Strong mag. 6.0 earthquake - 44km W of Sardinal, Costa Rica on Thursday, 5 September 2013
Strong mag. 6.0 earthquake - 50km W of Sardinal, Costa Rica on Thursday, 5 September 2013

Local time at epicenter: Thursday, September 05, 2013 06:29:15
Magnitude: 6.0
Depth: 18.0 km
Epicenter latitude / longitude: 10.5857°N / 86.1065°W

Nearest volcano: Orosí (77 km)
Primary data source: USGS
Estimated released energy: 6.3*10^13 J (17.5 GWh / 15080 tons of TNT / 0.9 atomic bombs equivalent) [learn more]
Data for same earthquake as reported from other agencies
Heure | Mag. / Depth | Location | Source | |
Thu, 5 Sep 2013 | ||||
Thu, 5 Sep 12:29 UTC | M 5.9 / 48 km | OFF COAST OF COSTA RICA | EMSC | |
Thu, 5 Sep 12:29 UTC | M 5.8 / 24 km | Costa Rica | GFZ | |
Thu, 5 Sep 12:29 UTC | M 5.9 / 15 km | Nicaragua | INETER | |
Thu, 5 Sep 12:29 UTC | M 6.0 / 18 km | W of Sardinal, Costa Rica | GeoAu |
"I felt it" reports:
San Jose, Tryp Hotel / MMI VII (Very strong shaking)
Playa Hermosa Guanacaste Costa Rica (46.8 km E from epicenter) [Map] / MMI VII (Very strong shaking): Awakened to swaying of building and swaying continued until we got outside.
Surfside Potrero / MMI IV (Light shaking)
Playas del Coco / MMI IV (Light shaking)
Tamarindo Costa Rica (43.2 km SE from epicenter) [Map] / MMI IV (Light shaking)
Tambor (151.9 km SE from epicenter) [Map] / MMI V (Moderate shaking)
riu palace / MMI V (Moderate shaking)
Tilaran-Lake Arenal / MMI III (Weak shaking): Just having a cup of coffee and my chair wobbled back and forth about 4 times.The dog took off and jumped on the bed.
Playa Hermosa (Costa Rica) (42 km E from epicenter)(no details): Been through 2 big ones in California and one here in Costa Rica. We are near the beach in a ground floor condo unit that is 3 stories. Woke up thinking I was on a boat and hit rough water. (via EMSC)