Earthquake with magnitude of ML 1.2 on date 23-05-2023 and time 22:51:33 (UTC) in region 7 km NE Pizzoli (AQ)

A magnitude ML 1.2 earthquake occured in region: 7 km NE Pizzoli (AQ), on

  • 23-05-2023 22:51:33 (UTC)
  • 24-05-2023 00:51:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4700, 13.3730 at 9 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
Pizzoli AQ 7 4326 4326
Barete AQ 8 737 5063
Capitignano AQ 8 665 5728
Campotosto AQ 10 542 6270
Montereale AQ 12 2581 8851
Cagnano Amiterno AQ 12 1369 10220
Crognaleto TE 12 1297 11517
L'Aquila AQ 13 69753 81270
Scoppito AQ 14 3727 84997
Pietracamela TE 16 271 85268
Fano Adriano TE 16 296 85564
Amatrice RI 19 2657 88221
Lucoli AQ 20 1011 89232

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
100 Km NE of Velletri (53303 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 2023-05-23
22:51:33
42.4695 13.3727 9 2023-05-23
23:01:10
Sala Sismica INGV-Roma 117653421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 22:51:33 ± 0.11
Latitude 42.4695 ± 0.0090
Longitude 13.3727 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117653421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 966
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 117653421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 23:01:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-05-23T22:51:56.11 3.0 undecidable manual S 0.39 0
IV.FDMO.HHZ. 2023-05-23T22:51:54.67 3.0 undecidable manual S -0.02 0
IV.CING.HHZ. 2023-05-23T22:51:49.37 3.0 negative manual P -0.46 0
IV.MMO1.EHZ. 2023-05-23T22:51:48.49 3.0 undecidable manual S -0.79 0
IV.T0110.HHZ. 2023-05-23T22:51:47.98 0.6 undecidable manual S 129 42.5241 50 0.36 45
IV.VCEL.EHZ. 2023-05-23T22:51:47.55 0.3 undecidable manual S 102 39.2274 50 0.81 58
IV.LNSS.HHZ. 2023-05-23T22:51:44.19 0.6 undecidable manual S 299 30.9468 50 -0.35 46
IV.FIAM.HHZ. 2023-05-23T22:51:44.17 0.6 undecidable manual S 223 30.6471 50 -0.28 46
IV.TERO.HHZ. 2023-05-23T22:51:42.23 0.3 undecidable manual S 48 25.4523 110 -0.56 66
IV.NRCA.HHZ. 2023-05-23T22:51:41.66 3.0 positive manual P 0.21 0
IV.T0110.HHZ. 2023-05-23T22:51:41.47 0.6 undecidable manual P 129 42.5241 50 -0.14 47
IV.VCEL.EHZ. 2023-05-23T22:51:41.38 0.1 undecidable manual P 102 39.2274 50 0.28 92
IV.SMA1.EHZ. 2023-05-23T22:51:40.91 0.3 undecidable manual S 350 18.0708 117 0.45 69
IV.RM33.EHZ. 2023-05-23T22:51:39.46 0.3 undecidable manual S 289 13.6752 124 0.34 71
IV.GIGS.HHZ. 2023-05-23T22:51:39.68 0.3 undecidable manual S 96 16.4724 119 -0.28 72
IV.LNSS.HHZ. 2023-05-23T22:51:39.49 0.1 undecidable manual P 299 30.9468 50 -0.34 92
IV.FIAM.HHZ. 2023-05-23T22:51:39.44 0.3 undecidable manual P 223 30.6471 50 -0.35 69
IV.TERO.HHZ. 2023-05-23T22:51:38.50 0.1 positive manual P 48 25.4523 110 -0.32 93
IV.SMA1.EHZ. 2023-05-23T22:51:37.65 0.1 undecidable manual P 350 18.0708 117 0.17 97
IV.GIGS.HHZ. 2023-05-23T22:51:37.14 0.1 undecidable manual P 96 16.4724 119 -0.05 100
IV.RM33.EHZ. 2023-05-23T22:51:36.90 0.1 positive manual P 289 13.6752 124 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.3 0.00021450000000000004 0.2 AML other m 2023-05-23T22:51:39.63
IV.GIGS.HHE. ML:0.5 0.00003235000000000001 0.08 AML other m 2023-05-23T22:51:40.44
IV.GIGS.HHN. ML:0.6 0.0000361 0.62 AML other m 2023-05-23T22:51:40.60
IV.RM33.EHE. ML:1.2 0.0001675 0.14 AML other m 2023-05-23T22:51:40.70
IV.SMA1.EHN. ML:1.0 0.00008269999999999999 1.68 AML other m 2023-05-23T22:51:41.05
IV.SMA1.EHE. ML:1.0 0.00009075 0.22 AML other m 2023-05-23T22:51:42.73
IV.LNSS.HHE. ML:1.3 0.00009195 1.24 AML other m 2023-05-23T22:51:45.68
IV.LNSS.HHN. ML:1.3 0.00008395 0.42 AML other m 2023-05-23T22:51:45.21
IV.NRCA.HHN. ML:1.2 0.00005 0.88 AML other m 2023-05-23T22:51:48.50
IV.VCEL.EHN. ML:1.6 0.000125 0.7 AML other m 2023-05-23T22:51:48.59
IV.NRCA.HHE. ML:1.3 0.0000651 0.52 AML other m 2023-05-23T22:51:49.38
IV.VCEL.EHE. ML:1.5 0.0001185 1.56 AML other m 2023-05-23T22:51:49.17
IV.T0110.HHN. ML:1.2 0.000054202125 0.2176 AML other m 2023-05-23T22:51:49.13
IV.MMO1.EHE. ML:0.7 0.000017135 1.54 AML other m 2023-05-23T22:51:51.02
IV.T0110.HHE. ML:1.3 0.00006984999999999999 0.6 AML other m 2023-05-23T22:51:52.38
IV.RM33.HNN. ML:1.3 0.00020698749999999998 0.1792 AML other m 2023-05-23T22:51:39.63
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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