Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-03-2022 and time 23:52:53 (UTC) in region 8 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 8 km SE Norcia (PG), on

  • 25-03-2022 23:52:53 (UTC)
  • 26-03-2022 00:52:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7540, 13.1760 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
Norcia PG 8 4957 4957
Accumoli RI 9 667 5624
Arquata del Tronto AP 10 1178 6802
Cascia PG 14 3217 10019
Cittareale RI 15 482 10501
Castelsantangelo sul Nera MC 16 281 10782
Montegallo AP 16 523 11305
Amatrice RI 17 2657 13962
Preci PG 18 724 14686
Acquasanta Terme AP 19 2916 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2022-03-25
23:52:53		 42.7538 13.1758 10 2022-07-08
12:33:40		 Bollettino Sismico Italiano INGV 102662591
Reviewed
Rev100 		ML 1.6 2022-03-25
23:52:53		 42.7558 13.1793 10 2022-03-26
00:01:45		 Sala Sismica INGV-Roma 102385551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-25 23:52:53 ± 0.05
Latitude 42.7538 ± 0.0027
Longitude 13.1758 ± 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 102662591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 283
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57287
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 60
Type of magnitude ML
Reference to an origin 102662591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-01 11:44:53

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 102385551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-26 00:01:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2022-03-25T23:53:26.65 3.0 undecidable manual S 0.45 0
IV.SSFR.HHZ. 2022-03-25T23:53:20.06 3.0 undecidable manual S -0.02 0
IV.ARVD.HHZ. 2022-03-25T23:53:20.77 3.0 undecidable manual S -0.06 0
IV.MURB.HHZ. 2022-03-25T23:53:19.11 3.0 undecidable manual S 0.42 0
IV.CING.HHZ. 2022-03-25T23:53:16.16 3.0 undecidable manual S 0.02 0
IV.EL6.EHZ. 2022-03-25T23:53:14.19 3.0 undecidable manual S -0.51 0
IV.NARO.HHZ. 2022-03-25T23:53:12.62 3.0 undecidable manual P -0.01 0
IV.ARVD.HHZ. 2022-03-25T23:53:08.83 3.0 undecidable manual P -0.14 0
IV.SSFR.HHZ. 2022-03-25T23:53:08.30 3.0 positive manual P -0.25 0
IV.GUMA.HHZ. 2022-03-25T23:53:07.12 0.6 undecidable manual S 21 36.6411 50 0.75 40
IV.T0110.HHZ. 2022-03-25T23:53:07.49 3.0 positive manual P -0.18 0
IV.MURB.HHZ. 2022-03-25T23:53:07.56 3.0 undecidable manual P -0.21 0
IV.CSP1.EHZ. 2022-03-25T23:53:06.84 0.6 undecidable manual S 4 37.5291 50 0.23 46
IV.VCEL.EHZ. 2022-03-25T23:53:06.16 3.0 positive manual P -0.05 0
IV.CING.HHZ. 2022-03-25T23:53:06.22 3.0 positive manual P -0.12 0
IV.FDMO.HHZ. 2022-03-25T23:53:05.05 0.3 undecidable manual S 347 32.1456 50 -0.13 71
IV.CESI.HHZ. 2022-03-25T23:53:05.99 0.3 undecidable manual S 322 35.5422 50 -0.08 72
IV.EL6.EHZ. 2022-03-25T23:53:05.31 3.0 positive manual P -0.22 0
IV.ATCC.EHZ. 2022-03-25T23:53:05.45 3.0 positive manual P -0.2 0
IV.SNTG.HHZ. 2022-03-25T23:53:04.43 3.0 negative manual P -0.21 0
IV.FAGN.HHZ. 2022-03-25T23:53:04.76 0.6 undecidable manual P 148 63.5919 50 -0.44 42
IV.MNTT.EHZ. 2022-03-25T23:53:03.84 0.6 undecidable manual P 45 48.3183 50 1 35
IV.RM33.EHZ. 2022-03-25T23:53:03.62 0.3 undecidable manual S 173 27.3504 109 -0.21 71
IV.ASSB.HHZ. 2022-03-25T23:53:03.41 0.6 undecidable manual P 307 52.8027 50 -0.14 46
IV.OFFI.HHZ. 2022-03-25T23:53:03.16 0.6 undecidable manual P 64 46.1205 50 0.65 40
IV.FIAM.HHZ. 2022-03-25T23:53:03.68 3.0 negative manual P -0.3 0
IV.CESX.HHZ. 2022-03-25T23:53:03.13 3.0 negative manual P -0.25 0
IV.GAVE.EHZ. 2022-03-25T23:53:02.88 0.3 undecidable manual S 254 23.9538 112 0.16 72
IV.MOMA.HHZ. 2022-03-25T23:53:02.82 3.0 undecidable manual P -0.36 0
IV.LNSS.HHZ. 2022-03-25T23:53:01.69 0.3 undecidable manual S 213 20.0688 115 0.2 72
IV.GUMA.HHZ. 2022-03-25T23:53:01.32 0.3 undecidable manual P 21 36.6411 50 0.27 69
7F.SIB2.EHZ. 2022-03-25T23:53:01.04 0.3 undecidable manual S 34 18.4704 117 0.06 74
IV.SMA1.EHZ. 2022-03-25T23:53:01.44 0.3 undecidable manual S 136 18.87 117 0.32 70
IV.CSP1.EHZ. 2022-03-25T23:53:01.01 0.3 undecidable manual P 4 37.5291 50 -0.19 70
IV.MML1.EHZ. 2022-03-25T23:53:01.82 0.3 undecidable manual P 338 43.2234 50 -0.24 68
IV.MMO1.EHZ. 2022-03-25T23:53:01.46 0.3 undecidable manual S 37 20.2686 115 -0.09 73
IV.ARRO.EHZ. 2022-03-25T23:53:01.31 0.1 negative manual P 240 38.628 50 -0.05 96
IV.MTRA.EHZ. 2022-03-25T23:53:00.61 0.3 undecidable manual S 89 17.9709 118 -0.23 72
IV.MC2.EHZ. 2022-03-25T23:53:00.96 0.3 undecidable manual S 3 17.5713 118 0.26 71
IV.FDMO.HHZ. 2022-03-25T23:53:00.08 0.3 undecidable manual P 347 32.1456 50 -0.28 69
IV.CESI.HHZ. 2022-03-25T23:53:00.74 0.1 negative manual P 322 35.5422 50 -0.14 95
7F.SIB1.EHZ. 2022-03-25T23:53:00.57 0.3 undecidable manual S 26 17.3715 119 -0.09 74
IV.TERO.HHZ. 2022-03-25T23:53:00.88 0.3 undecidable manual P 112 37.8288 50 -0.35 68
7F.SIB3.EHZ. 2022-03-25T23:52:59.77 0.3 undecidable manual S 30 15.4734 122 -0.31 71
IV.RM33.EHZ. 2022-03-25T23:52:59.44 0.1 positive manual P 173 27.3504 109 -0.14 96
IT.MTCL.HGZ. 2022-03-25T23:52:59.79 0.6 undecidable manual P 332 30.2475 50 -0.28 46
IV.FEMA.HNZ. 2022-03-25T23:52:59.36 0.6 undecidable manual P 336 25.2525 111 0.17 48
IV.NRCA.HHZ. 2022-03-25T23:52:58.37 0.3 undecidable manual S 331 10.1787 133 -0.24 72
IV.MMO1.EHZ. 2022-03-25T23:52:58.18 0.1 positive manual P 37 20.2686 115 -0.09 98
IV.LNSS.HHZ. 2022-03-25T23:52:58.36 0.1 positive manual P 213 20.0688 115 0.13 97
IV.GAVE.EHZ. 2022-03-25T23:52:58.97 0.1 positive manual P 254 23.9538 112 0.03 99
IV.SMA1.EHZ. 2022-03-25T23:52:58.10 0.3 undecidable manual P 136 18.87 117 0.09 74
7F.SIB1.EHZ. 2022-03-25T23:52:57.82 0.1 positive manual P 26 17.3715 119 0.06 99
IV.MTRA.EHZ. 2022-03-25T23:52:57.84 0.1 undecidable manual P 89 17.9709 118 -0.01 100
7F.SIB3.EHZ. 2022-03-25T23:52:57.38 0.1 positive manual P 30 15.4734 122 -0.04 100
IV.MC2.EHZ. 2022-03-25T23:52:57.97 0.1 positive manual P 3 17.5713 118 0.19 96
7F.SIB2.EHZ. 2022-03-25T23:52:57.84 0.1 positive manual P 34 18.4704 117 -0.1 98
IV.NRCA.HHZ. 2022-03-25T23:52:56.68 0.3 undecidable manual P 331 10.1787 133 0.11 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.3 0.0000691 0.2 AML other m 2022-03-25T23:53:01.66
IV.SMA1.EHE. ML:1.7 0.00035850000000000004 0.22 AML other m 2022-03-25T23:53:02.31
IV.SMA1.EHN. ML:1.5 0.0002585 0.16 AML other m 2022-03-25T23:53:02.95
IV.GAVE.EHN. ML:1.6 0.00026776095 0.0896 AML other m 2022-03-25T23:53:03.10
IV.RM33.EHE. ML:1.6 0.0002001261 0.1536 AML other m 2022-03-25T23:53:04.15
IV.GAVE.EHE. ML:1.8 0.00035150000000000003 0.16 AML other m 2022-03-25T23:53:04.48
IV.RM33.EHN. ML:1.4 0.00015107235 0.1024 AML other m 2022-03-25T23:53:04.50
IV.FDMO.HHE. ML:1.3 0.00008944204999999999 0.2048 AML other m 2022-03-25T23:53:06.20
IV.FDMO.HHN. ML:1.4 0.000109609125 0.1408 AML other m 2022-03-25T23:53:05.93
IV.CESI.HHE. ML:1.4 0.000109480345 0.128 AML other m 2022-03-25T23:53:06.27
IV.TERO.HHN. ML:1.7 0.0001805 0.1 AML other m 2022-03-25T23:53:06.55
IV.TERO.HHE. ML:1.6 0.0001325 0.08 AML other m 2022-03-25T23:53:06.95
IV.CESI.HHN. ML:1.7 0.0002036689 0.1792 AML other m 2022-03-25T23:53:07.43
IV.MML1.EHN. ML:1.5 0.00010899999999999999 0.18 AML other m 2022-03-25T23:53:08.71
IV.MML1.EHE. ML:1.5 0.0000988 1.86 AML other m 2022-03-25T23:53:09.94
IV.ARRO.EHN. ML:1.2 0.0000563 0.42 AML other m 2022-03-25T23:53:09.43
IV.MOMA.HHE. ML:1.7 0.0001397618 0.1664 AML other m 2022-03-25T23:53:10.96
IV.MOMA.HHN. ML:1.6 0.00010731864 0.128 AML other m 2022-03-25T23:53:11.49
IV.CESX.HHE. ML:1.2 0.0000428 0.18 AML other m 2022-03-25T23:53:11.63
IV.ASSB.HHE. ML:1.5 0.00008285000000000001 0.18 AML other m 2022-03-25T23:53:12.73
IV.CESX.HHN. ML:1.2 0.00004165 1.1 AML other m 2022-03-25T23:53:13.68
IV.SNTG.HHE. ML:1.2 0.00003345 0.1 AML other m 2022-03-25T23:53:13.38
IV.SNTG.HHN. ML:1.2 0.0000294 0.64 AML other m 2022-03-25T23:53:13.53
IV.ASSB.HHN. ML:1.3 0.0000522174 0.1792 AML other m 2022-03-25T23:53:12.84
IV.FIAM.HHE. ML:0.8 0.00001720306 0.128 AML other m 2022-03-25T23:53:12.08
IV.FIAM.HHN. ML:0.9 0.000019416056 0.32 AML other m 2022-03-25T23:53:15.28
IV.ATCC.EHE. ML:1.4 0.00004835 0.24 AML other m 2022-03-25T23:53:16.31
IV.ATCC.EHN. ML:1.4 0.000045901365 0.1536 AML other m 2022-03-25T23:53:16.20
IV.VCEL.EHE. ML:1.4 0.00004822779 0.1664 AML other m 2022-03-25T23:53:18.67
IV.FAGN.HHE. ML:1.3 0.00003574436 0.192 AML other m 2022-03-25T23:53:17.21
IV.FAGN.HHN. ML:1.3 0.0000395 0.18 AML other m 2022-03-25T23:53:17.59
IV.VCEL.EHN. ML:1.4 0.00004475 0.48 AML other m 2022-03-25T23:53:19.98
IV.T0110.HHN. ML:1.3 0.000030350000000000002 0.5 AML other m 2022-03-25T23:53:22.57
IV.T0110.HHE. ML:1.4 0.0000356 0.4 AML other m 2022-03-25T23:53:25.56
IV.GAVE.HNE. ML:1.7 0.00030466559999999996 0.1536 AML other m 2022-03-25T23:53:04.47
IV.GAVE.HNN. ML:1.4 0.0001626493 0.8448 AML other m 2022-03-25T23:53:11.58
IV.RM33.HNE. ML:1.6 0.0002096537 0.1664 AML other m 2022-03-25T23:53:04.15
IV.RM33.HNN. ML:1.5 0.00016900345 0.1408 AML other m 2022-03-25T23:53:04.15
IV.CESI.HNE. ML:1.6 0.000139778605 1.0624 AML other m 2022-03-25T23:53:18.04
IV.CESI.HNN. ML:1.7 0.00021043659999999998 0.2432 AML other m 2022-03-25T23:53:07.43
IV.TERO.HNE. ML:1.4 0.000104728425 0.0768 AML other m 2022-03-25T23:53:06.96
IV.TERO.HNN. ML:1.7 0.0002046542 0.128 AML other m 2022-03-25T23:53:06.51
IV.MML1.HNN. ML:1.6 0.000119855085 0.1664 AML other m 2022-03-25T23:53:08.63
IV.MML1.HNE. ML:1.5 0.00010143796 0.2048 AML other m 2022-03-25T23:53:08.95
IV.MOMA.HNN. ML:1.6 0.00011406054 0.6016 AML other m 2022-03-25T23:53:16.87
IV.MOMA.HNE. ML:1.7 0.00013766535 0.1408 AML other m 2022-03-25T23:53:12.20
IV.OFFI.HHN. ML:1.3 0.000059795295 0.7936 AML other m 2022-03-25T23:53:25.64
IV.OFFI.HHE. ML:1.4 0.00006995224999999999 0.576 AML other m 2022-03-25T23:53:19.69
IV.FIAM.HNE. ML:2.8 0.0015345095 1.3568 AML other m 2022-03-25T23:53:07.94
IV.FIAM.HNN. ML:1.7 0.00012546055 0.7168 AML other m 2022-03-25T23:53:26.14
IV.SNTG.HNE. ML:1.7 0.00010983015 0.7296 AML other m 2022-03-25T23:53:16.88
IV.SNTG.HNN. ML:1.7 0.00010517660000000001 0.6144 AML other m 2022-03-25T23:53:06.62
IV.EL6.EHN. ML:1.4 0.00004927145500000001 0.1408 AML other m 2022-03-25T23:53:16.06
IV.EL6.EHE. ML:1.5 0.00006293918500000001 0.2944 AML other m 2022-03-25T23:53:18.77
IV.ATCC.HNN. ML:1.7 0.00008499599499999999 0.4608 AML other m 2022-03-25T23:53:08.31
IV.ATCC.HNE. ML:1.9 0.00014427434499999998 0.576 AML other m 2022-03-25T23:53:14.59
IV.ARVD.HHE. ML:0.9 0.000011372565000000001 0.1152 AML other m 2022-03-25T23:53:21.51
IV.ARVD.HHN. ML:0.9 0.000012007708499999998 0.1152 AML other m 2022-03-25T23:53:21.31
IV.NARO.HHE. ML:0.8 0.000006116786 0.2944 AML other m 2022-03-25T23:53:35.30
IV.NARO.HHN. ML:0.8 0.000005329319500000001 0.2304 AML other m 2022-03-25T23:53:33.32
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