Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-12-2023 and time 09:08:22 (UTC) in region 2 km NE Montereale (AQ)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Montereale (AQ), on

  • 27-12-2023 09:08:22 (UTC)
  • 27-12-2023 10:08:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5340, 13.2670 at 11 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
Montereale AQ 2 2581 2581
Capitignano AQ 3 665 3246
Campotosto AQ 9 542 3788
Cagnano Amiterno AQ 9 1369 5157
Barete AQ 9 737 5894
Amatrice RI 11 2657 8551
Pizzoli AQ 11 4326 12877
Borbona RI 11 617 13494
Cittareale RI 13 482 13976
Posta RI 14 694 14670
Crognaleto TE 18 1297 15967
Accumoli RI 18 667 16634
Scoppito AQ 18 3727 20361
Micigliano RI 20 127 20488
Antrodoco RI 20 2588 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
77 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km NE of Roma (2864731 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 1.4 2023-12-27
09:08:22		 42.5345 13.2673 11 2023-12-27
09:26:23		 Sala Sismica INGV-Roma 124295501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-27 09:08:22 ± 0.06
Latitude 42.5345 ± 0.0027
Longitude 13.2673 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124295501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67629
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 124295501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-27 09:26:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2023-12-27T09:08:51.55 3.0 undecidable manual S 0.63 0
IV.ASSB.HHE. 2023-12-27T09:08:45.22 0.6 undecidable manual S 319 75.0693 90 0.58 38
IV.GUAR.HHZ. 2023-12-27T09:08:44.92 3.0 undecidable manual S -0.71 0
IV.CSP1.EHZ. 2023-12-27T09:08:41.57 0.3 undecidable manual S 355 61.9935 90 0.41 63
IV.FDMO.HHZ. 2023-12-27T09:08:40.39 0.3 undecidable manual S 345 57.5979 90 0.42 63
IV.CESI.HNN. 2023-12-27T09:08:40.81 0.3 undecidable manual S 331 59.9955 90 0.2 66
IV.MF5.EHZ. 2023-12-27T09:08:39.41 0.3 undecidable manual S 17 52.7028 91 0.75 57
IV.T0110.HHE. 2023-12-27T09:08:39.52 0.3 undecidable manual S 129 53.7018 90 0.58 64
IV.FEMA.HNE. 2023-12-27T09:08:38.78 0.3 undecidable manual S 340 50.616 91 0.66 58
IV.VCEL.EHE. 2023-12-27T09:08:38.43 0.3 undecidable manual S 108 49.4172 91 0.64 63
IT.CSO1.HGZ. 2023-12-27T09:08:38.28 3.0 undecidable manual S 0.51 0
IV.MC2.EHE. 2023-12-27T09:08:36.35 0.3 undecidable manual S 351 42.3243 91 0.46 65
IV.MMO1.EHZ. 2023-12-27T09:08:35.30 0.3 undecidable manual S 7 40.7259 91 -0.18 70
IV.ARRO.EHE. 2023-12-27T09:08:35.25 0.3 undecidable manual S 277 41.3253 91 -0.37 68
7F.SIB1.EHE. 2023-12-27T09:08:35.29 0.3 undecidable manual S 0 39.9267 91 0.02 71
IV.ASSB.HHE. 2023-12-27T09:08:35.63 0.3 undecidable manual P 319 75.0693 90 0.5 60
7F.SIB2.EHE. 2023-12-27T09:08:34.84 0.3 undecidable manual S 4 39.627 91 -0.35 68
7F.SIB3.EHE. 2023-12-27T09:08:34.34 0.3 undecidable manual S 0 37.8288 91 -0.35 68
IV.GAVE.EHZ. 2023-12-27T09:08:33.70 0.3 undecidable manual S 300 35.1426 91 -0.28 70
IV.CSP1.EHZ. 2023-12-27T09:08:33.05 0.1 undecidable manual P 355 61.9935 90 -0.07 92
IV.NRCA.HHZ. 2023-12-27T09:08:33.63 0.3 undecidable manual S 339 35.4423 91 -0.44 68
IV.FIAM.HHN. 2023-12-27T09:08:33.07 0.3 undecidable manual S 203 32.0457 91 -0.08 72
IV.FDMO.HHZ. 2023-12-27T09:08:32.51 0.1 undecidable manual P 345 57.5979 90 0.07 92
IV.CESI.HNN. 2023-12-27T09:08:32.92 0.1 undecidable manual P 331 59.9955 90 0.12 90
IV.MF5.EHZ. 2023-12-27T09:08:31.87 0.1 positive manual P 17 52.7028 91 0.19 91
IV.T0110.HHE. 2023-12-27T09:08:31.81 0.1 undecidable manual P 129 53.7018 90 -0.03 92
IV.MTRA.EHE. 2023-12-27T09:08:31.10 0.3 undecidable manual S 23 26.8509 91 -0.66 63
IV.FEMA.HNE. 2023-12-27T09:08:31.54 0.3 undecidable manual P 340 50.616 91 0.17 68
IV.GIGS.HHZ. 2023-12-27T09:08:31.19 0.3 undecidable manual S 110 26.5512 91 -0.5 64
IV.VCEL.EHE. 2023-12-27T09:08:31.43 0.1 undecidable manual P 108 49.4172 91 0.25 91
IV.TERO.HNZ. 2023-12-27T09:08:31.79 0.3 undecidable manual S 70 29.1486 91 -0.61 62
IV.MC2.EHE. 2023-12-27T09:08:30.11 0.1 undecidable manual P 351 42.3243 91 0.03 95
MN.AQU.HHE. 2023-12-27T09:08:30.91 0.6 undecidable manual S 151 22.9548 92 0.17 49
7F.SIB1.EHE. 2023-12-27T09:08:29.60 0.1 undecidable manual P 0 39.9267 91 -0.12 95
7F.SIB2.EHE. 2023-12-27T09:08:29.48 0.1 undecidable manual P 4 39.627 91 -0.2 93
IV.LNSS.HHZ. 2023-12-27T09:08:29.63 0.3 undecidable manual S 292 20.0688 93 -0.32 71
IV.MMO1.EHZ. 2023-12-27T09:08:29.63 0.1 undecidable manual P 7 40.7259 91 -0.22 93
IV.ARRO.EHE. 2023-12-27T09:08:29.66 0.1 positive manual P 277 41.3253 91 -0.27 92
7F.SIB3.EHE. 2023-12-27T09:08:29.40 0.1 undecidable manual P 0 37.8288 91 0.01 96
IV.GAVE.EHZ. 2023-12-27T09:08:28.72 0.1 positive manual P 300 35.1426 91 -0.26 93
IV.NRCA.HHZ. 2023-12-27T09:08:28.85 0.1 negative manual P 339 35.4423 91 -0.17 95
IV.FIAM.HHN. 2023-12-27T09:08:28.80 0.1 undecidable manual P 203 32.0457 91 0.3 92
IV.GIGS.HHZ. 2023-12-27T09:08:27.37 0.1 positive manual P 110 26.5512 91 -0.29 92
IV.SMA1.EHZ. 2023-12-27T09:08:27.96 0.3 undecidable manual S 28 11.9769 113 0.11 74
MN.AQU.HHE. 2023-12-27T09:08:27.12 0.1 undecidable manual P 151 22.9548 92 0.02 99
IV.TERO.HNZ. 2023-12-27T09:08:27.72 0.1 positive manual P 70 29.1486 91 -0.34 91
IV.MTRA.EHE. 2023-12-27T09:08:27.38 0.1 positive manual P 23 26.8509 91 -0.32 93
IV.CAMP.HHZ. 2023-12-27T09:08:27.71 0.3 undecidable manual S 89 11.5773 115 -0.03 75
IV.RM33.EHZ. 2023-12-27T09:08:26.48 0.3 undecidable manual S 237 5.1948 148 0.02 76
IV.LNSS.HHZ. 2023-12-27T09:08:26.60 0.1 positive manual P 292 20.0688 93 -0.05 100
IV.CAMP.HHZ. 2023-12-27T09:08:25.53 0.1 positive manual P 89 11.5773 115 0.16 99
IV.SMA1.EHZ. 2023-12-27T09:08:25.60 0.1 positive manual P 28 11.9769 113 0.16 98
IV.RM33.EHZ. 2023-12-27T09:08:24.85 0.1 negative manual P 237 5.1948 148 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.8 0.00104947975 0.0896 AML other m 2023-12-27T09:08:26.59
IV.RM33.EHN. ML:1.8 0.00104885315 0.1216 AML other m 2023-12-27T09:08:26.81
IV.RM33.HNE. ML:1.8 0.001075 0.18 AML other m 2023-12-27T09:08:26.88
IV.RM33.EHE. ML:1.8 0.0010328710500000001 0.16 AML other m 2023-12-27T09:08:26.88
IV.CAMP.HHN. ML:1.4 0.0002585 0.32 AML other m 2023-12-27T09:08:28.24
IV.SMA1.EHE. ML:2.0 0.00115357565 0.2176 AML other m 2023-12-27T09:08:28.37
IV.SMA1.EHN. ML:1.6 0.0004108206 0.1408 AML other m 2023-12-27T09:08:28.38
IV.CAMP.HHE. ML:1.4 0.00027449999999999995 0.34 AML other m 2023-12-27T09:08:29.21
IV.LNSS.HHN. ML:1.6 0.00032 0.28 AML other m 2023-12-27T09:08:30.07
IV.LNSS.HHE. ML:1.5 0.00022884484999999998 0.1792 AML other m 2023-12-27T09:08:30.16
IV.GIGS.HHN. ML:0.8 0.00003735 0.12 AML other m 2023-12-27T09:08:31.59
IV.GIGS.HHE. ML:0.7 0.000026144609999999998 0.16 AML other m 2023-12-27T09:08:32.60
IV.TERO.HHN. ML:1.2 0.00007035967000000001 0.1408 AML other m 2023-12-27T09:08:33.06
IV.TERO.HHE. ML:1.3 0.0000968 0.14 AML other m 2023-12-27T09:08:34.21
IV.NRCA.HHN. ML:1.4 0.00008840954000000001 0.1024 AML other m 2023-12-27T09:08:34.27
IV.GAVE.EHN. ML:1.4 0.00009095 0.14 AML other m 2023-12-27T09:08:34.53
IV.NRCA.HHE. ML:1.6 0.0001563167 0.0832 AML other m 2023-12-27T09:08:35.78
IV.GAVE.EHE. ML:1.4 0.00009928463499999999 0.16 AML other m 2023-12-27T09:08:34.85
IV.FDMO.HHN. ML:1.0 0.00001993164 0.16 AML other m 2023-12-27T09:08:42.58
IV.FDMO.HHE. ML:1.0 0.000021926794999999998 0.2176 AML other m 2023-12-27T09:08:42.20
IV.LNSS.HNE. ML:1.5 0.00024045160000000002 0.192 AML other m 2023-12-27T09:08:30.16
IV.LNSS.HNN. ML:1.6 0.0002629139 0.2688 AML other m 2023-12-27T09:08:30.08
IV.TERO.HNE. ML:1.4 0.00011137299 0.6976 AML other m 2023-12-27T09:08:36.65
IV.TERO.HNN. ML:1.3 0.00010111903 0.1408 AML other m 2023-12-27T09:08:33.13
IV.GAVE.HNE. ML:1.5 0.00012060535 0.7296 AML other m 2023-12-27T09:08:40.00
IV.GAVE.HNN. ML:1.8 0.0002797182 1.3504 AML other m 2023-12-27T09:08:33.17
IV.NRCA.HNE. ML:1.6 0.00015393375 0.1216 AML other m 2023-12-27T09:08:34.35
IV.NRCA.HNN. ML:1.7 0.00018637520000000003 0.8192 AML other m 2023-12-27T09:08:46.93
IV.MF5.EHE. ML:1.2 0.000037365224999999994 0.3776 AML other m 2023-12-27T09:08:42.10
IV.MF5.EHN. ML:1.1 0.000030383584999999997 0.224 AML other m 2023-12-27T09:08:43.37
IV.CSP1.EHE. ML:1.2 0.00003275518 0.1664 AML other m 2023-12-27T09:08:42.99
IV.CSP1.EHN. ML:1.3 0.0000386894375 0.1984 AML other m 2023-12-27T09:08:43.57
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