Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 06-03-2023 and time 12:59:45 (UTC) in region 5 km W Montemonaco (AP)

A magnitude ML 1.0 earthquake occured in region: 5 km W Montemonaco (AP), on

  • 06-03-2023 12:59:45 (UTC)
  • 06-03-2023 13:59:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 13.2740 at 25 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.

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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
Montemonaco AP 5 604 604
Montegallo AP 7 523 1127
Montefortino FM 9 1178 2305
Castelsantangelo sul Nera MC 10 281 2586
Amandola FM 13 3629 6215
Arquata del Tronto AP 13 1178 7393
Bolognola MC 13 142 7535
Ussita MC 13 444 7979
Comunanza AP 14 3166 11145
Palmiano AP 15 196 11341
Visso MC 16 1107 12448
Roccafluvione AP 17 2010 14458
Sarnano MC 17 3264 17722
Acquasanta Terme AP 17 2916 20638
Norcia PG 18 4957 25595
Venarotta AP 18 2066 27661
Acquacanina MC 18 121 27782
Montefalcone Appennino FM 19 424 28206
Preci PG 19 724 28930
Fiastra MC 19 559 29489
Smerillo FM 19 365 29854
Force AP 20 1354 31208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
63 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
83 Km NW of Montesilvano (53738 inhabitants)
84 Km S of Ancona (100861 inhabitants)
90 Km NW of Pescara (121014 inhabitants)
94 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 1.0 2023-03-06
12:59:45		 42.886 13.2737 25 2023-03-06
14:20:19		 Sala Sismica INGV-Roma 115038001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-06 12:59:45 ± 0.14
Latitude 42.8860 ± 0.0045
Longitude 13.2737 ± 0.0061
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115038001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 115038001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-06 14:20:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HNE. 2023-03-06T12:59:58.95 0.3 undecidable manual S 211 36.741 117 0.48 63
IV.CESI.HHZ. 2023-03-06T12:59:58.12 0.3 undecidable manual S 294 32.745 121 0.58 62
IV.MML1.EHZ. 2023-03-06T12:59:57.90 0.3 undecidable manual S 316 35.1426 119 -0.21 68
IV.SMA1.EHZ. 2023-03-06T12:59:56.52 0.1 undecidable manual S 170 28.749 125 -0.13 94
IV.MF5.EHZ. 2023-03-06T12:59:55.03 0.1 undecidable manual S 53 18.87 138 0.38 90
IV.FDMO.HHZ. 2023-03-06T12:59:55.15 0.1 undecidable manual S 318 22.5552 132 -0.19 93
IV.CSP1.EHZ. 2023-03-06T12:59:55.52 0.1 undecidable manual S 346 23.4543 131 -0.02 96
IV.GUMA.HNN. 2023-03-06T12:59:55.34 0.3 undecidable manual S 14 20.2686 136 0.44 67
IV.NRCA.HHZ. 2023-03-06T12:59:53.99 0.3 undecidable manual S 246 14.1747 146 0.1 72
7F.SIB1.EHE. 2023-03-06T12:59:53.00 0.6 undecidable manual S 343 0.999 177 0.23 48
IV.MC2.EHN. 2023-03-06T12:59:53.37 0.6 undecidable manual S 292 7.3815 161 0.28 47
7F.SIB3.EHE. 2023-03-06T12:59:52.51 0.3 undecidable manual S 194 1.2987 177 -0.26 71
IV.LNSS.HNE. 2023-03-06T12:59:52.95 0.1 undecidable manual P 211 36.741 117 0.05 93
7F.SIB2.EHE. 2023-03-06T12:59:52.42 0.3 undecidable manual S 77 2.4975 174 -0.38 69
IV.CESI.HHZ. 2023-03-06T12:59:52.40 0.3 undecidable manual P 294 32.745 121 0.04 71
IV.MML1.EHZ. 2023-03-06T12:59:52.54 1.0 positive manual P 316 35.1426 119 -0.15 23
IV.CSP1.EHZ. 2023-03-06T12:59:51.12 0.3 undecidable manual P 346 23.4543 131 -0.08 71
IV.SMA1.EHZ. 2023-03-06T12:59:51.72 0.3 undecidable manual P 170 28.749 125 -0.13 71
IV.GUMA.HNN. 2023-03-06T12:59:50.85 0.3 undecidable manual P 14 20.2686 136 0.01 73
IV.NRCA.HHZ. 2023-03-06T12:59:50.20 0.1 positive manual P 246 14.1747 146 -0.06 98
IV.MF5.EHZ. 2023-03-06T12:59:50.78 0.1 negative manual P 53 18.87 138 0.09 96
IV.FDMO.HHZ. 2023-03-06T12:59:50.88 0.6 positive manual P 318 22.5552 132 -0.21 46
IV.MC2.EHN. 2023-03-06T12:59:49.80 0.1 undecidable manual P 292 7.3815 161 0.01 99
7F.SIB1.EHE. 2023-03-06T12:59:49.58 0.1 undecidable manual P 343 0.999 177 -0.03 100
7F.SIB3.EHE. 2023-03-06T12:59:49.39 0.1 undecidable manual P 194 1.2987 177 -0.22 96
IV.MMO1.EHZ. 2023-03-06T12:59:49.46 3.0 positive manual P -0.07 0
7F.SIB2.EHE. 2023-03-06T12:59:49.33 0.1 undecidable manual P 77 2.4975 174 -0.3 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.00005715 0.92 AML other m 2023-03-06T12:59:54.56
IV.FDMO.HHE. ML:1.0 0.00005125 1.34 AML other m 2023-03-06T12:59:55.98
IV.NRCA.HHN. ML:1.0 0.000056550000000000006 0.12 AML other m 2023-03-06T12:59:55.31
IV.FDMO.HHN. ML:1.1 0.00006245 0.26 AML other m 2023-03-06T12:59:55.53
IV.MML1.EHN. ML:1.1 0.00003825 0.24 AML other m 2023-03-06T12:59:58.59
IV.MML1.EHE. ML:0.9 0.00002555 0.16 AML other m 2023-03-06T12:59:58.71
IV.MF5.EHE. ML:5.0 0.499977149165 1.8304 AML other m 2023-03-06T12:59:57.22
IV.MF5.EHN. ML:1.0 0.000048712955 0.1216 AML other m 2023-03-06T12:59:55.46
IV.SMA1.EHE. ML:0.7 0.0000193153885 0.16 AML other m 2023-03-06T12:59:57.89
IV.SMA1.EHN. ML:1.0 0.00003429827 1.824 AML other m 2023-03-06T12:59:57.85
IV.CESI.HHE. ML:0.6 0.000013351415 0.4032 AML other m 2023-03-06T13:00:02.12
IV.CESI.HHN. ML:0.9 0.000029545059999999997 0.1344 AML other m 2023-03-06T12:59:58.40
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