Earthquake with magnitude of ML 1.5 on date 28-05-2023 and time 05:54:55 (Italy) in region 4 km NW Montereale (AQ)

A magnitude ML 1.5 earthquake occured in region: 4 km NW Montereale (AQ), on

  • 28-05-2023 03:54:55 (UTC)
  • 28-05-2023 05:54:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5430, 13.2070 at 16 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
Borbona RI 7 617 3198
Capitignano AQ 8 665 3863
Cittareale RI 9 482 4345
Posta RI 9 694 5039
Cagnano Amiterno AQ 9 1369 6408
Amatrice RI 12 2657 9065
Barete AQ 12 737 9802
Campotosto AQ 14 542 10344
Pizzoli AQ 14 4326 14670
Micigliano RI 16 127 14797
Accumoli RI 17 667 15464
Antrodoco RI 17 2588 18052
Borgo Velino RI 19 972 19024
Scoppito AQ 20 3727 22751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
94 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 1.5 2023-05-28
03:54:55
42.543 13.2068 16 2023-05-28
04:00:54
Sala Sismica INGV-Roma 117799731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 03:54:55 ± 0.25
Latitude 42.5430 ± 0.0135
Longitude 13.2068 ± 0.0134
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117799731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1642
Semi-minor axis of confidence ellipse (meter) 682
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30307
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 117799731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 04:00:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2023-05-28T03:56:28.27 3.0 undecidable manual Pg 13.61 0
IX.SCL3.EHZ.02 2023-05-28T03:55:56.61 3.0 undecidable manual Sn -4.28 0
IV.FNVD.HHZ. 2023-05-28T03:55:53.73 3.0 undecidable manual Sg 1.67 0
IV.MCRV.HHZ. 2023-05-28T03:55:52.01 3.0 undecidable manual Sn -2.63 0
IV.BSSO.HHZ. 2023-05-28T03:55:35.67 3.0 undecidable manual Sn 0.57 0
IX.SCL3.EHZ.02 2023-05-28T03:55:32.09 3.0 undecidable manual Pn 2.04 0
IV.TERO.HHZ. 2023-05-28T03:55:06.24 0.3 undecidable manual S 75 33.6441 102 -0.35 68
IV.GIUL.HHZ. 2023-05-28T03:55:06.83 3.0 undecidable manual Pg 1.21 0
IV.NRCA.HHZ. 2023-05-28T03:55:06.33 0.3 undecidable manual S 347 33.1446 103 -0.13 72
IV.GIGS.HHZ. 2023-05-28T03:55:05.69 0.3 undecidable manual S 108 31.5462 103 -0.36 68
IV.CAMP.HHZ. 2023-05-28T03:55:03.13 0.3 undecidable manual S 93 16.5723 123 0.8 60
IV.TOLF.HHZ. 2023-05-28T03:55:02.39 3.0 undecidable manual P -0.75 0
IV.LNSS.HHZ. 2023-05-28T03:55:02.01 0.3 undecidable manual S 296 15.1737 126 -0.01 75
IV.NRCA.HHZ. 2023-05-28T03:55:01.42 0.6 undecidable manual P 347 33.1446 103 -0.2 47
IV.TERO.HHZ. 2023-05-28T03:55:01.47 0.3 undecidable manual P 75 33.6441 102 -0.23 70
IV.GIGS.HHZ. 2023-05-28T03:55:01.50 1.0 undecidable manual P 108 31.5462 103 0.11 24
IV.RM33.HNN. 2023-05-28T03:55:00.10 0.1 undecidable manual S 171 3.7962 164 -0.14 98
IV.LNSS.HHZ. 2023-05-28T03:54:59.18 0.1 undecidable manual P 296 15.1737 126 0.12 98
IV.CAMP.HHZ. 2023-05-28T03:54:59.47 0.3 undecidable manual P 93 16.5723 123 0.23 71
IV.RM33.HNN. 2023-05-28T03:54:58.16 0.1 undecidable manual P 171 3.7962 164 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.6 0.0002875 0.14 AML other m 2023-05-28T03:55:02.29
IV.LNSS.HHN. ML:1.4 0.0001855 0.44 AML other m 2023-05-28T03:55:02.34
IV.LNSS.HNE. ML:1.6 0.0002739315 0.1408 AML other m 2023-05-28T03:55:02.30
IV.LNSS.HNN. ML:1.4 0.00018819150000000002 0.1504 AML other m 2023-05-28T03:55:02.27
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