Forzone – Minucciano , Massa/Lucca/Carrara, Italy 21/06/2013, 5.2ML and aftershocks

An earthquake of magnitude (ML) 5.2 occurred at 10:33:57 UTC July 21st, 2013 at a depth of 5.1 km. The earthquake was located by the National Seismic Network at less than 1km SE of Forzone, between the provinces of Lucca and Massa in the Apuan Alps. The towns closest to the epicenter are Minucciano (Lucca), Casola in Lunigiana (Massa), Fosdinovo (Massa).
The quake was felt across northern Italy from Bologna to Florence, the civil protection agency said, adding that no life-threatening injuries had been reported.
Three people were lightly injured by falling masonry during the quake, while one person suffered a heart attack and was hospitalized.
Damage to houses was limited to Tuscany and Emilia Romagna, while a historic bell tower in the small town of Regnano suffered a partial collapse.
In the 7 day period since the moderate sized quake there have been 1177 aftershocks, mostly in the magnitude 1-2 range.
Of the larger aftershocks there were 2 magnitude 4.0 quakes within the first 4 hours, one 1:38hrs after the main shock at 21/06/2013 12:12:39 located 1.25km NW of the main shock and 1.5km W of Forzone , and a second 3:49hrs after the main shock at 21/06/2013 14:23:22 located less than 1km NE of the mainshock.
The largest aftershock within the following 7 days was a magnitude 4.4 located less than 1km north of Minucciano at 52:27hrs (2 days) after the main shock.
The maps below show the sequence of aftershocks up to 7 days afterwards.

The data below is located with the stations of the INGV National Seismic Network Date/Time (UTC): 21/06/2013 10:33:57 Main shock Lat: 44.153°N Long: 10.135°E Magnitude: 5.2 ML Depth: 5.1 km Location: Via Vittorio Veneto Collecchia, 69, 54013 Monzone Province of Massa and Carrara, Italy Catalog Source: SISBAS-Istituto Nazionale di Geofisica e VulcanologiaOther Networks estimates of the event Network, Mag, When, Lat, Long, Depth GEOFON= 5.3Mw, 21/06/2013 10:33:57.0, 44.19, 10.11, 10 USGS= 5.1mb, 5.2Mw, 21/06/2013 10:33:59.0, 44.222, 10.113, 10.3 RASGS= 5.5mb, 21/06/2013 10:33:57.5, 44.24, 10.14, 10 EMSC= 5.3Mw, 21/06/2013 10:33:59.0, 44.19, 10.15, 10 LDEO= 5.6Ms, 21/06/2013 10:34:00.0, 44.25, 10.25, 33 GCMT= 5.4Mw,5.1Ms, 21/06/2013 10:34:01.3, 44.1, 10.05, 12 .

GCMT MTS

32 Aftershocks at 2 hours summary mag<1= 0 , mag1= 5 , mag2= 19 mag3= 7 , mag4= 1 , mag5= 1 total= 33 total energy released= 986.063 TTNT main shock energy released= 951.50 TTNT total aftershocks energy released= 34.564 TTNT

VLC:Villacollemandina, Italy Webicorder MEDNET Project station 20.36 km from the INGV epicenter location click image for full size version, opens in new tab/window

The search area used to compile the data on this page is a rectangle = 44.376713, 9.94, 44.376713, 10.56, 43.960037, 10.56, 43.960037, 9.94, 44.376713, 9.94

more aftershocks

138 aftershocks 2-12hrs summary mag<1= 4 , mag1= 85 , mag2= 44 mag3= 4 , mag4= 1 , mag5= 0 total= 138 total energy released= 23.553 TTNT

171 cumulative 0-12hrs summary mag<1= 4 , mag1= 90 , mag2= 63 mag3= 11 , mag4= 1 , mag5= 1 total energy released= 1009.616 TTNT

12 hour updates

133 aftershocks 12-24hrs summary mag<1= 7 , mag1= 104 , mag2= 21 mag3= 1 , mag4= 0 , mag5= 0 total= 133 total energy released= 2.943 TTNT	304 cumulative 0-24hrs (1 day) summary mag<1= 11 , mag1= 194 , mag2= 84 mag3= 12 , mag4= 2 , mag5= 1 total energy released= 1012.559 TTNT
111 aftershocks 24-36hrs summary mag<1= 19 , mag1= 82 , mag2= 10 mag3= 0 , mag4= 0 , mag5= 0 total= 111 total energy released= 0.702 TTNT	415 cumulative 0-36hrs summary mag<1= 30 , mag1= 276 , mag2= 94 mag3= 12 , mag4= 2 , mag5= 1 total energy released= 1013.261 TTNT
99 aftershocks 36-48hrs (2nd day) summary mag<1= 15 , mag1= 79 , mag2= 5 mag3= 0 , mag4= 0 , mag5= 0 total= 99 total energy released= 0.314800 TTNT	514 cumulative 0-48hrs (2 days) summary mag<1= 45 , mag1= 355 , mag2= 99 mag3= 12 , mag4= 2 , mag5= 1 total energy released= 1013.576 TTNT

191 aftershocks 48-60hrs summary mag<1= 28 , mag1= 143 , mag2= 18 mag3= 1 , mag4= 1 , mag5= 0 total= 191 total energy released= 69.453 TTNT	705 cumulative 0-60hrs summary mag<1= 73 , mag1= 498 , mag2= 117 mag3= 13 , mag4= 3 , mag5= 1, total energy released= 1083.028 TTNT
95 aftershocks 60-72hrs (3rd day) summary mag<1= 11 , mag1= 79 , mag2= 4 mag3= 1 , mag4= 0 , mag5= 0 total= 95 total energy released= 0.991 TTNT	800 cumulative 0-72hrs (3 days) summary mag<1= 84 , mag1= 577 , mag2= 121 mag3= 14 , mag4= 3 , mag5= 1, total energy released= 1084.020 TTNT

.

24 hour updates

101 aftershocks 72-96hrs (4th day) summary mag<1= 20 , mag1= 79 , mag2= 2 mag3= 0 , mag4= 0 , mag5= 0 total= 101 total energy released= 0.294 TTNT	901 cumulative 0-96hrs (4 days) summary mag<1= 104 , mag1= 656 , mag2= 123 mag3= 14 , mag4= 3 , mag5= 1, total energy released= 1084.314 TTNT
121 aftershocks 96-120hrs (5th day) summary mag<1= 17 , mag1= 95 , mag2= 9 mag3= 0 , mag4= 0 , mag5= 0 total= 121 total energy released= 0.646 TTNT	1022 cumulative 0-120hrs (5 days) summary mag<1= 121 , mag1= 751 , mag2= 132 mag3= 14 , mag4= 3 , mag5= 1, total energy released= 1084.960 TTNT
104 aftershocks 120-144hrs (6th day) summary mag<1= 29 , mag1= 69 , mag2= 6 mag3= 0 , mag4= 0 , mag5= 0 total= 104 total energy released= 0.515 TTNT	1126 cumulative 0-144hrs (6 days) summary mag<1= 150 , mag1= 820 , mag2= 138 mag3= 14 , mag4= 3 , mag5= 1, total energy released= 1085.475 TTNT
84 aftershocks 144-168hrs (7th day) summary mag<1= 11 , mag1= 41 , mag2= 1 mag3= 0 , mag4= 0 , mag5= 0 total= 53 total energy released= 0.092 TTNT	1178 cumulative 0-168hrs (7 days) summary mag<1= 161 , mag1= 860 , mag2= 139 mag3= 14 , mag4= 3 , mag5= 1, total energy released= 1085.566 TTNT

Timeline Graphs

click on each image for larger version, opens in new tab/window

Aftershock graph 72 hrs (3 days)

Aftershock graph 168 hrs (7 days)