Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 14-03-2023 and time 08:12:48 (UTC) in region 3 km NE Pizzoli (AQ)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Pizzoli (AQ), on

  • 14-03-2023 08:12:48 (UTC)
  • 14-03-2023 09:12:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4580, 13.3170 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 4326 4326
Barete AQ 3 737 5063
Capitignano AQ 7 665 5728
Cagnano Amiterno AQ 8 1369 7097
Montereale AQ 10 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 12 542 13947
L'Aquila AQ 14 69753 83700
Borbona RI 16 617 84317
Crognaleto TE 17 1297 85614
Tornimparte AQ 19 3187 88801
Lucoli AQ 19 1011 89812
Amatrice RI 19 2657 92469
Posta RI 20 694 93163
Antrodoco RI 20 2588 95751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.1 2023-03-14
08:12:48		 42.4575 13.3172 11 2024-03-01
17:18:18		 Bollettino Sismico Italiano INGV 123528551
Reviewed
Rev100 		ML 1.1 2023-03-14
08:12:48		 42.4645 13.3153 12 2023-03-14
08:29:58		 Sala Sismica INGV-Roma 115354131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-14 08:12:48 ± 0.15
Latitude 42.4575 ± 0.0108
Longitude 13.3172 ± 0.0061
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 123528551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1134
Semi-minor axis of confidence ellipse (meter) 504
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115354131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-14 08:29:58

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 123528551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 12:00:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-03-14T08:12:58.30 0.3 undecidable manual S 52 29.748 91 -0.35 70
IV.LNSS.HHZ. 2023-03-14T08:12:57.79 0.6 undecidable manual S 306 27.75 91 -0.34 47
IV.GIGS.HHZ. 2023-03-14T08:12:56.42 0.6 undecidable manual S 91 20.9679 91 0.12 50
IV.SMA1.EHZ. 2023-03-14T08:12:55.91 0.3 undecidable manual S 4 19.2696 91 0.06 75
IV.TERO.HHZ. 2023-03-14T08:12:54.25 0.3 undecidable manual P 52 29.748 91 -0.01 75
IV.GIGS.HHZ. 2023-03-14T08:12:53.09 0.3 undecidable manual P 91 20.9679 91 0.19 73
IV.RM33.EHZ. 2023-03-14T08:12:53.35 0.1 undecidable manual S 304 10.1787 120 -0.14 100
IV.LNSS.HHZ. 2023-03-14T08:12:53.90 0.1 undecidable manual P 306 27.75 91 -0.05 99
IV.CAMP.HHZ. 2023-03-14T08:12:53.92 0.6 undecidable manual S 41 11.4774 113 0.12 50
IV.SMA1.EHZ. 2023-03-14T08:12:52.87 0.1 undecidable manual P 4 19.2696 91 0.23 97
IV.RM33.EHZ. 2023-03-14T08:12:51.53 0.1 undecidable manual P 304 10.1787 120 0.25 98
IV.CAMP.HHZ. 2023-03-14T08:12:51.20 0.3 undecidable manual P 41 11.4774 113 -0.26 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.0001735 0.24 AML other m 2023-03-14T08:12:53.56
IV.RM33.EHE. ML:1.2 0.00019700000000000002 0.98 AML other m 2023-03-14T08:12:54.69
IV.SMA1.EHE. ML:1.2 0.00011899999999999999 0.48 AML other m 2023-03-14T08:12:56.18
IV.SMA1.EHN. ML:1.3 0.00014350000000000002 0.32 AML other m 2023-03-14T08:12:56.31
IV.TERO.HHE. ML:0.6 0.000020900000000000003 0.42 AML other m 2023-03-14T08:12:59.54
IV.TERO.HHN. ML:1.0 0.00004265 1.58 AML other m 2023-03-14T08:12:59.10
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