Earthquake with magnitude of ML 1.4 on date 22-02-2021 and time 23:21:59 (Italy) in region 5 km NW San Severino Marche (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km NW San Severino Marche (MC), on

  • 22-02-2021 22:21:59 (UTC)
  • 22-02-2021 23:21:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2610, 13.1310 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
San Severino Marche MC 5 12726 12726
Gagliole MC 6 620 13346
Castelraimondo MC 8 4587 17933
Matelica MC 10 9981 27914
Serrapetrona MC 10 966 28880
Poggio San Vicino MC 13 246 29126
Cerreto d'Esi AN 14 3817 32943
Tolentino MC 14 20069 53012
Belforte del Chienti MC 14 1886 54898
Cingoli MC 15 10352 65250
Apiro MC 15 2280 67530
Camerino MC 15 6974 74504
Pioraco MC 15 1134 75638
Esanatoglia MC 15 2034 77672
Caldarola MC 16 1823 79495
Treia MC 16 9403 88898
Pollenza MC 18 6618 95516
Fiuminata MC 18 1402 96918
Camporotondo di Fiastrone MC 18 563 97481
Sefro MC 19 422 97903
Cessapalombo MC 20 512 98415
Staffolo AN 20 2253 100668

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Foligno (57155 inhabitants)
51 Km SW of Ancona (100861 inhabitants)
63 Km E of Perugia (166134 inhabitants)
66 Km S of Fano (60888 inhabitants)
74 Km S of Pesaro (94582 inhabitants)
82 Km NW of Teramo (54892 inhabitants)
87 Km NE of Terni (111501 inhabitants)
100 Km SE of Rimini (147750 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 1.4 2021-02-22
22:21:59
43.261 13.1313 14 2021-02-22
22:32:08
Sala Sismica INGV-Roma 87390521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-22 22:21:59 ± 0.07
Latitude 43.2610 ± 0.0036
Longitude 13.1313 ± 0.0049
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 87390521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 42
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53060
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 87390521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-22 22:32:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-02-22T22:22:24.89 3.0 undecidable manual S -0.28 0
IV.MMO1.EHZ. 2021-02-22T22:22:13.72 0.3 undecidable manual S 158 43.1235 95 0.24 67
IV.ATCC.EHZ. 2021-02-22T22:22:13.47 0.1 undecidable manual S 258 40.626 95 0.67 79
IV.MC2.EHZ. 2021-02-22T22:22:12.69 0.1 undecidable manual S 173 39.0276 96 0.29 89
IV.SSFR.HHZ. 2021-02-22T22:22:11.19 0.1 undecidable manual S 305 34.2435 97 0.08 94
IV.NARO.HHZ. 2021-02-22T22:22:10.20 0.6 undecidable manual P 311 58.8966 93 0.21 44
IV.FOSV.EHZ. 2021-02-22T22:22:10.06 0.1 undecidable manual S 277 30.1476 98 0.04 95
IV.ARVD.HHZ. 2021-02-22T22:22:10.29 0.3 undecidable manual S 330 30.4473 98 0.19 70
IV.PIEI.HHZ. 2021-02-22T22:22:09.74 0.1 undecidable manual P 303 56.8986 93 0.07 91
IV.GUMA.HHZ. 2021-02-22T22:22:09.74 0.1 undecidable manual S 143 27.4503 100 0.41 89
IV.MURB.HHZ. 2021-02-22T22:22:08.51 0.1 undecidable manual P 270 49.0176 94 0.05 92
IV.FDMO.HHZ. 2021-02-22T22:22:08.62 0.3 undecidable manual S 188 25.1526 101 -0.1 72
IV.ATFO.HHZ. 2021-02-22T22:22:08.04 0.1 undecidable manual P 285 46.7199 94 -0.06 92
IV.MPAG.EHZ. 2021-02-22T22:22:08.80 0.1 undecidable manual P 324 50.616 94 0.08 91
IV.NRCA.HHZ. 2021-02-22T22:22:08.10 0.6 undecidable manual P 182 47.4192 94 -0.12 46
IV.FRON.EHZ. 2021-02-22T22:22:07.52 0.1 undecidable manual P 311 43.3233 95 -0.07 93
IV.CSP1.EHZ. 2021-02-22T22:22:07.20 0.1 undecidable manual S 162 19.6692 108 -0.1 96
IV.ATCC.EHZ. 2021-02-22T22:22:07.13 0.1 undecidable manual P 258 40.626 95 -0.04 94
IV.MNTT.EHZ. 2021-02-22T22:22:07.99 0.1 undecidable manual P 120 43.623 95 0.37 87
IV.MF5.EHZ. 2021-02-22T22:22:07.33 0.1 undecidable manual P 139 40.3263 95 0.2 91
IV.ASSB.HHZ. 2021-02-22T22:22:07.76 0.6 positive manual P 238 45.3213 94 -0.13 46
IV.MMO1.EHZ. 2021-02-22T22:22:07.02 0.1 undecidable manual P 158 43.1235 95 -0.54 84
IV.SSFR.HHZ. 2021-02-22T22:22:06.07 0.1 undecidable manual P 305 34.2435 97 -0.12 93
IV.MC2.EHZ. 2021-02-22T22:22:06.70 0.1 undecidable manual P 173 39.0276 96 -0.23 91
IV.GUMA.HHZ. 2021-02-22T22:22:05.08 0.1 undecidable manual P 143 27.4503 100 -0.09 95
IV.ARVD.HHZ. 2021-02-22T22:22:05.41 0.1 undecidable manual P 330 30.4473 98 -0.21 92
IV.FOSV.EHZ. 2021-02-22T22:22:05.40 0.1 undecidable manual P 277 30.1476 98 -0.17 93
IV.CESI.HHZ. 2021-02-22T22:22:05.96 0.1 undecidable manual P 213 33.8439 97 -0.17 93
IV.MDAR.HNZ. 2021-02-22T22:22:04.65 0.1 undecidable manual S 173 7.6812 143 0 100
IV.FDMO.HHZ. 2021-02-22T22:22:04.56 0.1 undecidable manual P 188 25.1526 101 -0.25 93
IV.EL6.EHZ. 2021-02-22T22:22:04.78 0.1 undecidable manual S 342 7.9809 142 0.08 99
IV.CSP1.EHZ. 2021-02-22T22:22:03.74 0.1 undecidable manual P 162 19.6692 108 -0.25 93
IV.MDAR.HNZ. 2021-02-22T22:22:02.35 0.1 undecidable manual P 173 7.6812 143 -0.11 98
IV.EL6.EHZ. 2021-02-22T22:22:02.41 0.1 undecidable manual P 342 7.9809 142 -0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.8 0.0006779999999999999 1.16 AML other m 2021-02-22T22:22:05.16
IV.EL6.EHN. ML:1.8 0.0006835 0.36 AML other m 2021-02-22T22:22:06.40
IV.CSP1.EHE. ML:2.0 0.0007714999999999999 0.64 AML other m 2021-02-22T22:22:07.74
IV.CSP1.EHN. ML:1.8 0.00042699999999999997 0.84 AML other m 2021-02-22T22:22:07.52
IV.FDMO.HHN. ML:1.3 0.00011599999999999999 0.94 AML other m 2021-02-22T22:22:09.49
IV.FDMO.HHE. ML:1.4 0.000146 0.84 AML other m 2021-02-22T22:22:09.92
IV.GUMA.HHE. ML:2.0 0.0005729999999999999 0.9 AML other m 2021-02-22T22:22:10.13
IV.GUMA.HHN. ML:1.9 0.0003815 0.24 AML other m 2021-02-22T22:22:10.13
IV.FOSV.EHE. ML:1.4 0.00011949999999999999 0.24 AML other m 2021-02-22T22:22:10.57
IV.GUMA.HNN. ML:2.0 0.000507 0.98 AML other m 2021-02-22T22:22:10.12
IV.GUMA.HNE. ML:1.7 0.000235 0.3 AML other m 2021-02-22T22:22:10.55
IV.FOSV.EHN. ML:1.3 0.0001 0.36 AML other m 2021-02-22T22:22:11.65
IV.CESI.HHE. ML:1.3 0.00007494999999999999 0.98 AML other m 2021-02-22T22:22:12.11
IV.SSFR.HHE. ML:1.7 0.0001805 0.3 AML other m 2021-02-22T22:22:12.42
IV.SSFR.HHN. ML:1.8 0.00022549999999999998 0.26 AML other m 2021-02-22T22:22:12.28
IV.CESI.HHN. ML:1.4 0.0000906 0.74 AML other m 2021-02-22T22:22:12.27
IV.ARVD.HHE. ML:1.0 0.00003905 1.3 AML other m 2021-02-22T22:22:13.21
IV.ATCC.EHN. ML:1.3 0.0000649 1.5 AML other m 2021-02-22T22:22:14.81
IV.ARVD.HHN. ML:0.9 0.000033799999999999995 0.42 AML other m 2021-02-22T22:22:14.14
IV.ATCC.EHE. ML:1.2 0.0000485 0.78 AML other m 2021-02-22T22:22:14.44
IV.FRON.EHN. ML:1.4 0.00007384999999999999 0.22 AML other m 2021-02-22T22:22:14.83
IV.NRCA.HHE. ML:1.5 0.00008804999999999999 1.14 AML other m 2021-02-22T22:22:15.66
IV.ASSB.HHN. ML:1.1 0.000042300000000000005 1.58 AML other m 2021-02-22T22:22:16.03
IV.ASSB.HHE. ML:1.1 0.0000375 0.24 AML other m 2021-02-22T22:22:16.10
IV.ATFO.HHE. ML:1.3 0.00005065 1.32 AML other m 2021-02-22T22:22:16.24
IV.FRON.EHE. ML:1.1 0.000039699999999999996 0.78 AML other m 2021-02-22T22:22:16.94
IV.NRCA.HHN. ML:1.6 0.00011899999999999999 0.88 AML other m 2021-02-22T22:22:17.23
IV.MURB.HHE. ML:1.7 0.00012365 1.02 AML other m 2021-02-22T22:22:17.75
IV.ATFO.HHN. ML:1.3 0.00004995 0.52 AML other m 2021-02-22T22:22:17.21
IV.MURB.HHN. ML:1.6 0.00011119999999999999 1.74 AML other m 2021-02-22T22:22:17.99
IV.PIEI.HHE. ML:1.3 0.00004155 1.04 AML other m 2021-02-22T22:22:18.46
IV.PIEI.HHN. ML:1.1 0.0000251 1.24 AML other m 2021-02-22T22:22:19.25
IV.TERO.HHE. ML:1.0 0.0000149 0.14 AML other m 2021-02-22T22:22:27.19
IV.TERO.HHN. ML:1.0 0.000017349999999999998 1.34 AML other m 2021-02-22T22:22:28.00
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