV.PARC.HHZ. 2024-03-09T03:22:10.34 3.0 undecidable manual P 0.37 0
IV.MML1.EHZ. 2024-03-09T03:22:09.51 0.6 undecidable manual S 49 50.616 50 -0.04 48
IV.MURB.HHZ. 2024-03-09T03:22:09.35 0.6 undecidable manual S 2 49.617 50 0.05 48
IV.LNSS.HHZ. 2024-03-09T03:22:09.20 0.6 undecidable manual S 118 50.0166 50 -0.19 46
IV.CING.HHZ. 2024-03-09T03:22:08.00 3.0 positive manual P -0.06 0
IV.ARVD.HHZ. 2024-03-09T03:22:07.79 3.0 positive manual P -0.26 0
IV.PIEI.HHZ. 2024-03-09T03:22:07.74 3.0 positive manual P 0.29 0
IV.ATCC.EHZ. 2024-03-09T03:22:07.15 0.6 undecidable manual S 15 42.5241 50 -0.24 47
IV.FRON.EHZ. 2024-03-09T03:22:07.38 3.0 undecidable manual P -0.07 0
IV.GUMA.HHZ. 2024-03-09T03:22:06.39 3.0 negative manual P 0.13 0
IV.CESI.HHZ. 2024-03-09T03:22:06.63 0.6 undecidable manual S 57 39.0276 50 0.17 48
IV.SSFR.HHZ. 2024-03-09T03:22:06.49 3.0 negative manual P 0.29 0
IV.RM33.EHZ. 2024-03-09T03:22:05.12 3.0 negative manual P -0.16 0
IV.GAVE.EHZ. 2024-03-09T03:22:05.34 0.6 undecidable manual S 113 34.9428 50 -0.03 49
IV.SMA1.EHZ. 2024-03-09T03:22:05.62 3.0 undecidable manual P -0.28 0
IV.MMO1.EHZ. 2024-03-09T03:22:05.06 3.0 negative manual P -0.31 0
IV.CAFI.HHZ. 2024-03-09T03:22:05.49 3.0 positive manual P -0.63 0
IV.MGAB.HHZ. 2024-03-09T03:22:04.87 0.3 undecidable manual S 289 33.3444 50 -0.06 74
IV.CSP1.EHZ. 2024-03-09T03:22:04.61 1.0 undecidable manual P 62 64.8906 50 -0.18 23
IV.ATMI.HHZ. 2024-03-09T03:22:03.99 1.0 negative manual P 342 60.495 50 -0.12 23
IV.FOSV.EHZ. 2024-03-09T03:22:03.51 0.6 positive manual P 22 57.1983 50 -0.09 47
IV.MURB.HHZ. 2024-03-09T03:22:02.36 0.3 negative manual P 2 49.617 50 -0.08 71
IV.NRCA.HHZ. 2024-03-09T03:22:02.30 3.0 positive manual P -0.07 0
IV.LNSS.HHZ. 2024-03-09T03:22:02.40 0.1 undecidable manual P 118 50.0166 50 -0.09 95
IV.SACS.HHZ. 2024-03-09T03:22:02.30 3.0 positive manual P 0.05 0
IV.FDMO.HHZ. 2024-03-09T03:22:02.87 0.6 positive manual P 63 53.6019 50 -0.18 46
IV.MML1.EHZ. 2024-03-09T03:22:02.34 1.0 positive manual P 49 50.616 50 -0.24 23
IV.ASSB.HHZ. 2024-03-09T03:22:02.83 0.6 undecidable manual S 27 28.2495 107 -0.51 45
IV.ATCC.EHZ. 2024-03-09T03:22:01.05 1.0 positive manual P 15 42.5241 50 -0.29 23
IV.CESX.HHZ. 2024-03-09T03:22:01.88 0.6 undecidable manual S 163 24.0537 110 -0.07 50
IV.CESI.HHZ. 2024-03-09T03:22:00.55 1.0 positive manual P 57 39.0276 50 -0.25 23
IV.MGAB.HHZ. 2024-03-09T03:21:59.75 0.6 positive manual P 289 33.3444 50 -0.17 48
IV.GAVE.EHZ. 2024-03-09T03:21:59.98 0.6 positive manual P 113 34.9428 50 -0.19 48
IV.CESX.HHZ. 2024-03-09T03:21:58.26 0.1 undecidable manual P 163 24.0537 110 0.06 100
IV.ASSB.HHZ. 2024-03-09T03:21:58.77 0.1 positive manual P 27 28.2495 107 -0.23 96
IT.GNU.HGZ. 2024-03-09T03:21:56.66 0.6 undecidable manual S 103 5.8941 146 -0.06 52
IV.MOMA.HNZ. 2024-03-09T03:21:56.69 0.6 undecidable manual S 103 5.8941 146 -0.03 52
IT.GNU.HGZ. 2024-03-09T03:21:55.47 0.1 positive manual P 103 5.8941 146 0.29 98
IV.MOMA.HNZ. 2024-03-09T03:21:55.47 0.1 positive manual P 103 5.8941 146 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHE. ML:2.4 0.005059999999999999 0.32 AML other m 2024-03-09T03:21:56.99
IV.MOMA.HNE. ML:2.4 0.004735 1.76 AML other m 2024-03-09T03:21:57.00
IV.MOMA.HHN. ML:2.3 0.00359 1.22 AML other m 2024-03-09T03:21:57.89
IV.MOMA.HNN. ML:2.3 0.0036399999999999996 0.72 AML other m 2024-03-09T03:21:57.29
IV.ASSB.HHN. ML:1.7 0.0002615 0.3 AML other m 2024-03-09T03:22:03.09
IV.CESX.HHN. ML:1.7 0.000307 1.1 AML other m 2024-03-09T03:22:03.98
IV.CESX.HHE. ML:1.9 0.00047250000000000005 0.5 AML other m 2024-03-09T03:22:03.60
IV.ASSB.HHE. ML:1.6 0.0002215 0.7 AML other m 2024-03-09T03:22:04.47
IV.GAVE.EHN. ML:1.8 0.0002915 0.42 AML other m 2024-03-09T03:22:06.06
IV.MGAB.HHN. ML:1.8 0.000264 0.48 AML other m 2024-03-09T03:22:06.51
IV.GAVE.EHE. ML:1.9 0.00032950000000000004 0.42 AML other m 2024-03-09T03:22:06.46
IV.MGAB.HHE. ML:1.7 0.0002395 0.5 AML other m 2024-03-09T03:22:06.52
IV.CESI.HHN. ML:1.4 0.0000982 0.22 AML other m 2024-03-09T03:22:06.82
IV.CESI.HHE. ML:1.3 0.00007355 0.76 AML other m 2024-03-09T03:22:07.43
IV.ATCC.EHE. ML:1.7 0.0001595 0.38 AML other m 2024-03-09T03:22:08.67
IV.LNSS.HHN. ML:1.8 0.00015 0.94 AML other m 2024-03-09T03:22:09.41
IV.ATCC.EHN. ML:1.6 0.0001385 0.86 AML other m 2024-03-09T03:22:10.29
IV.MURB.HNE. ML:2.2 0.00039200000000000004 0.28 AML other m 2024-03-09T03:22:10.78
IV.MURB.HHE. ML:2.3 0.00048750000000000003 0.3 AML other m 2024-03-09T03:22:10.78
IV.MURB.HHN. ML:2.1 0.00033150000000000003 0.2 AML other m 2024-03-09T03:22:11.06
IV.NRCA.HHN. ML:1.9 0.00019700000000000002 1.06 AML other m 2024-03-09T03:22:11.74
IV.NRCA.HHE. ML:1.9 0.00020600000000000002 0.14 AML other m 2024-03-09T03:22:11.31
IV.SACS.HHN. ML:1.6 0.00010819999999999999 0.68 AML other m 2024-03-09T03:22:11.43
IV.MML1.EHE. ML:1.5 0.00007580000000000001 0.8 AML other m 2024-03-09T03:22:11.59
IV.LNSS.HHE. ML:1.8 0.00017099999999999998 1.52 AML other m 2024-03-09T03:22:12.00
IV.FDMO.HHN. ML:1.5 0.00007835000000000001 0.12 AML other m 2024-03-09T03:22:12.35
IV.MURB.HNN. ML:2.1 0.000333 0.64 AML other m 2024-03-09T03:22:13.56
IV.MML1.EHN. ML:1.3 0.00005435 0.98 AML other m 2024-03-09T03:22:13.99
IV.SACS.HHE. ML:1.4 0.00006965 0.42 AML other m 2024-03-09T03:22:14.26
IV.ATMI.HHE. ML:2.0 0.00021500000000000002 0.26 AML other m 2024-03-09T03:22:14.77
IV.ATMI.HHN. ML:2.0 0.0001805 0.22 AML other m 2024-03-09T03:22:15.45
IV.MMO1.EHN. ML:1.8 0.00011 1.68 AML other m 2024-03-09T03:22:16.96
IV.FDMO.HHE. ML:1.4 0.00005865 0.94 AML other m 2024-03-09T03:22:16.85
IV.MMO1.EHE. ML:1.8 0.00010265 0.82 AML other m 2024-03-09T03:22:16.09
IV.RM33.EHN. ML:1.6 0.00007605 1.56 AML other m 2024-03-09T03:22:16.07
IV.SMA1.EHN. ML:1.9 0.0001255 0.28 AML other m 2024-03-09T03:22:17.02
IV.GUMA.HNN. ML:2.4 0.000406 0.62 AML other m 2024-03-09T03:22:17.57
IV.GUMA.HNE. ML:2.3 0.000308 0.82 AML other m 2024-03-09T03:22:17.57
IV.PIEI.HHE. ML:1.5 0.000046 0.32 AML other m 2024-03-09T03:22:20.65
IV.RM33.EHE. ML:1.6 0.00007055000000000001 0.46 AML other m 2024-03-09T03:22:21.01
IV.SMA1.EHE. ML:2.0 0.00016350000000000002 0.64 AML other m 2024-03-09T03:22:22.25
IV.PIEI.HHN. ML:1.3 0.00002775 0.7 AML other m 2024-03-09T03:22:22.05
IV.PARC.HHE. ML:1.4 0.00002965 1.12 AML other m 2024-03-09T03:22:28.00
IV.PARC.HHN. ML:1.5 0.0000368 0.42 AML other m 2024-03-09T03:22:29.47
IV.ARVD.HHN. ML:1.3 0.000023800000000000003 0.62 AML other m 2024-03-09T03:22:30.43
IV.ARVD.HHE. ML:1.3 0.0000246 1.52 AML other m 2024-03-09T03:22:33.15
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