Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 30-06-2023 and time 01:20:00 (UTC) in region 4 km NE Pizzoli (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Pizzoli (AQ), on

  • 30-06-2023 01:20:00 (UTC)
  • 30-06-2023 03:20:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4600, 13.3300 at 10 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
Pizzoli AQ 4 4326 4326
Barete AQ 4 737 5063
Capitignano AQ 7 665 5728
Cagnano Amiterno AQ 9 1369 7097
Montereale AQ 10 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 12 542 13947
L'Aquila AQ 13 69753 83700
Crognaleto TE 16 1297 84997
Borbona RI 17 617 85614
Lucoli AQ 19 1011 86625
Tornimparte AQ 19 3187 89812
Amatrice RI 19 2657 92469
Pietracamela TE 20 271 92740
Fano Adriano TE 20 296 93036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
97 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 1.1 2023-06-30
01:20:00		 42.4598 13.3295 10 2023-06-30
01:24:55		 Sala Sismica INGV-Roma 118817691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-30 01:20:00 ± 0.19
Latitude 42.4598 ± 0.0108
Longitude 13.3295 ± 0.0110
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118817691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1300
Semi-minor axis of confidence ellipse (meter) 642
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.60344
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 118817691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-30 01:24:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-06-30T01:20:21.88 1.0 undecidable manual S 343 66.9774 50 0.55 20
IV.NRCA.HHZ. 2023-06-30T01:20:15.41 0.6 undecidable manual S 337 45.0216 50 -0.06 49
IV.FDMO.HHZ. 2023-06-30T01:20:12.70 0.1 undecidable manual P 343 66.9774 50 0.04 93
IV.TERO.HHZ. 2023-06-30T01:20:10.97 0.6 undecidable manual S 51 28.8489 50 -0.17 49
IV.NRCA.HHZ. 2023-06-30T01:20:09.15 0.3 negative manual P 337 45.0216 50 -0.14 72
IV.GIGS.HHZ. 2023-06-30T01:20:08.84 0.6 undecidable manual S 92 19.9689 117 0.22 51
IV.SMA1.EHZ. 2023-06-30T01:20:08.79 0.6 undecidable manual S 1 18.9699 119 0.47 47
IV.RM33.EHZ. 2023-06-30T01:20:06.05 0.6 undecidable manual S 300 10.878 134 0.01 52
IV.TERO.HHZ. 2023-06-30T01:20:06.74 0.1 undecidable manual P 51 28.8489 50 -0.05 100
IV.GIGS.HHZ. 2023-06-30T01:20:05.58 0.1 undecidable manual P 92 19.9689 117 0.25 99
IV.RM33.EHZ. 2023-06-30T01:20:04.10 1.0 undecidable manual P 300 10.878 134 0.26 25
IV.SMA1.EHZ. 2023-06-30T01:20:04.76 0.1 undecidable manual P 1 18.9699 119 -0.4 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.000158 0.52 AML other m 2023-06-30T01:20:06.39
IV.RM33.EHE. ML:1.0 0.000113 0.52 AML other m 2023-06-30T01:20:06.40
IV.SMA1.EHE. ML:1.5 0.000262 0.34 AML other m 2023-06-30T01:20:09.44
IV.SMA1.EHN. ML:1.2 0.000124 0.38 AML other m 2023-06-30T01:20:09.48
IV.NRCA.HHE. ML:1.3 0.0000652 0.18 AML other m 2023-06-30T01:20:15.78
IV.NRCA.HHN. ML:1.1 0.000036049999999999995 0.1 AML other m 2023-06-30T01:20:16.28
IV.FDMO.HHE. ML:0.8 0.000008305 1.42 AML other m 2023-06-30T01:20:22.06
IV.FDMO.HHN. ML:0.8 0.00000873 0.94 AML other m 2023-06-30T01:20:24.17
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