Earthquake with magnitude of ML 1.2 on date 17-08-2023 and time 16:42:01 (UTC) in region 7 km N Massa d'Albe (AQ)

A magnitude ML 1.2 earthquake occured in region: 7 km N Massa d'Albe (AQ), on

  • 17-08-2023 16:42:01 (UTC)
  • 17-08-2023 18:42:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1710, 13.3720 at 8 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
Massa d'Albe AQ 7 1476 1476
Magliano de' Marsi AQ 9 3690 5166
Borgorose RI 12 4591 9757
Scurcola Marsicana AQ 12 2824 12581
Rocca di Cambio AQ 12 533 13114
Ovindoli AQ 13 1227 14341
Rocca di Mezzo AQ 13 1526 15867
Lucoli AQ 14 1011 16878
Tornimparte AQ 15 3187 20065
Tagliacozzo AQ 15 6889 26954
Ocre AQ 15 1167 28121
Sante Marie AQ 16 1166 29287
Avezzano AQ 16 42515 71802
Fossa AQ 17 721 72523
Celano AQ 17 11017 83540
Villa Sant'Angelo AQ 18 424 83964
Sant'Eusanio Forconese AQ 18 394 84358
Pescorocchiano RI 19 2075 86433
Fagnano Alto AQ 19 418 86851
Cappadocia AQ 20 528 87379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of L'Aquila (69753 inhabitants)
53 Km E of Tivoli (56533 inhabitants)
57 Km E of Guidonia Montecelio (88673 inhabitants)
61 Km SW of Teramo (54892 inhabitants)
69 Km W of Chieti (51815 inhabitants)
73 Km NE of Velletri (53303 inhabitants)
74 Km SE of Terni (111501 inhabitants)
75 Km SW of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
80 Km E of Roma (2864731 inhabitants)
87 Km NE of Latina (125985 inhabitants)
88 Km NE of Aprilia (73446 inhabitants)
91 Km NE of Pomezia (62966 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 2023-08-17
16:42:01
42.1712 13.3723 9 2023-08-17
16:51:18
Sala Sismica INGV-Roma 120226701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-17 16:42:01 ± 0.12
Latitude 42.1712 ± 0.0072
Longitude 13.3723 ± 0.0097
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 120226701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 583
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35703
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 120226701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-17 16:51:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHZ. 2023-08-17T16:43:53.51 3.0 undecidable manual Sn -3.87 0
IV.ALJA.HHZ. 2023-08-17T16:43:48.55 3.0 undecidable manual Sg 6.8 0
NI.PALA.HHZ. 2023-08-17T16:43:47.74 3.0 undecidable manual Sn -6.15 0
IV.MSRU.HHZ. 2023-08-17T16:43:44.54 3.0 undecidable manual Sg 7.76 0
MN.KLV.HHZ. 2023-08-17T16:43:40.72 3.0 undecidable manual Pn -3.83 0
ZO.PDN2.HNZ. 2023-08-17T16:43:37.72 3.0 undecidable manual Sn -8.85 0
IV.MMGO.HHZ. 2023-08-17T16:43:34.17 3.0 undecidable manual Sn -9.99 0
IV.ECTS.HHZ. 2023-08-17T16:43:27.23 3.0 undecidable manual Sn -9.99 0
IV.TDS.HHZ. 2023-08-17T16:43:13.42 3.0 undecidable manual Sn -3.41 0
IV.HPAC.HHZ. 2023-08-17T16:43:10.70 3.0 undecidable manual Pn -0.49 0
IV.MGR.HHZ. 2023-08-17T16:43:07.56 3.0 undecidable manual Sg 9.35 0
IV.HAVL.HHZ. 2023-08-17T16:43:02.47 3.0 positive manual Pn -5.59 0
IV.SERS.HHZ. 2023-08-17T16:42:58.29 3.0 undecidable manual Pg 8.29 0
IV.NARO.HHZ. 2023-08-17T16:42:58.18 3.0 undecidable manual Sg 5.99 0
IV.SSFR.HHZ. 2023-08-17T16:42:51.29 3.0 undecidable manual Sg 4.31 0
GU.CARD.HHZ. 2023-08-17T16:42:46.59 3.0 undecidable manual Pg 2.67 0
IV.ERC.EHZ. 2023-08-17T16:42:40.84 3.0 undecidable manual Pn -9.99 0
IV.SACS.HHZ. 2023-08-17T16:42:36.59 3.0 undecidable manual Sn -6.95 0
IV.ASSB.HHZ. 2023-08-17T16:42:33.41 3.0 undecidable manual Sn -5.54 0
IV.MGR.HHZ. 2023-08-17T16:42:30.34 3.0 undecidable manual Pn -0.36 0
IV.PTRJ.HHZ. 2023-08-17T16:42:29.02 3.0 undecidable manual Sg 4.61 0
IV.SACR.HNZ. 2023-08-17T16:42:23.42 3.0 undecidable manual Sn -3.59 0
IX.SCL3.EHZ.02 2023-08-17T16:42:20.70 3.0 positive manual Pn -4.56 0
IV.GAVE.EHZ. 2023-08-17T16:42:16.72 3.0 undecidable manual Pg 2.2 0
IV.GATE.HHZ. 2023-08-17T16:42:15.17 3.0 positive manual Pg 0.49 0
IV.T0110.HHZ. 2023-08-17T16:42:13.63 0.3 undecidable manual S 79 33.8439 50 0.38 68
IV.FAGN.HHZ. 2023-08-17T16:42:09.00 0.6 undecidable manual S 59 20.2686 113 0.16 49
IV.RM33.HNZ. 2023-08-17T16:42:08.86 0.3 undecidable manual P 341 39.627 50 -0.2 70
IV.T0110.HHZ. 2023-08-17T16:42:07.86 0.3 undecidable manual P 79 33.8439 50 -0.3 69
IV.PTQR.HHZ. 2023-08-17T16:42:07.76 0.3 undecidable manual S 172 16.6722 117 0.05 75
IV.FIAM.HHZ. 2023-08-17T16:42:06.45 0.1 undecidable manual P 297 23.5542 110 0.22 96
IV.FAGN.HHZ. 2023-08-17T16:42:05.43 0.1 undecidable manual P 59 20.2686 113 -0.18 97
IV.PTQR.HHZ. 2023-08-17T16:42:04.90 0.1 undecidable manual P 172 16.6722 117 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHN. ML:1.2 0.0001325 0.24 AML other m 2023-08-17T16:42:07.98
IV.PTQR.HHE. ML:1.2 0.0001365 0.62 AML other m 2023-08-17T16:42:08.06
IV.FAGN.HHN. ML:1.8 0.0005 0.32 AML other m 2023-08-17T16:42:09.38
IV.FAGN.HHE. ML:2.0 0.000735 0.34 AML other m 2023-08-17T16:42:10.44
IV.FIAM.HHN. ML:0.7 0.0000276 0.3 AML other m 2023-08-17T16:42:12.28
IV.T0110.HHN. ML:1.4 0.00010205 0.36 AML other m 2023-08-17T16:42:14.04
IV.T0110.HHE. ML:1.2 0.00007675 0.38 AML other m 2023-08-17T16:42:16.61
IV.FIAM.HHE. ML:0.9 0.000047550000000000004 0.42 AML other m 2023-08-17T16:42:16.54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download