Earthquake with magnitude of ML 1.6 on date 30-10-2023 and time 04:42:40 (UTC) in region 3 km SW Montemonaco (AP)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Montemonaco (AP), on

  • 30-10-2023 04:42:40 (UTC)
  • 30-10-2023 05:42:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8750, 13.3170 at 24 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
Montemonaco AP 3 604 604
Montegallo AP 4 523 1127
Montefortino FM 8 1178 2305
Arquata del Tronto AP 11 1178 3483
Palmiano AP 12 196 3679
Amandola FM 12 3629 7308
Comunanza AP 12 3166 10474
Roccafluvione AP 13 2010 12484
Castelsantangelo sul Nera MC 14 281 12765
Acquasanta Terme AP 14 2916 15681
Venarotta AP 14 2066 17747
Bolognola MC 15 142 17889
Ussita MC 17 444 18333
Montefalcone Appennino FM 17 424 18757
Force AP 17 1354 20111
Smerillo FM 18 365 20476
Sarnano MC 18 3264 23740
Visso MC 20 1107 24847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Teramo (54892 inhabitants)
51 Km E of Foligno (57155 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
65 Km NE of Terni (111501 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
80 Km E of Perugia (166134 inhabitants)
84 Km S of Ancona (100861 inhabitants)
86 Km NW of Pescara (121014 inhabitants)
91 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 1.6 2023-10-30
04:42:40
42.8747 13.3172 24 2023-10-30
04:51:49
Sala Sismica INGV-Roma 122567041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-30 04:42:40 ± 0.14
Latitude 42.8747 ± 0.0045
Longitude 13.3172 ± 0.0074
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122567041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 41
Type of magnitude ML
Reference to an origin 122567041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-30 04:51:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2023-10-30T04:43:17.58 3.0 undecidable manual Pn 0.22 0
IV.SEI.HHZ. 2023-10-30T04:43:13.99 3.0 negative manual Pn -0.58 0
IV.VAGA.HNZ. 2023-10-30T04:43:12.01 3.0 undecidable manual Pg 1.41 0
IV.RUFI.EHZ. 2023-10-30T04:43:12.98 3.0 positive manual Pg 1.4 0
IV.VMGN.HHZ. 2023-10-30T04:43:11.76 3.0 positive manual Pg -0.61 0
IV.LAV9.HNZ. 2023-10-30T04:43:03.92 3.0 undecidable manual P -2.29 0
IV.ARRO.EHZ. 2023-10-30T04:42:59.08 0.1 undecidable manual S 234 55.5999 106 0.56 83
IV.GIGS.HHZ. 2023-10-30T04:42:57.55 0.1 undecidable manual S 156 51.2154 108 0.16 91
IV.RM33.EHZ. 2023-10-30T04:42:55.27 0.1 undecidable manual S 192 41.4252 113 0.32 90
IV.CESI.HHZ. 2023-10-30T04:42:54.22 0.1 undecidable manual S 293 36.5412 116 0.47 87
IV.CAMP.HHZ. 2023-10-30T04:42:54.16 0.1 undecidable manual S 169 38.3283 115 -0.03 96
IV.MML1.EHZ. 2023-10-30T04:42:54.24 0.1 undecidable manual S 314 38.5281 115 -0.01 96
IV.TERO.HHZ. 2023-10-30T04:42:53.87 0.3 undecidable manual S 140 36.4413 116 0.14 70
IV.ARRO.EHZ. 2023-10-30T04:42:51.06 1.0 positive manual P 234 55.5999 106 0.06 23
IV.FDMO.HHZ. 2023-10-30T04:42:51.11 0.1 undecidable manual S 314 25.8519 127 -0.22 95
IV.CING.HHZ. 2023-10-30T04:42:51.45 3.0 undecidable manual P -1.63 0
IV.CSP1.EHZ. 2023-10-30T04:42:51.36 0.1 undecidable manual S 339 25.752 127 0.06 97
IV.SMA1.EHZ. 2023-10-30T04:42:51.42 0.1 undecidable manual S 177 27.1506 125 -0.18 95
IV.GIGS.HHZ. 2023-10-30T04:42:50.01 1.0 positive manual P 156 51.2154 108 -0.34 22
IV.GUMA.HHZ. 2023-10-30T04:42:50.78 0.1 undecidable manual S 4 20.868 134 0.47 89
IV.NRCA.HHZ. 2023-10-30T04:42:49.62 0.1 undecidable manual S 255 17.0718 140 0 100
IV.CAMP.HHZ. 2023-10-30T04:42:48.24 0.6 positive manual P 169 38.3283 115 -0.26 46
IV.OFFI.HHZ. 2023-10-30T04:42:48.00 0.6 undecidable manual P 77 30.6471 121 0.54 43
IV.MML1.EHZ. 2023-10-30T04:42:48.25 0.1 undecidable manual P 314 38.5281 115 -0.28 91
IV.RM33.EHZ. 2023-10-30T04:42:48.80 0.1 undecidable manual P 192 41.4252 113 -0.13 93
IV.LNSS.HHZ. 2023-10-30T04:42:48.48 3.0 undecidable manual S 0
IV.CESI.HHZ. 2023-10-30T04:42:48.05 0.1 undecidable manual P 293 36.5412 116 -0.19 93
IV.MMO1.EHZ. 2023-10-30T04:42:47.84 0.1 undecidable manual S 16 2.8971 172 -0.19 99
IV.MNTT.EHZ. 2023-10-30T04:42:47.80 0.6 negative manual P 47 30.747 121 0.34 45
IV.TERO.HHZ. 2023-10-30T04:42:47.99 1.0 negative manual P 140 36.4413 116 -0.24 23
IV.LNSS.HHZ. 2023-10-30T04:42:46.30 3.0 undecidable manual P 0
IV.SMA1.EHZ. 2023-10-30T04:42:46.83 0.1 positive manual P 177 27.1506 125 -0.17 95
IV.GUMA.HHZ. 2023-10-30T04:42:46.28 0.1 negative manual P 4 20.868 134 0.02 98
IV.FDMO.HHZ. 2023-10-30T04:42:46.54 0.1 positive manual P 314 25.8519 127 -0.31 93
IV.CSP1.EHZ. 2023-10-30T04:42:46.68 0.1 negative manual P 339 25.752 127 -0.15 96
IV.NRCA.HHZ. 2023-10-30T04:42:45.71 0.1 positive manual P 255 17.0718 140 -0.14 97
IV.MMO1.EHZ. 2023-10-30T04:42:44.79 0.1 undecidable manual P 16 2.8971 172 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.2 0.0008545 0.14 AML other m 2023-10-30T04:42:49.66
IV.NRCA.HNE. ML:2.2 0.0008395000000000001 0.14 AML other m 2023-10-30T04:42:49.66
IV.NRCA.HNN. ML:2.3 0.0010087234000000001 0.1216 AML other m 2023-10-30T04:42:49.70
IV.NRCA.HHN. ML:2.3 0.0011240786000000001 0.1216 AML other m 2023-10-30T04:42:49.70
IV.GUMA.HNN. ML:0.0 0.00025956837 0.3712 AML other m 2023-10-30T04:42:55.93
IV.FDMO.HHN. ML:1.5 0.00014329471500000002 0.1184 AML other m 2023-10-30T04:42:51.47
IV.FDMO.HHE. ML:1.5 0.00012471422 0.0992 AML other m 2023-10-30T04:42:51.38
IV.GUMA.HHN. ML:0.0 0.000279816 0.2624 AML other m 2023-10-30T04:42:51.59
IV.CSP1.EHE. ML:2.2 0.0006995 0.42 AML other m 2023-10-30T04:42:51.59
IV.GUMA.HNE. ML:0.0 0.00024113200000000002 0.3008 AML other m 2023-10-30T04:42:52.39
IV.SMA1.EHE. ML:1.5 0.0001302125 0.1984 AML other m 2023-10-30T04:42:51.78
IV.CSP1.EHN. ML:2.0 0.00044858794999999996 0.2592 AML other m 2023-10-30T04:42:51.93
IV.GUMA.HHE. ML:0.0 0.00023068269999999998 0.4416 AML other m 2023-10-30T04:42:52.39
IV.SMA1.EHN. ML:1.5 0.0001349779 0.1376 AML other m 2023-10-30T04:42:52.58
IV.CAMP.HHE. ML:1.3 0.0000629 0.34 AML other m 2023-10-30T04:42:54.54
IV.TERO.HHN. ML:1.6 0.000142 0.1 AML other m 2023-10-30T04:42:54.37
IV.TERO.HHE. ML:1.4 0.000074898165 0.08 AML other m 2023-10-30T04:42:55.46
IV.MML1.EHE. ML:1.4 0.00007014999999999998 0.2 AML other m 2023-10-30T04:42:54.63
IV.CESI.HHN. ML:1.7 0.0001733955 0.24 AML other m 2023-10-30T04:42:54.31
IV.MML1.EHN. ML:1.5 0.00009209999999999999 0.18 AML other m 2023-10-30T04:42:54.58
IV.CESI.HHE. ML:1.5 0.00009732185500000001 0.1216 AML other m 2023-10-30T04:42:54.74
IV.LNSS.HHE. ML:0.0 0.00018862495 0.2624 AML other m 2023-10-30T04:42:55.07
IV.LNSS.HHN. ML:0.0 0.00013520943499999998 0.2208 AML other m 2023-10-30T04:42:55.08
IV.RM33.EHN. ML:1.4 0.00007350000000000001 0.24 AML other m 2023-10-30T04:42:55.45
IV.CAMP.HHN. ML:1.2 0.0000547 0.3 AML other m 2023-10-30T04:42:55.53
IV.RM33.EHE. ML:1.6 0.00011698870000000001 0.1216 AML other m 2023-10-30T04:42:56.23
IV.GIGS.HHE. ML:0.9 0.000020890525 0.2784 AML other m 2023-10-30T04:42:59.26
IV.MMO1.EHE. ML:2.0 0.0006779941 0.08 AML other m 2023-10-30T04:42:47.93
IV.MMO1.EHN. ML:2.2 0.0009510261 0.0576 AML other m 2023-10-30T04:42:48.07
IV.LNSS.HNE. ML:1.8 0.00018136505 0.2816 AML other m 2023-10-30T04:42:54.93
IV.LNSS.HNN. ML:1.4 0.0000832578615 39.6 AML other m 2023-10-30T04:42:45.64
IV.MNTT.EHE. ML:1.4 0.00010184657 0.4192 AML other m 2023-10-30T04:42:57.50
IV.MNTT.EHN. ML:1.6 0.00013676805 0.2592 AML other m 2023-10-30T04:42:56.10
IV.TERO.HNN. ML:1.7 0.00015226479 0.0992 AML other m 2023-10-30T04:42:54.39
IV.CESI.HNN. ML:1.7 0.00015866819999999998 0.1504 AML other m 2023-10-30T04:42:54.24
IV.RM33.HNE. ML:1.7 0.00014043079999999998 0.3008 AML other m 2023-10-30T04:42:56.83
IV.RM33.HNN. ML:1.6 0.00012285830000000002 0.48 AML other m 2023-10-30T04:42:58.83
IV.ARRO.EHE. ML:1.3 0.000039293359999999996 0.2208 AML other m 2023-10-30T04:43:01.09
IV.ARRO.EHN. ML:1.2 0.00003632287 0.24 AML other m 2023-10-30T04:43:03.20
IV.CING.HHE. ML:1.1 0.000023684709999999998 0.88 AML other m 2023-10-30T04:42:59.02
IV.CING.HHN. ML:0.9 0.000017204839999999998 0.0992 AML other m 2023-10-30T04:43:00.15
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