Earthquake with magnitude of ML 1.9 on date 08-11-2023 and time 15:22:07 (Italy) in region 3 km NW Montegallo (AP)

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

  • 08-11-2023 14:22:07 (UTC)
  • 08-11-2023 15:22:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 13.3180 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
Montegallo AP 3 523 523
Montemonaco AP 4 604 1127
Montefortino FM 8 1178 2305
Arquata del Tronto AP 11 1178 3483
Palmiano AP 12 196 3679
Comunanza AP 13 3166 6845
Amandola FM 13 3629 10474
Roccafluvione AP 13 2010 12484
Acquasanta Terme AP 14 2916 15400
Castelsantangelo sul Nera MC 14 281 15681
Venarotta AP 14 2066 17747
Bolognola MC 16 142 17889
Ussita MC 17 444 18333
Force AP 18 1354 19687
Montefalcone Appennino FM 18 424 20111
Smerillo FM 18 365 20476
Sarnano MC 19 3264 23740
Visso MC 20 1107 24847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Teramo (54892 inhabitants)
51 Km E of Foligno (57155 inhabitants)
58 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)
85 Km S of Ancona (100861 inhabitants)
86 Km NW of Pescara (121014 inhabitants)
90 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 1.9 2023-11-08
14:22:07
42.8703 13.3177 24 2023-11-08
14:28:49
Sala Sismica INGV-Roma 122928381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-08 14:22:07 ± 0.12
Latitude 42.8703 ± 0.0054
Longitude 13.3177 ± 0.0061
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 122928381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 445
Semi-minor axis of confidence ellipse (meter) 441
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 122928381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-08 14:28:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2023-11-08T14:22:21.35 3.0 negative manual P 0.19 0
IV.SNTG.HHZ. 2023-11-08T14:22:17.29 3.0 positive manual P -0.04 0
IV.MTRA.HNZ. 2023-11-08T14:22:16.09 0.6 undecidable manual S 153 14.1747 146 0.06 50
IV.NRCA.HHZ. 2023-11-08T14:22:16.74 0.6 undecidable manual S 256 17.0718 141 0.25 47
IV.MML1.EHZ. 2023-11-08T14:22:15.22 3.0 positive manual P -0.07 0
IV.MMO1.EHZ. 2023-11-08T14:22:15.01 0.6 undecidable manual S 13 3.2967 171 0.05 51
IV.RM33.EHZ. 2023-11-08T14:22:15.76 3.0 negative manual Pg 0.03 0
7F.SIB2.EHE. 2023-11-08T14:22:14.84 0.6 undecidable manual S 334 2.5974 173 -0.1 50
IV.TERO.HHZ. 2023-11-08T14:22:14.81 3.0 negative manual P -0.36 0
7F.SIB3.EHE. 2023-11-08T14:22:14.98 0.6 undecidable manual S 278 3.8961 170 -0.01 51
IV.CESI.HHZ. 2023-11-08T14:22:14.46 3.0 undecidable manual P -0.5 0
IV.CSP1.EHZ. 2023-11-08T14:22:13.60 0.6 positive manual P 340 26.2515 127 -0.12 48
IV.MTRA.HNZ. 2023-11-08T14:22:12.40 0.3 undecidable manual P 153 14.1747 146 -0.03 75
IV.NRCA.HHZ. 2023-11-08T14:22:12.70 0.1 negative manual P 256 17.0718 141 0.01 100
IV.MF5.EHZ. 2023-11-08T14:22:12.89 0.1 positive manual P 41 17.3715 140 0.16 97
7F.SIB1.EHE. 2023-11-08T14:22:11.92 0.3 undecidable manual P 305 4.6953 168 0.07 76
7F.SIB2.EHE. 2023-11-08T14:22:11.67 0.1 undecidable manual P 334 2.5974 173 -0.13 100
IV.MMO1.EHZ. 2023-11-08T14:22:11.82 0.6 negative manual P 13 3.2967 171 0.01 51
7F.SIB3.EHE. 2023-11-08T14:22:11.71 0.1 undecidable manual P 278 3.8961 170 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:1.8 0.0004505 0.36 AML other m 2023-11-08T14:22:15.03
IV.MMO1.EHN. ML:1.6 0.000252 0.48 AML other m 2023-11-08T14:22:15.27
IV.MTRA.HNN. ML:2.0 0.0005295 0.6 AML other m 2023-11-08T14:22:16.32
IV.MTRA.EHN. ML:2.0 0.000544 0.6 AML other m 2023-11-08T14:22:16.32
IV.MTRA.EHE. ML:2.2 0.0008785 0.18 AML other m 2023-11-08T14:22:16.71
IV.MTRA.HNE. ML:2.2 0.000877 0.18 AML other m 2023-11-08T14:22:16.71
IV.NRCA.HHE. ML:2.1 0.000641 1.32 AML other m 2023-11-08T14:22:16.81
IV.NRCA.HHN. ML:2.0 0.0005809999999999999 0.12 AML other m 2023-11-08T14:22:16.85
IV.MF5.EHN. ML:1.8 0.00032250000000000003 0.14 AML other m 2023-11-08T14:22:17.21
IV.MF5.EHE. ML:1.8 0.000309 0.24 AML other m 2023-11-08T14:22:17.41
IV.CSP1.EHN. ML:1.9 0.0003085 0.14 AML other m 2023-11-08T14:22:18.49
IV.CSP1.EHE. ML:1.8 0.00028100000000000005 0.4 AML other m 2023-11-08T14:22:18.65
IV.CESI.HHE. ML:1.6 0.00012314999999999998 0.28 AML other m 2023-11-08T14:22:21.21
IV.CESI.HHN. ML:1.8 0.00019350000000000001 0.22 AML other m 2023-11-08T14:22:21.37
IV.MML1.EHE. ML:1.7 0.000142 0.2 AML other m 2023-11-08T14:22:21.67
IV.MML1.EHN. ML:1.8 0.00020449999999999998 0.16 AML other m 2023-11-08T14:22:21.65
IV.RM33.EHE. ML:1.9 0.0002525 1.72 AML other m 2023-11-08T14:22:22.86
IV.RM33.EHN. ML:1.9 0.0002055 0.86 AML other m 2023-11-08T14:22:22.89
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