Earthquake with magnitude of ML 1.0 on date 14-04-2023 and time 11:34:53 (UTC) in region 4 km SW Montereale (AQ)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Montereale (AQ), on

  • 14-04-2023 11:34:53 (UTC)
  • 14-04-2023 13:34:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5080, 13.2060 at 12 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 4 2581 2581
Cagnano Amiterno AQ 6 1369 3950
Borbona RI 6 617 4567
Capitignano AQ 8 665 5232
Barete AQ 9 737 5969
Posta RI 9 694 6663
Pizzoli AQ 11 4326 10989
Cittareale RI 13 482 11471
Micigliano RI 14 127 11598
Antrodoco RI 14 2588 14186
Campotosto AQ 15 542 14728
Amatrice RI 15 2657 17385
Scoppito AQ 16 3727 21112
Borgo Velino RI 17 972 22084
Castel Sant'Angelo RI 19 1308 23392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
94 Km SE of Perugia (166134 inhabitants)
98 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 1.0 2023-04-14
11:34:53
42.508 13.2065 12 2023-04-14
11:40:40
Sala Sismica INGV-Roma 116378421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-14 11:34:53 ± 0.11
Latitude 42.5080 ± 0.0054
Longitude 13.2065 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116378421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 525
Semi-minor axis of confidence ellipse (meter) 484
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33275
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 116378421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-14 11:40:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2023-04-14T11:36:30.90 3.0 undecidable manual Pg 17.92 0
GU.GRAM.HHZ. 2023-04-14T11:36:19.52 3.0 undecidable manual Sn 0.82 0
1J.FX14.HHZ.00 2023-04-14T11:36:08.81 3.0 undecidable manual Pn 5.82 0
IV.CDRU.HHZ. 2023-04-14T11:36:05.87 3.0 undecidable manual Sg 3.63 0
GU.POPM.HHZ. 2023-04-14T11:36:05.86 3.0 undecidable manual Sg 3.45 0
IV.BDI.HHZ. 2023-04-14T11:36:00.67 3.0 undecidable manual Sn -4.06 0
OX.MARN.HHZ. 2023-04-14T11:35:53.79 3.0 negative manual Pg 7.36 0
IV.MTMR.HNZ. 2023-04-14T11:35:49.31 3.0 undecidable manual Sn -1.57 0
IV.MGR.HHZ. 2023-04-14T11:35:34.38 3.0 undecidable manual Pn -1.05 0
IV.VVLD.HHZ. 2023-04-14T11:35:08.96 3.0 undecidable manual S -2.67 0
IV.NRCA.HHZ. 2023-04-14T11:35:05.44 0.3 undecidable manual S 348 36.9297 91 -0.2 70
IV.TERO.HHZ. 2023-04-14T11:35:04.82 0.3 undecidable manual S 68 34.8429 91 -0.29 67
IV.TERO.HHZ. 2023-04-14T11:35:00.11 0.1 negative manual P 68 34.8429 91 -0.03 95
IV.LNSS.HHZ. 2023-04-14T11:35:00.28 0.3 undecidable manual S 308 17.1717 96 -0.11 74
IV.NRCA.HHZ. 2023-04-14T11:35:00.54 0.6 undecidable manual P 348 36.9297 91 0.09 47
IV.SMA1.EHZ. 2023-04-14T11:35:00.52 0.3 undecidable manual S 38 17.1717 96 0.13 72
IV.RM33.EHZ. 2023-04-14T11:34:57.25 0.1 undecidable manual S 81 0.6993 176 -0.06 100
IV.LNSS.HHZ. 2023-04-14T11:34:57.47 0.3 undecidable manual P 308 17.1717 96 0.06 73
IV.SMA1.EHZ. 2023-04-14T11:34:57.71 0.6 negative manual P 38 17.1717 96 0.3 46
IV.RM33.EHZ. 2023-04-14T11:34:55.74 0.1 undecidable manual P 81 0.6993 176 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.0001205 0.16 AML other m 2023-04-14T11:34:57.29
IV.RM33.EHE. ML:1.1 0.0001855 0.32 AML other m 2023-04-14T11:34:57.15
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