Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-02-2024 and time 16:56:36 (UTC) in region 2 km SE Montereale (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km SE Montereale (AQ), on

  • 26-02-2024 16:56:36 (UTC)
  • 26-02-2024 17:56:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5070, 13.2620 at 14 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 4 665 3246
Cagnano Amiterno AQ 6 1369 4615
Barete AQ 6 737 5352
Pizzoli AQ 8 4326 9678
Campotosto AQ 11 542 10220
Borbona RI 11 617 10837
Posta RI 14 694 11531
Amatrice RI 14 2657 14188
Cittareale RI 15 482 14670
Scoppito AQ 15 3727 18397
Antrodoco RI 18 2588 20985
Micigliano RI 18 127 21112
Crognaleto TE 18 1297 22409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km SE of Perugia (166134 inhabitants)
100 Km NE of Velletri (53303 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 1.6 2024-02-26
16:56:36		 42.5073 13.262 14 2024-02-26
17:13:32		 Sala Sismica INGV-Roma 125560201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-26 16:56:36 ± 0.13
Latitude 42.5073 ± 0.0063
Longitude 13.2620 ± 0.0085
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125560201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 776
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
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) 101
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64212
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 125560201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-26 17:13:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2024-02-26T16:56:58.38 0.3 undecidable manual S 341 71.2731 92 0.63 60
IV.CSP1.EHZ. 2024-02-26T16:56:56.51 0.3 undecidable manual S 356 64.9905 93 0.43 64
IV.GUMA.HHZ. 2024-02-26T16:56:55.89 0.3 undecidable manual S 6 61.8936 93 0.64 60
IV.GIUL.HHZ. 2024-02-26T16:56:55.59 3.0 negative manual P 0.28 0
IV.MF5.EHZ. 2024-02-26T16:56:54.40 0.3 undecidable manual S 17 55.6998 93 0.8 57
IV.FDMO.HHZ. 2024-02-26T16:56:54.68 0.3 undecidable manual S 346 60.3951 93 -0.17 67
IV.MMO1.EHZ. 2024-02-26T16:56:50.05 0.3 undecidable manual S 7 43.8228 95 -0.38 66
IV.MML1.EHZ. 2024-02-26T16:56:48.62 0.3 undecidable manual P 341 71.2731 92 -0.05 67
IV.NRCA.HHZ. 2024-02-26T16:56:48.30 0.3 undecidable manual S 342 38.1285 96 -0.63 61
IV.CSP1.EHZ. 2024-02-26T16:56:47.57 0.1 undecidable manual P 356 64.9905 93 -0.13 89
IV.GUMA.HHZ. 2024-02-26T16:56:47.64 0.3 undecidable manual P 6 61.8936 93 0.42 64
IV.FIAM.HHZ. 2024-02-26T16:56:47.09 0.6 undecidable manual S 204 29.0487 99 0.56 44
IV.TERO.HHZ. 2024-02-26T16:56:46.34 0.3 undecidable manual S 65 30.747 98 -0.63 63
IV.MF5.EHZ. 2024-02-26T16:56:46.36 0.3 undecidable manual P 17 55.6998 93 0.09 69
IV.FDMO.HHZ. 2024-02-26T16:56:46.69 0.3 undecidable manual P 346 60.3951 93 -0.3 65
IV.GIGS.HHZ. 2024-02-26T16:56:45.56 0.3 undecidable manual S 103 26.1516 101 -0.2 72
IV.MMO1.EHZ. 2024-02-26T16:56:44.16 0.3 undecidable manual P 7 43.8228 95 -0.28 67
IV.LNSS.HHZ. 2024-02-26T16:56:44.07 0.3 undecidable manual S 300 20.9679 106 -0.34 68
IV.NRCA.HHZ. 2024-02-26T16:56:43.18 0.3 undecidable manual P 342 38.1285 96 -0.39 66
IV.CAMP.HHZ. 2024-02-26T16:56:42.39 0.3 undecidable manual S 75 12.3765 126 0.05 75
IV.SMA1.EHZ. 2024-02-26T16:56:42.80 0.1 undecidable manual S 24 14.874 118 -0.11 98
IV.TERO.HHZ. 2024-02-26T16:56:42.11 0.1 undecidable manual P 65 30.747 98 -0.33 92
IV.LNSS.HHZ. 2024-02-26T16:56:41.05 0.1 undecidable manual P 300 20.9679 106 0.08 99
IV.RM33.EHZ. 2024-02-26T16:56:41.18 0.3 undecidable manual S 273 3.8961 160 0.23 75
IV.GIGS.HHZ. 2024-02-26T16:56:41.86 0.3 undecidable manual P 103 26.1516 101 0.12 72
IV.SMA1.EHZ. 2024-02-26T16:56:40.17 0.1 undecidable manual P 24 14.874 118 0.07 100
IV.FIAM.HHZ. 2024-02-26T16:56:40.78 0.6 undecidable manual P 204 29.0487 99 -1.41 29
IV.CAMP.HHZ. 2024-02-26T16:56:40.00 0.1 undecidable manual P 75 12.3765 126 0.23 97
IV.RM33.EHZ. 2024-02-26T16:56:39.36 0.1 undecidable manual P 273 3.8961 160 0.39 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.8 0.0009174639 0.1664 AML other m 2024-02-26T16:56:41.45
IV.RM33.EHE. ML:1.8 0.0009150502 0.1664 AML other m 2024-02-26T16:56:41.45
IV.RM33.EHN. ML:1.9 0.001063512 0.1152 AML other m 2024-02-26T16:56:41.62
IV.RM33.HNN. ML:1.9 0.0010770132 0.192 AML other m 2024-02-26T16:56:41.33
IV.SMA1.EHN. ML:1.7 0.000448 0.16 AML other m 2024-02-26T16:56:43.12
IV.SMA1.EHE. ML:2.0 0.0008659585 0.1536 AML other m 2024-02-26T16:56:43.13
IV.CAMP.HHE. ML:1.2 0.00015 0.32 AML other m 2024-02-26T16:56:43.98
IV.LNSS.HHN. ML:1.8 0.00040300000000000004 0.14 AML other m 2024-02-26T16:56:44.63
IV.LNSS.HHE. ML:1.8 0.00046138004999999997 0.1536 AML other m 2024-02-26T16:56:44.69
IV.CAMP.HHN. ML:1.2 0.00015547359999999998 0.5632 AML other m 2024-02-26T16:56:42.79
IV.TERO.HHE. ML:1.2 0.00007515 0.58 AML other m 2024-02-26T16:56:46.84
IV.TERO.HHN. ML:1.2 0.00007189999999999999 0.08 AML other m 2024-02-26T16:56:46.88
IV.NRCA.HHN. ML:1.8 0.00021349999999999999 0.12 AML other m 2024-02-26T16:56:48.79
IV.NRCA.HHE. ML:1.8 0.000241 0.14 AML other m 2024-02-26T16:56:48.92
IV.MMO1.EHE. ML:1.2 0.000049794829999999995 0.1792 AML other m 2024-02-26T16:56:50.84
IV.MMO1.EHN. ML:1.2 0.0000514 0.38 AML other m 2024-02-26T16:56:50.22
IV.LNSS.HNE. ML:1.8 0.00044314735000000003 0.1408 AML other m 2024-02-26T16:56:44.68
IV.LNSS.HNN. ML:1.7 0.00033119980000000007 0.1536 AML other m 2024-02-26T16:56:44.63
IV.NRCA.HNE. ML:1.8 0.0002370107 0.1408 AML other m 2024-02-26T16:56:48.92
IV.NRCA.HNN. ML:1.8 0.0002312329 0.1152 AML other m 2024-02-26T16:56:48.79
IV.FDMO.HHE. ML:1.1 0.00002529725 0.1792 AML other m 2024-02-26T16:56:56.47
IV.FDMO.HHN. ML:1.1 0.0000236854 0.1792 AML other m 2024-02-26T16:56:55.81
IV.CSP1.EHN. ML:1.4 0.000046482555000000005 0.1408 AML other m 2024-02-26T16:56:57.17
IV.GUMA.HHE. ML:1.6 0.00007288658 0.32 AML other m 2024-02-26T16:56:56.33
IV.GUMA.HHN. ML:1.5 0.000060249565000000004 0.2816 AML other m 2024-02-26T16:56:56.85
IV.MML1.EHE. ML:1.4 0.00004192425 3.2384 AML other m 2024-02-26T16:57:01.30
IV.MML1.EHN. ML:1.3 0.000029995785 2.5216 AML other m 2024-02-26T16:57:00.47
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