Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-02-2020 and time 00:33:50 (Italy) in region 5 km SW Penna San Giovanni (MC)

A magnitude ML 1.1 earthquake occured in region: 5 km SW Penna San Giovanni (MC), on

  • 25-02-2020 23:33:50 (UTC)
  • 26-02-2020 00:33:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.3760 at 23 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
Penna San Giovanni MC 5 1108 1108
Gualdo MC 5 815 1923
Monte San Martino MC 5 765 2688
Amandola FM 6 3629 6317
Sarnano MC 6 3264 9581
Smerillo FM 6 365 9946
Sant'Angelo in Pontano MC 8 1436 11382
Montefalcone Appennino FM 8 424 11806
Comunanza AP 9 3166 14972
San Ginesio MC 10 3498 18470
Santa Vittoria in Matenano FM 10 1330 19800
Montefortino FM 10 1178 20978
Servigliano FM 11 2336 23314
Falerone FM 12 3337 26651
Force AP 12 1354 28005
Ripe San Ginesio MC 13 852 28857
Monteleone di Fermo FM 13 395 29252
Bolognola MC 13 142 29394
Cessapalombo MC 13 512 29906
Montelparo FM 13 778 30684
Monte Vidon Corrado FM 14 731 31415
Montappone FM 14 1682 33097
Camporotondo di Fiastrone MC 14 563 33660
Belmonte Piceno FM 15 646 34306
Colmurano MC 15 1263 35569
Montemonaco AP 15 604 36173
Monsampietro Morico FM 15 659 36832
Loro Piceno MC 16 2401 39233
Massa Fermana FM 16 963 40196
Palmiano AP 16 196 40392
Acquacanina MC 16 121 40513
Monte Rinaldo FM 17 379 40892
Caldarola MC 17 1823 42715
Rotella AP 17 906 43621
Montegiorgio FM 17 6851 50472
Montottone FM 17 979 51451
Fiastra MC 18 559 52010
Montedinove AP 18 488 52498
Urbisaglia MC 19 2628 55126
Belforte del Chienti MC 19 1886 57012
Ortezzano FM 19 774 57786
Venarotta AP 19 2066 59852
Montalto delle Marche AP 19 2122 61974
Mogliano MC 19 4696 66670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Teramo (54892 inhabitants)
55 Km E of Foligno (57155 inhabitants)
66 Km S of Ancona (100861 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
79 Km NE of Terni (111501 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
95 Km SE of Fano (60888 inhabitants)
99 Km NW of Chieti (51815 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 1.1 2020-02-25
23:33:50		 43.0308 13.3762 23 2020-02-25
23:43:49		 Sala Sismica INGV-Roma 76812141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 23:33:50 ± 0.22
Latitude 43.0308 ± 0.0072
Longitude 13.3762 ± 0.0086
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76812141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 909
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 144
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.27519
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:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 76812141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 23:43:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-02-25T23:34:02.67 0.3 undecidable manual S 224 30.5472 120 0.22 70
IV.MC2.EHZ. 2020-02-25T23:34:00.45 0.3 undecidable manual S 229 20.1687 133 0.24 71
IV.FDMO.HHZ. 2020-02-25T23:34:00.99 0.3 undecidable manual S 272 23.4543 128 0.12 72
IV.MNTT.EHZ. 2020-02-25T23:34:00.54 0.6 undecidable manual S 79 18.1707 136 0.72 43
IV.MMO1.EHZ. 2020-02-25T23:33:59.01 0.3 undecidable manual S 195 15.1737 142 -0.29 71
IV.CSP1.EHZ. 2020-02-25T23:33:59.18 0.6 undecidable manual S 296 15.4734 141 -0.17 49
IV.MNTP.HNZ. 2020-02-25T23:33:59.27 0.3 undecidable manual S 33 13.9749 144 0.15 74
IV.MF5.EHZ. 2020-02-25T23:33:58.23 0.3 undecidable manual S 125 8.2806 157 -0.15 74
IV.NRCA.HHZ. 2020-02-25T23:33:57.68 0.3 undecidable manual P 224 30.5472 120 0.09 73
IV.MNTT.EHZ. 2020-02-25T23:33:56.35 0.6 undecidable manual P 79 18.1707 136 0.27 48
IV.MC2.EHZ. 2020-02-25T23:33:56.40 0.3 undecidable manual P 229 20.1687 133 0.1 74
IV.FDMO.HHZ. 2020-02-25T23:33:56.60 0.3 negative manual P 272 23.4543 128 -0.08 74
IV.CSP1.EHZ. 2020-02-25T23:33:55.65 0.3 negative manual P 296 15.4734 141 -0.16 74
IV.MNTP.HNZ. 2020-02-25T23:33:55.50 0.3 undecidable manual P 33 13.9749 144 -0.17 73
IV.MF5.EHZ. 2020-02-25T23:33:55.16 0.1 undecidable manual P 125 8.2806 157 -0.09 100
IV.MMO1.EHZ. 2020-02-25T23:33:55.58 0.3 positive manual P 195 15.1737 142 -0.2 73
IV.GUMA.HNZ. 2020-02-25T23:33:54.84 0.3 undecidable manual P 317 4.8951 166 -0.23 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.0 0.000059159275000000006 0.1536 AML other m 2020-02-25T23:33:59.30
IV.CSP1.EHN. ML:1.0 0.00006131268 0.064 AML other m 2020-02-25T23:33:59.30
IV.FDMO.HHE. ML:0.8 0.00003024408 0.1536 AML other m 2020-02-25T23:34:01.73
IV.FDMO.HHN. ML:1.0 0.000045750655 0.2048 AML other m 2020-02-25T23:34:01.13
IV.NRCA.HHE. ML:1.4 0.000100771685 0.1792 AML other m 2020-02-25T23:34:03.04
IV.NRCA.HHN. ML:1.5 0.0001288353 0.1152 AML other m 2020-02-25T23:34:03.53
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