Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-07-2023 and time 16:18:44 (UTC) in region 1 km NE Pizzoli (AQ)

A magnitude ML 1.9 earthquake occured in region: 1 km NE Pizzoli (AQ), on

  • 09-07-2023 16:18:44 (UTC)
  • 09-07-2023 18:18:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4490, 13.3010 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 1 4326 4326
Barete AQ 2 737 5063
Cagnano Amiterno AQ 6 1369 6432
Capitignano AQ 8 665 7097
Scoppito AQ 9 3727 10824
Montereale AQ 10 2581 13405
L'Aquila AQ 13 69753 83158
Campotosto AQ 14 542 83700
Borbona RI 16 617 84317
Tornimparte AQ 17 3187 87504
Lucoli AQ 18 1011 88515
Crognaleto TE 18 1297 89812
Antrodoco RI 18 2588 92400
Posta RI 19 694 93094

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
72 Km W of Chieti (51815 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
75 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
98 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 1.9 2023-07-09
16:18:44		 42.4487 13.3013 11 2024-09-10
16:44:18		 Bollettino Sismico Italiano INGV 121187861
Reviewed
Rev100 		ML 2.0 2023-07-09
16:18:44		 42.4498 13.2947 12 2023-07-09
16:27:55		 Sala Sismica INGV-Roma 119108941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-09 16:18:44 ± 0.06
Latitude 42.4487 ± 0.0027
Longitude 13.3013 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 121187861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.92990
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 119108941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-09 16:27:55

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 121187861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-06-10 14:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-07-09T16:19:08.40 0.6 undecidable manual S 340 78.4659 90 0.85 35
IV.GUMA.HHZ. 2023-07-09T16:19:06.24 1.0 undecidable manual S 2 68.1762 90 1.44 13
IV.CSP1.EHZ. 2023-07-09T16:19:06.43 0.6 undecidable manual S 354 71.7726 90 0.67 38
IV.FDMO.HHZ. 2023-07-09T16:19:04.89 0.6 undecidable manual S 345 67.4769 90 0.27 43
IV.MF5.EHZ. 2023-07-09T16:19:03.95 0.6 undecidable manual S 12 61.1943 90 1.01 33
IV.CING.HHZ. 2023-07-09T16:19:01.83 0.3 undecidable manual P 355 103.2189 90 0.36 60
IV.ATCC.EHZ. 2023-07-09T16:19:00.60 0.3 undecidable manual P 327 97.8243 90 -0.04 65
IV.PTQR.HHZ. 2023-07-09T16:18:59.67 0.6 undecidable manual S 170 48.0186 90 0.25 47
IV.T0110.HHZ. 2023-07-09T16:18:59.75 0.6 undecidable manual S 122 45.9207 90 0.89 38
IV.NRCA.HHZ. 2023-07-09T16:18:58.38 0.6 undecidable manual S 340 45.3213 90 -0.33 45
IV.ARRO.EHZ. 2023-07-09T16:18:58.95 1.0 undecidable manual S 288 46.1205 90 0.04 24
IV.GAVE.EHZ. 2023-07-09T16:18:58.18 0.6 undecidable manual S 309 42.8238 90 0.14 47
IV.ASSB.HHZ. 2023-07-09T16:18:58.57 0.3 undecidable manual P 322 84.1491 90 0.04 67
IV.MML1.EHZ. 2023-07-09T16:18:57.61 0.3 undecidable manual P 340 78.4659 90 -0.05 67
IV.MOMA.HHZ. 2023-07-09T16:18:56.68 0.3 undecidable manual P 304 71.4729 90 0.09 68
IV.GUMA.HHZ. 2023-07-09T16:18:56.24 0.3 undecidable manual P 2 68.1762 90 0.17 67
IV.CSP1.EHZ. 2023-07-09T16:18:56.39 0.1 undecidable manual P 354 71.7726 90 -0.23 88
IV.MTRA.EHZ. 2023-07-09T16:18:55.27 0.3 undecidable manual S 13 35.0427 90 -0.69 63
IV.MF5.EHZ. 2023-07-09T16:18:55.14 0.3 undecidable manual P 12 61.1943 90 0.15 68
IV.FDMO.HHZ. 2023-07-09T16:18:55.73 0.1 undecidable manual P 345 67.4769 90 -0.24 88
IV.TERO.HHZ. 2023-07-09T16:18:54.27 0.6 undecidable manual S 52 31.3464 90 -0.71 42
IV.LNSS.HHZ. 2023-07-09T16:18:53.74 0.6 undecidable manual S 309 27.3504 90 -0.16 48
IV.ARRO.EHZ. 2023-07-09T16:18:52.37 0.6 undecidable manual P 288 46.1205 90 -0.3 45
IV.PTQR.HHZ. 2023-07-09T16:18:52.93 0.3 undecidable manual P 170 48.0186 90 -0.04 70
IV.T0110.HHZ. 2023-07-09T16:18:52.99 0.1 undecidable manual P 122 45.9207 90 0.35 91
IV.GIGS.HHZ. 2023-07-09T16:18:52.17 0.3 undecidable manual S 89 22.2555 90 -0.36 70
IV.NRCA.HHZ. 2023-07-09T16:18:52.28 0.1 undecidable manual P 340 45.3213 90 -0.27 91
IV.SMA1.EHZ. 2023-07-09T16:18:52.16 0.6 undecidable manual S 8 20.3685 90 0.12 49
IV.FIAM.HHZ. 2023-07-09T16:18:52.99 0.6 undecidable manual S 217 25.0527 90 -0.31 45
IV.GAVE.EHZ. 2023-07-09T16:18:52.20 0.3 undecidable manual P 309 42.8238 90 0.03 73
MN.AQU.HHE. 2023-07-09T16:18:50.50 0.6 undecidable manual S 141 13.4754 97 0.29 49
IV.MTRA.EHZ. 2023-07-09T16:18:50.61 0.1 undecidable manual P 13 35.0427 90 -0.35 91
IV.TERO.HHZ. 2023-07-09T16:18:50.09 0.1 undecidable manual P 52 31.3464 90 -0.31 93
IV.FIAM.HHZ. 2023-07-09T16:18:49.58 0.3 undecidable manual P 217 25.0527 90 0.15 74
IV.RM33.HNZ. 2023-07-09T16:18:49.15 0.6 undecidable manual S 313 9.7791 121 -0.13 50
IV.LNSS.HHZ. 2023-07-09T16:18:49.74 0.3 undecidable manual P 309 27.3504 90 -0.04 73
IV.CAMP.HHZ. 2023-07-09T16:18:49.92 0.3 undecidable manual S 42 13.0758 101 -0.17 75
IV.GIGS.HHZ. 2023-07-09T16:18:48.89 0.1 undecidable manual P 89 22.2555 90 -0.1 98
IV.SMA1.EHZ. 2023-07-09T16:18:48.67 0.3 undecidable manual P 8 20.3685 90 -0.03 75
IV.RM33.HNZ. 2023-07-09T16:18:47.27 0.1 undecidable manual P 313 9.7791 121 0.16 100
IV.CAMP.HHZ. 2023-07-09T16:18:47.73 0.1 undecidable manual P 42 13.0758 101 0.15 99
MN.AQU.HHE. 2023-07-09T16:18:47.98 0.3 undecidable manual P 141 13.4754 97 0.34 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:2.2 0.00207 1.16 AML other m 2023-07-09T16:18:49.25
IV.RM33.HNN. ML:2.2 0.0021349999999999997 1.16 AML other m 2023-07-09T16:18:49.25
IV.CAMP.HHN. ML:2.1 0.0014100000000000002 0.3 AML other m 2023-07-09T16:18:50.18
IV.RM33.EHE. ML:2.2 0.001765 0.14 AML other m 2023-07-09T16:18:50.29
IV.RM33.HNE. ML:2.2 0.00176 0.14 AML other m 2023-07-09T16:18:50.36
IV.CAMP.HHE. ML:1.9 0.0007635000000000001 1.7 AML other m 2023-07-09T16:18:50.97
IV.SMA1.EHE. ML:2.8 0.004775000000000001 0.28 AML other m 2023-07-09T16:18:52.47
IV.SMA1.EHN. ML:2.7 0.0034699999999999996 0.34 AML other m 2023-07-09T16:18:52.58
IV.GIGS.HHE. ML:1.4 0.00016199999999999998 1.64 AML other m 2023-07-09T16:18:53.15
IV.GIGS.HHN. ML:1.5 0.00018449999999999999 1.26 AML other m 2023-07-09T16:18:53.80
IV.LNSS.HHE. ML:1.9 0.000449 0.12 AML other m 2023-07-09T16:18:54.54
IV.LNSS.HHN. ML:2.0 0.0004625 0.26 AML other m 2023-07-09T16:18:54.66
IV.FIAM.HNE. ML:1.8 0.0003505 1.5 AML other m 2023-07-09T16:18:55.10
IV.TERO.HHN. ML:1.8 0.00029000000000000006 0.12 AML other m 2023-07-09T16:18:55.23
IV.FIAM.HHE. ML:1.6 0.0002175 0.62 AML other m 2023-07-09T16:18:55.54
IV.MTRA.HNE. ML:2.4 0.0009885 0.18 AML other m 2023-07-09T16:18:55.79
IV.MTRA.EHE. ML:2.4 0.001004 0.2 AML other m 2023-07-09T16:18:55.80
IV.MTRA.HNN. ML:2.5 0.0011844999999999998 0.24 AML other m 2023-07-09T16:18:55.82
IV.MTRA.EHN. ML:2.5 0.001223 0.24 AML other m 2023-07-09T16:18:55.83
IV.FIAM.HNN. ML:1.7 0.00029099999999999997 0.26 AML other m 2023-07-09T16:18:56.95
IV.FIAM.HHN. ML:1.7 0.000277 0.26 AML other m 2023-07-09T16:18:56.95
IV.TERO.HHE. ML:1.9 0.000357 0.56 AML other m 2023-07-09T16:18:58.67
IV.ARRO.EHE. ML:1.7 0.000155 0.18 AML other m 2023-07-09T16:18:59.48
IV.NRCA.HHE. ML:2.4 0.0006485000000000001 0.44 AML other m 2023-07-09T16:18:59.32
IV.NRCA.HHN. ML:2.3 0.0005945 1.22 AML other m 2023-07-09T16:18:59.66
IV.GAVE.EHN. ML:1.8 0.0001965 0.18 AML other m 2023-07-09T16:19:00.24
IV.ARRO.EHN. ML:1.7 0.0001425 1.34 AML other m 2023-07-09T16:19:00.09
IV.GAVE.EHE. ML:1.7 0.000162 1.08 AML other m 2023-07-09T16:19:00.34
IV.PTQR.HHN. ML:1.4 0.00006654999999999999 1.66 AML other m 2023-07-09T16:19:01.03
IV.T0110.HHN. ML:2.1 0.000363 0.38 AML other m 2023-07-09T16:19:01.39
IV.PTQR.HHE. ML:1.4 0.000068 0.76 AML other m 2023-07-09T16:19:02.65
IV.T0110.HHE. ML:2.0 0.00027949999999999996 0.98 AML other m 2023-07-09T16:19:04.58
IV.MF5.EHN. ML:1.8 0.00013550000000000001 0.7 AML other m 2023-07-09T16:19:05.82
IV.FDMO.HHN. ML:1.7 0.00008874999999999999 0.62 AML other m 2023-07-09T16:19:06.30
IV.MF5.EHE. ML:1.8 0.00013550000000000001 0.3 AML other m 2023-07-09T16:19:07.62
IV.GUMA.HHN. ML:2.1 0.000205 1.82 AML other m 2023-07-09T16:19:08.92
IV.FDMO.HHE. ML:1.6 0.00006934999999999999 1.3 AML other m 2023-07-09T16:19:08.25
IV.MOMA.HHE. ML:1.8 0.0001055 0.16 AML other m 2023-07-09T16:19:08.29
IV.MOMA.HHN. ML:1.6 0.00006254999999999999 0.2 AML other m 2023-07-09T16:19:08.75
IV.GUMA.HHE. ML:2.2 0.0002795 1.64 AML other m 2023-07-09T16:19:08.01
IV.CSP1.EHE. ML:2.2 0.0002375 0.34 AML other m 2023-07-09T16:19:09.19
IV.CSP1.EHN. ML:2.2 0.00025550000000000003 1.56 AML other m 2023-07-09T16:19:09.82
IV.MML1.EHE. ML:1.6 0.00004825 0.4 AML other m 2023-07-09T16:19:10.24
IV.MML1.EHN. ML:1.7 0.00007489999999999999 0.7 AML other m 2023-07-09T16:19:10.84
IV.ASSB.HHE. ML:1.7 0.00006785 0.12 AML other m 2023-07-09T16:19:11.79
IV.ASSB.HHN. ML:1.7 0.00005855000000000001 1.62 AML other m 2023-07-09T16:19:12.81
IV.ATCC.EHN. ML:1.8 0.00005830000000000001 0.62 AML other m 2023-07-09T16:19:16.63
IV.CING.HHE. ML:1.6 0.0000407 0.22 AML other m 2023-07-09T16:19:17.35
IV.ATCC.EHE. ML:1.8 0.000059499999999999996 0.72 AML other m 2023-07-09T16:19:17.35
IV.CING.HHN. ML:1.7 0.00004745000000000001 0.3 AML other m 2023-07-09T16:19:18.31
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
Waveforms Seismic signals in miniseed + resp format Download