Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 01-01-2024 and time 02:35:11 (Italy) in region 8 km E Massa Martana (PG)

A magnitude ML 1.7 earthquake occured in region: 8 km E Massa Martana (PG), on

  • 01-01-2024 01:35:11 (UTC)
  • 01-01-2024 02:35:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7610, 12.6210 at 10 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 8 3770 3770
Castel Ritaldi PG 8 3278 7048
Giano dell'Umbria PG 9 3846 10894
Acquasparta TR 10 4778 15672
Spoleto PG 10 38218 53890
Campello sul Clitunno PG 14 2442 56332
Montefalco PG 15 5679 62011
Montecastrilli TR 16 5022 67033
Trevi PG 17 8469 75502
Gualdo Cattaneo PG 17 6155 81657
San Gemini TR 17 5018 86675
Todi PG 18 16851 103526
Sant'Anatolia di Narco PG 18 564 104090
Scheggino PG 18 461 104551
Bevagna PG 19 5081 109632
Avigliano Umbro TR 20 2558 112190
Vallo di Nera PG 20 364 112554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Terni (111501 inhabitants)
23 Km SW of Foligno (57155 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
57 Km NE of Viterbo (67173 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km W of Teramo (54892 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
97 Km N of Roma (2864731 inhabitants)
99 Km SE of Arezzo (99543 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 1.7 2024-01-01
01:35:11		 42.7613 12.6212 10 2024-01-01
01:45:08		 Sala Sismica INGV-Roma 124387001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-01 01:35:11 ± 0.06
Latitude 42.7613 ± 0.0027
Longitude 12.6212 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124387001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 754
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 124387001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-01 01:45:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2024-01-01T01:36:16.16 3.0 undecidable manual Sn 1.87 0
IV.BSSO.HHZ. 2024-01-01T01:36:13.24 3.0 undecidable manual Sg 5.57 0
IV.CERA.HNZ. 2024-01-01T01:35:58.42 3.0 undecidable manual Sn -0.81 0
IV.SBPO.HNZ. 2024-01-01T01:35:51.78 3.0 undecidable manual Pn -0.54 0
IV.VITU.HHZ. 2024-01-01T01:35:47.59 3.0 undecidable manual Pn 0.91 0
IV.VAGA.HNZ. 2024-01-01T01:35:41.89 3.0 undecidable manual Pn 0.32 0
IV.FIAM.HHZ. 2024-01-01T01:35:32.67 0.3 undecidable manual S 143 68.0763 50 0.24 66
IV.MMO1.EHZ. 2024-01-01T01:35:30.42 0.3 undecidable manual S 75 59.3961 50 0.32 66
IV.SMA1.EHZ. 2024-01-01T01:35:30.46 0.6 undecidable manual S 104 59.9955 50 0.2 45
IV.SNTG.HHZ. 2024-01-01T01:35:30.98 0.3 undecidable manual S 25 60.5949 50 0.57 61
IV.CSP1.EHZ. 2024-01-01T01:35:30.69 0.6 undecidable manual S 52 59.8956 50 0.45 43
IV.RM33.EHZ. 2024-01-01T01:35:29.39 0.3 undecidable manual S 120 55.8996 50 0.21 68
IV.CERT.HHZ. 2024-01-01T01:35:27.63 0.3 undecidable manual P 162 94.8384 50 -0.13 64
IV.ATCC.EHZ. 2024-01-01T01:35:27.19 0.6 undecidable manual S 2 47.0196 50 0.39 44
IV.MML1.EHZ. 2024-01-01T01:35:26.78 0.3 undecidable manual S 36 48.3183 50 -0.37 66
IV.FDMO.HHZ. 2024-01-01T01:35:26.96 0.6 undecidable manual S 51 48.618 50 -0.27 45
IV.LNSS.HHZ. 2024-01-01T01:35:24.24 0.3 undecidable manual S 117 38.4282 50 -0.27 69
IV.NRCA.HHZ. 2024-01-01T01:35:24.98 0.3 undecidable manual S 79 40.9257 50 -0.19 70
IV.CESI.HHZ. 2024-01-01T01:35:23.45 0.3 undecidable manual S 40 35.5422 50 -0.27 69
IV.FIAM.HHZ. 2024-01-01T01:35:23.41 0.1 undecidable manual P 143 68.0763 50 -0.23 88
IV.GUMA.HHZ. 2024-01-01T01:35:23.89 0.3 undecidable manual P 60 66.9774 50 0.43 63
IV.CSP1.EHZ. 2024-01-01T01:35:22.74 0.3 undecidable manual P 52 59.8956 50 0.36 65
IV.MMO1.EHZ. 2024-01-01T01:35:22.35 0.3 undecidable manual P 75 59.3961 50 0.05 69
IV.SMA1.EHZ. 2024-01-01T01:35:22.51 0.1 undecidable manual P 104 59.9955 50 0.12 91
IV.ASSB.HHZ. 2024-01-01T01:35:22.40 0.3 undecidable manual S 6 31.3464 50 -0.21 71
IV.SNTG.HHZ. 2024-01-01T01:35:22.36 0.3 undecidable manual P 25 60.5949 50 -0.12 68
IV.RM33.EHZ. 2024-01-01T01:35:21.56 0.1 undecidable manual P 120 55.8996 50 -0.2 90
IV.GAVE.HNN. 2024-01-01T01:35:20.37 0.6 undecidable manual S 109 23.5542 50 -0.16 48
IV.FDMO.HHZ. 2024-01-01T01:35:20.48 0.3 undecidable manual P 51 48.618 50 -0.16 69
IV.MML1.EHZ. 2024-01-01T01:35:20.50 0.3 undecidable manual P 36 48.3183 50 -0.09 70
IV.ARRO.EHZ. 2024-01-01T01:35:20.78 0.3 undecidable manual S 150 23.3544 50 0.29 71
IV.ATCC.EHZ. 2024-01-01T01:35:20.41 0.3 undecidable manual P 2 47.0196 50 0.02 71
IV.NRCA.HHZ. 2024-01-01T01:35:19.31 0.1 undecidable manual P 79 40.9257 50 -0.14 94
IV.CESX.HHZ. 2024-01-01T01:35:18.52 0.1 undecidable manual S 189 17.1717 121 -0.08 99
IV.CESI.HHZ. 2024-01-01T01:35:18.47 0.3 undecidable manual P 40 35.5422 50 -0.14 71
IV.LNSS.HHZ. 2024-01-01T01:35:18.87 0.1 undecidable manual P 117 38.4282 50 -0.19 93
IV.ASSB.HHZ. 2024-01-01T01:35:17.81 0.1 undecidable manual P 6 31.3464 50 -0.16 95
IV.GAVE.HNN. 2024-01-01T01:35:16.75 0.3 undecidable manual P 109 23.5542 50 -0.02 75
IV.ARRO.EHZ. 2024-01-01T01:35:16.85 0.3 undecidable manual P 150 23.3544 50 0.1 73
IT.GNU.HGZ. 2024-01-01T01:35:15.89 0.3 undecidable manual S 319 6.2937 149 0.05 76
IV.CESX.HHZ. 2024-01-01T01:35:15.70 0.1 undecidable manual P 189 17.1717 121 0.05 100
IT.GNU.HGZ. 2024-01-01T01:35:14.22 0.3 undecidable manual P 319 6.2937 149 0.16 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IT.GNU.HGN. ML:3.7 0.070937905 0.1 AML other m 2024-01-01T01:35:17.19
IT.GNU.HGE. ML:3.8 0.105000045 0.0896 AML other m 2024-01-01T01:35:16.25
IV.CESX.HHE. ML:1.9 0.000672 0.26 AML other m 2024-01-01T01:35:19.83
IV.CESX.HHN. ML:1.8 0.00058684635 0.26 AML other m 2024-01-01T01:35:20.76
IV.ARRO.EHE. ML:1.8 0.00043500000000000006 1.8 AML other m 2024-01-01T01:35:20.04
IV.ARRO.EHN. ML:1.8 0.00035250665 0.3 AML other m 2024-01-01T01:35:21.29
IV.NRCA.HNE. ML:1.9 0.0002576769 0.78 AML other m 2024-01-01T01:35:20.67
IV.ASSB.HHN. ML:1.5 0.0001530871 0.2 AML other m 2024-01-01T01:35:22.49
IV.ASSB.HHE. ML:1.4 0.000132357325 0.1 AML other m 2024-01-01T01:35:23.13
IV.CESI.HHN. ML:1.6 0.0001531384 0.22 AML other m 2024-01-01T01:35:24.09
IV.CESI.HHE. ML:1.6 0.00013785 1.76 AML other m 2024-01-01T01:35:24.99
IV.LNSS.HHE. ML:2.0 0.000321 1.02 AML other m 2024-01-01T01:35:24.09
IV.LNSS.HNN. ML:1.9 0.000258553255 0.1504 AML other m 2024-01-01T01:35:25.62
IV.LNSS.HNE. ML:1.9 0.00030111565 0.2592 AML other m 2024-01-01T01:35:25.08
IV.LNSS.HHN. ML:1.9 0.00027449999999999995 0.16 AML other m 2024-01-01T01:35:25.62
IV.NRCA.HHN. ML:1.6 0.00014250000000000002 0.68 AML other m 2024-01-01T01:35:26.40
IV.NRCA.HHE. ML:1.6 0.00014050000000000003 0.36 AML other m 2024-01-01T01:35:26.68
IV.FDMO.HHE. ML:1.5 0.00008695 0.1 AML other m 2024-01-01T01:35:28.24
IV.MML1.EHN. ML:1.4 0.00007680000000000001 0.12 AML other m 2024-01-01T01:35:28.44
IV.ATCC.EHN. ML:1.6 0.000107867945 0.14 AML other m 2024-01-01T01:35:28.17
IV.FDMO.HHN. ML:1.5 0.00008864288 0.12 AML other m 2024-01-01T01:35:28.31
IV.MML1.EHE. ML:1.4 0.00007535 0.76 AML other m 2024-01-01T01:35:29.59
IV.ATCC.EHE. ML:1.6 0.00011649999999999999 1.02 AML other m 2024-01-01T01:35:30.68
IV.NRCA.HNN. ML:1.9 0.00025091149000000003 0.4896 AML other m 2024-01-01T01:35:30.82
IV.MMO1.EHE. ML:1.3 0.000044936167 0.18 AML other m 2024-01-01T01:35:31.21
IV.RM33.EHN. ML:1.6 0.00009640435 0.18 AML other m 2024-01-01T01:35:31.16
IV.MMO1.EHN. ML:1.5 0.000059420585 0.1 AML other m 2024-01-01T01:35:30.83
IV.SMA1.EHE. ML:1.6 0.00007733844500000001 0.3 AML other m 2024-01-01T01:35:31.50
IV.SNTG.HHE. ML:1.2 0.0000370060521 0.12 AML other m 2024-01-01T01:35:32.42
IV.SMA1.EHN. ML:1.7 0.00010298219 0.26 AML other m 2024-01-01T01:35:32.44
IV.RM33.EHE. ML:1.6 0.00008690000000000001 0.2 AML other m 2024-01-01T01:35:32.79
IV.SNTG.HHN. ML:1.2 0.00003419032499999999 0.16 AML other m 2024-01-01T01:35:32.75
IV.VAGA.HNE. ML:3.1 0.00038871151 0.3896 AML other m 2024-01-01T01:35:58.36
IV.VAGA.HNN. ML:3.2 0.00042040430000000003 0.3704 AML other m 2024-01-01T01:35:58.37
IV.CESI.HNE. ML:1.7 0.00018297740000000002 0.3 AML other m 2024-01-01T01:35:25.76
IV.CESI.HNN. ML:1.6 0.00016115310500000002 0.2096 AML other m 2024-01-01T01:35:24.09
IV.ATCC.HNE. ML:1.6 0.00011505227000000001 0.24 AML other m 2024-01-01T01:35:27.70
IV.ATCC.HNN. ML:1.6 0.0001139527715 0.24 AML other m 2024-01-01T01:35:29.25
IV.MML1.HNE. ML:1.6 0.000113345985 0.4408 AML other m 2024-01-01T01:35:36.73
IV.MML1.HNN. ML:1.6 0.000102738425 0.1304 AML other m 2024-01-01T01:35:28.38
IV.CSP1.EHE. ML:1.9 0.00015020595000000001 0.32 AML other m 2024-01-01T01:35:33.02
IV.CSP1.EHN. ML:1.8 0.000134326635 0.2 AML other m 2024-01-01T01:35:31.23
IV.FIAM.HHE. ML:1.4 0.00004307255 0.54 AML other m 2024-01-01T01:35:38.92
IV.FIAM.HHN. ML:1.4 0.000038338625 0.32 AML other m 2024-01-01T01:35:39.24
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