Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-05-2023 and time 09:23:32 (Italy) in region 1 km SE Capitignano (AQ)

A magnitude ML 1.8 earthquake occured in region: 1 km SE Capitignano (AQ), on

  • 27-05-2023 07:23:32 (UTC)
  • 27-05-2023 09:23:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5150, 13.3080 at 16 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
Capitignano AQ 1 665 665
Montereale AQ 5 2581 3246
Campotosto AQ 7 542 3788
Barete AQ 7 737 4525
Pizzoli AQ 9 4326 8851
Cagnano Amiterno AQ 9 1369 10220
Amatrice RI 13 2657 12877
Borbona RI 14 617 13494
Crognaleto TE 15 1297 14791
Scoppito AQ 16 3727 18518
Cittareale RI 17 482 19000
Posta RI 17 694 19694
Fano Adriano TE 19 296 19990
L'Aquila AQ 20 69753 89743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
73 Km W of Chieti (51815 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Pescara (121014 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
99 Km E of Viterbo (67173 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 1.8 2023-05-27
07:23:32		 42.5147 13.308 16 2023-05-27
07:46:32		 Sala Sismica INGV-Roma 117768511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 07:23:32 ± 0.05
Latitude 42.5147 ± 0.0027
Longitude 13.3080 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117768511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86425
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 35
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 117768511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 07:46:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-05-27T07:24:08.67 3.0 undecidable manual Pn 0.39 0
IV.CING.HHZ. 2023-05-27T07:24:01.47 0.6 undecidable manual S 355 95.9262 94 0.53 39
IV.EL6.EHZ. 2023-05-27T07:23:59.93 0.6 undecidable manual S 350 91.9413 94 0.06 44
IV.SNTG.HHZ. 2023-05-27T07:23:58.84 0.6 undecidable manual S 340 87.3459 94 0.17 43
IV.ASSB.HHZ. 2023-05-27T07:23:56.75 0.6 undecidable manual S 318 78.8655 95 0.34 42
IV.MML1.EHZ. 2023-05-27T07:23:55.00 0.6 undecidable manual S 338 71.8725 95 0.47 42
IV.INTR.HNE. 2023-05-27T07:23:55.29 0.3 undecidable manual S 139 74.2701 95 0.12 66
IV.PF6.EHE. 2023-05-27T07:23:54.21 0.6 undecidable manual S 352 69.7746 95 0.24 44
IV.MOMA.HHZ. 2023-05-27T07:23:54.07 0.6 undecidable manual S 298 68.1762 95 0.51 42
IV.GUMA.HHZ. 2023-05-27T07:23:52.26 0.6 undecidable manual S 2 60.7947 96 0.65 40
IV.OFFI.HHZ. 2023-05-27T07:23:52.07 1.0 undecidable manual S 33 55.8996 97 1.78 11
IV.CESI.HHZ. 2023-05-27T07:23:52.80 0.6 undecidable manual S 329 63.5919 96 0.48 42
IV.CSP1.EHZ. 2023-05-27T07:23:52.91 0.3 undecidable manual S 353 64.5909 96 0.31 66
IV.SAP2.EHE. 2023-05-27T07:23:52.80 0.6 undecidable manual S 7 64.9905 96 0.09 46
IV.FDMO.HHZ. 2023-05-27T07:23:51.52 0.6 undecidable manual S 343 60.5949 96 -0.03 46
IT.MTCL.HGE. 2023-05-27T07:23:51.36 0.3 undecidable manual S 335 58.7967 97 0.29 67
IV.FEMA.HNE. 2023-05-27T07:23:50.27 0.3 undecidable manual S 337 53.9016 97 0.5 64
IV.PTQR.HHN. 2023-05-27T07:23:50.44 0.6 undecidable manual S 172 55.2003 97 0.34 44
IV.CING.HHZ. 2023-05-27T07:23:48.93 0.1 undecidable manual P 355 95.9262 94 -0.13 85
IV.T0110.HHZ. 2023-05-27T07:23:48.84 0.3 undecidable manual S 129 49.7169 98 0.17 69
IV.EL6.EHZ. 2023-05-27T07:23:48.41 0.1 negative manual P 350 91.9413 94 -0.03 88
IV.ARRO.EHE. 2023-05-27T07:23:47.88 0.6 undecidable manual S 279 44.9217 99 0.5 44
IV.SNTG.HHZ. 2023-05-27T07:23:47.58 0.1 undecidable manual P 340 87.3459 94 -0.17 86
IV.VCEL.EHE. 2023-05-27T07:23:47.94 0.6 undecidable manual S 107 45.621 99 0.37 44
IV.MMO1.EHZ. 2023-05-27T07:23:46.71 0.3 undecidable manual S 2 42.7239 100 -0.1 71
IV.ASSB.HHZ. 2023-05-27T07:23:46.41 0.1 undecidable manual P 318 78.8655 95 -0.03 90
IV.ASCOL.HNE. 2023-05-27T07:23:46.83 0.6 undecidable manual S 32 43.8228 100 -0.28 46
7F.SIB2.EHE. 2023-05-27T07:23:46.40 0.3 undecidable manual S 360 41.7249 100 -0.16 70
IV.GAVE.EHZ. 2023-05-27T07:23:45.55 0.3 undecidable manual S 300 39.1275 101 -0.32 68
IV.INTR.HNE. 2023-05-27T07:23:45.49 0.1 undecidable manual P 139 74.2701 95 -0.24 88
IV.MOMA.HHZ. 2023-05-27T07:23:45.19 0.1 undecidable manual P 298 68.1762 95 0.39 85
IV.MML1.EHZ. 2023-05-27T07:23:45.08 0.1 positive manual P 338 71.8725 95 -0.28 87
IV.NRCA.HHZ. 2023-05-27T07:23:45.55 0.3 undecidable manual S 336 38.7279 101 -0.22 70
7F.SIB3.EHE. 2023-05-27T07:23:45.85 0.3 undecidable manual S 356 40.1265 101 -0.28 69
IV.PF6.EHE. 2023-05-27T07:23:44.74 0.1 positive manual P 352 69.7746 95 -0.3 87
IV.SAP2.EHE. 2023-05-27T07:23:44.67 0.1 undecidable manual P 7 64.9905 96 0.36 86
IV.CSP1.EHZ. 2023-05-27T07:23:44.06 0.1 positive manual P 353 64.5909 96 -0.18 90
IV.FDMO.HHZ. 2023-05-27T07:23:43.35 0.1 positive manual P 343 60.5949 96 -0.29 88
IT.MTCL.HGE. 2023-05-27T07:23:43.10 0.1 undecidable manual P 335 58.7967 97 -0.26 89
IV.GUMA.HHZ. 2023-05-27T07:23:43.81 0.1 positive manual P 2 60.7947 96 0.14 91
IV.OFFI.HHZ. 2023-05-27T07:23:43.61 0.1 undecidable manual P 33 55.8996 97 0.7 78
IV.CESI.HHZ. 2023-05-27T07:23:43.88 0.1 positive manual P 329 63.5919 96 -0.2 89
IV.FIAM.HHN. 2023-05-27T07:23:43.93 0.3 undecidable manual S 210 31.5462 105 0.04 73
IV.TERO.HHZ. 2023-05-27T07:23:42.48 0.3 undecidable manual S 63 26.9508 109 -0.26 71
IV.MTRA.EHZ. 2023-05-27T07:23:42.53 0.3 undecidable manual S 15 27.8499 108 -0.42 68
IV.FEMA.HNE. 2023-05-27T07:23:42.53 0.1 undecidable manual P 337 53.9016 97 -0.08 93
IV.PTQR.HHN. 2023-05-27T07:23:42.63 0.1 undecidable manual P 172 55.2003 97 -0.17 92
IV.T0110.HHZ. 2023-05-27T07:23:42.21 0.1 positive manual P 129 49.7169 98 0.24 90
IV.LNSS.HHZ. 2023-05-27T07:23:41.75 0.3 undecidable manual S 294 23.9538 112 -0.23 71
IV.VCEL.EHE. 2023-05-27T07:23:41.55 0.1 undecidable manual P 107 45.621 99 0.21 92
MN.AQU.HHN. 2023-05-27T07:23:41.17 0.3 undecidable manual S 156 19.4694 119 0.26 71
IV.ARRO.EHE. 2023-05-27T07:23:41.18 0.3 undecidable manual P 279 44.9217 99 -0.05 72
IV.GIGS.HHZ. 2023-05-27T07:23:41.55 0.3 undecidable manual S 107 22.755 114 -0.12 74
IV.ASCOL.HNE. 2023-05-27T07:23:41.08 0.1 undecidable manual P 32 43.8228 100 0 96
IV.NRCA.HHZ. 2023-05-27T07:23:40.06 0.1 positive manual P 336 38.7279 101 -0.24 93
7F.SIB3.EHE. 2023-05-27T07:23:40.23 0.1 positive manual P 356 40.1265 101 -0.28 92
IV.GAVE.EHZ. 2023-05-27T07:23:40.16 0.1 positive manual P 300 39.1275 101 -0.2 93
IV.MMO1.EHZ. 2023-05-27T07:23:40.71 0.1 positive manual P 2 42.7239 100 -0.19 93
7F.SIB2.EHE. 2023-05-27T07:23:40.50 0.1 positive manual P 360 41.7249 100 -0.26 92
IV.SMA1.EHZ. 2023-05-27T07:23:39.52 0.3 undecidable manual S 10 13.0758 133 0.01 76
IV.FIAM.HHN. 2023-05-27T07:23:39.03 0.1 undecidable manual P 210 31.5462 105 -0.19 95
IV.RM33.EHZ. 2023-05-27T07:23:38.58 0.3 undecidable manual S 265 7.6812 150 -0.03 76
IV.LNSS.HHZ. 2023-05-27T07:23:38.13 0.1 positive manual P 294 23.9538 112 0.02 100
IV.CAMP.HHZ. 2023-05-27T07:23:38.71 0.3 undecidable manual S 74 8.5803 147 -0.03 76
IV.TERO.HHZ. 2023-05-27T07:23:38.46 0.1 negative manual P 63 26.9508 109 -0.09 98
IV.MTRA.EHZ. 2023-05-27T07:23:38.46 0.1 positive manual P 15 27.8499 108 -0.21 95
IV.GIGS.HHZ. 2023-05-27T07:23:37.94 0.1 negative manual P 107 22.755 114 0 100
MN.AQU.HHN. 2023-05-27T07:23:37.23 0.1 undecidable manual P 156 19.4694 119 -0.26 96
IV.SMA1.EHZ. 2023-05-27T07:23:36.84 0.1 undecidable manual P 10 13.0758 133 0.15 99
IV.RM33.EHZ. 2023-05-27T07:23:36.33 0.1 negative manual P 265 7.6812 150 0.16 100
IV.CAMP.HHZ. 2023-05-27T07:23:36.44 0.1 negative manual P 74 8.5803 147 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:2.0 0.001054 0.32 AML other m 2023-05-27T07:23:38.89
IV.RM33.HNE. ML:2.0 0.0010474999999999998 0.32 AML other m 2023-05-27T07:23:38.89
IV.RM33.EHN. ML:2.0 0.0009390000000000001 1.42 AML other m 2023-05-27T07:23:38.78
IV.RM33.HNN. ML:2.0 0.0009395 0.18 AML other m 2023-05-27T07:23:38.78
IV.CAMP.HHE. ML:1.4 0.00021700000000000002 0.2 AML other m 2023-05-27T07:23:38.95
IV.CAMP.HHN. ML:1.6 0.000399 1.62 AML other m 2023-05-27T07:23:39.94
IV.GIGS.HHN. ML:1.4 0.000161 0.18 AML other m 2023-05-27T07:23:41.79
IV.GIGS.HHE. ML:1.5 0.00016599999999999997 0.18 AML other m 2023-05-27T07:23:41.76
IV.LNSS.HHE. ML:2.1 0.0007934999999999999 0.52 AML other m 2023-05-27T07:23:42.58
IV.TERO.HHE. ML:2.0 0.00046750000000000003 0.28 AML other m 2023-05-27T07:23:42.73
IV.TERO.HHN. ML:2.1 0.000626 0.14 AML other m 2023-05-27T07:23:42.60
IV.MTRA.EHN. ML:2.5 0.0016099999999999999 0.52 AML other m 2023-05-27T07:23:42.96
IV.MTRA.HNN. ML:2.5 0.001605 0.52 AML other m 2023-05-27T07:23:42.96
IV.TERO.HNE. ML:2.1 0.0005484999999999999 0.3 AML other m 2023-05-27T07:23:42.81
IV.MTRA.EHE. ML:2.5 0.0016899999999999999 1.82 AML other m 2023-05-27T07:23:42.04
IV.TERO.HNN. ML:2.1 0.000683 0.7 AML other m 2023-05-27T07:23:42.60
IV.MTRA.HNE. ML:2.5 0.0016699999999999998 1.82 AML other m 2023-05-27T07:23:42.04
IV.LNSS.HHN. ML:2.1 0.0006625 1.4 AML other m 2023-05-27T07:23:43.05
IV.GAVE.EHN. ML:1.9 0.0002495 0.6 AML other m 2023-05-27T07:23:46.43
IV.NRCA.HHE. ML:2.2 0.0006025000000000001 0.14 AML other m 2023-05-27T07:23:46.56
IV.GAVE.EHE. ML:2.0 0.00032950000000000004 0.42 AML other m 2023-05-27T07:23:46.83
IV.MMO1.EHN. ML:1.7 0.00016749999999999998 1.56 AML other m 2023-05-27T07:23:47.97
IV.MMO1.EHE. ML:1.8 0.00020800000000000001 0.82 AML other m 2023-05-27T07:23:47.16
IV.NRCA.HHN. ML:2.0 0.00034050000000000004 0.1 AML other m 2023-05-27T07:23:47.78
IV.T0110.HHN. ML:1.7 0.00011685000000000001 0.3 AML other m 2023-05-27T07:23:51.68
IV.T0110.HHE. ML:1.6 0.00011015 0.42 AML other m 2023-05-27T07:23:53.71
IV.GUMA.HHE. ML:2.1 0.00023199999999999997 0.26 AML other m 2023-05-27T07:23:53.54
IV.GUMA.HHN. ML:2.1 0.000241 0.26 AML other m 2023-05-27T07:23:54.13
IV.CESI.HHE. ML:1.4 0.0000443 1.62 AML other m 2023-05-27T07:23:54.92
IV.CSP1.EHE. ML:2.0 0.00017999999999999998 0.86 AML other m 2023-05-27T07:23:54.68
IV.FDMO.HHN. ML:1.5 0.00005824999999999999 0.24 AML other m 2023-05-27T07:23:54.63
IV.MOMA.HHN. ML:1.4 0.000041349999999999995 1.32 AML other m 2023-05-27T07:23:54.99
IV.CSP1.EHN. ML:2.0 0.00019999999999999998 1.06 AML other m 2023-05-27T07:23:55.20
IV.CESI.HHN. ML:1.7 0.00009265 0.56 AML other m 2023-05-27T07:23:55.75
IV.MML1.EHN. ML:1.6 0.00005795 0.2 AML other m 2023-05-27T07:23:55.87
IV.MOMA.HHE. ML:1.5 0.000054749999999999996 0.46 AML other m 2023-05-27T07:23:56.39
IV.FDMO.HHE. ML:1.4 0.00005550000000000001 1.36 AML other m 2023-05-27T07:23:58.70
IV.ASSB.HHN. ML:1.6 0.00006065 0.88 AML other m 2023-05-27T07:24:00.05
IV.MML1.EHE. ML:1.5 0.00004575 0.86 AML other m 2023-05-27T07:24:00.51
IV.ASSB.HHE. ML:1.6 0.000051250000000000006 0.6 AML other m 2023-05-27T07:24:02.48
IV.SNTG.HHE. ML:1.3 0.00002615 0.8 AML other m 2023-05-27T07:24:03.17
IV.SNTG.HHN. ML:1.4 0.000031799999999999994 1.16 AML other m 2023-05-27T07:24:05.98
IV.CING.HHE. ML:1.6 0.00004124999999999999 0.78 AML other m 2023-05-27T07:24:07.73
IV.CING.HHN. ML:1.5 0.00003435 0.82 AML other m 2023-05-27T07:24:08.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download