Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 26-03-2024 and time 02:11:38 (UTC) in region 2 km E Trevi nel Lazio (FR)

A magnitude ML 1.2 earthquake occured in region: 2 km E Trevi nel Lazio (FR), on

  • 26-03-2024 02:11:38 (UTC)
  • 26-03-2024 03:11:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8720, 13.2740 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.

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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
Trevi nel Lazio FR 2 1822 1822
Filettino FR 5 565 2387
Vallepietra RM 7 283 2670
Fiuggi FR 9 10536 13206
Guarcino FR 9 1623 14829
Jenne RM 9 366 15195
Torre Cajetani FR 9 1376 16571
Trivigliano FR 11 1705 18276
Piglio FR 12 4666 22942
Vico nel Lazio FR 12 2234 25176
Acuto FR 12 1920 27096
Arcinazzo Romano RM 13 1348 28444
Civitella Roveto AQ 14 3268 31712
Canistro AQ 14 995 32707
Castellafiume AQ 14 1106 33813
Capistrello AQ 14 5252 39065
Collepardo FR 15 968 40033
Affile RM 15 1548 41581
Serrone FR 15 3099 44680
Cappadocia AQ 15 528 45208
Morino AQ 15 1448 46656
Subiaco RM 16 9074 55730
Fumone FR 16 2102 57832
Civita d'Antino AQ 17 979 58811
Alatri FR 17 28952 87763
Anagni FR 17 21464 109227
Roiate RM 17 737 109964
Luco dei Marsi AQ 19 6079 116043
Paliano FR 19 8281 124324
Ferentino FR 20 21213 145537
Olevano Romano RM 20 6687 152224

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Tivoli (56533 inhabitants)
46 Km E of Velletri (53303 inhabitants)
48 Km E of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Latina (125985 inhabitants)
54 Km S of L'Aquila (69753 inhabitants)
60 Km NE of Aprilia (73446 inhabitants)
65 Km E of Roma (2864731 inhabitants)
68 Km E of Pomezia (62966 inhabitants)
71 Km NE of Anzio (54211 inhabitants)
87 Km E of Fiumicino (78395 inhabitants)
91 Km SW of Chieti (51815 inhabitants)
93 Km SE of Terni (111501 inhabitants)
95 Km SW 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 1.2 2024-03-26
02:11:38		 41.8717 13.274 9 2024-03-26
02:17:44		 Sala Sismica INGV-Roma 126164971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-26 02:11:38 ± 0.09
Latitude 41.8717 ± 0.0063
Longitude 13.2740 ± 0.0060
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 126164971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 438
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) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 126164971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-26 02:17:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2024-03-26T02:13:32.74 3.0 undecidable manual Sn 4.11 0
MN.TRI.HHZ. 2024-03-26T02:13:26.84 3.0 undecidable manual Sn 3.22 0
CR.STON.BHZ. 2024-03-26T02:12:42.22 3.0 positive manual Pg 11.21 0
IV.RIBO.EHZ.01 2024-03-26T02:12:35.75 3.0 undecidable manual Sn 0.1 0
GE.MATE.HHZ. 2024-03-26T02:12:29.31 3.0 undecidable manual Pg 7.07 0
IV.NRCA.HHZ. 2024-03-26T02:11:58.45 3.0 undecidable manual P 0.98 0
IV.CQUE.HHZ. 2024-03-26T02:11:58.02 3.0 positive manual P -0.51 0
IV.POFI.HHZ. 2024-03-26T02:11:52.44 0.3 undecidable manual S 115 40.0266 50 0.36 66
IV.LRP.EHZ. 2024-03-26T02:11:51.28 0.3 undecidable manual S 134 35.9418 50 0.31 67
IV.GIUL.HHZ. 2024-03-26T02:11:50.76 0.3 undecidable manual S 183 34.8429 50 0.09 71
IV.INTR.HHZ. 2024-03-26T02:11:48.31 0.6 positive manual P 73 54.3012 50 -0.18 45
IV.VVLD.HHZ. 2024-03-26T02:11:48.70 0.6 undecidable manual S 90 28.8489 107 -0.16 47
IV.CERT.HHZ. 2024-03-26T02:11:47.96 0.3 undecidable manual S 290 25.6521 109 0.17 71
IV.LRP.EHZ. 2024-03-26T02:11:45.14 0.6 positive manual P 134 35.9418 50 -0.52 43
IV.GIUL.HHZ. 2024-03-26T02:11:45.30 0.3 undecidable manual P 183 34.8429 50 -0.19 69
IV.POFI.HHZ. 2024-03-26T02:11:45.99 0.3 positive manual P 115 40.0266 50 -0.31 67
IV.VVLD.HHZ. 2024-03-26T02:11:44.22 0.3 undecidable manual P 90 28.8489 107 -0.22 69
IV.PTQR.HHE. 2024-03-26T02:11:43.12 0.3 undecidable manual P 32 19.6692 114 0.41 68
IV.CERT.HHZ. 2024-03-26T02:11:43.63 0.3 undecidable manual P 290 25.6521 109 -0.19 70
IV.GUAR.HHZ. 2024-03-26T02:11:42.89 0.3 undecidable manual S 160 9.0798 134 0.11 74
IV.GUAR.HHZ. 2024-03-26T02:11:40.94 0.1 negative manual P 160 9.0798 134 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUAR.HHE. ML:1.6 0.0006285 0.28 AML other m 2024-03-26T02:11:43.02
IV.GUAR.HNE. ML:1.6 0.000653 0.7 AML other m 2024-03-26T02:11:43.02
IV.GUAR.HHN. ML:1.7 0.000761 1.54 AML other m 2024-03-26T02:11:43.12
IV.GUAR.HNN. ML:1.7 0.000785 1.54 AML other m 2024-03-26T02:11:43.12
IV.CERT.HHE. ML:1.3 0.0001185 0.38 AML other m 2024-03-26T02:11:48.33
IV.CERT.HHN. ML:1.1 0.00007885 0.5 AML other m 2024-03-26T02:11:49.53
IV.POFI.HHN. ML:0.9 0.0000293 0.48 AML other m 2024-03-26T02:11:53.32
IV.POFI.HHE. ML:1.1 0.00004195 0.3 AML other m 2024-03-26T02:11:53.32
IV.LRP.EHN. ML:0.7 0.000018500000000000002 0.7 AML other m 2024-03-26T02:11:53.39
IV.VVLD.HHN. ML:1.0 0.000051500000000000005 0.8 AML other m 2024-03-26T02:11:53.37
IV.VVLD.HHE. ML:1.0 0.0000539 1 AML other m 2024-03-26T02:11:53.28
IV.LRP.EHE. ML:1.0 0.000042 0.68 AML other m 2024-03-26T02:11:55.50
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