Earthquake with magnitude of ML 1.5 on date 30-08-2023 and time 12:41:30 (Italy) in region 2 km NE Montegallo (AP)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Montegallo (AP), on

  • 30-08-2023 10:41:30 (UTC)
  • 30-08-2023 12:41:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8600, 13.3500 at 21 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 2 523 523
Montemonaco AP 5 604 1127
Montefortino FM 9 1178 2305
Palmiano AP 10 196 2501
Roccafluvione AP 10 2010 4511
Arquata del Tronto AP 11 1178 5689
Acquasanta Terme AP 11 2916 8605
Venarotta AP 12 2066 10671
Comunanza AP 12 3166 13837
Amandola FM 14 3629 17466
Force AP 16 1354 18820
Castelsantangelo sul Nera MC 17 281 19101
Montefalcone Appennino FM 17 424 19525
Smerillo FM 18 365 19890
Bolognola MC 18 142 20032
Valle Castellana TE 18 977 21009
Ascoli Piceno AP 19 49407 70416
Ussita MC 20 444 70860
Sarnano MC 20 3264 74124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Teramo (54892 inhabitants)
54 Km E of Foligno (57155 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
66 Km NE of Terni (111501 inhabitants)
76 Km NW of Montesilvano (53738 inhabitants)
83 Km E of Perugia (166134 inhabitants)
83 Km NW of Pescara (121014 inhabitants)
85 Km S of Ancona (100861 inhabitants)
88 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 1.5 2023-08-30
10:41:30
42.8603 13.3503 21 2023-08-30
10:52:57
Sala Sismica INGV-Roma 120603321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-30 10:41:30 ± 0.14
Latitude 42.8603 ± 0.0036
Longitude 13.3503 ± 0.0098
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120603321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 741
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43887
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 120603321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-30 10:52:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.BOSI.HHZ. 2023-08-30T10:43:27.41 3.0 undecidable manual Sg 15.47 0
IV.CAR1.HHZ. 2023-08-30T10:43:15.24 3.0 undecidable manual Sn 0.59 0
ST.PANI.EHZ. 2023-08-30T10:42:58.18 3.0 undecidable manual Sn -3.9 0
AC.SRN.HHZ. 2023-08-30T10:42:54.71 3.0 undecidable manual Pn 5.56 0
IV.ECTS.HHZ. 2023-08-30T10:42:40.68 3.0 undecidable manual Pn -0.78 0
IV.CAFE.HHZ. 2023-08-30T10:42:27.59 3.0 undecidable manual Sn -0.46 0
IV.VITU.HHZ. 2023-08-30T10:42:25.25 3.0 undecidable manual Sn 5.91 0
IV.PAOL.HHZ. 2023-08-30T10:42:22.25 3.0 undecidable manual Sn -0.07 0
IV.RIBO.EHZ.01 2023-08-30T10:42:18.01 3.0 undecidable manual Sn -2.58 0
IV.MCRV.HHZ. 2023-08-30T10:42:08.83 3.0 undecidable manual Pn 4.75 0
IV.IMOL.HNZ. 2023-08-30T10:41:59.42 3.0 negative manual Pn 0.14 0
IV.RIBO.EHZ.01 2023-08-30T10:41:56.31 3.0 undecidable manual P -1.06 0
IV.RM33.EHZ. 2023-08-30T10:41:45.14 0.6 undecidable manual S 196 40.5261 109 0.68 40
IV.CSP1.EHZ. 2023-08-30T10:41:41.72 0.6 undecidable manual S 335 28.2495 119 0.26 46
IV.GUMA.HHZ. 2023-08-30T10:41:40.56 0.6 undecidable manual S 357 22.4553 126 0.4 45
IV.SMA1.EHZ. 2023-08-30T10:41:40.83 0.6 undecidable manual S 183 25.5522 122 -0.01 49
IV.NRCA.HHZ. 2023-08-30T10:41:39.78 0.6 undecidable manual S 261 19.4694 131 0.25 47
IV.GIGS.HHZ. 2023-08-30T10:41:39.26 1.0 undecidable manual P 158 48.7179 106 -0.58 20
IV.MF5.EHZ. 2023-08-30T10:41:39.21 0.6 undecidable manual S 32 16.6722 136 0.21 47
IV.RM33.EHZ. 2023-08-30T10:41:38.81 0.6 undecidable manual P 196 40.5261 109 0.16 46
IV.LNSS.HHZ. 2023-08-30T10:41:38.22 0.3 undecidable manual P 222 38.1285 111 -0.08 70
IV.TERO.HHZ. 2023-08-30T10:41:37.46 1.0 undecidable manual P 142 33.4443 114 -0.18 23
IV.MMO1.EHZ. 2023-08-30T10:41:37.24 0.6 undecidable manual S 336 4.6953 166 -0.18 49
7F.SIB2.EHN. 2023-08-30T10:41:37.21 0.6 undecidable manual S 312 5.0949 165 -0.23 48
IV.PF6.EHN. 2023-08-30T10:41:37.35 0.1 undecidable manual P 338 33.2445 114 -0.26 91
IV.GUMA.HHZ. 2023-08-30T10:41:36.31 0.3 undecidable manual P 357 22.4553 126 0.14 71
IV.SMA1.EHZ. 2023-08-30T10:41:36.56 0.6 undecidable manual P 183 25.5522 122 0 49
IV.CSP1.EHZ. 2023-08-30T10:41:36.85 0.1 undecidable manual P 335 28.2495 119 -0.07 96
IV.NRCA.HHZ. 2023-08-30T10:41:35.99 1.0 undecidable manual P 261 19.4694 131 0.19 24
IV.MF5.EHZ. 2023-08-30T10:41:35.63 0.1 negative manual P 32 16.6722 136 0.13 96
IV.MC2.EHE. 2023-08-30T10:41:35.34 0.1 undecidable manual P 293 14.2746 141 0.09 98
IV.MMO1.EHZ. 2023-08-30T10:41:34.52 0.6 undecidable manual P 336 4.6953 166 -0.06 50
7F.SIB2.EHN. 2023-08-30T10:41:34.36 0.1 undecidable manual P 312 5.0949 165 -0.24 96
7F.SIB3.EHN. 2023-08-30T10:41:34.45 0.1 undecidable manual P 284 6.6933 160 -0.22 96
7F.SIB1.EHZ. 2023-08-30T10:41:34.75 0.1 undecidable manual P 300 7.5813 158 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.00011291 0.0832 AML other m 2023-08-30T10:41:40.12
IV.NRCA.HHN. ML:1.3 0.000100754585 0.0768 AML other m 2023-08-30T10:41:40.38
IV.GUMA.HHE. ML:1.7 0.00027600000000000004 0.28 AML other m 2023-08-30T10:41:40.80
IV.GUMA.HHN. ML:1.6 0.0002085895 0.224 AML other m 2023-08-30T10:41:40.77
IV.MF5.EHE. ML:1.3 0.00011729680000000001 0.224 AML other m 2023-08-30T10:41:39.54
IV.MF5.EHN. ML:1.5 0.00017025435 0.16 AML other m 2023-08-30T10:41:39.46
IV.NRCA.HNE. ML:1.5 0.00017477904999999998 5.1008 AML other m 2023-08-30T10:41:36.36
IV.NRCA.HNN. ML:1.5 0.00017144135 2.0416 AML other m 2023-08-30T10:41:45.34
IV.GUMA.HNE. ML:1.6 0.00017982015000000002 1.1072 AML other m 2023-08-30T10:41:41.40
IV.GUMA.HNN. ML:1.7 0.0002566353 0.2176 AML other m 2023-08-30T10:41:40.77
IV.SMA1.EHE. ML:1.2 0.000069948895 0.2368 AML other m 2023-08-30T10:41:41.16
IV.SMA1.EHN. ML:1.0 0.00005171856 0.1024 AML other m 2023-08-30T10:41:41.32
IV.TERO.HHE. ML:1.0 0.00003832895 2.0416 AML other m 2023-08-30T10:41:47.15
IV.TERO.HHN. ML:1.0 0.000034641464999999994 1.4976 AML other m 2023-08-30T10:41:49.96
IV.TERO.HNE. ML:1.6 0.000145683035 7.1232 AML other m 2023-08-30T10:41:57.70
IV.TERO.HNN. ML:1.9 0.0002632766 18.2016 AML other m 2023-08-30T10:41:58.80
IV.LNSS.HHE. ML:1.3 0.00006433074 0.3776 AML other m 2023-08-30T10:41:45.19
IV.LNSS.HHN. ML:1.3 0.0000720034 0.2752 AML other m 2023-08-30T10:41:44.90
IV.LNSS.HNE. ML:1.7 0.00014593063 0.6912 AML other m 2023-08-30T10:41:56.46
IV.LNSS.HNN. ML:1.7 0.00014300982 1.088 AML other m 2023-08-30T10:42:01.74
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