Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 01-07-2022 and time 18:50:59 (Italy) in region 4 km SE Montefalco (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Montefalco (PG), on

  • 01-07-2022 16:50:59 (UTC)
  • 01-07-2022 18:50:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8690, 12.6940 at 10 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
Montefalco PG 4 5679 5679
Trevi PG 5 8469 14148
Castel Ritaldi PG 5 3278 17426
Campello sul Clitunno PG 9 2442 19868
Foligno PG 10 57155 77023
Bevagna PG 10 5081 82104
Giano dell'Umbria PG 10 3846 85950
Gualdo Cattaneo PG 12 6155 92105
Spello PG 14 8645 100750
Spoleto PG 15 38218 138968
Cannara PG 17 4305 143273
Massa Martana PG 17 3770 147043
Vallo di Nera PG 18 364 147407
Cerreto di Spoleto PG 19 1075 148482
Sant'Anatolia di Narco PG 19 564 149046
Sellano PG 19 1079 150125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km S of Foligno (57155 inhabitants)
34 Km N of Terni (111501 inhabitants)
36 Km SE of Perugia (166134 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
86 Km W of Teramo (54892 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
97 Km N of Guidonia Montecelio (88673 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 1.2 2022-07-01
16:50:59		 42.8687 12.6943 10 2023-01-31
19:03:55		 Bollettino Sismico Italiano INGV 111557401
Reviewed
Rev100 		ML 1.2 2022-07-01
16:50:59		 42.8695 12.6933 10 2022-07-01
17:02:43		 Sala Sismica INGV-Roma 106689161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-01 16:50:59 ± 0.04
Latitude 42.8687 ± 0.0027
Longitude 12.6943 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111557401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 111557401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-07 15:16:22

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 106689161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-01 17:02:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-07-01T16:51:15.71 0.6 undecidable manual S 59 48.3183 50 0.51 43
IV.MC2.EHZ. 2022-07-01T16:51:13.49 0.6 undecidable manual S 83 40.5261 50 0.37 45
IV.FDMO.HHZ. 2022-07-01T16:51:12.12 0.6 undecidable manual S 60 36.9297 50 -0.06 48
IV.NRCA.HHZ. 2022-07-01T16:51:11.44 0.6 undecidable manual S 96 34.3434 50 -0.05 48
IV.MML1.EHZ. 2022-07-01T16:51:11.53 0.6 undecidable manual S 40 35.2425 50 -0.2 47
IV.RM33.EHZ. 2022-07-01T16:51:10.40 0.3 undecidable manual P 133 58.1973 50 0.25 67
IV.CESX.HHZ. 2022-07-01T16:51:10.04 0.6 undecidable manual S 197 30.1476 50 -0.32 46
IV.SMA1.EHZ. 2022-07-01T16:51:10.34 0.3 undecidable manual P 117 58.497 50 0.15 68
IV.GAVE.EHZ. 2022-07-01T16:51:09.06 0.6 undecidable manual S 140 25.4523 111 -0.05 49
IV.CSP1.EHZ. 2022-07-01T16:51:08.65 0.3 undecidable manual P 59 48.3183 50 0.03 71
IV.CESI.HHZ. 2022-07-01T16:51:08.17 0.6 undecidable manual S 48 22.8549 114 -0.09 49
IV.MC2.EHZ. 2022-07-01T16:51:07.32 0.1 undecidable manual P 83 40.5261 50 -0.09 95
IV.ASSB.HHZ. 2022-07-01T16:51:07.34 0.6 undecidable manual S 352 19.5693 117 0.11 49
IV.ATCC.EHZ. 2022-07-01T16:51:06.62 0.3 undecidable manual P 353 35.4423 50 -0.01 73
IV.ARRO.EHZ. 2022-07-01T16:51:06.45 0.3 undecidable manual P 170 32.6451 50 0.25 70
IV.NRCA.HHZ. 2022-07-01T16:51:06.27 0.1 undecidable manual P 96 34.3434 50 -0.2 94
IV.FDMO.HHZ. 2022-07-01T16:51:06.73 0.1 undecidable manual P 60 36.9297 50 -0.14 95
IV.MML1.EHZ. 2022-07-01T16:51:06.45 0.1 undecidable manual P 40 35.2425 50 -0.16 94
IV.MOMA.HHZ. 2022-07-01T16:51:05.08 0.6 undecidable manual S 235 12.3765 129 -0.06 50
IT.GNU.HGE. 2022-07-01T16:51:05.10 0.6 undecidable manual S 235 12.3765 129 -0.04 50
IV.GAVE.EHZ. 2022-07-01T16:51:05.00 0.1 undecidable manual P 140 25.4523 111 -0.09 97
IV.CESX.HHZ. 2022-07-01T16:51:05.83 0.3 undecidable manual P 197 30.1476 50 0.01 74
IV.ASSB.HHZ. 2022-07-01T16:51:04.05 0.1 undecidable manual P 352 19.5693 117 0.04 99
IV.CESI.HHZ. 2022-07-01T16:51:04.60 0.1 negative manual P 48 22.8549 114 -0.01 100
IV.MOMA.HHZ. 2022-07-01T16:51:02.88 0.1 negative manual P 235 12.3765 129 0.07 100
IT.GNU.HGE. 2022-07-01T16:51:02.93 0.3 undecidable manual P 235 12.3765 129 0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNE. ML:0.4 0.000015087541999999999 0.3136 AML other m 2022-07-01T16:51:04.32
IV.MOMA.HNN. ML:1.4 0.00026801390000000003 0.1408 AML other m 2022-07-01T16:51:05.76
IV.MOMA.HHE. ML:1.5 0.00032636060000000003 0.1152 AML other m 2022-07-01T16:51:05.94
IV.MOMA.HNE. ML:1.4 0.00031192545 0.128 AML other m 2022-07-01T16:51:05.95
IV.MML1.HNE. ML:1.3 0.00008447016000000001 1.1904 AML other m 2022-07-01T16:51:06.03
IV.MOMA.HHN. ML:1.4 0.00029500905 0.1792 AML other m 2022-07-01T16:51:06.10
IV.NRCA.HNN. ML:1.6 0.000148103825 0.7808 AML other m 2022-07-01T16:51:06.55
IV.ASSB.HHN. ML:1.1 0.000088757075 0.1536 AML other m 2022-07-01T16:51:07.53
IV.CESI.HHN. ML:1.0 0.000071982225 0.1536 AML other m 2022-07-01T16:51:08.81
IV.CESI.HHE. ML:0.8 0.000041779715 0.0896 AML other m 2022-07-01T16:51:09.07
IV.ASSB.HHE. ML:1.0 0.00008291204 0.128 AML other m 2022-07-01T16:51:09.31
IV.SNTG.HNN. ML:1.7 0.00013920843 1.0112 AML other m 2022-07-01T16:51:09.00
IV.GAVE.EHN. ML:1.1 0.00007963493500000001 0.1152 AML other m 2022-07-01T16:51:10.92
IV.ARRO.EHN. ML:1.1 0.000050900000000000004 1.78 AML other m 2022-07-01T16:51:11.97
IV.MML1.EHE. ML:0.9 0.00003115 1.1 AML other m 2022-07-01T16:51:12.09
IV.GAVE.EHE. ML:1.2 0.00009064852 0.2048 AML other m 2022-07-01T16:51:12.26
IV.ARRO.EHE. ML:0.9 0.000035749999999999995 0.74 AML other m 2022-07-01T16:51:12.11
IV.NRCA.HHN. ML:1.3 0.00009110201 0.0768 AML other m 2022-07-01T16:51:12.58
IV.FDMO.HHE. ML:0.9 0.000030951425 0.0896 AML other m 2022-07-01T16:51:12.92
IV.MML1.EHN. ML:0.8 0.000022550639999999997 0.1408 AML other m 2022-07-01T16:51:12.89
IV.ATCC.EHE. ML:0.9 0.000034922975 1.7696 AML other m 2022-07-01T16:51:13.94
IV.ATCC.EHN. ML:0.9 0.000031476927000000004 0.1152 AML other m 2022-07-01T16:51:13.08
IV.GAVE.HNN. ML:1.4 0.00014813655000000002 0.7552 AML other m 2022-07-01T16:51:13.13
IV.NRCA.HHE. ML:1.2 0.000067519375 0.1408 AML other m 2022-07-01T16:51:13.16
IV.FDMO.HHN. ML:0.9 0.000028939324999999998 0.1024 AML other m 2022-07-01T16:51:13.20
IV.CESI.HNN. ML:1.2 0.00011186375 0.576 AML other m 2022-07-01T16:51:13.98
IV.SNTG.HHE. ML:0.7 0.000016272017 0.0896 AML other m 2022-07-01T16:51:15.46
IV.ATCC.HNN. ML:1.4 0.0000899187635 0.5248 AML other m 2022-07-01T16:51:15.60
IV.MC2.EHE. ML:1.4 0.00008804175 0.2176 AML other m 2022-07-01T16:51:15.86
IV.MC2.EHN. ML:1.5 0.00011064999999999999 0.2 AML other m 2022-07-01T16:51:16.22
IV.CSP1.EHN. ML:1.4 0.00006350894 0.1664 AML other m 2022-07-01T16:51:16.93
IV.NRCA.HNE. ML:1.2 0.00006796927 0.1664 AML other m 2022-07-01T16:51:16.84
IV.SNTG.HHN. ML:0.7 0.00001402487 0.128 AML other m 2022-07-01T16:51:17.04
IV.CSP1.EHE. ML:1.4 0.00007362516 0.4096 AML other m 2022-07-01T16:51:17.46
IV.RM33.HNE. ML:1.7 0.00011365694 1.36 AML other m 2022-07-01T16:51:18.03
IV.ATCC.HNE. ML:1.6 0.00016985568 1.1552 AML other m 2022-07-01T16:51:20.13
IV.RM33.EHE. ML:1.1 0.0000266 0.16 AML other m 2022-07-01T16:51:20.14
IV.SMA1.EHN. ML:1.2 0.000029438505 0.2432 AML other m 2022-07-01T16:51:20.33
IV.SMA1.EHE. ML:1.1 0.000027281315 1.68 AML other m 2022-07-01T16:51:21.00
IV.RM33.EHN. ML:1.0 0.00001973693 0.1792 AML other m 2022-07-01T16:51:21.09
IV.MML1.HNN. ML:2.3 0.0007568901999999999 0.5024 AML other m 2022-07-01T16:51:21.00
IV.SNTG.HNE. ML:1.7 0.00014523975 0.9216 AML other m 2022-07-01T16:51:24.55
IV.RM33.HNN. ML:1.8 0.000124850895 0.7552 AML other m 2022-07-01T16:51:31.12
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