Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 31-03-2022 and time 00:06:13 (Italy) in region 3 km NW Folignano (AP)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Folignano (AP), on

  • 30-03-2022 22:06:13 (UTC)
  • 31-03-2022 00:06:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8410, 13.6110 at 21 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
Folignano AP 3 9241 9241
Ascoli Piceno AP 3 49407 58648
Maltignano AP 6 2401 61049
Appignano del Tronto AP 8 1785 62834
Sant'Egidio alla Vibrata TE 9 9811 72645
Civitella del Tronto TE 9 5116 77761
Castel di Lama AP 9 8634 86395
Venarotta AP 11 2066 88461
Ancarano TE 11 1857 90318
Castignano AP 11 2796 93114
Roccafluvione AP 11 2010 95124
Castorano AP 12 2380 97504
Colli del Tronto AP 12 3668 101172
Offida AP 13 5058 106230
Rotella AP 13 906 107136
Torano Nuovo TE 14 1611 108747
Palmiano AP 14 196 108943
Campli TE 14 7209 116152
Spinetoli AP 14 7215 123367
Montedinove AP 15 488 123855
Valle Castellana TE 15 977 124832
Monsampolo del Tronto AP 16 4611 129443
Montalto delle Marche AP 16 2122 131565
Force AP 17 1354 132919
Sant'Omero TE 17 5243 138162
Nereto TE 17 5242 143404
Controguerra TE 17 2436 145840
Cossignano AP 17 978 146818
Acquasanta Terme AP 18 2916 149734
Corropoli TE 18 5045 154779
Rocca Santa Maria TE 18 537 155316
Bellante TE 19 7152 162468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Teramo (54892 inhabitants)
57 Km NE of L'Aquila (69753 inhabitants)
57 Km NW of Montesilvano (53738 inhabitants)
65 Km NW of Pescara (121014 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
75 Km E of Foligno (57155 inhabitants)
85 Km E of Terni (111501 inhabitants)
87 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 1.9 2022-03-30
22:06:13		 42.8407 13.6107 21 2022-07-08
12:33:43		 Bollettino Sismico Italiano INGV 103159801
Reviewed
Rev100 		ML 1.8 2022-03-30
22:06:13		 42.8423 13.6122 20 2022-03-30
22:20:53		 Sala Sismica INGV-Roma 102585121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-30 22:06:13 ± 0.11
Latitude 42.8407 ± 0.0045
Longitude 13.6107 ± 0.0061
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103159801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 559
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07469
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 103159801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-20 11:21:16

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 102585121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-30 22:20:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-03-30T22:06:40.75 3.0 undecidable manual Pn -1.67 0
IV.ASSB.HHZ. 2022-03-30T22:06:38.09 0.6 undecidable manual S 286 80.4639 98 0.68 37
IV.CING.HHZ. 2022-03-30T22:06:34.41 0.3 undecidable manual S 331 68.1762 100 0.23 66
IV.EL6.EHZ. 2022-03-30T22:06:34.44 0.6 undecidable manual S 323 68.0763 100 0.28 43
IV.NARO.HHZ. 2022-03-30T22:06:33.42 0.6 undecidable manual P 316 119.2917 95 0.25 39
IV.MML1.EHZ. 2022-03-30T22:06:32.55 0.6 undecidable manual S 300 60.0954 101 0.51 42
IV.CESI.HHZ. 2022-03-30T22:06:32.88 0.3 undecidable manual S 288 60.1953 101 0.81 55
IV.PIEI.HHZ. 2022-03-30T22:06:32.44 0.6 undecidable manual P 312 116.2947 95 -0.26 40
IV.INTR.HHZ. 2022-03-30T22:06:31.73 3.0 positive manual P 0.75 0
IV.LNSS.HHZ. 2022-03-30T22:06:31.21 0.3 undecidable manual S 241 53.4021 103 0.89 54
IV.RM33.EHZ. 2022-03-30T22:06:29.85 0.3 undecidable manual S 221 48.9177 105 0.7 59
IV.MOMA.HHZ. 2022-03-30T22:06:28.02 0.3 undecidable manual P 268 84.7485 98 0.15 65
IV.FDMO.HHZ. 2022-03-30T22:06:28.95 0.3 undecidable manual S 297 47.7189 105 0.12 70
IV.GIGS.HHZ. 2022-03-30T22:06:27.74 0.3 undecidable manual S 184 43.1235 107 0.1 71
IV.NRCA.HHZ. 2022-03-30T22:06:27.18 0.3 undecidable manual S 269 40.4262 108 0.22 69
IV.CSP1.EHZ. 2022-03-30T22:06:27.61 0.3 undecidable manual S 310 43.1235 107 -0.05 72
IV.MC2.EHZ. 2022-03-30T22:06:26.04 0.3 undecidable manual S 283 35.1426 112 0.39 67
IV.ASSB.HHZ. 2022-03-30T22:06:26.92 0.6 undecidable manual P 286 80.4639 98 -0.3 42
IV.MNTT.EHZ. 2022-03-30T22:06:25.04 0.6 undecidable manual S 357 24.5532 122 1.91 21
IV.SMA1.EHZ. 2022-03-30T22:06:25.35 0.3 undecidable manual S 224 32.3454 114 0.39 68
IV.GUMA.HHZ. 2022-03-30T22:06:25.33 0.3 undecidable manual S 318 33.2445 113 0.14 71
IV.SAP2.EHE. 2022-03-30T22:06:25.56 0.6 undecidable manual S 329 33.1446 113 0.4 45
IV.MNTP.HNZ. 2022-03-30T22:06:25.84 0.3 undecidable manual S 341 34.8429 112 0.27 69
IV.CING.HHZ. 2022-03-30T22:06:24.87 0.6 undecidable manual P 331 68.1762 100 -0.49 41
IV.EL6.EHZ. 2022-03-30T22:06:24.94 0.1 undecidable manual P 323 68.0763 100 -0.4 84
7F.SIB1.EHE. 2022-03-30T22:06:24.11 0.6 undecidable manual S 282 28.3494 118 0.11 48
IV.CESI.HHZ. 2022-03-30T22:06:23.95 0.1 negative manual P 288 60.1953 101 -0.19 90
7F.SIB3.EHN. 2022-03-30T22:06:23.85 0.6 undecidable manual S 278 27.9498 118 -0.06 49
IV.TERO.HHZ. 2022-03-30T22:06:23.25 0.3 undecidable manual S 181 24.1536 123 0.22 72
IV.LNSS.HHZ. 2022-03-30T22:06:23.27 0.1 undecidable manual P 241 53.4021 103 0.15 92
IV.TRTR.HHZ. 2022-03-30T22:06:23.85 0.3 undecidable manual S 98 24.9528 122 0.65 64
IV.MML1.EHZ. 2022-03-30T22:06:23.75 0.1 negative manual P 300 60.0954 101 -0.37 86
7F.SIB2.EHE. 2022-03-30T22:06:23.04 0.6 undecidable manual S 283 25.5522 121 -0.31 47
IV.MMO1.EHZ. 2022-03-30T22:06:22.79 0.3 undecidable manual S 286 23.9538 123 -0.2 72
IV.RM33.EHZ. 2022-03-30T22:06:22.54 0.1 undecidable manual P 221 48.9177 105 0.09 94
IV.MF5.EHZ. 2022-03-30T22:06:22.14 0.3 undecidable manual S 323 20.4684 128 -0.08 74
IV.MTRA.EHZ. 2022-03-30T22:06:22.06 0.1 undecidable manual S 242 19.7691 129 -0.02 100
IV.FDMO.HHZ. 2022-03-30T22:06:21.83 0.1 negative manual P 297 47.7189 105 -0.44 87
IV.CSP1.EHZ. 2022-03-30T22:06:21.15 0.1 negative manual P 310 43.1235 107 -0.44 88
IV.CADA.HNE. 2022-03-30T22:06:21.44 0.3 undecidable manual P 17 41.1255 108 0.15 71
IV.OFFI.HHZ. 2022-03-30T22:06:21.14 0.3 undecidable manual S 30 12.0768 145 0.45 70
IV.GIGS.HHZ. 2022-03-30T22:06:21.31 0.1 undecidable manual P 184 43.1235 107 -0.27 91
IV.NRCA.HHZ. 2022-03-30T22:06:20.98 0.1 negative manual P 269 40.4262 108 -0.21 93
IV.MNTP.HNZ. 2022-03-30T22:06:20.14 0.1 undecidable manual P 341 34.8429 112 -0.25 93
IV.MNTT.EHZ. 2022-03-30T22:06:20.10 0.1 undecidable manual P 357 24.5532 122 1.13 69
IV.SMA1.EHZ. 2022-03-30T22:06:20.07 0.3 undecidable manual P 224 32.3454 114 0.04 73
IV.MC2.EHZ. 2022-03-30T22:06:20.33 0.1 negative manual P 283 35.1426 112 -0.1 96
7F.SIB1.EHE. 2022-03-30T22:06:19.27 0.1 undecidable manual P 282 28.3494 118 -0.2 95
IV.TRTR.HHZ. 2022-03-30T22:06:19.39 0.1 undecidable manual P 98 24.9528 122 0.37 93
IV.GUMA.HHZ. 2022-03-30T22:06:19.85 0.1 undecidable manual P 318 33.2445 113 -0.31 92
7F.SIB3.EHN. 2022-03-30T22:06:19.10 0.1 undecidable manual P 278 27.9498 118 -0.32 93
IV.SAP2.EHE. 2022-03-30T22:06:19.91 0.3 undecidable manual P 329 33.1446 113 -0.24 70
IV.MF5.EHZ. 2022-03-30T22:06:18.22 0.1 negative manual P 323 20.4684 128 -0.23 95
IV.TERO.HHZ. 2022-03-30T22:06:18.82 0.1 positive manual P 181 24.1536 123 -0.1 97
IV.ASCOL.EHN. 2022-03-30T22:06:18.64 0.6 undecidable manual S 305 2.0979 173 -1.08 36
IV.MTRA.EHZ. 2022-03-30T22:06:18.20 0.1 undecidable manual P 242 19.7691 129 -0.17 97
7F.SIB2.EHE. 2022-03-30T22:06:18.70 0.1 undecidable manual P 283 25.5522 121 -0.4 91
IV.MMO1.EHZ. 2022-03-30T22:06:18.57 0.1 undecidable manual P 286 23.9538 123 -0.32 93
IV.OFFI.HHZ. 2022-03-30T22:06:17.46 0.1 positive manual P 30 12.0768 145 -0.1 99
IV.ASCOL.EHN. 2022-03-30T22:06:16.37 0.1 undecidable manual P 305 2.0979 173 -0.64 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:2.6 0.00254 0.64 AML other m 2022-03-30T22:06:21.65
IV.OFFI.HHE. ML:2.7 0.0032749999999999997 1.44 AML other m 2022-03-30T22:06:21.98
IV.MTRA.HNE. ML:2.2 0.000965 0.48 AML other m 2022-03-30T22:06:22.40
IV.MTRA.EHE. ML:2.2 0.0009965 0.48 AML other m 2022-03-30T22:06:22.65
IV.MF5.EHN. ML:2.0 0.0005455000000000001 0.34 AML other m 2022-03-30T22:06:22.62
IV.MTRA.EHN. ML:2.2 0.0008225 0.38 AML other m 2022-03-30T22:06:22.63
IV.MTRA.HNN. ML:2.2 0.0008414999999999999 0.4 AML other m 2022-03-30T22:06:22.63
IV.MF5.EHE. ML:2.0 0.000543 0.74 AML other m 2022-03-30T22:06:22.34
IV.MMO1.EHN. ML:1.8 0.000314 1.52 AML other m 2022-03-30T22:06:22.15
IV.TERO.HHN. ML:1.9 0.00035 0.32 AML other m 2022-03-30T22:06:23.54
IV.TERO.HHE. ML:1.8 0.0003195 0.16 AML other m 2022-03-30T22:06:23.74
IV.TERO.HNN. ML:1.9 0.00036059085 0.9216 AML other m 2022-03-30T22:06:23.50
IV.TERO.HNE. ML:2.0 0.00045005129999999997 0.6272 AML other m 2022-03-30T22:06:23.66
IV.MMO1.EHE. ML:1.8 0.00027100000000000003 1.32 AML other m 2022-03-30T22:06:24.04
IV.SMA1.EHN. ML:2.0 0.00040500000000000003 0.66 AML other m 2022-03-30T22:06:26.27
IV.MNTT.EHN. ML:2.8 0.003035 0.2 AML other m 2022-03-30T22:06:26.44
IV.GUMA.HNE. ML:2.1 0.00048345355000000003 0.4352 AML other m 2022-03-30T22:06:26.31
IV.GUMA.HHN. ML:2.1 0.0004415 0.46 AML other m 2022-03-30T22:06:26.30
IV.MC2.EHN. ML:2.6 0.00133 0.28 AML other m 2022-03-30T22:06:26.82
IV.SMA1.EHE. ML:2.0 0.000339 0.9 AML other m 2022-03-30T22:06:26.26
IV.MC2.EHE. ML:2.3 0.0006755 0.24 AML other m 2022-03-30T22:06:27.26
IV.MNTT.EHE. ML:2.8 0.00286 0.26 AML other m 2022-03-30T22:06:27.43
IV.NRCA.HHN. ML:2.3 0.0006565000000000001 1.86 AML other m 2022-03-30T22:06:27.99
IV.NRCA.HHE. ML:2.1 0.0003795 0.12 AML other m 2022-03-30T22:06:28.12
IV.GUMA.HNN. ML:1.9 0.0002940816 0.3328 AML other m 2022-03-30T22:06:28.94
IV.CSP1.EHN. ML:2.0 0.00028849999999999997 0.9 AML other m 2022-03-30T22:06:29.11
IV.FDMO.HHN. ML:1.6 0.00009395000000000001 0.18 AML other m 2022-03-30T22:06:29.19
IV.CSP1.EHE. ML:2.0 0.000251 0.14 AML other m 2022-03-30T22:06:29.26
IV.FDMO.HHE. ML:1.7 0.000128 0.52 AML other m 2022-03-30T22:06:29.06
IV.RM33.EHE. ML:1.7 0.0001324 1.08 AML other m 2022-03-30T22:06:30.14
IV.RM33.EHN. ML:1.6 0.0001095 1.04 AML other m 2022-03-30T22:06:30.79
IV.MML1.EHE. ML:1.6 0.00007439999999999999 1 AML other m 2022-03-30T22:06:32.30
IV.LNSS.HHE. ML:1.8 0.000146 1.08 AML other m 2022-03-30T22:06:33.11
IV.MML1.EHN. ML:1.7 0.00009663708 1.024 AML other m 2022-03-30T22:06:34.80
IV.CING.HHE. ML:1.6 0.00007245 0.42 AML other m 2022-03-30T22:06:35.24
IV.LNSS.HHN. ML:1.8 0.00014419999999999998 1.28 AML other m 2022-03-30T22:06:36.27
IV.CESI.HHN. ML:1.9 0.0001535 0.5 AML other m 2022-03-30T22:06:37.25
IV.CESI.HHE. ML:1.6 0.00007744999999999999 0.52 AML other m 2022-03-30T22:06:37.43
IV.CING.HHN. ML:1.9 0.0001225 0.28 AML other m 2022-03-30T22:06:39.18
IV.ASSB.HHN. ML:1.7 0.0000711 0.76 AML other m 2022-03-30T22:06:42.36
IV.ASSB.HHE. ML:1.6 0.000051750000000000004 0.46 AML other m 2022-03-30T22:06:45.24
IV.MOMA.HHE. ML:1.8 0.0000733 0.96 AML other m 2022-03-30T22:06:45.59
IV.MOMA.HHN. ML:1.7 0.0000639 1.2 AML other m 2022-03-30T22:06:46.27
IV.INTR.HHE. ML:1.9 0.000086 1.08 AML other m 2022-03-30T22:06:47.82
IV.INTR.HHN. ML:2.1 0.000131 0.54 AML other m 2022-03-30T22:06:48.03
IV.PIEI.HHE. ML:1.8 0.000046200000000000005 1.2 AML other m 2022-03-30T22:06:52.35
IV.PIEI.HHN. ML:1.5 0.000024229999999999997 1.56 AML other m 2022-03-30T22:06:53.09
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