Earthquake with magnitude of ML 1.3 on date 31-07-2022 and time 04:50:26 (UTC) in region 7 km W Montegallo (AP)

A magnitude ML 1.3 earthquake occured in region: 7 km W Montegallo (AP), on

  • 31-07-2022 04:50:26 (UTC)
  • 31-07-2022 06:50:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8360, 13.2550 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montegallo AP 7 523 523
Arquata del Tronto AP 8 1178 1701
Montemonaco AP 9 604 2305
Castelsantangelo sul Nera MC 11 281 2586
Montefortino FM 14 1178 3764
Norcia PG 14 4957 8721
Acquasanta Terme AP 15 2916 11637
Ussita MC 15 444 12081
Accumoli RI 16 667 12748
Visso MC 17 1107 13855
Bolognola MC 18 142 13997
Amandola FM 18 3629 17626
Palmiano AP 18 196 17822
Preci PG 18 724 18546
Roccafluvione AP 18 2010 20556
Comunanza AP 19 3166 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
58 Km NE of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 Km NW of Chieti (51815 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 1.3 2022-07-31
04:50:26
42.8358 13.2547 13 2022-07-31
05:04:15
Sala Sismica INGV-Roma 107904381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-31 04:50:26 ± 0.07
Latitude 42.8358 ± 0.0036
Longitude 13.2547 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107904381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50542
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 107904381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-31 05:04:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2022-07-31T04:50:45.55 3.0 undecidable manual S 1.84 0
IV.SSFR.HHZ. 2022-07-31T04:50:38.80 3.0 undecidable manual P -0.61 0
IV.LNSS.HHZ. 2022-07-31T04:50:37.84 0.3 undecidable manual S 214 31.1466 94 0.55 65
IV.EL6.EHZ. 2022-07-31T04:50:37.07 0.3 undecidable manual P 347 56.0994 92 0.5 64
IV.GUMA.HHZ. 2022-07-31T04:50:36.22 0.1 undecidable manual S 15 26.0517 96 0.31 94
IV.CSP1.EHZ. 2022-07-31T04:50:36.38 0.1 undecidable manual S 352 28.6491 95 -0.24 93
IV.MF5.EHZ. 2022-07-31T04:50:35.68 0.1 undecidable manual S 45 23.6541 97 0.38 93
IV.SMA1.EHZ. 2022-07-31T04:50:35.36 0.1 undecidable manual S 164 23.6541 97 0.06 99
IV.GIGS.HHZ. 2022-07-31T04:50:35.22 3.0 undecidable manual P 0.21 0
IV.FDMO.HHZ. 2022-07-31T04:50:35.54 0.1 undecidable manual S 329 26.0517 96 -0.39 90
IV.OFFI.HHZ. 2022-07-31T04:50:34.00 0.1 undecidable manual P 72 36.741 93 0.42 90
IV.MML1.EHZ. 2022-07-31T04:50:33.61 0.1 undecidable manual P 323 38.4282 93 -0.23 92
IV.CAMP.HHZ. 2022-07-31T04:50:33.18 0.1 undecidable manual P 159 35.5422 94 -0.22 92
IV.MNTT.EHZ. 2022-07-31T04:50:33.98 0.1 undecidable manual P 48 37.3293 93 0.3 92
IV.RM33.EHZ. 2022-07-31T04:50:33.36 0.1 undecidable manual P 185 36.4413 93 -0.17 93
IV.CESI.HHZ. 2022-07-31T04:50:33.09 3.0 positive manual P -0.46 0
IV.TERO.HHZ. 2022-07-31T04:50:33.21 0.3 undecidable manual P 130 37.0296 93 -0.41 66
IV.LNSS.HHZ. 2022-07-31T04:50:32.76 0.1 undecidable manual P 214 31.1466 94 0.03 98
IV.NRCA.HHZ. 2022-07-31T04:50:32.47 0.1 undecidable manual S 269 11.3775 123 0.28 97
IV.MTRA.EHZ. 2022-07-31T04:50:32.86 0.1 undecidable manual S 127 14.4744 113 -0.06 98
IV.CSP1.EHZ. 2022-07-31T04:50:31.97 0.1 undecidable manual P 352 28.6491 95 -0.37 91
IV.MMO1.EHZ. 2022-07-31T04:50:31.70 0.1 undecidable manual S 40 9.1797 132 -0.01 99
IV.MF5.EHZ. 2022-07-31T04:50:31.64 0.1 undecidable manual P 45 23.6541 97 0.06 99
IV.SMA1.EHZ. 2022-07-31T04:50:31.44 0.1 undecidable manual P 164 23.6541 97 -0.14 96
IV.FDMO.HHZ. 2022-07-31T04:50:31.57 0.1 undecidable manual P 329 26.0517 96 -0.37 91
IV.GUMA.HHZ. 2022-07-31T04:50:31.92 0.1 undecidable manual P 15 26.0517 96 -0.01 98
IV.MTRA.EHZ. 2022-07-31T04:50:30.12 0.1 undecidable manual P 127 14.4744 113 -0.08 98
IV.MMO1.EHZ. 2022-07-31T04:50:29.46 0.1 undecidable manual P 40 9.1797 132 -0.05 99
IV.NRCA.HHZ. 2022-07-31T04:50:29.91 0.1 undecidable manual P 269 11.3775 123 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.4 0.0003125 1.44 AML other m 2022-07-31T04:50:31.92
IV.MMO1.EHE. ML:1.7 0.0005985000000000001 0.22 AML other m 2022-07-31T04:50:31.96
IV.NRCA.HHN. ML:2.0 0.0011349999999999997 0.08 AML other m 2022-07-31T04:50:32.73
IV.NRCA.HHE. ML:2.1 0.0013599999999999999 0.18 AML other m 2022-07-31T04:50:32.70
IV.NRCA.HNE. ML:2.1 0.00125 0.18 AML other m 2022-07-31T04:50:32.70
IV.NRCA.HNN. ML:2.0 0.0010049999999999998 1.18 AML other m 2022-07-31T04:50:33.73
IV.MTRA.EHE. ML:1.4 0.000203 0.48 AML other m 2022-07-31T04:50:33.03
IV.MTRA.EHN. ML:1.3 0.0001635 0.18 AML other m 2022-07-31T04:50:33.44
IV.FDMO.HHE. ML:1.2 0.00008860000000000001 0.18 AML other m 2022-07-31T04:50:35.83
IV.SMA1.EHE. ML:1.2 0.00010159999999999999 0.66 AML other m 2022-07-31T04:50:35.65
IV.FDMO.HHN. ML:1.2 0.00009184999999999998 0.28 AML other m 2022-07-31T04:50:36.19
IV.GUMA.HHN. ML:1.7 0.000279 1.08 AML other m 2022-07-31T04:50:36.60
IV.CSP1.EHE. ML:1.5 0.0001675 0.26 AML other m 2022-07-31T04:50:36.70
IV.SMA1.EHN. ML:1.0 0.000060299999999999995 0.42 AML other m 2022-07-31T04:50:36.74
IV.CSP1.EHN. ML:1.5 0.00015900000000000002 0.74 AML other m 2022-07-31T04:50:37.17
IV.LNSS.HHE. ML:1.2 0.0000756 0.36 AML other m 2022-07-31T04:50:38.30
IV.CESI.HHE. ML:1.0 0.00004685 0.78 AML other m 2022-07-31T04:50:38.35
IV.CESI.HHN. ML:1.4 0.00010469999999999998 0.52 AML other m 2022-07-31T04:50:38.75
IV.LNSS.HHN. ML:1.2 0.00006475 1.02 AML other m 2022-07-31T04:50:39.07
IV.GUMA.HHE. ML:1.7 0.000251 1.46 AML other m 2022-07-31T04:50:39.82
IV.RM33.EHN. ML:1.1 0.0000494 0.32 AML other m 2022-07-31T04:50:39.46
IV.TERO.HHE. ML:1.0 0.00003755 0.28 AML other m 2022-07-31T04:50:39.37
IV.MML1.EHN. ML:1.0 0.00003655 0.68 AML other m 2022-07-31T04:50:39.17
IV.RM33.EHE. ML:1.3 0.00008049999999999999 0.48 AML other m 2022-07-31T04:50:39.72
IV.MML1.EHE. ML:0.8 0.00002535 1.12 AML other m 2022-07-31T04:50:39.79
IV.TERO.HHN. ML:1.0 0.00004145 0.5 AML other m 2022-07-31T04:50:40.43
IV.CING.HHN. ML:1.1 0.0000246 0.66 AML other m 2022-07-31T04:50:47.17
IV.CING.HHE. ML:1.1 0.0000243 0.22 AML other m 2022-07-31T04:50:47.59
IV.SSFR.HHE. ML:1.1 0.000020850000000000002 0.2 AML other m 2022-07-31T04:50:51.19
IV.SSFR.HHN. ML:1.1 0.000022199999999999998 1.22 AML other m 2022-07-31T04:50:51.86
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download