Earthquake with magnitude of ML 1.4 on date 07-07-2023 and time 17:36:25 (Italy) in region 2 km W Montereale (AQ)

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

  • 07-07-2023 15:36:25 (UTC)
  • 07-07-2023 17:36:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5300, 13.2270 at 17 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
Montereale AQ 2 2581 2581
Capitignano AQ 6 665 3246
Cagnano Amiterno AQ 8 1369 4615
Borbona RI 8 617 5232
Barete AQ 10 737 5969
Posta RI 11 694 6663
Cittareale RI 11 482 7145
Pizzoli AQ 12 4326 11471
Campotosto AQ 12 542 12013
Amatrice RI 12 2657 14670
Micigliano RI 17 127 14797
Antrodoco RI 17 2588 17385
Scoppito AQ 18 3727 21112
Accumoli RI 19 667 21779
Borgo Velino RI 19 972 22751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
80 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
94 Km SE of Perugia (166134 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 2023-07-07
15:36:25
42.5295 13.2273 17 2023-07-07
15:40:23
Sala Sismica INGV-Roma 119048751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-07 15:36:25 ± 0.16
Latitude 42.5295 ± 0.0063
Longitude 13.2273 ± 0.0073
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119048751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 716
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 119048751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-07 15:40:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-07-07T15:36:45.36 1.0 undecidable manual S -0.41 0.47
IV.FDMO.HHZ. 2023-07-07T15:36:44.18 3.0 undecidable manual S -0.13 0
IV.TERO.HHZ. 2023-07-07T15:36:37.10 0.6 undecidable manual S 71 32.4453 106 -0.17 48
IV.NRCA.HHZ. 2023-07-07T15:36:37.65 0.6 undecidable manual S 345 34.9428 104 -0.27 48
IV.GIGS.HHZ. 2023-07-07T15:36:36.40 0.6 undecidable manual S 107 29.5482 108 -0.12 48
IV.SMA1.EHZ. 2023-07-07T15:36:33.08 0.6 undecidable manual S 38 14.2746 132 0.14 50
IV.LNSS.HHZ. 2023-07-07T15:36:33.47 0.6 undecidable manual S 298 17.2716 125 -0.11 50
IV.TERO.HHZ. 2023-07-07T15:36:32.47 0.6 undecidable manual P 71 32.4453 106 -0.01 49
IV.FIAM.HHZ. 2023-07-07T15:36:32.21 3.0 positive manual P -0.19 0
IV.NRCA.HHZ. 2023-07-07T15:36:32.71 0.6 positive manual P 345 34.9428 104 -0.14 49
IV.GIGS.HHZ. 2023-07-07T15:36:32.24 1.0 negative manual P 107 29.5482 108 0.19 24
IV.RM33.EHZ. 2023-07-07T15:36:31.18 0.3 undecidable manual S 205 2.4975 170 -0.18 75
IV.SMA1.EHZ. 2023-07-07T15:36:30.25 0.1 negative manual P 38 14.2746 132 0.27 98
IV.LNSS.HHZ. 2023-07-07T15:36:30.44 0.1 positive manual P 298 17.2716 125 0.09 100
IV.RM33.EHZ. 2023-07-07T15:36:29.23 0.6 undecidable manual P 205 2.4975 170 0.16 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.5 0.000326 0.32 AML other m 2023-07-07T15:36:31.49
IV.RM33.HNN. ML:1.6 0.0003775 0.32 AML other m 2023-07-07T15:36:31.33
IV.RM33.HNE. ML:1.7 0.0005529999999999999 0.28 AML other m 2023-07-07T15:36:31.48
IV.RM33.EHE. ML:1.7 0.0005510000000000001 0.28 AML other m 2023-07-07T15:36:31.49
IV.SMA1.EHN. ML:1.4 0.00017 0.12 AML other m 2023-07-07T15:36:33.14
IV.SMA1.EHE. ML:1.8 0.0004935 0.16 AML other m 2023-07-07T15:36:33.42
IV.LNSS.HHE. ML:1.7 0.0003375 0.16 AML other m 2023-07-07T15:36:33.57
IV.LNSS.HHN. ML:1.5 0.0002105 0.18 AML other m 2023-07-07T15:36:33.69
IV.TERO.HHE. ML:0.9 0.00003575 0.66 AML other m 2023-07-07T15:36:37.45
IV.TERO.HHN. ML:0.9 0.0000303 0.94 AML other m 2023-07-07T15:36:37.11
IV.NRCA.HHN. ML:1.1 0.0000505 0.1 AML other m 2023-07-07T15:36:38.05
IV.NRCA.HHE. ML:1.4 0.00010025000000000001 0.18 AML other m 2023-07-07T15:36:38.14
IV.FDMO.HHE. ML:0.8 0.000012620000000000001 0.58 AML other m 2023-07-07T15:36:50.43
IV.FDMO.HHN. ML:0.8 0.000013045000000000001 0.42 AML other m 2023-07-07T15:36:53.60
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