Earthquake with magnitude of ML 1.5 on date 02-04-2022 and time 04:13:45 (UTC) in region 3 km S Massa Martana (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km S Massa Martana (PG), on

  • 02-04-2022 04:13:45 (UTC)
  • 02-04-2022 06:13:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7490, 12.5250 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.

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 3 3770 3770
Acquasparta TR 7 4778 8548
Todi PG 10 16851 25399
Giano dell'Umbria PG 11 3846 29245
Montecastrilli TR 11 5022 34267
Avigliano Umbro TR 13 2558 36825
Castel Ritaldi PG 15 3278 40103
San Gemini TR 15 5018 45121
Monte Castello di Vibio PG 17 1567 46688
Spoleto PG 18 38218 84906
Fratta Todina PG 18 1839 86745
Collazzone PG 18 3473 90218
Gualdo Cattaneo PG 18 6155 96373
Montefalco PG 19 5679 102052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Terni (111501 inhabitants)
27 Km SW of Foligno (57155 inhabitants)
41 Km S of Perugia (166134 inhabitants)
50 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
94 Km NE of Civitavecchia (52991 inhabitants)
95 Km N of Roma (2864731 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
97 Km W of Teramo (54892 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 1.5 2022-04-02
04:13:45
42.7488 12.5253 9 2022-07-08
12:34:02
Bollettino Sismico Italiano INGV 105988301
Reviewed
Rev100
ML 1.5 2022-04-02
04:13:45
42.7508 12.503 9 2022-04-02
04:20:15
Sala Sismica INGV-Roma 102691791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-02 04:13:45 ± 0.07
Latitude 42.7488 ± 0.0036
Longitude 12.5253 ± 0.0049
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 105988301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
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) 137
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
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) 0.71676
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 102691791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-02 04:20:15

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 105988301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-13 14:51:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2022-04-02T04:14:06.73 0.3 undecidable manual S 75 67.2771 50 0.27 66
IV.CSP1.EHZ. 2022-04-02T04:14:06.79 0.6 undecidable manual S 55 67.0773 50 0.4 43
IV.MC2.EHZ. 2022-04-02T04:14:04.54 0.3 undecidable manual S 71 56.8986 50 0.85 56
IV.MML1.EHZ. 2022-04-02T04:14:03.10 0.3 undecidable manual S 42 54.3012 50 0.11 70
IV.ATCC.EHE. 2022-04-02T04:14:01.84 0.3 undecidable manual S 11 49.3173 50 0.19 69
IV.NRCA.HHZ. 2022-04-02T04:14:01.49 0.3 undecidable manual S 79 48.8178 50 -0.05 72
IV.MTCE.HHZ. 2022-04-02T04:14:01.68 3.0 undecidable manual P 0.55 0
IV.LNSS.HHZ. 2022-04-02T04:14:00.40 0.3 undecidable manual S 111 45.0216 50 -0.11 71
IV.CESI.HHZ. 2022-04-02T04:13:59.67 0.3 undecidable manual S 47 41.9247 50 -0.01 73
IV.EL6.EHZ. 2022-04-02T04:13:59.47 0.3 undecidable manual P 36 79.5648 50 -0.01 68
IV.MGAB.HHZ. 2022-04-02T04:13:58.93 0.6 undecidable manual S 299 38.2284 50 0.24 47
IV.CSP1.EHZ. 2022-04-02T04:13:57.38 0.6 undecidable manual P 55 67.0773 50 -0.17 45
IV.ASSB.HHZ. 2022-04-02T04:13:57.25 0.3 undecidable manual S 18 34.3434 50 -0.41 68
IV.ATLO.EHE. 2022-04-02T04:13:57.38 0.6 undecidable manual P 351 63.492 50 0.37 43
IV.MMO1.EHZ. 2022-04-02T04:13:57.37 0.3 undecidable manual P 75 67.2771 50 -0.23 67
IV.ATVA.EHE. 2022-04-02T04:13:56.75 0.6 undecidable manual P 342 61.8936 50 -0.01 47
IV.MURB.HHE. 2022-04-02T04:13:56.04 0.6 undecidable manual P 360 56.9985 50 0.03 47
IV.GAVE.EHN. 2022-04-02T04:13:56.51 0.3 undecidable manual S 102 30.747 106 -0.04 74
IV.MML1.EHZ. 2022-04-02T04:13:55.33 0.1 undecidable manual P 42 54.3012 50 -0.26 90
IV.ARRO.EHZ. 2022-04-02T04:13:55.68 0.3 undecidable manual S 134 27.1506 108 0.3 71
IV.MC2.EHZ. 2022-04-02T04:13:55.94 0.1 undecidable manual P 71 56.8986 50 -0.05 94
IV.ATCC.EHE. 2022-04-02T04:13:55.11 0.6 undecidable manual P 11 49.3173 50 0.29 45
IV.NRCA.HHZ. 2022-04-02T04:13:54.49 0.1 undecidable manual P 79 48.8178 50 -0.26 91
IV.MGAB.HHZ. 2022-04-02T04:13:53.11 0.1 undecidable manual P 299 38.2284 50 0 98
IV.CESI.HHZ. 2022-04-02T04:13:53.47 0.1 positive manual P 47 41.9247 50 -0.21 93
IV.LNSS.HHZ. 2022-04-02T04:13:53.92 0.1 undecidable manual P 111 45.0216 50 -0.24 92
IV.ASSB.HHZ. 2022-04-02T04:13:52.35 0.1 undecidable manual P 18 34.3434 50 -0.16 96
IV.CESX.HHZ. 2022-04-02T04:13:51.88 0.3 undecidable manual S 162 16.3725 118 -0.02 76
IV.ARRO.EHZ. 2022-04-02T04:13:51.09 0.3 undecidable manual P 134 27.1506 108 -0.11 73
IV.GAVE.EHN. 2022-04-02T04:13:51.64 0.6 undecidable manual P 102 30.747 106 -0.23 47
IV.CESX.HHZ. 2022-04-02T04:13:49.31 0.1 undecidable manual P 162 16.3725 118 0.12 99
IV.MOMA.HHZ. 2022-04-02T04:13:49.26 0.3 undecidable manual S 31 7.0929 140 -0.09 76
IT.GNU.HGE. 2022-04-02T04:13:49.23 0.3 undecidable manual S 31 7.0929 140 -0.12 76
IV.MOMA.HHZ. 2022-04-02T04:13:47.89 0.1 negative manual P 31 7.0929 140 0.17 100
IT.GNU.HGE. 2022-04-02T04:13:47.90 0.1 negative manual P 31 7.0929 140 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.5 0.00028132765000000006 0.16 AML other m 2022-04-02T04:13:53.72
IV.CESX.HHE. ML:1.5 0.0002673125 0.2176 AML other m 2022-04-02T04:13:53.72
IV.ARRO.EHN. ML:1.2 0.00008486914 0.16 AML other m 2022-04-02T04:13:57.32
IV.ARRO.EHE. ML:1.5 0.00016900000000000002 0.26 AML other m 2022-04-02T04:13:57.45
IV.ASSB.HHE. ML:1.5 0.00014450000000000002 0.26 AML other m 2022-04-02T04:13:57.76
IV.ASSB.HHN. ML:1.4 0.000097723715 0.2016 AML other m 2022-04-02T04:13:58.92
IV.MGAB.HHN. ML:1.9 0.00026700000000000004 0.14 AML other m 2022-04-02T04:13:59.59
IV.CESI.HHN. ML:1.2 0.000056500000000000005 0.86 AML other m 2022-04-02T04:13:59.52
IV.MGAB.HHE. ML:1.7 0.00019788430000000003 0.2016 AML other m 2022-04-02T04:14:00.10
IV.NRCA.HHE. ML:1.6 0.000100164685 0.1216 AML other m 2022-04-02T04:14:01.86
IV.NRCA.HHN. ML:1.6 0.0001055 1.9 AML other m 2022-04-02T04:14:03.01
IV.CESI.HHE. ML:1.1 0.000044526565000000006 0.1824 AML other m 2022-04-02T04:14:01.70
IV.MGAB.HNE. ML:1.7 0.00019812515 0.2208 AML other m 2022-04-02T04:14:00.11
IV.MGAB.HNN. ML:1.8 0.0002255807 0.2016 AML other m 2022-04-02T04:13:59.60
IV.CESI.HNN. ML:1.4 0.000077315885 0.16 AML other m 2022-04-02T04:14:01.69
IV.LNSS.HNN. ML:1.5 0.000094281165 0.16 AML other m 2022-04-02T04:14:02.26
IV.LNSS.HNE. ML:1.5 0.00009901287 0.208 AML other m 2022-04-02T04:14:03.38
IV.LNSS.HHE. ML:1.5 0.000095045505 0.2624 AML other m 2022-04-02T04:14:01.69
IV.LNSS.HHN. ML:1.4 0.000072251945 0.1408 AML other m 2022-04-02T04:14:02.19
IV.NRCA.HNE. ML:1.6 0.00010784659499999999 0.1408 AML other m 2022-04-02T04:14:01.00
IV.NRCA.HNN. ML:1.6 0.000103377805 0.1312 AML other m 2022-04-02T04:14:04.08
IV.MML1.EHN. ML:1.1 0.00002779113 0.1184 AML other m 2022-04-02T04:14:03.86
IV.MML1.EHE. ML:1.2 0.000041175265 0.1984 AML other m 2022-04-02T04:14:04.48
IV.MC2.EHE. ML:1.8 0.00013068930000000002 0.2016 AML other m 2022-04-02T04:14:06.04
IV.MC2.EHN. ML:1.9 0.0001844702 0.1984 AML other m 2022-04-02T04:14:06.20
IV.MMO1.EHN. ML:1.5 0.000054399915 0.3008 AML other m 2022-04-02T04:14:06.98
IV.MMO1.EHE. ML:1.4 0.00005026434 0.24 AML other m 2022-04-02T04:14:08.43
IV.CSP1.EHE. ML:1.5 0.000057988314999999996 0.16 AML other m 2022-04-02T04:14:08.03
IV.CSP1.EHN. ML:1.6 0.00007695586500000001 0.2208 AML other m 2022-04-02T04:14:09.35
IV.EL6.EHN. ML:1.6 0.000059750564999999994 0.4192 AML other m 2022-04-02T04:14:11.73
IV.EL6.EHE. ML:1.5 0.000046652765 0.2208 AML other m 2022-04-02T04:14:13.67
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