Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-03-2021 and time 02:24:45 (Italy) in region 3 km W Cupra Marittima (AP)

A magnitude ML 1.3 earthquake occured in region: 3 km W Cupra Marittima (AP), on

  • 26-03-2021 01:24:45 (UTC)
  • 26-03-2021 02:24:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0320, 13.8270 at 27 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cupra Marittima AP 3 5398 5398
Massignano AP 3 1638 7036
Campofilone FM 5 1916 8952
Grottammare AP 6 16006 24958
Ripatransone AP 6 4309 29267
Montefiore dell'Aso AP 7 2123 31390
Pedaso FM 8 2800 34190
Altidona FM 9 3390 37580
Acquaviva Picena AP 10 3831 41411
Lapedona FM 10 1166 42577
Moresco FM 10 598 43175
San Benedetto del Tronto AP 11 47303 90478
Monterubbiano FM 11 2230 92708
Carassai AP 12 1100 93808
Cossignano AP 12 978 94786
Monteprandone AP 12 12655 107441
Petritoli FM 14 2335 109776
Monsampolo del Tronto AP 15 4611 114387
Offida AP 15 5058 119445
Ponzano di Fermo FM 16 1674 121119
Monte Vidon Combatte FM 16 433 121552
Spinetoli AP 16 7215 128767
Fermo FM 17 37655 166422
Castorano AP 17 2380 168802
Monte Giberto FM 17 801 169603
Porto San Giorgio FM 17 16121 185724
Ortezzano FM 18 774 186498
Martinsicuro TE 18 16033 202531
Colonnella TE 18 3734 206265
Colli del Tronto AP 18 3668 209933
Montalto delle Marche AP 19 2122 212055
Castignano AP 20 2796 214851
Controguerra TE 20 2436 217287
Appignano del Tronto AP 20 1785 219072
Montottone FM 20 979 220051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km N of Teramo (54892 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
70 Km SE of Ancona (100861 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
83 Km NE of L'Aquila (69753 inhabitants)
92 Km E of Foligno (57155 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 1.3 2021-03-26
01:24:45		 43.0325 13.8273 27 2021-03-26
02:16:05		 Sala Sismica INGV-Roma 88476421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-26 01:24:45 ± 0.15
Latitude 43.0325 ± 0.0081
Longitude 13.8273 ± 0.0074
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88476421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 729
Semi-minor axis of confidence ellipse (meter) 562
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.16907
Epicentral distance of station farthest from the epicenter (degree) 0.54049
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 88476421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-26 02:16:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2021-03-26T01:25:04.44 0.3 undecidable manual S 271 59.9955 109 0.11 70
IV.MC2.EHZ. 2021-03-26T01:25:02.80 0.3 undecidable manual S 256 53.502 111 0.09 71
IV.CSP1.EHZ. 2021-03-26T01:25:02.18 0.3 undecidable manual S 278 50.9157 112 0.13 71
IV.TERO.HHZ. 2021-03-26T01:25:01.59 0.3 undecidable manual S 202 48.9177 113 0.02 72
IV.MMO1.EHZ. 2021-03-26T01:24:59.89 0.3 undecidable manual S 250 43.2234 116 -0.29 69
IV.GUMA.HHZ. 2021-03-26T01:24:58.83 0.6 undecidable manual S 275 40.0266 118 -0.6 42
IV.MNTP.HNZ. 2021-03-26T01:24:57.84 0.6 undecidable manual S 292 31.2465 126 0.4 46
IV.MF5.EHZ. 2021-03-26T01:24:57.27 0.6 undecidable manual S 261 30.2475 127 0.05 50
IV.FDMO.HHZ. 2021-03-26T01:24:56.04 0.1 undecidable manual P 271 59.9955 109 -0.18 92
IV.MC2.EHZ. 2021-03-26T01:24:55.28 0.1 undecidable manual P 256 53.502 111 0 96
IV.MNTT.EHZ. 2021-03-26T01:24:55.06 0.6 undecidable manual S 280 19.0698 141 0 51
IV.TERO.HHZ. 2021-03-26T01:24:54.71 0.1 undecidable manual P 202 48.9177 113 0.08 95
IV.CSP1.EHZ. 2021-03-26T01:24:54.78 0.1 undecidable manual P 278 50.9157 112 -0.12 94
IV.GUMA.HHZ. 2021-03-26T01:24:53.55 0.1 undecidable manual P 275 40.0266 118 0.16 95
IV.MMO1.EHZ. 2021-03-26T01:24:53.60 0.1 undecidable manual P 250 43.2234 116 -0.23 94
IV.MNTP.HNZ. 2021-03-26T01:24:52.40 0.1 undecidable manual P 292 31.2465 126 0.16 97
IV.MF5.EHZ. 2021-03-26T01:24:52.22 0.1 undecidable manual P 261 30.2475 127 0.1 98
IV.MNTT.EHZ. 2021-03-26T01:24:50.98 0.1 undecidable manual P 280 19.0698 141 0.11 100
IV.CADA.HNN. 2021-03-26T01:24:50.70 0.1 undecidable manual P 343 18.7701 142 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHE. ML:2.1 0.00062 0.16 AML other m 2021-03-26T01:24:56.70
IV.MNTT.EHN. ML:1.8 0.0002575 1.18 AML other m 2021-03-26T01:24:58.27
IV.GUMA.HHE. ML:1.4 0.0000735 0.64 AML other m 2021-03-26T01:25:00.15
IV.GUMA.HHN. ML:1.3 0.000057499999999999995 0.46 AML other m 2021-03-26T01:25:00.61
IV.TERO.HHE. ML:0.9 0.00001915 1.04 AML other m 2021-03-26T01:25:02.69
IV.TERO.HHN. ML:1.2 0.000034250000000000006 0.34 AML other m 2021-03-26T01:25:02.98
IV.FDMO.HHE. ML:1.0 0.0000177 0.2 AML other m 2021-03-26T01:25:05.34
IV.FDMO.HHN. ML:0.9 0.00001445 0.22 AML other m 2021-03-26T01:25:07.57
IV.MF5.EHE. ML:1.2 0.00004879383500000001 0.3 AML other m 2021-03-26T01:24:57.90
IV.MF5.EHN. ML:1.2 0.0000573630195 0.36 AML other m 2021-03-26T01:24:57.75
IV.CSP1.EHE. ML:1.5 0.00006494946 0.24 AML other m 2021-03-26T01:25:04.18
IV.CSP1.EHN. ML:1.4 0.000048645350000000003 0.24 AML other m 2021-03-26T01:25:03.57
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