Earthquake with magnitude of ML 1.0 on date 20-05-2024 and time 23:50:24 (Italy) in region 3 km SE Montereale (AQ)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Montereale (AQ), on

  • 20-05-2024 21:50:24 (UTC)
  • 20-05-2024 23:50:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5030, 13.2550 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.

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 3 2581 2581
Capitignano AQ 4 665 3246
Cagnano Amiterno AQ 5 1369 4615
Barete AQ 6 737 5352
Pizzoli AQ 8 4326 9678
Borbona RI 10 617 10295
Campotosto AQ 11 542 10837
Posta RI 13 694 11531
Scoppito AQ 15 3727 15258
Amatrice RI 15 2657 17915
Cittareale RI 15 482 18397
Antrodoco RI 17 2588 20985
Micigliano RI 17 127 21112
Crognaleto TE 19 1297 22409
Borgo Velino RI 19 972 23381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km SE of Perugia (166134 inhabitants)
99 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 2024-05-20
21:50:24
42.5028 13.2553 14 2024-05-20
22:00:19
Sala Sismica INGV-Roma 127971571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-20 21:50:24 ± 0.05
Latitude 42.5028 ± 0.0027
Longitude 13.2553 ± 0.0037
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 127971571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 127971571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-20 22:00:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2024-05-20T21:52:21.92 3.0 undecidable manual Sg 12.08 0
IV.BRICA.EHZ. 2024-05-20T21:52:14.77 3.0 undecidable manual Sn -8.36 0
NI.PALA.HHZ. 2024-05-20T21:52:01.27 3.0 undecidable manual Sn -9.99 0
MN.TRI.HHZ. 2024-05-20T21:51:52.82 3.0 undecidable manual Sn -5.7 0
IV.MCRV.HHZ. 2024-05-20T21:51:34.13 3.0 undecidable manual Sg 1.9 0
IV.BRICA.EHZ. 2024-05-20T21:51:32.87 3.0 undecidable manual Pn 1.49 0
IV.SPS2.HHZ. 2024-05-20T21:51:29.53 3.0 undecidable manual Pn 3 0
IV.IMOL.HNZ. 2024-05-20T21:51:05.14 3.0 negative manual Pg 2.23 0
OT.OT14.HHZ. 2024-05-20T21:50:58.99 3.0 undecidable manual Pn -1.64 0
IV.MMO1.EHZ. 2024-05-20T21:50:39.17 0.6 undecidable manual S 8 44.3223 96 0.22 45
7F.SIB3.EHE. 2024-05-20T21:50:38.14 0.6 undecidable manual S 2 41.3253 97 0 48
IV.NRCA.HHZ. 2024-05-20T21:50:37.37 0.6 undecidable manual S 343 38.4282 97 -0.01 48
IV.GAVE.HNN. 2024-05-20T21:50:36.60 0.6 undecidable manual S 306 36.2415 98 -0.19 47
ZO.PDN11.EHZ. 2024-05-20T21:50:35.88 0.6 undecidable manual S 341 33.0447 99 -0.07 48
IV.MTRA.HNE. 2024-05-20T21:50:35.01 0.6 undecidable manual S 22 30.4473 101 -0.25 47
IV.TERO.HHZ. 2024-05-20T21:50:35.43 0.6 undecidable manual S 65 31.4463 100 -0.1 48
IV.GIGS.HHZ. 2024-05-20T21:50:34.04 0.6 undecidable manual S 102 26.5512 103 -0.21 48
IV.FIAM.HHZ. 2024-05-20T21:50:34.73 0.6 undecidable manual S 204 28.4493 102 -0.01 49
7F.SIB3.EHE. 2024-05-20T21:50:32.31 0.1 undecidable manual P 2 41.3253 97 -0.1 94
IV.LNSS.HHZ. 2024-05-20T21:50:32.76 0.6 undecidable manual S 302 20.7681 110 -0.02 50
IV.MMO1.EHZ. 2024-05-20T21:50:32.89 0.1 undecidable manual P 8 44.3223 96 0.01 95
IV.SMA1.EHZ. 2024-05-20T21:50:31.81 0.6 undecidable manual S 25 15.5733 120 0.3 47
IV.NRCA.HHZ. 2024-05-20T21:50:31.93 0.1 undecidable manual P 343 38.4282 97 -0.05 96
IV.GAVE.HNN. 2024-05-20T21:50:31.60 0.1 undecidable manual P 306 36.2415 98 -0.04 96
ZO.PDN11.EHZ. 2024-05-20T21:50:31.36 0.1 undecidable manual P 341 33.0447 99 0.2 94
IV.TERO.HHZ. 2024-05-20T21:50:30.71 0.1 undecidable manual P 65 31.4463 100 -0.2 95
IV.GIGS.HHZ. 2024-05-20T21:50:30.26 0.1 undecidable manual P 102 26.5512 103 0.08 96
IV.FIAM.HHZ. 2024-05-20T21:50:30.42 0.1 undecidable manual P 204 28.4493 102 -0.03 98
IV.MTRA.HNE. 2024-05-20T21:50:30.64 0.1 undecidable manual P 22 30.4473 101 -0.12 96
IV.RM33.HNZ. 2024-05-20T21:50:29.23 0.6 undecidable manual S 281 3.3966 164 -0.24 49
IV.LNSS.HHZ. 2024-05-20T21:50:29.44 0.1 negative manual P 302 20.7681 110 0.12 98
IV.SMA1.EHZ. 2024-05-20T21:50:28.88 0.1 positive manual P 25 15.5733 120 0.29 94
IV.RM33.HNZ. 2024-05-20T21:50:27.53 0.1 undecidable manual P 281 3.3966 164 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.4 0.0001785 0.24 AML other m 2024-05-20T21:50:32.18
IV.SMA1.EHN. ML:0.9 0.00006610000000000001 0.34 AML other m 2024-05-20T21:50:32.57
IV.LNSS.HHE. ML:0.8 0.000042999999999999995 0.76 AML other m 2024-05-20T21:50:33.28
IV.LNSS.HHN. ML:0.8 0.0000399 0.66 AML other m 2024-05-20T21:50:33.87
IV.NRCA.HHN. ML:1.0 0.0000349 0.38 AML other m 2024-05-20T21:50:37.95
IV.NRCA.HHE. ML:1.1 0.000037699999999999995 0.12 AML other m 2024-05-20T21:50:37.77
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