Earthquake with magnitude of ML 1.5 on date 26-09-2023 and time 11:00:06 (UTC) in region 2 km NW Castorano (AP)

A magnitude ML 1.5 earthquake occured in region: 2 km NW Castorano (AP), on

  • 26-09-2023 11:00:06 (UTC)
  • 26-09-2023 13:00:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9180, 13.7160 at 25 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
Castorano AP 2 2380 2380
Offida AP 3 5058 7438
Appignano del Tronto AP 4 1785 9223
Colli del Tronto AP 5 3668 12891
Castel di Lama AP 5 8634 21525
Spinetoli AP 6 7215 28740
Monsampolo del Tronto AP 7 4611 33351
Cossignano AP 8 978 34329
Castignano AP 8 2796 37125
Acquaviva Picena AP 9 3831 40956
Ancarano TE 9 1857 42813
Maltignano AP 10 2401 45214
Monteprandone AP 10 12655 57869
Ripatransone AP 10 4309 62178
Sant'Egidio alla Vibrata TE 10 9811 71989
Controguerra TE 11 2436 74425
Torano Nuovo TE 12 1611 76036
Montalto delle Marche AP 12 2122 78158
Montedinove AP 12 488 78646
Folignano AP 13 9241 87887
Carassai AP 13 1100 88987
Rotella AP 13 906 89893
Ascoli Piceno AP 13 49407 139300
Colonnella TE 13 3734 143034
Nereto TE 14 5242 148276
Corropoli TE 14 5045 153321
San Benedetto del Tronto AP 14 47303 200624
Grottammare AP 15 16006 216630
Montefiore dell'Aso AP 15 2123 218753
Ortezzano FM 15 774 219527
Sant'Omero TE 16 5243 224770
Massignano AP 16 1638 226408
Monte Vidon Combatte FM 16 433 226841
Monte Rinaldo FM 17 379 227220
Civitella del Tronto TE 17 5116 232336
Martinsicuro TE 17 16033 248369
Cupra Marittima AP 17 5398 253767
Petritoli FM 17 2335 256102
Montelparo FM 18 778 256880
Venarotta AP 19 2066 258946
Monterubbiano FM 19 2230 261176
Moresco FM 19 598 261774
Force AP 19 1354 263128
Alba Adriatica TE 19 12353 275481
Montottone FM 19 979 276460
Campofilone FM 20 1916 278376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Teramo (54892 inhabitants)
57 Km NW of Montesilvano (53738 inhabitants)
65 Km NW of Pescara (121014 inhabitants)
68 Km NE of L'Aquila (69753 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
82 Km E of Foligno (57155 inhabitants)
96 Km E of Terni (111501 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 2023-09-26
11:00:06
42.9178 13.7155 25 2023-09-26
11:20:23
Sala Sismica INGV-Roma 121481891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-26 11:00:06 ± 0.19
Latitude 42.9178 ± 0.0072
Longitude 13.7155 ± 0.0111
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121481891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 822
Semi-minor axis of confidence ellipse (meter) 577
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
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 42
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 121481891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-26 11:20:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2023-09-26T11:01:50.03 3.0 undecidable manual Sn 1.49 0
MN.TIR.HHZ. 2023-09-26T11:01:49.35 3.0 undecidable manual Sn 0.49 0
IT.LNT.HGZ. 2023-09-26T11:01:23.25 3.0 undecidable manual Pn -0.25 0
7C.SPAOL.HNZ. 2023-09-26T11:01:23.72 3.0 undecidable manual Pn 3.76 0
IV.CRJA.HNZ. 2023-09-26T11:01:21.24 3.0 undecidable manual Pn 2.88 0
IV.EPZF.HHZ. 2023-09-26T11:01:20.79 3.0 undecidable manual Pn 4.67 0
OX.MARN.HHZ. 2023-09-26T11:01:17.14 3.0 undecidable manual Sn -4.82 0
IV.VITU.HHZ. 2023-09-26T11:01:06.46 3.0 undecidable manual Sg 8.76 0
IV.MCRV.HHZ. 2023-09-26T11:01:06.94 3.0 undecidable manual Sn -1.11 0
IV.CSNT.HHZ. 2023-09-26T11:01:03.55 3.0 undecidable manual Sn 1.59 0
IV.MABI.HHZ. 2023-09-26T11:01:02.18 3.0 undecidable manual Pg 9.69 0
IV.SGTA.HHZ. 2023-09-26T11:01:02.77 3.0 undecidable manual Sn 2.59 0
IV.MGR.HNZ. 2023-09-26T11:01:00.24 3.0 undecidable manual Pg 14.99 0
IV.BULG.HHZ. 2023-09-26T11:00:57.39 3.0 undecidable manual Pg 11.65 0
IV.ZEN8.EHZ. 2023-09-26T11:00:48.08 3.0 undecidable manual Pn 0.75 0
OX.AGOR.HHZ. 2023-09-26T11:00:46.35 3.0 undecidable manual Pn 1.54 0
IV.BSSO.HHZ. 2023-09-26T11:00:43.50 3.0 undecidable manual Sn -5.36 0
IV.CMPR.HHZ. 2023-09-26T11:00:37.90 3.0 undecidable manual Pn -4.48 0
IV.ZCCA.HHZ. 2023-09-26T11:00:37.14 3.0 undecidable manual Pn -0.07 0
IV.ARVD.HHZ. 2023-09-26T11:00:34.27 3.0 undecidable manual Sg 1.68 0
IV.LRP.EHZ. 2023-09-26T11:00:29.45 3.0 negative manual Pg 3.41 0
7F.SIB1.EHE. 2023-09-26T11:00:19.29 0.3 undecidable manual S 266 36.2415 119 0.11 74
IV.TERO.HHZ. 2023-09-26T11:00:19.05 0.3 undecidable manual S 196 33.9438 120 0.41 70
7F.SIB2.EHE. 2023-09-26T11:00:18.37 0.3 undecidable manual S 265 33.5442 121 -0.18 72
IV.MMO1.EHZ. 2023-09-26T11:00:18.03 0.6 undecidable manual S 266 31.6461 123 -0.08 49
IV.FRON.EHZ. 2023-09-26T11:00:18.48 3.0 positive manual P 0.37 0
IV.MML1.EHZ. 2023-09-26T11:00:17.53 3.0 undecidable manual Pg 1.11 0
IV.MNTT.EHE. 2023-09-26T11:00:16.16 0.3 undecidable manual S 329 18.6702 139 0.68 65
IV.MF5.EHZ. 2023-09-26T11:00:16.35 0.3 undecidable manual S 291 22.1556 134 0.24 74
IV.NRCA.HHZ. 2023-09-26T11:00:15.66 0.3 undecidable manual P 259 49.7169 110 0.15 71
IV.FDMO.HHZ. 2023-09-26T11:00:15.77 0.3 undecidable manual P 285 52.6029 109 -0.16 71
IV.CSP1.EHZ. 2023-09-26T11:00:14.82 0.3 undecidable manual P 295 45.7209 112 -0.11 73
IV.OFFI.HHZ. 2023-09-26T11:00:13.30 0.3 undecidable manual S 308 3.0969 172 -0.42 73
IV.TERO.HHZ. 2023-09-26T11:00:13.47 0.3 undecidable manual P 196 33.9438 120 0.16 73
7F.SIB1.EHE. 2023-09-26T11:00:13.62 0.3 undecidable manual P 266 36.2415 119 0 75
7F.SIB2.EHE. 2023-09-26T11:00:13.05 0.1 undecidable manual P 265 33.5442 121 -0.2 97
7F.SIB3.EHE. 2023-09-26T11:00:13.52 0.3 undecidable manual P 263 36.5412 118 -0.13 73
IV.MTRA.EHE. 2023-09-26T11:00:12.91 0.6 undecidable manual P 236 31.5462 123 -0.07 50
IV.MMO1.EHZ. 2023-09-26T11:00:12.87 0.3 undecidable manual P 266 31.6461 123 -0.13 74
IV.MNTT.EHE. 2023-09-26T11:00:11.68 0.3 undecidable manual P 329 18.6702 139 0.2 74
IV.MF5.EHZ. 2023-09-26T11:00:11.91 0.3 undecidable manual P 291 22.1556 134 0.06 76
IV.OFFI.HHZ. 2023-09-26T11:00:10.16 0.1 positive manual P 308 3.0969 172 -0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:1.9 0.0005035 0.44 AML other m 2023-09-26T11:00:13.59
IV.OFFI.HHE. ML:1.9 0.000572 0.74 AML other m 2023-09-26T11:00:14.96
IV.NRCA.HHN. ML:1.5 0.000075 0.1 AML other m 2023-09-26T11:00:23.83
IV.NRCA.HHE. ML:1.6 0.00008595 1.1 AML other m 2023-09-26T11:00:24.73
IV.MMO1.EHE. ML:1.3 0.00006369571 0.1216 AML other m 2023-09-26T11:00:18.22
IV.MMO1.EHN. ML:1.3 0.000067769395 0.4224 AML other m 2023-09-26T11:00:18.64
IV.TERO.HHE. ML:1.4 0.00007906135 0.0576 AML other m 2023-09-26T11:00:19.50
IV.TERO.HHN. ML:1.1 0.000040184375 0.1792 AML other m 2023-09-26T11:00:19.42
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