Earthquake with magnitude of ML 0.8 on date 31-01-2024 and time 10:14:36 (Italy) in region 4 km E San Vincenzo Valle Roveto (AQ)

A magnitude ML 0.8 earthquake occured in region: 4 km E San Vincenzo Valle Roveto (AQ), on

  • 31-01-2024 09:14:36 (UTC)
  • 31-01-2024 10:14:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8450, 13.5720 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
San Vincenzo Valle Roveto AQ 4 2347 2347
Balsorano AQ 5 3569 5916
Collelongo AQ 5 1233 7149
Villavallelonga AQ 5 919 8068
Civita d'Antino AQ 9 979 9047
Morino AQ 10 1448 10495
Pescosolido FR 13 1555 12050
Trasacco AQ 13 6246 18296
Ortucchio AQ 14 1860 20156
Lecce nei Marsi AQ 14 1702 21858
Sora FR 14 26144 48002
Civitella Roveto AQ 14 3268 51270
Campoli Appennino FR 15 1725 52995
Luco dei Marsi AQ 16 6079 59074
Gioia dei Marsi AQ 16 1989 61063
Broccostella FR 17 2741 63804
Canistro AQ 17 995 64799
Bisegna AQ 18 223 65022
Isola del Liri FR 18 11715 76737
Castelliri FR 18 3454 80191
San Benedetto dei Marsi AQ 19 3909 84100
Pescasseroli AQ 19 2203 86303
Collepardo FR 19 968 87271
Posta Fibreno FR 20 1139 88410

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km S of L'Aquila (69753 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
68 Km E of Velletri (53303 inhabitants)
70 Km NE of Latina (125985 inhabitants)
72 Km E of Guidonia Montecelio (88673 inhabitants)
75 Km SW of Chieti (51815 inhabitants)
82 Km E of Aprilia (73446 inhabitants)
87 Km SW of Pescara (121014 inhabitants)
88 Km SW of Montesilvano (53738 inhabitants)
90 Km NE of Anzio (54211 inhabitants)
90 Km E of Roma (2864731 inhabitants)
91 Km E of Pomezia (62966 inhabitants)
91 Km S of Teramo (54892 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 0.8 2024-01-31
09:14:36
41.8453 13.572 9 2024-01-31
09:24:31
Sala Sismica INGV-Roma 124962751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-31 09:14:36 ± 0.26
Latitude 41.8453 ± 0.0135
Longitude 13.5720 ± 0.0145
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124962751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1378
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 124962751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-31 09:24:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.HHZ. 2024-01-31T09:14:45.88 0.3 undecidable manual S 324 24.1536 111 0.3 68
IV.FAGN.HHZ. 2024-01-31T09:14:44.02 3.0 positive manual P 0.22 0
IV.GUAR.HNZ. 2024-01-31T09:14:44.78 0.3 undecidable manual S 255 22.1556 113 -0.16 71
IT.OPI.HGE. 2024-01-31T09:14:42.37 0.6 undecidable manual P 110 22.6551 112 0.86 38
IV.INTR.HHZ. 2024-01-31T09:14:42.96 0.1 undecidable manual P 56 33.0447 50 -0.39 88
IV.PTQR.HHZ. 2024-01-31T09:14:41.99 0.3 undecidable manual P 324 24.1536 111 0.2 70
IV.POFI.HHZ. 2024-01-31T09:14:41.57 0.3 undecidable manual P 141 18.2706 117 0.86 57
IV.GUAR.HNZ. 2024-01-31T09:14:41.40 0.6 undecidable manual P 255 22.1556 113 -0.02 48
IV.LRP.EHZ. 2024-01-31T09:14:40.42 0.6 undecidable manual P 177 22.0668 113 -0.96 36
IV.VVLD.HHZ. 2024-01-31T09:14:39.88 0.1 undecidable manual S 57 4.995 151 -0.37 93
IV.VVLD.HHZ. 2024-01-31T09:14:38.70 0.1 undecidable manual P 57 4.995 151 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:1.3 0.00037353824999999995 0.1024 AML other m 2024-01-31T09:14:40.07
IV.VVLD.HNN. ML:1.3 0.0003440972 0.1024 AML other m 2024-01-31T09:14:40.07
IV.VVLD.HHE. ML:1.2 0.00026470270000000004 0.1024 AML other m 2024-01-31T09:14:39.92
IV.VVLD.HNE. ML:1.1 0.00024359408499999998 0.096 AML other m 2024-01-31T09:14:39.92
IV.LRP.EHE. ML:0.6 0.00002649334 0.2368 AML other m 2024-01-31T09:14:50.76
IV.LRP.EHN. ML:0.2 0.000011932713 0.1408 AML other m 2024-01-31T09:14:45.96
IV.POFI.HHE. ML:0.4 0.0000184870895 0.1984 AML other m 2024-01-31T09:14:45.07
IV.POFI.HHN. ML:0.3 0.000015889027 0.2368 AML other m 2024-01-31T09:14:45.09
IV.PTQR.HHE. ML:0.7 0.00003099416 0.1792 AML other m 2024-01-31T09:14:46.02
IV.PTQR.HHN. ML:0.7 0.000028267295 0.1408 AML other m 2024-01-31T09:14:46.11
IV.INTR.HHE. ML:0.9 0.00003325628 0.1792 AML other m 2024-01-31T09:14:48.20
IV.INTR.HHN. ML:1.0 0.000038291174999999995 0.096 AML other m 2024-01-31T09:14:48.85
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