Earthquake with magnitude of ML 1.2 on date 28-05-2023 and time 03:04:43 (UTC) in region 7 km W Montegallo (AP)

A magnitude ML 1.2 earthquake occured in region: 7 km W Montegallo (AP), on

  • 28-05-2023 03:04:43 (UTC)
  • 28-05-2023 05:04:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8450, 13.2520 at 13 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
Montemonaco AP 9 604 1127
Arquata del Tronto AP 9 1178 2305
Castelsantangelo sul Nera MC 10 281 2586
Montefortino FM 13 1178 3764
Norcia PG 14 4957 8721
Ussita MC 14 444 9165
Acquasanta Terme AP 15 2916 12081
Visso MC 16 1107 13188
Accumoli RI 17 667 13855
Bolognola MC 17 142 13997
Amandola FM 17 3629 17626
Preci PG 18 724 18350
Palmiano AP 18 196 18546
Comunanza AP 18 3166 21712
Roccafluvione AP 18 2010 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
59 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
89 Km W of Pescara (121014 inhabitants)
93 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 1.2 2023-05-28
03:04:43
42.845 13.2523 13 2023-05-28
03:09:22
Sala Sismica INGV-Roma 117798701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 03:04:43 ± 0.06
Latitude 42.8450 ± 0.0027
Longitude 13.2523 ± 0.0037
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 117798701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34084
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:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 117798701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 03:09:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-05-28T03:05:02.53 3.0 undecidable manual S 0.53 0
IV.EL6.EHZ. 2023-05-28T03:05:01.18 3.0 undecidable manual S 0.07 0
IV.RM33.EHZ. 2023-05-28T03:04:56.04 0.3 undecidable manual S 185 37.4292 93 0.24 68
IV.CESI.HHZ. 2023-05-28T03:04:54.79 0.3 undecidable manual S 302 33.3444 94 0.07 70
IV.SSFR.HHZ. 2023-05-28T03:04:54.79 3.0 undecidable manual P -0.48 0
IV.LNSS.HHZ. 2023-05-28T03:04:54.66 0.6 undecidable manual S 213 31.9458 94 0.32 45
IV.CSP1.EHZ. 2023-05-28T03:04:53.17 0.3 undecidable manual S 352 27.6501 96 -0.03 72
IV.GUMA.HHZ. 2023-05-28T03:04:53.28 0.3 undecidable manual S 16 25.0527 97 0.76 59
IV.SNTG.HHZ. 2023-05-28T03:04:53.80 3.0 undecidable manual P 1.47 0
IV.FOSV.EHZ. 2023-05-28T03:04:52.85 3.0 undecidable manual P -0.93 0
IV.FDMO.HHZ. 2023-05-28T03:04:52.26 0.3 undecidable manual S 328 25.1526 97 -0.27 69
IV.ARRO.EHZ. 2023-05-28T03:04:52.41 3.0 positive manual P 0.4 0
IV.GIGS.HHZ. 2023-05-28T03:04:52.41 3.0 positive manual Pn 0.08 0
IT.MTCL.HGZ. 2023-05-28T03:04:52.53 0.6 undecidable manual S 309 26.3514 96 -0.33 46
IV.FEMA.HNZ. 2023-05-28T03:04:51.41 0.3 undecidable manual S 308 20.9679 100 -0.02 73
IV.ASSB.HHZ. 2023-05-28T03:04:50.95 3.0 positive manual P -1.47 0
IV.TERO.HHZ. 2023-05-28T03:04:50.56 0.6 undecidable manual P 131 37.8288 93 -0.04 47
IV.RM33.EHZ. 2023-05-28T03:04:50.50 1.0 negative manual P 185 37.4292 93 -0.03 24
IV.MML1.EHZ. 2023-05-28T03:04:50.51 0.6 positive manual P 323 37.5291 93 -0.04 47
IV.LNSS.HHZ. 2023-05-28T03:04:49.71 0.1 negative manual P 213 31.9458 94 0.02 96
IV.MTRA.HNZ. 2023-05-28T03:04:49.86 0.3 undecidable manual S 130 15.2736 111 -0.11 72
IV.CESI.HHZ. 2023-05-28T03:04:49.84 0.1 negative manual P 302 33.3444 94 -0.07 95
IT.MTCL.HGZ. 2023-05-28T03:04:48.62 0.1 undecidable manual P 309 26.3514 96 -0.22 93
IV.CSP1.EHZ. 2023-05-28T03:04:48.92 0.1 undecidable manual P 352 27.6501 96 -0.12 95
IV.FEMA.HNZ. 2023-05-28T03:04:48.04 0.3 undecidable manual P 308 20.9679 100 0.03 73
IV.MMO1.EHZ. 2023-05-28T03:04:48.40 0.3 undecidable manual S 45 8.5803 135 -0.06 74
7F.SIB2.EHZ. 2023-05-28T03:04:48.01 0.3 undecidable manual S 39 6.5934 144 -0.12 74
IV.FDMO.HHZ. 2023-05-28T03:04:48.47 0.6 negative manual P 328 25.1526 97 -0.18 47
IV.NRCA.HHZ. 2023-05-28T03:04:48.97 0.3 undecidable manual S 264 11.2776 124 -0.05 74
IV.GUMA.HHZ. 2023-05-28T03:04:48.88 0.3 positive manual P 16 25.0527 97 0.24 70
7F.SIB3.EHZ. 2023-05-28T03:04:47.80 0.1 undecidable manual S 23 3.5964 160 0.05 100
IV.NRCA.HHZ. 2023-05-28T03:04:46.69 0.1 undecidable manual P 264 11.2776 124 0.07 98
7F.SIB3.EHZ. 2023-05-28T03:04:46.00 0.1 undecidable manual P 23 3.5964 160 0.11 99
IV.MTRA.HNZ. 2023-05-28T03:04:46.99 0.3 undecidable manual P 130 15.2736 111 -0.18 71
IV.MMO1.EHZ. 2023-05-28T03:04:46.36 1.0 undecidable manual P 45 8.5803 135 0.06 25
7F.SIB2.EHZ. 2023-05-28T03:04:46.13 0.1 undecidable manual P 39 6.5934 144 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.5 0.000358 0.08 AML other m 2023-05-28T03:04:48.54
IV.MMO1.EHE. ML:1.5 0.00034 0.24 AML other m 2023-05-28T03:04:48.56
IV.NRCA.HNN. ML:1.8 0.0006035 1.14 AML other m 2023-05-28T03:04:49.61
IV.NRCA.HHE. ML:1.7 0.000514 0.9 AML other m 2023-05-28T03:04:49.04
IV.NRCA.HNE. ML:1.7 0.000491 0.9 AML other m 2023-05-28T03:04:49.04
IV.NRCA.HHN. ML:1.8 0.000647 0.96 AML other m 2023-05-28T03:04:49.08
IV.FDMO.HHN. ML:1.1 0.00006395000000000001 0.22 AML other m 2023-05-28T03:04:52.61
IV.FDMO.HHE. ML:1.1 0.0000718 0.18 AML other m 2023-05-28T03:04:52.63
IV.GUMA.HHN. ML:1.6 0.00020150000000000002 0.2 AML other m 2023-05-28T03:04:53.55
IV.CSP1.EHE. ML:1.3 0.0001085 0.16 AML other m 2023-05-28T03:04:53.64
IV.CSP1.EHN. ML:1.5 0.00016800000000000002 1.26 AML other m 2023-05-28T03:04:53.31
IV.CESI.HHE. ML:0.9 0.00002835 0.12 AML other m 2023-05-28T03:04:54.94
IV.CESI.HHN. ML:1.0 0.000046 0.32 AML other m 2023-05-28T03:04:55.13
IV.LNSS.HHN. ML:0.9 0.00003275 1.18 AML other m 2023-05-28T03:04:55.26
IV.LNSS.HHE. ML:0.8 0.00002755 0.78 AML other m 2023-05-28T03:04:55.64
IV.GUMA.HHE. ML:1.3 0.00011219999999999999 1.36 AML other m 2023-05-28T03:04:55.16
IV.FOSV.EHN. ML:1.1 0.0000272 0.34 AML other m 2023-05-28T03:04:56.64
IV.FOSV.EHE. ML:1.3 0.00003585 0.2 AML other m 2023-05-28T03:04:56.44
IV.TERO.HHN. ML:1.0 0.0000381 0.56 AML other m 2023-05-28T03:04:56.56
IV.TERO.HHE. ML:0.9 0.00003205 0.78 AML other m 2023-05-28T03:04:57.15
IV.RM33.EHN. ML:0.7 0.00002245 1.28 AML other m 2023-05-28T03:04:57.18
IV.RM33.EHE. ML:0.9 0.000028200000000000004 0.64 AML other m 2023-05-28T03:04:57.60
IV.MML1.EHN. ML:1.0 0.00004155 0.18 AML other m 2023-05-28T03:04:57.63
IV.MML1.EHE. ML:0.8 0.00002485 0.86 AML other m 2023-05-28T03:04:57.87
IV.SSFR.HHE. ML:1.2 0.000026350000000000004 1.16 AML other m 2023-05-28T03:05:01.02
IV.SSFR.HHN. ML:1.3 0.0000297 0.18 AML other m 2023-05-28T03:05:01.48
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