Earthquake with magnitude of ML 1.8 on date 26-02-2020 and time 23:00:16 (Italy) in region 2 km NW Gualdo (MC)

A magnitude ML 1.8 earthquake occured in region: 2 km NW Gualdo (MC), on

  • 26-02-2020 22:00:16 (UTC)
  • 26-02-2020 23:00:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.08, 13.33 at 22 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 3498 4313
Sarnano MC 6 3264 7577
Sant'Angelo in Pontano MC 6 1436 9013
Cessapalombo MC 7 512 9525
Ripe San Ginesio MC 8 852 10377
Camporotondo di Fiastrone MC 8 563 10940
Penna San Giovanni MC 8 1108 12048
Colmurano MC 10 1263 13311
Monte San Martino MC 10 765 14076
Caldarola MC 11 1823 15899
Amandola FM 11 3629 19528
Loro Piceno MC 12 2401 21929
Belforte del Chienti MC 12 1886 23815
Falerone FM 12 3337 27152
Smerillo FM 13 365 27517
Bolognola MC 13 142 27659
Montappone FM 13 1682 29341
Servigliano FM 13 2336 31677
Monte Vidon Corrado FM 13 731 32408
Urbisaglia MC 14 2628 35036
Acquacanina MC 14 121 35157
Massa Fermana FM 14 963 36120
Montefalcone Appennino FM 15 424 36544
Tolentino MC 15 20069 56613
Fiastra MC 15 559 57172
Santa Vittoria in Matenano FM 15 1330 58502
Comunanza AP 15 3166 61668
Montefortino FM 15 1178 62846
Serrapetrona MC 16 966 63812
Monteleone di Fermo FM 17 395 64207
Mogliano MC 17 4696 68903
Belmonte Piceno FM 17 646 69549
Montegiorgio FM 18 6851 76400
Montelparo FM 18 778 77178
Monsampietro Morico FM 18 659 77837
Force AP 19 1354 79191
Petriolo MC 19 1998 81189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
62 Km S of Ancona (100861 inhabitants)
77 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)
99 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
Bulletin
Rev1000
ML 1.8 2020-02-26
22:00:16
43.08 13.33 23 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77191501
Reviewed
Rev100
ML 1.9 2020-02-26
22:00:16
43.08 13.32 24 2020-02-26
22:09:14
Sala Sismica INGV-Roma 76850901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-26 22:00:16 ± 0.08
Latitude 43.08 ± 0.00
Longitude 13.33 ± 0.00
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77191501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 76850901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-26 22:09:14

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 77191501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-12 07:24:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-02-26T22:00:35.09 0.6 undecidable manual S 156 0.5 105 0.8 37
IV.ARVD.HHZ. 2020-02-26T22:00:34.46 0.6 undecidable manual S 326 0.5036 105 0.06 46
IV.AOI.HHE. 2020-02-26T22:00:34.92 1.0 undecidable manual S 23 0.5081 105 0.39 22
IV.SMA1.EHZ. 2020-02-26T22:00:33.04 0.6 undecidable manual S 180 0.4506 107 0.15 46
IV.PP3.HNN. 2020-02-26T22:00:31.66 0.6 undecidable manual S 34 0.3588 112 1.33 30
IV.CING.HNZ. 2020-02-26T22:00:29.19 0.6 undecidable manual S 341 0.3103 116 0.19 47
IV.SNTG.HHZ. 2020-02-26T22:00:29.94 0.3 undecidable manual S 302 0.3336 114 0.31 68
IV.CESI.HHZ. 2020-02-26T22:00:29.76 0.6 undecidable manual S 256 0.3211 115 0.48 44
IV.MURB.HHZ. 2020-02-26T22:00:28.96 0.6 undecidable manual P 287 0.6151 102 0.21 44
IV.MTRA.EHZ. 2020-02-26T22:00:28.97 0.6 undecidable manual S 172 0.3283 114 -0.51 43
IV.NRCA.HHZ. 2020-02-26T22:00:28.72 0.3 undecidable manual S 213 0.2941 117 0.15 71
IV.MML1.HNE. 2020-02-26T22:00:28.14 0.3 undecidable manual S 277 0.2644 120 0.34 68
IV.EL6.EHZ. 2020-02-26T22:00:28.90 0.3 undecidable manual S 326 0.2986 117 0.2 70
IV.ATFO.HHZ. 2020-02-26T22:00:28.91 0.6 undecidable manual P 298 0.6223 101 0.04 45
IT.MTCL.HGZ. 2020-02-26T22:00:27.88 0.6 undecidable manual S 250 0.2572 121 0.26 46
IV.FEMA.HNE. 2020-02-26T22:00:27.82 0.6 undecidable manual S 240 0.2374 124 0.69 41
IV.TERO.HHZ. 2020-02-26T22:00:26.67 0.1 undecidable manual P 156 0.5 105 -0.16 90
IV.AOI.HHE. 2020-02-26T22:00:26.63 1.0 undecidable manual P 23 0.5081 105 -0.33 22
IV.MC2.EHZ. 2020-02-26T22:00:26.63 0.3 undecidable manual S 212 0.1988 129 0.43 68
IV.ARVD.HHZ. 2020-02-26T22:00:26.90 0.6 undecidable manual P 326 0.5036 105 0.01 47
IV.MNTT.EHZ. 2020-02-26T22:00:26.81 0.3 undecidable manual S 96 0.1943 130 0.72 61
IV.FDMO.HHZ. 2020-02-26T22:00:25.88 0.3 undecidable manual S 256 0.1835 132 0.02 74
IV.SSM1.HNE. 2020-02-26T22:00:25.93 0.6 undecidable manual S 323 0.1853 132 0.03 49
IV.SMA1.EHZ. 2020-02-26T22:00:25.63 0.1 undecidable manual P 180 0.4506 107 -0.38 87
IV.MF5.EHZ. 2020-02-26T22:00:25.04 0.3 undecidable manual S 135 0.1322 142 0.21 72
IV.MDAR.HNN. 2020-02-26T22:00:25.56 0.6 undecidable manual S 309 0.1772 133 -0.15 48
IV.MMO1.EHZ. 2020-02-26T22:00:25.83 0.3 undecidable manual S 181 0.1817 132 0.01 74
IV.CSP1.EHZ. 2020-02-26T22:00:24.09 0.3 undecidable manual S 277 0.0926 152 -0.09 74
IV.SNTG.HHZ. 2020-02-26T22:00:24.05 0.1 negative manual P 302 0.3336 114 -0.08 94
IV.CESI.HHZ. 2020-02-26T22:00:24.08 0.1 undecidable manual P 256 0.3211 115 0.15 94
IV.PP3.HNN. 2020-02-26T22:00:24.65 0.6 undecidable manual P 34 0.3588 112 0.12 47
IV.NRCA.HHZ. 2020-02-26T22:00:23.44 0.1 positive manual P 213 0.2941 117 -0.08 95
IV.CING.HNZ. 2020-02-26T22:00:23.60 0.1 undecidable manual P 341 0.3103 116 -0.17 93
IV.EL6.EHZ. 2020-02-26T22:00:23.48 0.1 undecidable manual P 326 0.2986 117 -0.12 94
IT.MTCL.HGZ. 2020-02-26T22:00:23.11 0.3 undecidable manual P 250 0.2572 121 0.13 71
IV.PF6.EHZ. 2020-02-26T22:00:23.92 0.3 undecidable manual S 300 0.1151 147 -0.6 65
IV.GUMA.HHZ. 2020-02-26T22:00:23.47 0.3 undecidable manual S 171 0.0189 174 -0.08 75
IV.MTRA.EHZ. 2020-02-26T22:00:23.75 0.3 undecidable manual P 172 0.3283 114 -0.29 68
IV.SAP2.EHZ. 2020-02-26T22:00:23.49 0.3 undecidable manual S 73 0.0522 164 -0.24 72
IV.MML1.HNE. 2020-02-26T22:00:23.05 0.1 negative manual P 277 0.2644 120 -0.03 97
IV.MNTT.EHZ. 2020-02-26T22:00:22.24 0.1 undecidable manual P 96 0.1943 130 0.15 96
IV.MC2.EHZ. 2020-02-26T22:00:22.18 0.1 positive manual P 212 0.1988 129 0.02 98
IV.FEMA.HNE. 2020-02-26T22:00:22.92 0.6 undecidable manual P 240 0.2374 124 0.23 47
IV.MF5.EHZ. 2020-02-26T22:00:21.35 0.1 undecidable manual P 135 0.1322 142 -0.01 100
IV.MDAR.HNN. 2020-02-26T22:00:21.69 0.3 undecidable manual P 309 0.1772 133 -0.18 72
IV.MMO1.EHZ. 2020-02-26T22:00:21.68 0.1 positive manual P 181 0.1817 132 -0.25 94
IV.MNTP.HNZ. 2020-02-26T22:00:21.01 0.1 undecidable manual P 61 0.1151 146 -0.18 97
IV.FDMO.HHZ. 2020-02-26T22:00:21.81 0.1 undecidable manual P 256 0.1835 132 -0.14 96
IV.SSM1.HNE. 2020-02-26T22:00:21.83 0.1 undecidable manual P 323 0.1853 132 -0.15 96
IV.SAP2.EHZ. 2020-02-26T22:00:20.61 0.3 undecidable manual P 73 0.0522 164 -0.12 74
IV.CSP1.EHZ. 2020-02-26T22:00:20.82 0.1 negative manual P 277 0.0926 152 -0.17 97
IV.PF6.EHZ. 2020-02-26T22:00:20.88 0.1 undecidable manual P 300 0.1151 147 -0.3 94
IV.GUMA.HHZ. 2020-02-26T22:00:20.44 0.1 positive manual P 171 0.0189 174 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHN. ML:2.3 0.001575 1.1 AML other m 2020-02-26T22:00:23.26
IV.CSP1.EHN. ML:1.9 0.0005215 0.4 AML other m 2020-02-26T22:00:24.34
IV.CSP1.EHE. ML:2.1 0.0009245 0.28 AML other m 2020-02-26T22:00:24.40
IV.SAP2.EHE. ML:1.6 0.0002945 0.56 AML other m 2020-02-26T22:00:24.49
IV.FDMO.HHE. ML:1.9 0.0004245 1.64 AML other m 2020-02-26T22:00:26.08
IV.FDMO.HHN. ML:1.9 0.0004415 0.12 AML other m 2020-02-26T22:00:26.15
IV.NRCA.HHE. ML:2 0.0003645 0.84 AML other m 2020-02-26T22:00:28.56
IV.EL6.EHE. ML:2 0.000366 0.94 AML other m 2020-02-26T22:00:29.45
IV.EL6.EHN. ML:2 0.0003165 0.16 AML other m 2020-02-26T22:00:29.81
IV.NRCA.HHN. ML:1.9 0.0002935 1.2 AML other m 2020-02-26T22:00:29.74
IV.SNTG.HHE. ML:1.6 0.00011933985 0.128 AML other m 2020-02-26T22:00:30.30
IV.SNTG.HHN. ML:1.7 0.0001559904 0.128 AML other m 2020-02-26T22:00:30.27
IV.CESI.HHE. ML:1.4 8.2145615E-5 0.1664 AML other m 2020-02-26T22:00:30.68
IV.CESI.HHN. ML:1.6 0.00014544428 0.2048 AML other m 2020-02-26T22:00:30.91
IV.TERO.HHN. ML:1.4 5.365E-5 0.18 AML other m 2020-02-26T22:00:35.82
IV.TERO.HHE. ML:1.5 6.32E-5 1.04 AML other m 2020-02-26T22:00:36.02
IV.MURB.HHE. ML:2 0.000153 0.44 AML other m 2020-02-26T22:00:40.90
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