Earthquake with magnitude of ML 1.3 on date 15-08-2023 and time 18:31:45 (Italy) in region 5 km SW Acquacanina (MC)

A magnitude ML 1.3 earthquake occured in region: 5 km SW Acquacanina (MC), on

  • 15-08-2023 16:31:45 (UTC)
  • 15-08-2023 18:31:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9950, 13.1500 at 8 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
Acquacanina MC 5 121 121
Fiastra MC 5 559 680
Ussita MC 6 444 1124
Bolognola MC 6 142 1266
Fiordimonte MC 7 202 1468
Visso MC 9 1107 2575
Pievebovigliana MC 9 866 3441
Pieve Torina MC 10 1458 4899
Castelsantangelo sul Nera MC 11 281 5180
Monte Cavallo MC 12 145 5325
Muccia MC 13 915 6240
Sarnano MC 13 3264 9504
Preci PG 16 724 10228
Cessapalombo MC 16 512 10740
Montefortino FM 17 1178 11918
Amandola FM 17 3629 15547
Camerino MC 17 6974 22521
Caldarola MC 17 1823 24344
Gualdo MC 17 815 25159
Montemonaco AP 18 604 25763
Camporotondo di Fiastrone MC 18 563 26326
Serravalle di Chienti MC 18 1070 27396
San Ginesio MC 19 3498 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
74 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 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 1.3 2023-08-15
16:31:45
42.9948 13.1495 8 2023-08-15
16:38:58
Sala Sismica INGV-Roma 120158601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-15 16:31:45 ± 0.07
Latitude 42.9948 ± 0.0045
Longitude 13.1495 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120158601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 346
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 120158601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-15 16:38:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2023-08-15T16:32:17.24 3.0 undecidable manual Sn -0.46 0
IV.IMOL.HNZ. 2023-08-15T16:32:13.43 3.0 negative manual Pg 5.91 0
IV.MURB.HHZ. 2023-08-15T16:32:04.87 0.3 undecidable manual S 301 58.6968 50 0.44 64
IV.ATCC.EHZ. 2023-08-15T16:32:01.37 0.3 undecidable manual S 297 46.3203 50 0.23 69
IV.FOSV.HNZ. 2023-08-15T16:32:01.29 0.6 undecidable manual S 317 45.8208 50 0.31 45
IV.CRE.HHZ. 2023-08-15T16:31:59.36 3.0 undecidable manual P 0.58 0
IV.ASSB.HHZ. 2023-08-15T16:31:59.35 0.3 undecidable manual S 278 40.1265 50 -0.13 71
IV.EL6.EHZ. 2023-08-15T16:31:58.88 0.3 undecidable manual S 354 37.3293 50 0.16 71
IV.SNTG.HHZ. 2023-08-15T16:31:57.26 0.6 undecidable manual S 330 33.4443 103 -0.22 47
IV.ATFO.HHZ. 2023-08-15T16:31:57.40 0.1 undecidable manual P 312 62.3931 50 0.38 86
IV.MURB.HHZ. 2023-08-15T16:31:56.46 0.1 undecidable manual P 301 58.6968 50 0.01 94
IV.MF5.EHZ. 2023-08-15T16:31:55.55 0.3 undecidable manual S 92 25.1526 107 0.85 59
IV.TERO.HHZ. 2023-08-15T16:31:55.98 3.0 undecidable manual Pn 0.17 0
IV.ATCC.EHZ. 2023-08-15T16:31:54.50 0.1 undecidable manual P 297 46.3203 50 -0.05 95
IV.FOSV.HNZ. 2023-08-15T16:31:54.04 0.1 undecidable manual P 317 45.8208 50 -0.43 88
IV.ASSB.HHZ. 2023-08-15T16:31:53.52 0.1 undecidable manual P 278 40.1265 50 -0.08 96
IV.CESI.HNZ. 2023-08-15T16:31:53.71 0.6 undecidable manual S 273 19.869 111 0.74 41
IV.MMO1.EHZ. 2023-08-15T16:31:52.24 0.6 undecidable manual S 126 17.871 113 -0.08 50
IV.NRCA.HHZ. 2023-08-15T16:31:52.62 0.6 undecidable manual S 189 18.0708 113 0.22 48
IV.MML1.HNZ. 2023-08-15T16:31:52.70 0.6 undecidable manual S 312 19.5693 112 -0.15 49
IV.EL6.EHZ. 2023-08-15T16:31:52.50 0.1 undecidable manual P 354 37.3293 50 -0.66 83
IV.MF5.EHZ. 2023-08-15T16:31:51.10 0.6 undecidable manual P 92 25.1526 107 0.26 47
IV.PF6.EHZ. 2023-08-15T16:31:51.76 0.6 undecidable manual S 13 16.2726 115 -0.06 50
IV.SNTG.HHZ. 2023-08-15T16:31:51.86 0.1 undecidable manual P 330 33.4443 103 -0.58 86
IV.CSP1.EHZ. 2023-08-15T16:31:50.78 0.6 undecidable manual S 23 11.6772 124 0.36 47
IV.FDMO.HHZ. 2023-08-15T16:31:49.02 0.6 undecidable manual S 313 6.8931 139 -0.13 50
IV.NRCA.HHZ. 2023-08-15T16:31:49.40 0.6 undecidable manual P 189 18.0708 113 -0.11 49
IV.CESI.HNZ. 2023-08-15T16:31:49.72 0.1 undecidable manual P 273 19.869 111 -0.12 98
IV.MML1.HNZ. 2023-08-15T16:31:49.90 0.1 undecidable manual P 312 19.5693 112 0.13 98
IV.FEMA.HNZ. 2023-08-15T16:31:49.87 0.6 undecidable manual S 246 8.88 131 0.22 49
IV.GUMA.HHZ. 2023-08-15T16:31:49.72 1.0 positive manual P 63 16.872 115 0.44 23
IV.PF6.EHZ. 2023-08-15T16:31:49.10 0.1 undecidable manual P 13 16.2726 115 -0.07 100
IV.MC2.EHZ. 2023-08-15T16:31:49.63 0.3 undecidable manual S 161 9.7791 128 -0.26 73
IV.MMO1.EHZ. 2023-08-15T16:31:49.27 0.6 positive manual P 126 17.871 113 -0.2 49
IV.CSP1.EHZ. 2023-08-15T16:31:48.46 1.0 negative manual P 23 11.6772 124 0.09 25
IV.FEMA.HNZ. 2023-08-15T16:31:48.29 0.1 undecidable manual P 246 8.88 131 0.37 95
IV.FDMO.HHZ. 2023-08-15T16:31:47.61 1.0 undecidable manual P 313 6.8931 139 -0.02 26
IV.MC2.EHZ. 2023-08-15T16:31:47.59 0.1 undecidable manual P 161 9.7791 128 -0.47 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.4 0.0005155 0.16 AML other m 2023-08-15T16:31:49.44
IV.FDMO.HHE. ML:1.4 0.0004145 0.18 AML other m 2023-08-15T16:31:49.39
IV.CSP1.EHE. ML:1.6 0.0005655 1.28 AML other m 2023-08-15T16:31:51.03
IV.CSP1.EHN. ML:1.5 0.00041900000000000005 0.78 AML other m 2023-08-15T16:31:51.07
IV.MMO1.EHE. ML:1.1 0.00011899999999999999 0.68 AML other m 2023-08-15T16:31:52.75
IV.NRCA.HHN. ML:1.2 0.00013900000000000002 0.74 AML other m 2023-08-15T16:31:54.28
IV.NRCA.HHE. ML:1.3 0.000169 0.14 AML other m 2023-08-15T16:31:54.55
IV.GUMA.HHN. ML:1.4 0.0002535 0.88 AML other m 2023-08-15T16:31:54.53
IV.MMO1.EHN. ML:1.2 0.0001305 0.76 AML other m 2023-08-15T16:31:54.56
IV.GUMA.HHE. ML:1.4 0.0002305 0.42 AML other m 2023-08-15T16:31:55.78
IV.ASSB.HHE. ML:1.3 0.00007230000000000001 0.48 AML other m 2023-08-15T16:31:59.70
IV.ASSB.HHN. ML:1.2 0.0000539 1.6 AML other m 2023-08-15T16:32:01.09
IV.ATCC.EHE. ML:1.2 0.000050549999999999995 0.2 AML other m 2023-08-15T16:32:02.00
IV.ATCC.EHN. ML:1.1 0.000037199999999999996 0.38 AML other m 2023-08-15T16:32:02.80
IV.TERO.HHN. ML:1.0 0.00002395 1.42 AML other m 2023-08-15T16:32:05.08
IV.MURB.HHE. ML:1.3 0.00004514999999999999 0.22 AML other m 2023-08-15T16:32:07.40
IV.TERO.HHE. ML:0.9 0.0000213 0.86 AML other m 2023-08-15T16:32:07.09
IV.MURB.HHN. ML:1.2 0.00003455 0.24 AML other m 2023-08-15T16:32:08.36
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