Earthquake with magnitude of ML 1.4 on date 02-02-2021 and time 10:20:53 (Italy) in region 2 km NW Gualdo (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Gualdo (MC), on

  • 02-02-2021 09:20:53 (UTC)
  • 02-02-2021 10:20:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0780, 13.3240 at 22 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
Gualdo MC 2 815 815
San Ginesio MC 4 3498 4313
Sarnano MC 5 3264 7577
Sant'Angelo in Pontano MC 6 1436 9013
Cessapalombo MC 6 512 9525
Camporotondo di Fiastrone MC 8 563 10088
Ripe San Ginesio MC 8 852 10940
Penna San Giovanni MC 9 1108 12048
Colmurano MC 10 1263 13311
Caldarola MC 11 1823 15134
Monte San Martino MC 11 765 15899
Amandola FM 11 3629 19528
Belforte del Chienti MC 12 1886 21414
Bolognola MC 12 142 21556
Loro Piceno MC 13 2401 23957
Falerone FM 13 3337 27294
Smerillo FM 13 365 27659
Acquacanina MC 13 121 27780
Montappone FM 14 1682 29462
Servigliano FM 14 2336 31798
Monte Vidon Corrado FM 14 731 32529
Urbisaglia MC 14 2628 35157
Fiastra MC 14 559 35716
Massa Fermana FM 15 963 36679
Montefalcone Appennino FM 15 424 37103
Montefortino FM 15 1178 38281
Tolentino MC 15 20069 58350
Comunanza AP 15 3166 61516
Santa Vittoria in Matenano FM 15 1330 62846
Serrapetrona MC 16 966 63812
Monteleone di Fermo FM 17 395 64207
Mogliano MC 18 4696 68903
Belmonte Piceno FM 18 646 69549
Montelparo FM 18 778 70327
Montegiorgio FM 18 6851 77178
Force AP 19 1354 78532
Monsampietro Morico FM 19 659 79191
Pievebovigliana MC 20 866 80057
Fiordimonte MC 20 202 80259
Montemonaco AP 20 604 80863
Petriolo MC 20 1998 82861

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
62 Km S of Ancona (100861 inhabitants)
76 Km E of Perugia (166134 inhabitants)
80 Km NE of Terni (111501 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km SE of Pesaro (94582 inhabitants)
100 Km NW of Pescara (121014 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 2021-02-02
09:20:53
43.0777 13.3243 22 2021-02-02
09:29:42
Sala Sismica INGV-Roma 86783791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-02 09:20:53 ± 0.21
Latitude 43.0777 ± 0.0081
Longitude 13.3243 ± 0.0086
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86783791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 755
Semi-minor axis of confidence ellipse (meter) 631
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86783791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-02 09:29:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-02-02T09:21:12.10 0.6 undecidable manual S 156 55.4001 105 0.83 37
IV.TERO.HHZ. 2021-02-02T09:21:03.70 0.3 undecidable manual P 156 55.4001 105 -0.13 68
IV.FDMO.HHZ. 2021-02-02T09:21:02.85 0.3 undecidable manual S 257 19.7691 133 0.13 73
IV.MMO1.EHZ. 2021-02-02T09:21:02.51 0.3 undecidable manual S 179 19.7691 132 -0.22 70
IV.MF5.EHZ. 2021-02-02T09:21:01.88 0.3 undecidable manual S 132 14.874 142 0.05 74
IV.EL6.EHZ. 2021-02-02T09:21:01.28 1.0 negative manual P 327 33.2445 116 0.67 20
IV.CSP1.EHZ. 2021-02-02T09:21:01.19 0.3 undecidable manual S 279 9.7791 153 0.1 74
IV.SAP2.EHZ. 2021-02-02T09:21:00.61 0.3 undecidable manual S 71 6.3936 162 -0.14 74
IV.NRCA.HHZ. 2021-02-02T09:21:00.44 0.1 positive manual P 212 32.0457 117 -0.01 96
IV.GUMA.HNE. 2021-02-02T09:21:00.56 0.3 undecidable manual S 152 1.8981 175 0.06 76
IV.MMO1.EHZ. 2021-02-02T09:20:58.67 0.1 undecidable manual P 179 19.7691 132 -0.22 94
IV.FDMO.HHZ. 2021-02-02T09:20:58.94 0.1 positive manual P 257 19.7691 133 0.05 98
IV.MF5.EHZ. 2021-02-02T09:20:58.35 0.1 undecidable manual P 132 14.874 142 -0.02 99
IV.GUMA.HNE. 2021-02-02T09:20:57.51 0.1 undecidable manual P 152 1.8981 175 -0.1 100
IV.SAP2.EHZ. 2021-02-02T09:20:57.70 0.6 undecidable manual P 71 6.3936 162 -0.05 50
IV.CSP1.EHZ. 2021-02-02T09:20:57.88 1.0 undecidable manual P 279 9.7791 153 -0.07 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHN. ML:2.0 0.0006970411999999999 0.2816 AML other m 2021-02-02T09:21:03.05
IV.SAP2.EHE. ML:1.5 0.00023318791 0.16 AML other m 2021-02-02T09:21:01.32
IV.FDMO.HHE. ML:1.6 0.0001855 0.2 AML other m 2021-02-02T09:21:03.13
IV.FDMO.HHN. ML:1.2 0.00008335 0.18 AML other m 2021-02-02T09:21:03.09
IV.NRCA.HHN. ML:1.7 0.0001975767 0.1408 AML other m 2021-02-02T09:21:06.15
IV.NRCA.HHE. ML:1.7 0.000182 1.08 AML other m 2021-02-02T09:21:06.37
IV.CSP1.EHE. ML:1.6 0.00024042580000000003 0.16 AML other m 2021-02-02T09:21:01.42
IV.CSP1.EHN. ML:1.4 0.0001851953 0.1792 AML other m 2021-02-02T09:21:01.51
IV.MF5.EHE. ML:1.1 0.00007137771999999999 0.1408 AML other m 2021-02-02T09:21:01.95
IV.MF5.EHN. ML:1.2 0.00008362907 0.1408 AML other m 2021-02-02T09:21:01.97
IV.NRCA.HNE. ML:1.7 0.00017184800999999999 0.1024 AML other m 2021-02-02T09:21:06.37
IV.NRCA.HNN. ML:1.7 0.00018814195 0.16 AML other m 2021-02-02T09:21:05.83
IV.EL6.EHE. ML:0.9 0.00002880284 0.1792 AML other m 2021-02-02T09:21:06.62
IV.EL6.EHN. ML:1.0 0.000034484587 0.3392 AML other m 2021-02-02T09:21:11.03
IV.TERO.HHE. ML:0.8 0.00001688563 0.096 AML other m 2021-02-02T09:21:13.24
IV.TERO.HHN. ML:1.0 0.000018166825 0.096 AML other m 2021-02-02T09:21:13.24
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